Ejemplo n.º 1
0
Archivo: notes.c Proyecto: AresDice/git
static void create_note(const unsigned char *object, struct msg_arg *msg,
			int append_only, const unsigned char *prev,
			unsigned char *result)
{
	char *path = NULL;

	if (msg->use_editor || !msg->given) {
		int fd;
		struct strbuf buf = STRBUF_INIT;

		/* write the template message before editing: */
		path = git_pathdup("NOTES_EDITMSG");
		fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
		if (fd < 0)
			die_errno(_("could not create file '%s'"), path);

		if (msg->given)
			write_or_die(fd, msg->buf.buf, msg->buf.len);
		else if (prev && !append_only)
			write_note_data(fd, prev);

		strbuf_addch(&buf, '\n');
		strbuf_add_commented_lines(&buf, note_template, strlen(note_template));
		strbuf_addch(&buf, '\n');
		write_or_die(fd, buf.buf, buf.len);

		write_commented_object(fd, object);

		close(fd);
		strbuf_release(&buf);
		strbuf_reset(&(msg->buf));

		if (launch_editor(path, &(msg->buf), NULL)) {
			die(_("Please supply the note contents using either -m" \
			    " or -F option"));
		}
		stripspace(&(msg->buf), 1);
	}

	if (prev && append_only) {
		/* Append buf to previous note contents */
		unsigned long size;
		enum object_type type;
		char *prev_buf = read_sha1_file(prev, &type, &size);

		strbuf_grow(&(msg->buf), size + 1);
		if (msg->buf.len && prev_buf && size)
			strbuf_insert(&(msg->buf), 0, "\n", 1);
		if (prev_buf && size)
			strbuf_insert(&(msg->buf), 0, prev_buf, size);
		free(prev_buf);
	}

	if (!msg->buf.len) {
		fprintf(stderr, _("Removing note for object %s\n"),
			sha1_to_hex(object));
		hashclr(result);
	} else {
		if (write_sha1_file(msg->buf.buf, msg->buf.len, blob_type, result)) {
			error(_("unable to write note object"));
			if (path)
				error(_("The note contents has been left in %s"),
				      path);
			exit(128);
		}
	}

	if (path) {
		unlink_or_warn(path);
		free(path);
	}
}
Ejemplo n.º 2
0
Archivo: log.c Proyecto: CCorreia/git
int cmd_show(int argc, const char **argv, const char *prefix)
{
	struct rev_info rev;
	struct object_array_entry *objects;
	struct setup_revision_opt opt;
	struct pathspec match_all;
	int i, count, ret = 0;

	git_config(git_log_config, NULL);

	init_pathspec(&match_all, NULL);
	init_revisions(&rev, prefix);
	rev.diff = 1;
	rev.always_show_header = 1;
	rev.no_walk = 1;
	rev.diffopt.stat_width = -1; 	/* Scale to real terminal size */

	memset(&opt, 0, sizeof(opt));
	opt.def = "HEAD";
	opt.tweak = show_rev_tweak_rev;
	cmd_log_init(argc, argv, prefix, &rev, &opt);

	count = rev.pending.nr;
	objects = rev.pending.objects;
	for (i = 0; i < count && !ret; i++) {
		struct object *o = objects[i].item;
		const char *name = objects[i].name;
		switch (o->type) {
		case OBJ_BLOB:
			ret = show_blob_object(o->sha1, NULL);
			break;
		case OBJ_TAG: {
			struct tag *t = (struct tag *)o;

			if (rev.shown_one)
				putchar('\n');
			printf("%stag %s%s\n",
					diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
					t->tag,
					diff_get_color_opt(&rev.diffopt, DIFF_RESET));
			ret = show_tag_object(o->sha1, &rev);
			rev.shown_one = 1;
			if (ret)
				break;
			o = parse_object(t->tagged->sha1);
			if (!o)
				ret = error(_("Could not read object %s"),
					    sha1_to_hex(t->tagged->sha1));
			objects[i].item = o;
			i--;
			break;
		}
		case OBJ_TREE:
			if (rev.shown_one)
				putchar('\n');
			printf("%stree %s%s\n\n",
					diff_get_color_opt(&rev.diffopt, DIFF_COMMIT),
					name,
					diff_get_color_opt(&rev.diffopt, DIFF_RESET));
			read_tree_recursive((struct tree *)o, "", 0, 0, &match_all,
					show_tree_object, NULL);
			rev.shown_one = 1;
			break;
		case OBJ_COMMIT:
			rev.pending.nr = rev.pending.alloc = 0;
			rev.pending.objects = NULL;
			add_object_array(o, name, &rev.pending);
			ret = cmd_log_walk(&rev);
			break;
		default:
			ret = error(_("Unknown type: %d"), o->type);
		}
	}
	free(objects);
	return ret;
}
Ejemplo n.º 3
0
static int find_common(int fd[2], unsigned char *result_sha1,
		       struct ref *refs)
{
	int fetching;
	int count = 0, flushes = 0, retval;
	const unsigned char *sha1;
	unsigned in_vain = 0;
	int got_continue = 0;

	if (marked)
		for_each_ref(clear_marks, NULL);
	marked = 1;

	for_each_ref(rev_list_insert_ref, NULL);

	fetching = 0;
	for ( ; refs ; refs = refs->next) {
		unsigned char *remote = refs->old_sha1;
		struct object *o;

		/*
		 * If that object is complete (i.e. it is an ancestor of a
		 * local ref), we tell them we have it but do not have to
		 * tell them about its ancestors, which they already know
		 * about.
		 *
		 * We use lookup_object here because we are only
		 * interested in the case we *know* the object is
		 * reachable and we have already scanned it.
		 */
		if (((o = lookup_object(remote)) != NULL) &&
				(o->flags & COMPLETE)) {
			continue;
		}

		if (!fetching)
			packet_write(fd[1], "want %s%s%s%s%s%s%s%s\n",
				     sha1_to_hex(remote),
				     (multi_ack ? " multi_ack" : ""),
				     (use_sideband == 2 ? " side-band-64k" : ""),
				     (use_sideband == 1 ? " side-band" : ""),
				     (args.use_thin_pack ? " thin-pack" : ""),
				     (args.no_progress ? " no-progress" : ""),
				     (args.include_tag ? " include-tag" : ""),
				     (prefer_ofs_delta ? " ofs-delta" : ""));
		else
			packet_write(fd[1], "want %s\n", sha1_to_hex(remote));
		fetching++;
	}
	if (is_repository_shallow())
		write_shallow_commits(fd[1], 1);
	if (args.depth > 0)
		packet_write(fd[1], "deepen %d", args.depth);
	packet_flush(fd[1]);
	if (!fetching)
		return 1;

	if (args.depth > 0) {
		char line[1024];
		unsigned char sha1[20];

		while (packet_read_line(fd[0], line, sizeof(line))) {
			if (!prefixcmp(line, "shallow ")) {
				if (get_sha1_hex(line + 8, sha1))
					die("invalid shallow line: %s", line);
				register_shallow(sha1);
				continue;
			}
			if (!prefixcmp(line, "unshallow ")) {
				if (get_sha1_hex(line + 10, sha1))
					die("invalid unshallow line: %s", line);
				if (!lookup_object(sha1))
					die("object not found: %s", line);
				/* make sure that it is parsed as shallow */
				if (!parse_object(sha1))
					die("error in object: %s", line);
				if (unregister_shallow(sha1))
					die("no shallow found: %s", line);
				continue;
			}
			die("expected shallow/unshallow, got %s", line);
		}
	}

	flushes = 0;
	retval = -1;
	while ((sha1 = get_rev())) {
		packet_write(fd[1], "have %s\n", sha1_to_hex(sha1));
		if (args.verbose)
			fprintf(stderr, "have %s\n", sha1_to_hex(sha1));
		in_vain++;
		if (!(31 & ++count)) {
			int ack;

			packet_flush(fd[1]);
			flushes++;

			/*
			 * We keep one window "ahead" of the other side, and
			 * will wait for an ACK only on the next one
			 */
			if (count == 32)
				continue;

			do {
				ack = get_ack(fd[0], result_sha1);
				if (args.verbose && ack)
					fprintf(stderr, "got ack %d %s\n", ack,
							sha1_to_hex(result_sha1));
				if (ack == 1) {
					flushes = 0;
					multi_ack = 0;
					retval = 0;
					goto done;
				} else if (ack == 2) {
					struct commit *commit =
						lookup_commit(result_sha1);
					mark_common(commit, 0, 1);
					retval = 0;
					in_vain = 0;
					got_continue = 1;
				}
			} while (ack);
			flushes--;
			if (got_continue && MAX_IN_VAIN < in_vain) {
				if (args.verbose)
					fprintf(stderr, "giving up\n");
				break; /* give up */
			}
		}
	}
done:
	packet_write(fd[1], "done\n");
	if (args.verbose)
		fprintf(stderr, "done\n");
	if (retval != 0) {
		multi_ack = 0;
		flushes++;
	}
	while (flushes || multi_ack) {
		int ack = get_ack(fd[0], result_sha1);
		if (ack) {
			if (args.verbose)
				fprintf(stderr, "got ack (%d) %s\n", ack,
					sha1_to_hex(result_sha1));
			if (ack == 1)
				return 0;
			multi_ack = 1;
			continue;
		}
		flushes--;
	}
	/* it is no error to fetch into a completely empty repo */
	return count ? retval : 0;
}
Ejemplo n.º 4
0
static int fetch_pack(struct walker *walker, struct alt_base *repo, unsigned char *sha1)
{
	char *url;
	struct packed_git *target;
	struct packed_git **lst;
	FILE *packfile;
	char *filename;
	char tmpfile[PATH_MAX];
	int ret;
	long prev_posn = 0;
	char range[RANGE_HEADER_SIZE];
	struct curl_slist *range_header = NULL;
	struct walker_data *data = walker->data;

	struct active_request_slot *slot;
	struct slot_results results;

	if (fetch_indices(walker, repo))
		return -1;
	target = find_sha1_pack(sha1, repo->packs);
	if (!target)
		return -1;

	if (walker->get_verbosely) {
		fprintf(stderr, "Getting pack %s\n",
			sha1_to_hex(target->sha1));
		fprintf(stderr, " which contains %s\n",
			sha1_to_hex(sha1));
	}

	url = xmalloc(strlen(repo->base) + 65);
	sprintf(url, "%s/objects/pack/pack-%s.pack",
		repo->base, sha1_to_hex(target->sha1));

	filename = sha1_pack_name(target->sha1);
	snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename);
	packfile = fopen(tmpfile, "a");
	if (!packfile)
		return error("Unable to open local file %s for pack",
			     tmpfile);

	slot = get_active_slot();
	slot->results = &results;
	curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile);
	curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
	curl_easy_setopt(slot->curl, CURLOPT_URL, url);
	curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, data->no_pragma_header);
	slot->local = packfile;

	/* If there is data present from a previous transfer attempt,
	   resume where it left off */
	prev_posn = ftell(packfile);
	if (prev_posn>0) {
		if (walker->get_verbosely)
			fprintf(stderr,
				"Resuming fetch of pack %s at byte %ld\n",
				sha1_to_hex(target->sha1), prev_posn);
		sprintf(range, "Range: bytes=%ld-", prev_posn);
		range_header = curl_slist_append(range_header, range);
		curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header);
	}

	if (start_active_slot(slot)) {
		run_active_slot(slot);
		if (results.curl_result != CURLE_OK) {
			fclose(packfile);
			return error("Unable to get pack file %s\n%s", url,
				     curl_errorstr);
		}
	} else {
		fclose(packfile);
		return error("Unable to start request");
	}

	target->pack_size = ftell(packfile);
	fclose(packfile);

	ret = move_temp_to_file(tmpfile, filename);
	if (ret)
		return ret;

	lst = &repo->packs;
	while (*lst != target)
		lst = &((*lst)->next);
	*lst = (*lst)->next;

	if (verify_pack(target))
		return -1;
	install_packed_git(target);

	return 0;
}
Ejemplo n.º 5
0
static int find_common(struct fetch_pack_args *args,
		       int fd[2], unsigned char *result_sha1,
		       struct ref *refs)
{
	int fetching;
	int count = 0, flushes = 0, flush_at = INITIAL_FLUSH, retval;
	const unsigned char *sha1;
	unsigned in_vain = 0;
	int got_continue = 0;
	int got_ready = 0;
	struct strbuf req_buf = STRBUF_INIT;
	size_t state_len = 0;

	if (args->stateless_rpc && multi_ack == 1)
		die("--stateless-rpc requires multi_ack_detailed");
	if (marked)
		for_each_ref(clear_marks, NULL);
	marked = 1;

	for_each_ref(rev_list_insert_ref_oid, NULL);
	for_each_alternate_ref(insert_one_alternate_ref, NULL);

	fetching = 0;
	for ( ; refs ; refs = refs->next) {
		unsigned char *remote = refs->old_sha1;
		const char *remote_hex;
		struct object *o;

		/*
		 * If that object is complete (i.e. it is an ancestor of a
		 * local ref), we tell them we have it but do not have to
		 * tell them about its ancestors, which they already know
		 * about.
		 *
		 * We use lookup_object here because we are only
		 * interested in the case we *know* the object is
		 * reachable and we have already scanned it.
		 */
		if (((o = lookup_object(remote)) != NULL) &&
				(o->flags & COMPLETE)) {
			continue;
		}

		remote_hex = sha1_to_hex(remote);
		if (!fetching) {
			struct strbuf c = STRBUF_INIT;
			if (multi_ack == 2)     strbuf_addstr(&c, " multi_ack_detailed");
			if (multi_ack == 1)     strbuf_addstr(&c, " multi_ack");
			if (no_done)            strbuf_addstr(&c, " no-done");
			if (use_sideband == 2)  strbuf_addstr(&c, " side-band-64k");
			if (use_sideband == 1)  strbuf_addstr(&c, " side-band");
			if (args->use_thin_pack) strbuf_addstr(&c, " thin-pack");
			if (args->no_progress)   strbuf_addstr(&c, " no-progress");
			if (args->include_tag)   strbuf_addstr(&c, " include-tag");
			if (prefer_ofs_delta)   strbuf_addstr(&c, " ofs-delta");
			if (agent_supported)    strbuf_addf(&c, " agent=%s",
							    git_user_agent_sanitized());
			packet_buf_write(&req_buf, "want %s%s\n", remote_hex, c.buf);
			strbuf_release(&c);
		} else
			packet_buf_write(&req_buf, "want %s\n", remote_hex);
		fetching++;
	}

	if (!fetching) {
		strbuf_release(&req_buf);
		packet_flush(fd[1]);
		return 1;
	}

	if (is_repository_shallow())
		write_shallow_commits(&req_buf, 1, NULL);
	if (args->depth > 0)
		packet_buf_write(&req_buf, "deepen %d", args->depth);
	packet_buf_flush(&req_buf);
	state_len = req_buf.len;

	if (args->depth > 0) {
		char *line;
		const char *arg;
		unsigned char sha1[20];

		send_request(args, fd[1], &req_buf);
		while ((line = packet_read_line(fd[0], NULL))) {
			if (skip_prefix(line, "shallow ", &arg)) {
				if (get_sha1_hex(arg, sha1))
					die("invalid shallow line: %s", line);
				register_shallow(sha1);
				continue;
			}
			if (skip_prefix(line, "unshallow ", &arg)) {
				if (get_sha1_hex(arg, sha1))
					die("invalid unshallow line: %s", line);
				if (!lookup_object(sha1))
					die("object not found: %s", line);
				/* make sure that it is parsed as shallow */
				if (!parse_object(sha1))
					die("error in object: %s", line);
				if (unregister_shallow(sha1))
					die("no shallow found: %s", line);
				continue;
			}
			die("expected shallow/unshallow, got %s", line);
		}
	} else if (!args->stateless_rpc)
		send_request(args, fd[1], &req_buf);

	if (!args->stateless_rpc) {
		/* If we aren't using the stateless-rpc interface
		 * we don't need to retain the headers.
		 */
		strbuf_setlen(&req_buf, 0);
		state_len = 0;
	}

	flushes = 0;
	retval = -1;
	while ((sha1 = get_rev())) {
		packet_buf_write(&req_buf, "have %s\n", sha1_to_hex(sha1));
		if (args->verbose)
			fprintf(stderr, "have %s\n", sha1_to_hex(sha1));
		in_vain++;
		if (flush_at <= ++count) {
			int ack;

			packet_buf_flush(&req_buf);
			send_request(args, fd[1], &req_buf);
			strbuf_setlen(&req_buf, state_len);
			flushes++;
			flush_at = next_flush(args, count);

			/*
			 * We keep one window "ahead" of the other side, and
			 * will wait for an ACK only on the next one
			 */
			if (!args->stateless_rpc && count == INITIAL_FLUSH)
				continue;

			consume_shallow_list(args, fd[0]);
			do {
				ack = get_ack(fd[0], result_sha1);
				if (args->verbose && ack)
					fprintf(stderr, "got ack %d %s\n", ack,
							sha1_to_hex(result_sha1));
				switch (ack) {
				case ACK:
					flushes = 0;
					multi_ack = 0;
					retval = 0;
					goto done;
				case ACK_common:
				case ACK_ready:
				case ACK_continue: {
					struct commit *commit =
						lookup_commit(result_sha1);
					if (!commit)
						die("invalid commit %s", sha1_to_hex(result_sha1));
					if (args->stateless_rpc
					 && ack == ACK_common
					 && !(commit->object.flags & COMMON)) {
						/* We need to replay the have for this object
						 * on the next RPC request so the peer knows
						 * it is in common with us.
						 */
						const char *hex = sha1_to_hex(result_sha1);
						packet_buf_write(&req_buf, "have %s\n", hex);
						state_len = req_buf.len;
					}
					mark_common(commit, 0, 1);
					retval = 0;
					in_vain = 0;
					got_continue = 1;
					if (ack == ACK_ready) {
						clear_prio_queue(&rev_list);
						got_ready = 1;
					}
					break;
					}
				}
			} while (ack);
			flushes--;
			if (got_continue && MAX_IN_VAIN < in_vain) {
				if (args->verbose)
					fprintf(stderr, "giving up\n");
				break; /* give up */
			}
		}
	}
done:
	if (!got_ready || !no_done) {
		packet_buf_write(&req_buf, "done\n");
		send_request(args, fd[1], &req_buf);
	}
	if (args->verbose)
		fprintf(stderr, "done\n");
	if (retval != 0) {
		multi_ack = 0;
		flushes++;
	}
	strbuf_release(&req_buf);

	if (!got_ready || !no_done)
		consume_shallow_list(args, fd[0]);
	while (flushes || multi_ack) {
		int ack = get_ack(fd[0], result_sha1);
		if (ack) {
			if (args->verbose)
				fprintf(stderr, "got ack (%d) %s\n", ack,
					sha1_to_hex(result_sha1));
			if (ack == ACK)
				return 0;
			multi_ack = 1;
			continue;
		}
		flushes--;
	}
	/* it is no error to fetch into a completely empty repo */
	return count ? retval : 0;
}
Ejemplo n.º 6
0
Archivo: cache-tree.c Proyecto: emk/git
static int update_one(struct cache_tree *it,
		      struct cache_entry **cache,
		      int entries,
		      const char *base,
		      int baselen,
		      int missing_ok,
		      int dryrun)
{
	struct strbuf buffer;
	int i;

	if (0 <= it->entry_count && has_sha1_file(it->sha1))
		return it->entry_count;

	/*
	 * We first scan for subtrees and update them; we start by
	 * marking existing subtrees -- the ones that are unmarked
	 * should not be in the result.
	 */
	for (i = 0; i < it->subtree_nr; i++)
		it->down[i]->used = 0;

	/*
	 * Find the subtrees and update them.
	 */
	for (i = 0; i < entries; i++) {
		struct cache_entry *ce = cache[i];
		struct cache_tree_sub *sub;
		const char *path, *slash;
		int pathlen, sublen, subcnt;

		path = ce->name;
		pathlen = ce_namelen(ce);
		if (pathlen <= baselen || memcmp(base, path, baselen))
			break; /* at the end of this level */

		slash = strchr(path + baselen, '/');
		if (!slash)
			continue;
		/*
		 * a/bbb/c (base = a/, slash = /c)
		 * ==>
		 * path+baselen = bbb/c, sublen = 3
		 */
		sublen = slash - (path + baselen);
		sub = find_subtree(it, path + baselen, sublen, 1);
		if (!sub->cache_tree)
			sub->cache_tree = cache_tree();
		subcnt = update_one(sub->cache_tree,
				    cache + i, entries - i,
				    path,
				    baselen + sublen + 1,
				    missing_ok,
				    dryrun);
		if (subcnt < 0)
			return subcnt;
		i += subcnt - 1;
		sub->used = 1;
	}

	discard_unused_subtrees(it);

	/*
	 * Then write out the tree object for this level.
	 */
	strbuf_init(&buffer, 8192);

	for (i = 0; i < entries; i++) {
		struct cache_entry *ce = cache[i];
		struct cache_tree_sub *sub;
		const char *path, *slash;
		int pathlen, entlen;
		const unsigned char *sha1;
		unsigned mode;

		path = ce->name;
		pathlen = ce_namelen(ce);
		if (pathlen <= baselen || memcmp(base, path, baselen))
			break; /* at the end of this level */

		slash = strchr(path + baselen, '/');
		if (slash) {
			entlen = slash - (path + baselen);
			sub = find_subtree(it, path + baselen, entlen, 0);
			if (!sub)
				die("cache-tree.c: '%.*s' in '%s' not found",
				    entlen, path + baselen, path);
			i += sub->cache_tree->entry_count - 1;
			sha1 = sub->cache_tree->sha1;
			mode = S_IFDIR;
		}
		else {
			sha1 = ce->sha1;
			mode = ce->ce_mode;
			entlen = pathlen - baselen;
		}
		if (mode != S_IFGITLINK && !missing_ok && !has_sha1_file(sha1))
			return error("invalid object %s", sha1_to_hex(sha1));

		if (ce->ce_flags & CE_REMOVE)
			continue; /* entry being removed */

		strbuf_grow(&buffer, entlen + 100);
		strbuf_addf(&buffer, "%o %.*s%c", mode, entlen, path + baselen, '\0');
		strbuf_add(&buffer, sha1, 20);

#if DEBUG
		fprintf(stderr, "cache-tree update-one %o %.*s\n",
			mode, entlen, path + baselen);
#endif
	}

	if (dryrun)
		hash_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1);
	else if (write_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1)) {
		strbuf_release(&buffer);
		return -1;
	}

	strbuf_release(&buffer);
	it->entry_count = i;
#if DEBUG
	fprintf(stderr, "cache-tree update-one (%d ent, %d subtree) %s\n",
		it->entry_count, it->subtree_nr,
		sha1_to_hex(it->sha1));
#endif
	return i;
}
Ejemplo n.º 7
0
static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
{
	unsigned char sha1[20];
	enum object_type type;
	char *buf;
	unsigned long size;
	struct object_context obj_context;

	if (get_sha1_with_context(obj_name, 0, sha1, &obj_context))
		die("Not a valid object name %s", obj_name);

	buf = NULL;
	switch (opt) {
	case 't':
		type = sha1_object_info(sha1, NULL);
		if (type > 0) {
			printf("%s\n", typename(type));
			return 0;
		}
		break;

	case 's':
		type = sha1_object_info(sha1, &size);
		if (type > 0) {
			printf("%lu\n", size);
			return 0;
		}
		break;

	case 'e':
		return !has_sha1_file(sha1);

	case 'p':
		type = sha1_object_info(sha1, NULL);
		if (type < 0)
			die("Not a valid object name %s", obj_name);

		/* custom pretty-print here */
		if (type == OBJ_TREE) {
			const char *ls_args[3] = { NULL };
			ls_args[0] =  "ls-tree";
			ls_args[1] =  obj_name;
			return cmd_ls_tree(2, ls_args, NULL);
		}

		if (type == OBJ_BLOB)
			return stream_blob_to_fd(1, sha1, NULL, 0);
		buf = read_sha1_file(sha1, &type, &size);
		if (!buf)
			die("Cannot read object %s", obj_name);

		/* otherwise just spit out the data */
		break;

	case 'c':
		if (!obj_context.path[0])
			die("git cat-file --textconv %s: <object> must be <sha1:path>",
			    obj_name);

		if (!textconv_object(obj_context.path, obj_context.mode, sha1, 1, &buf, &size))
			die("git cat-file --textconv: unable to run textconv on %s",
			    obj_name);
		break;

	case 0:
		if (type_from_string(exp_type) == OBJ_BLOB) {
			unsigned char blob_sha1[20];
			if (sha1_object_info(sha1, NULL) == OBJ_TAG) {
				enum object_type type;
				unsigned long size;
				char *buffer = read_sha1_file(sha1, &type, &size);
				if (memcmp(buffer, "object ", 7) ||
				    get_sha1_hex(buffer + 7, blob_sha1))
					die("%s not a valid tag", sha1_to_hex(sha1));
				free(buffer);
			} else
				hashcpy(blob_sha1, sha1);

			if (sha1_object_info(blob_sha1, NULL) == OBJ_BLOB)
				return stream_blob_to_fd(1, blob_sha1, NULL, 0);
			/*
			 * we attempted to dereference a tag to a blob
			 * and failed; there may be new dereference
			 * mechanisms this code is not aware of.
			 * fall-back to the usual case.
			 */
		}
		buf = read_object_with_reference(sha1, exp_type, &size, NULL);
		break;

	default:
		die("git cat-file: unknown option: %s", exp_type);
	}
Ejemplo n.º 8
0
static void handle_tag(const char *name, struct tag *tag)
{
	unsigned long size;
	enum object_type type;
	char *buf;
	const char *tagger, *tagger_end, *message;
	size_t message_size = 0;
	struct object *tagged;
	int tagged_mark;
	struct commit *p;

	/* Trees have no identifier in fast-export output, thus we have no way
	 * to output tags of trees, tags of tags of trees, etc.  Simply omit
	 * such tags.
	 */
	tagged = tag->tagged;
	while (tagged->type == OBJ_TAG) {
		tagged = ((struct tag *)tagged)->tagged;
	}
	if (tagged->type == OBJ_TREE) {
		warning("Omitting tag %s,\nsince tags of trees (or tags of tags of trees, etc.) are not supported.",
			sha1_to_hex(tag->object.sha1));
		return;
	}

	buf = read_sha1_file(tag->object.sha1, &type, &size);
	if (!buf)
		die ("Could not read tag %s", sha1_to_hex(tag->object.sha1));
	message = memmem(buf, size, "\n\n", 2);
	if (message) {
		message += 2;
		message_size = strlen(message);
	}
	tagger = memmem(buf, message ? message - buf : size, "\ntagger ", 8);
	if (!tagger) {
		if (fake_missing_tagger)
			tagger = "tagger Unspecified Tagger "
				"<unspecified-tagger> 0 +0000";
		else
			tagger = "";
		tagger_end = tagger + strlen(tagger);
	} else {
		tagger++;
		tagger_end = strchrnul(tagger, '\n');
		if (anonymize)
			anonymize_ident_line(&tagger, &tagger_end);
	}

	if (anonymize) {
		name = anonymize_refname(name);
		if (message) {
			static struct hashmap tags;
			message = anonymize_mem(&tags, anonymize_tag,
						message, &message_size);
		}
	}

	/* handle signed tags */
	if (message) {
		const char *signature = strstr(message,
					       "\n-----BEGIN PGP SIGNATURE-----\n");
		if (signature)
			switch(signed_tag_mode) {
			case ABORT:
				die ("Encountered signed tag %s; use "
				     "--signed-tags=<mode> to handle it.",
				     sha1_to_hex(tag->object.sha1));
			case WARN:
				warning ("Exporting signed tag %s",
					 sha1_to_hex(tag->object.sha1));
				/* fallthru */
			case VERBATIM:
				break;
			case WARN_STRIP:
				warning ("Stripping signature from tag %s",
					 sha1_to_hex(tag->object.sha1));
				/* fallthru */
			case STRIP:
				message_size = signature + 1 - message;
				break;
			}
	}

	/* handle tag->tagged having been filtered out due to paths specified */
	tagged = tag->tagged;
	tagged_mark = get_object_mark(tagged);
	if (!tagged_mark) {
		switch(tag_of_filtered_mode) {
		case ABORT:
			die ("Tag %s tags unexported object; use "
			     "--tag-of-filtered-object=<mode> to handle it.",
			     sha1_to_hex(tag->object.sha1));
		case DROP:
			/* Ignore this tag altogether */
			return;
		case REWRITE:
			if (tagged->type != OBJ_COMMIT) {
				die ("Tag %s tags unexported %s!",
				     sha1_to_hex(tag->object.sha1),
				     typename(tagged->type));
			}
			p = (struct commit *)tagged;
			for (;;) {
				if (p->parents && p->parents->next)
					break;
				if (p->object.flags & UNINTERESTING)
					break;
				if (!(p->object.flags & TREESAME))
					break;
				if (!p->parents)
					die ("Can't find replacement commit for tag %s\n",
					     sha1_to_hex(tag->object.sha1));
				p = p->parents->item;
			}
			tagged_mark = get_object_mark(&p->object);
		}
	}
Ejemplo n.º 9
0
	}

	if (remote_head->util) {
		struct merge_remote_desc *desc;
		desc = merge_remote_util(remote_head);
		if (desc && desc->obj && desc->obj->type == OBJ_TAG) {
			strbuf_addf(msg, "%s\t\t%s '%s'\n",
				    sha1_to_hex(desc->obj->oid.hash),
				    typename(desc->obj->type),
				    remote);
			goto cleanup;
		}
	}

	strbuf_addf(msg, "%s\t\tcommit '%s'\n",
		sha1_to_hex(remote_head->object.oid.hash), remote);
cleanup:
	strbuf_release(&buf);
	strbuf_release(&bname);
}

static void parse_branch_merge_options(char *bmo)
{
	const char **argv;
	int argc;

	if (!bmo)
		return;
	argc = split_cmdline(bmo, &argv);
	if (argc < 0)
		die(_("Bad branch.%s.mergeoptions string: %s"), branch,
Ejemplo n.º 10
0
static void show_filemodify(struct diff_queue_struct *q,
			    struct diff_options *options, void *data)
{
	int i;

	/*
	 * Handle files below a directory first, in case they are all deleted
	 * and the directory changes to a file or symlink.
	 */
	qsort(q->queue, q->nr, sizeof(q->queue[0]), depth_first);

	for (i = 0; i < q->nr; i++) {
		struct diff_filespec *ospec = q->queue[i]->one;
		struct diff_filespec *spec = q->queue[i]->two;

		switch (q->queue[i]->status) {
		case DIFF_STATUS_DELETED:
			printf("D ");
			print_path(spec->path);
			putchar('\n');
			break;

		case DIFF_STATUS_COPIED:
		case DIFF_STATUS_RENAMED:
			printf("%c ", q->queue[i]->status);
			print_path(ospec->path);
			putchar(' ');
			print_path(spec->path);
			putchar('\n');

			if (!hashcmp(ospec->sha1, spec->sha1) &&
			    ospec->mode == spec->mode)
				break;
			/* fallthrough */

		case DIFF_STATUS_TYPE_CHANGED:
		case DIFF_STATUS_MODIFIED:
		case DIFF_STATUS_ADDED:
			/*
			 * Links refer to objects in another repositories;
			 * output the SHA-1 verbatim.
			 */
			if (no_data || S_ISGITLINK(spec->mode))
				printf("M %06o %s ", spec->mode,
				       sha1_to_hex(anonymize ?
						   anonymize_sha1(spec->sha1) :
						   spec->sha1));
			else {
				struct object *object = lookup_object(spec->sha1);
				printf("M %06o :%d ", spec->mode,
				       get_object_mark(object));
			}
			print_path(spec->path);
			putchar('\n');
			break;

		default:
			die("Unexpected comparison status '%c' for %s, %s",
				q->queue[i]->status,
				ospec->path ? ospec->path : "none",
				spec->path ? spec->path : "none");
		}
	}
}
Ejemplo n.º 11
0
static void handle_commit(struct commit *commit, struct rev_info *rev)
{
	int saved_output_format = rev->diffopt.output_format;
	const char *commit_buffer;
	const char *author, *author_end, *committer, *committer_end;
	const char *encoding, *message;
	char *reencoded = NULL;
	struct commit_list *p;
	const char *refname;
	int i;

	rev->diffopt.output_format = DIFF_FORMAT_CALLBACK;

	parse_commit_or_die(commit);
	commit_buffer = get_commit_buffer(commit, NULL);
	author = strstr(commit_buffer, "\nauthor ");
	if (!author)
		die ("Could not find author in commit %s",
		     sha1_to_hex(commit->object.sha1));
	author++;
	author_end = strchrnul(author, '\n');
	committer = strstr(author_end, "\ncommitter ");
	if (!committer)
		die ("Could not find committer in commit %s",
		     sha1_to_hex(commit->object.sha1));
	committer++;
	committer_end = strchrnul(committer, '\n');
	message = strstr(committer_end, "\n\n");
	encoding = find_encoding(committer_end, message);
	if (message)
		message += 2;

	if (commit->parents &&
	    get_object_mark(&commit->parents->item->object) != 0 &&
	    !full_tree) {
		parse_commit_or_die(commit->parents->item);
		diff_tree_sha1(commit->parents->item->tree->object.sha1,
			       commit->tree->object.sha1, "", &rev->diffopt);
	}
	else
		diff_root_tree_sha1(commit->tree->object.sha1,
				    "", &rev->diffopt);

	/* Export the referenced blobs, and remember the marks. */
	for (i = 0; i < diff_queued_diff.nr; i++)
		if (!S_ISGITLINK(diff_queued_diff.queue[i]->two->mode))
			export_blob(diff_queued_diff.queue[i]->two->sha1);

	refname = commit->util;
	if (anonymize) {
		refname = anonymize_refname(refname);
		anonymize_ident_line(&committer, &committer_end);
		anonymize_ident_line(&author, &author_end);
	}

	mark_next_object(&commit->object);
	if (anonymize)
		reencoded = anonymize_commit_message(message);
	else if (!is_encoding_utf8(encoding))
		reencoded = reencode_string(message, "UTF-8", encoding);
	if (!commit->parents)
		printf("reset %s\n", refname);
	printf("commit %s\nmark :%"PRIu32"\n%.*s\n%.*s\ndata %u\n%s",
	       refname, last_idnum,
	       (int)(author_end - author), author,
	       (int)(committer_end - committer), committer,
	       (unsigned)(reencoded
			  ? strlen(reencoded) : message
			  ? strlen(message) : 0),
	       reencoded ? reencoded : message ? message : "");
	free(reencoded);
	unuse_commit_buffer(commit, commit_buffer);

	for (i = 0, p = commit->parents; p; p = p->next) {
		int mark = get_object_mark(&p->item->object);
		if (!mark)
			continue;
		if (i == 0)
			printf("from :%d\n", mark);
		else
			printf("merge :%d\n", mark);
		i++;
	}

	if (full_tree)
		printf("deleteall\n");
	log_tree_diff_flush(rev);
	rev->diffopt.output_format = saved_output_format;

	printf("\n");

	show_progress();
}
Ejemplo n.º 12
0
struct commitinfo *cgit_parse_commit(struct commit *commit)
{
	struct commitinfo *ret;
	const char *p = get_cached_commit_buffer(commit, NULL);
	const char *t;

	ret = xmalloc(sizeof(*ret));
	ret->commit = commit;
	ret->author = NULL;
	ret->author_email = NULL;
	ret->committer = NULL;
	ret->committer_email = NULL;
	ret->subject = NULL;
	ret->msg = NULL;
	ret->msg_encoding = NULL;

	if (p == NULL)
		return ret;

	if (!starts_with(p, "tree "))
		die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
	else
		p += 46; // "tree " + hex[40] + "\n"

	while (starts_with(p, "parent "))
		p += 48; // "parent " + hex[40] + "\n"

	if (p && starts_with(p, "author ")) {
		p = parse_user(p + 7, &ret->author, &ret->author_email,
			&ret->author_date);
	}

	if (p && starts_with(p, "committer ")) {
		p = parse_user(p + 10, &ret->committer, &ret->committer_email,
			&ret->committer_date);
	}

	if (p && starts_with(p, "encoding ")) {
		p += 9;
		t = strchr(p, '\n');
		if (t) {
			ret->msg_encoding = substr(p, t + 1);
			p = t + 1;
		}
	}

	/* if no special encoding is found, assume UTF-8 */
	if (!ret->msg_encoding)
		ret->msg_encoding = xstrdup("UTF-8");

	// skip unknown header fields
	while (p && *p && (*p != '\n')) {
		p = strchr(p, '\n');
		if (p)
			p++;
	}

	// skip empty lines between headers and message
	while (p && *p == '\n')
		p++;

	if (!p)
		return ret;

	t = strchr(p, '\n');
	if (t) {
		ret->subject = substr(p, t);
		p = t + 1;

		while (p && *p == '\n') {
			p = strchr(p, '\n');
			if (p)
				p++;
		}
		if (p)
			ret->msg = xstrdup(p);
	} else
		ret->subject = xstrdup(p);

	reencode(&ret->author, ret->msg_encoding, PAGE_ENCODING);
	reencode(&ret->author_email, ret->msg_encoding, PAGE_ENCODING);
	reencode(&ret->committer, ret->msg_encoding, PAGE_ENCODING);
	reencode(&ret->committer_email, ret->msg_encoding, PAGE_ENCODING);
	reencode(&ret->subject, ret->msg_encoding, PAGE_ENCODING);
	reencode(&ret->msg, ret->msg_encoding, PAGE_ENCODING);

	return ret;
}
Ejemplo n.º 13
0
Archivo: notes.c Proyecto: AresDice/git
static int copy(int argc, const char **argv, const char *prefix)
{
	int retval = 0, force = 0, from_stdin = 0;
	const unsigned char *from_note, *note;
	const char *object_ref;
	unsigned char object[20], from_obj[20];
	struct notes_tree *t;
	const char *rewrite_cmd = NULL;
	struct option options[] = {
		OPT__FORCE(&force, N_("replace existing notes")),
		OPT_BOOL(0, "stdin", &from_stdin, N_("read objects from stdin")),
		OPT_STRING(0, "for-rewrite", &rewrite_cmd, N_("command"),
			   N_("load rewriting config for <command> (implies "
			      "--stdin)")),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options, git_notes_copy_usage,
			     0);

	if (from_stdin || rewrite_cmd) {
		if (argc) {
			error(_("too many parameters"));
			usage_with_options(git_notes_copy_usage, options);
		} else {
			return notes_copy_from_stdin(force, rewrite_cmd);
		}
	}

	if (argc < 2) {
		error(_("too few parameters"));
		usage_with_options(git_notes_copy_usage, options);
	}
	if (2 < argc) {
		error(_("too many parameters"));
		usage_with_options(git_notes_copy_usage, options);
	}

	if (get_sha1(argv[0], from_obj))
		die(_("Failed to resolve '%s' as a valid ref."), argv[0]);

	object_ref = 1 < argc ? argv[1] : "HEAD";

	if (get_sha1(object_ref, object))
		die(_("Failed to resolve '%s' as a valid ref."), object_ref);

	t = init_notes_check("copy");
	note = get_note(t, object);

	if (note) {
		if (!force) {
			retval = error(_("Cannot copy notes. Found existing "
				       "notes for object %s. Use '-f' to "
				       "overwrite existing notes"),
				       sha1_to_hex(object));
			goto out;
		}
		fprintf(stderr, _("Overwriting existing notes for object %s\n"),
			sha1_to_hex(object));
	}

	from_note = get_note(t, from_obj);
	if (!from_note) {
		retval = error(_("Missing notes on source object %s. Cannot "
			       "copy."), sha1_to_hex(from_obj));
		goto out;
	}

	if (add_note(t, object, from_note, combine_notes_overwrite))
		die("BUG: combine_notes_overwrite failed");
	commit_notes(t, "Notes added by 'git notes copy'");
out:
	free_notes(t);
	return retval;
}
Ejemplo n.º 14
0
Archivo: notes.c Proyecto: AresDice/git
static int add(int argc, const char **argv, const char *prefix)
{
	int retval = 0, force = 0;
	const char *object_ref;
	struct notes_tree *t;
	unsigned char object[20], new_note[20];
	char logmsg[100];
	const unsigned char *note;
	struct msg_arg msg = { 0, 0, STRBUF_INIT };
	struct option options[] = {
		{ OPTION_CALLBACK, 'm', "message", &msg, N_("message"),
			N_("note contents as a string"), PARSE_OPT_NONEG,
			parse_msg_arg},
		{ OPTION_CALLBACK, 'F', "file", &msg, N_("file"),
			N_("note contents in a file"), PARSE_OPT_NONEG,
			parse_file_arg},
		{ OPTION_CALLBACK, 'c', "reedit-message", &msg, N_("object"),
			N_("reuse and edit specified note object"), PARSE_OPT_NONEG,
			parse_reedit_arg},
		{ OPTION_CALLBACK, 'C', "reuse-message", &msg, N_("object"),
			N_("reuse specified note object"), PARSE_OPT_NONEG,
			parse_reuse_arg},
		OPT__FORCE(&force, N_("replace existing notes")),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options, git_notes_add_usage,
			     PARSE_OPT_KEEP_ARGV0);

	if (2 < argc) {
		error(_("too many parameters"));
		usage_with_options(git_notes_add_usage, options);
	}

	object_ref = argc > 1 ? argv[1] : "HEAD";

	if (get_sha1(object_ref, object))
		die(_("Failed to resolve '%s' as a valid ref."), object_ref);

	t = init_notes_check("add");
	note = get_note(t, object);

	if (note) {
		if (!force) {
			if (!msg.given) {
				/*
				 * Redirect to "edit" subcommand.
				 *
				 * We only end up here if none of -m/-F/-c/-C
				 * or -f are given. The original args are
				 * therefore still in argv[0-1].
				 */
				argv[0] = "edit";
				free_notes(t);
				return append_edit(argc, argv, prefix);
			}
			retval = error(_("Cannot add notes. Found existing notes "
				       "for object %s. Use '-f' to overwrite "
				       "existing notes"), sha1_to_hex(object));
			goto out;
		}
		fprintf(stderr, _("Overwriting existing notes for object %s\n"),
			sha1_to_hex(object));
	}

	create_note(object, &msg, 0, note, new_note);

	if (is_null_sha1(new_note))
		remove_note(t, object);
	else if (add_note(t, object, new_note, combine_notes_overwrite))
		die("BUG: combine_notes_overwrite failed");

	snprintf(logmsg, sizeof(logmsg), "Notes %s by 'git notes %s'",
		 is_null_sha1(new_note) ? "removed" : "added", "add");
	commit_notes(t, logmsg);
out:
	free_notes(t);
	strbuf_release(&(msg.buf));
	return retval;
}
Ejemplo n.º 15
0
int merge_submodule(unsigned char result[20], const char *path,
		    const unsigned char base[20], const unsigned char a[20],
		    const unsigned char b[20], int search)
{
	struct commit *commit_base, *commit_a, *commit_b;
	int parent_count;
	struct object_array merges;

	int i;

	/* store a in result in case we fail */
	hashcpy(result, a);

	/* we can not handle deletion conflicts */
	if (is_null_sha1(base))
		return 0;
	if (is_null_sha1(a))
		return 0;
	if (is_null_sha1(b))
		return 0;

	if (add_submodule_odb(path)) {
		MERGE_WARNING(path, "not checked out");
		return 0;
	}

	if (!(commit_base = lookup_commit_reference(base)) ||
	    !(commit_a = lookup_commit_reference(a)) ||
	    !(commit_b = lookup_commit_reference(b))) {
		MERGE_WARNING(path, "commits not present");
		return 0;
	}

	/* check whether both changes are forward */
	if (!in_merge_bases(commit_base, commit_a) ||
	    !in_merge_bases(commit_base, commit_b)) {
		MERGE_WARNING(path, "commits don't follow merge-base");
		return 0;
	}

	/* Case #1: a is contained in b or vice versa */
	if (in_merge_bases(commit_a, commit_b)) {
		hashcpy(result, b);
		return 1;
	}
	if (in_merge_bases(commit_b, commit_a)) {
		hashcpy(result, a);
		return 1;
	}

	/*
	 * Case #2: There are one or more merges that contain a and b in
	 * the submodule. If there is only one, then present it as a
	 * suggestion to the user, but leave it marked unmerged so the
	 * user needs to confirm the resolution.
	 */

	/* Skip the search if makes no sense to the calling context.  */
	if (!search)
		return 0;

	/* find commit which merges them */
	parent_count = find_first_merges(&merges, path, commit_a, commit_b);
	switch (parent_count) {
	case 0:
		MERGE_WARNING(path, "merge following commits not found");
		break;

	case 1:
		MERGE_WARNING(path, "not fast-forward");
		fprintf(stderr, "Found a possible merge resolution "
				"for the submodule:\n");
		print_commit((struct commit *) merges.objects[0].item);
		fprintf(stderr,
			"If this is correct simply add it to the index "
			"for example\n"
			"by using:\n\n"
			"  git update-index --cacheinfo 160000 %s \"%s\"\n\n"
			"which will accept this suggestion.\n",
			sha1_to_hex(merges.objects[0].item->sha1), path);
		break;

	default:
		MERGE_WARNING(path, "multiple merges found");
		for (i = 0; i < merges.nr; i++)
			print_commit((struct commit *) merges.objects[i].item);
	}

	free(merges.objects);
	return 0;
}
Ejemplo n.º 16
0
/* Get the name for the merge commit's message. */
static void merge_name(const char *remote, struct strbuf *msg)
{
	struct commit *remote_head;
	unsigned char branch_head[20];
	struct strbuf buf = STRBUF_INIT;
	struct strbuf bname = STRBUF_INIT;
	const char *ptr;
	char *found_ref;
	int len, early;

	strbuf_branchname(&bname, remote);
	remote = bname.buf;

	memset(branch_head, 0, sizeof(branch_head));
	remote_head = get_merge_parent(remote);
	if (!remote_head)
		die(_("'%s' does not point to a commit"), remote);

	if (dwim_ref(remote, strlen(remote), branch_head, &found_ref) > 0) {
		if (starts_with(found_ref, "refs/heads/")) {
			strbuf_addf(msg, "%s\t\tbranch '%s' of .\n",
				    sha1_to_hex(branch_head), remote);
			goto cleanup;
		}
		if (starts_with(found_ref, "refs/tags/")) {
			strbuf_addf(msg, "%s\t\ttag '%s' of .\n",
				    sha1_to_hex(branch_head), remote);
			goto cleanup;
		}
		if (starts_with(found_ref, "refs/remotes/")) {
			strbuf_addf(msg, "%s\t\tremote-tracking branch '%s' of .\n",
				    sha1_to_hex(branch_head), remote);
			goto cleanup;
		}
	}

	/* See if remote matches <name>^^^.. or <name>~<number> */
	for (len = 0, ptr = remote + strlen(remote);
	     remote < ptr && ptr[-1] == '^';
	     ptr--)
		len++;
	if (len)
		early = 1;
	else {
		early = 0;
		ptr = strrchr(remote, '~');
		if (ptr) {
			int seen_nonzero = 0;

			len++; /* count ~ */
			while (*++ptr && isdigit(*ptr)) {
				seen_nonzero |= (*ptr != '0');
				len++;
			}
			if (*ptr)
				len = 0; /* not ...~<number> */
			else if (seen_nonzero)
				early = 1;
			else if (len == 1)
				early = 1; /* "name~" is "name~1"! */
		}
	}
	if (len) {
		struct strbuf truname = STRBUF_INIT;
		strbuf_addf(&truname, "refs/heads/%s", remote);
		strbuf_setlen(&truname, truname.len - len);
		if (ref_exists(truname.buf)) {
			strbuf_addf(msg,
				    "%s\t\tbranch '%s'%s of .\n",
				    sha1_to_hex(remote_head->object.oid.hash),
				    truname.buf + 11,
				    (early ? " (early part)" : ""));
			strbuf_release(&truname);
			goto cleanup;
		}
		strbuf_release(&truname);
	}

	if (remote_head->util) {
		struct merge_remote_desc *desc;
		desc = merge_remote_util(remote_head);
		if (desc && desc->obj && desc->obj->type == OBJ_TAG) {
			strbuf_addf(msg, "%s\t\t%s '%s'\n",
				    sha1_to_hex(desc->obj->oid.hash),
				    typename(desc->obj->type),
				    remote);
			goto cleanup;
		}
	}
Ejemplo n.º 17
0
static void add_sha1_to_argv(const unsigned char sha1[20], void *data)
{
	argv_array_push(data, sha1_to_hex(sha1));
}
Ejemplo n.º 18
0
Archivo: merge.c Proyecto: 80520997/git
	}

	if (remote_head->util) {
		struct merge_remote_desc *desc;
		desc = merge_remote_util(remote_head);
		if (desc && desc->obj && desc->obj->type == OBJ_TAG) {
			strbuf_addf(msg, "%s\t\t%s '%s'\n",
				    sha1_to_hex(desc->obj->sha1),
				    typename(desc->obj->type),
				    remote);
			goto cleanup;
		}
	}

	strbuf_addf(msg, "%s\t\tcommit '%s'\n",
		sha1_to_hex(remote_head->object.sha1), remote);
cleanup:
	strbuf_release(&buf);
	strbuf_release(&bname);
}

static void parse_branch_merge_options(char *bmo)
{
	const char **argv;
	int argc;

	if (!bmo)
		return;
	argc = split_cmdline(bmo, &argv);
	if (argc < 0)
		die(_("Bad branch.%s.mergeoptions string: %s"), branch,
Ejemplo n.º 19
0
Archivo: cache-tree.c Proyecto: emk/git
static struct cache_tree *read_one(const char **buffer, unsigned long *size_p)
{
	const char *buf = *buffer;
	unsigned long size = *size_p;
	const char *cp;
	char *ep;
	struct cache_tree *it;
	int i, subtree_nr;

	it = NULL;
	/* skip name, but make sure name exists */
	while (size && *buf) {
		size--;
		buf++;
	}
	if (!size)
		goto free_return;
	buf++; size--;
	it = cache_tree();

	cp = buf;
	it->entry_count = strtol(cp, &ep, 10);
	if (cp == ep)
		goto free_return;
	cp = ep;
	subtree_nr = strtol(cp, &ep, 10);
	if (cp == ep)
		goto free_return;
	while (size && *buf && *buf != '\n') {
		size--;
		buf++;
	}
	if (!size)
		goto free_return;
	buf++; size--;
	if (0 <= it->entry_count) {
		if (size < 20)
			goto free_return;
		hashcpy(it->sha1, (const unsigned char*)buf);
		buf += 20;
		size -= 20;
	}

#if DEBUG
	if (0 <= it->entry_count)
		fprintf(stderr, "cache-tree <%s> (%d ent, %d subtree) %s\n",
			*buffer, it->entry_count, subtree_nr,
			sha1_to_hex(it->sha1));
	else
		fprintf(stderr, "cache-tree <%s> (%d subtrees) invalid\n",
			*buffer, subtree_nr);
#endif

	/*
	 * Just a heuristic -- we do not add directories that often but
	 * we do not want to have to extend it immediately when we do,
	 * hence +2.
	 */
	it->subtree_alloc = subtree_nr + 2;
	it->down = xcalloc(it->subtree_alloc, sizeof(struct cache_tree_sub *));
	for (i = 0; i < subtree_nr; i++) {
		/* read each subtree */
		struct cache_tree *sub;
		struct cache_tree_sub *subtree;
		const char *name = buf;

		sub = read_one(&buf, &size);
		if (!sub)
			goto free_return;
		subtree = cache_tree_sub(it, name);
		subtree->cache_tree = sub;
	}
	if (subtree_nr != it->subtree_nr)
		die("cache-tree: internal error");
	*buffer = buf;
	*size_p = size;
	return it;

 free_return:
	cache_tree_free(&it);
	return NULL;
}
Ejemplo n.º 20
0
Archivo: merge.c Proyecto: 80520997/git
int cmd_merge(int argc, const char **argv, const char *prefix)
{
	unsigned char result_tree[20];
	unsigned char stash[20];
	unsigned char head_sha1[20];
	struct commit *head_commit;
	struct strbuf buf = STRBUF_INIT;
	const char *head_arg;
	int flag, i, ret = 0, head_subsumed;
	int best_cnt = -1, merge_was_ok = 0, automerge_was_ok = 0;
	struct commit_list *common = NULL;
	const char *best_strategy = NULL, *wt_strategy = NULL;
	struct commit_list *remoteheads, *p;
	void *branch_to_free;

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(builtin_merge_usage, builtin_merge_options);

	/*
	 * Check if we are _not_ on a detached HEAD, i.e. if there is a
	 * current branch.
	 */
	branch = branch_to_free = resolve_refdup("HEAD", 0, head_sha1, &flag);
	if (branch && starts_with(branch, "refs/heads/"))
		branch += 11;
	if (!branch || is_null_sha1(head_sha1))
		head_commit = NULL;
	else
		head_commit = lookup_commit_or_die(head_sha1, "HEAD");

	git_config(git_merge_config, NULL);

	if (branch_mergeoptions)
		parse_branch_merge_options(branch_mergeoptions);
	argc = parse_options(argc, argv, prefix, builtin_merge_options,
			builtin_merge_usage, 0);
	if (shortlog_len < 0)
		shortlog_len = (merge_log_config > 0) ? merge_log_config : 0;

	if (verbosity < 0 && show_progress == -1)
		show_progress = 0;

	if (abort_current_merge) {
		int nargc = 2;
		const char *nargv[] = {"reset", "--merge", NULL};

		if (!file_exists(git_path("MERGE_HEAD")))
			die(_("There is no merge to abort (MERGE_HEAD missing)."));

		/* Invoke 'git reset --merge' */
		ret = cmd_reset(nargc, nargv, prefix);
		goto done;
	}

	if (read_cache_unmerged())
		die_resolve_conflict("merge");

	if (file_exists(git_path("MERGE_HEAD"))) {
		/*
		 * There is no unmerged entry, don't advise 'git
		 * add/rm <file>', just 'git commit'.
		 */
		if (advice_resolve_conflict)
			die(_("You have not concluded your merge (MERGE_HEAD exists).\n"
				  "Please, commit your changes before you merge."));
		else
			die(_("You have not concluded your merge (MERGE_HEAD exists)."));
	}
	if (file_exists(git_path("CHERRY_PICK_HEAD"))) {
		if (advice_resolve_conflict)
			die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).\n"
			    "Please, commit your changes before you merge."));
		else
			die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists)."));
	}
	resolve_undo_clear();

	if (verbosity < 0)
		show_diffstat = 0;

	if (squash) {
		if (fast_forward == FF_NO)
			die(_("You cannot combine --squash with --no-ff."));
		option_commit = 0;
	}

	if (!abort_current_merge) {
		if (!argc) {
			if (default_to_upstream)
				argc = setup_with_upstream(&argv);
			else
				die(_("No commit specified and merge.defaultToUpstream not set."));
		} else if (argc == 1 && !strcmp(argv[0], "-"))
			argv[0] = "@{-1}";
	}
	if (!argc)
		usage_with_options(builtin_merge_usage,
			builtin_merge_options);

	/*
	 * This could be traditional "merge <msg> HEAD <commit>..."  and
	 * the way we can tell it is to see if the second token is HEAD,
	 * but some people might have misused the interface and used a
	 * commit-ish that is the same as HEAD there instead.
	 * Traditional format never would have "-m" so it is an
	 * additional safety measure to check for it.
	 */

	if (!have_message && head_commit &&
	    is_old_style_invocation(argc, argv, head_commit->object.sha1)) {
		strbuf_addstr(&merge_msg, argv[0]);
		head_arg = argv[1];
		argv += 2;
		argc -= 2;
		remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv);
	} else if (!head_commit) {
		struct commit *remote_head;
		/*
		 * If the merged head is a valid one there is no reason
		 * to forbid "git merge" into a branch yet to be born.
		 * We do the same for "git pull".
		 */
		if (argc != 1)
			die(_("Can merge only exactly one commit into "
				"empty head"));
		if (squash)
			die(_("Squash commit into empty head not supported yet"));
		if (fast_forward == FF_NO)
			die(_("Non-fast-forward commit does not make sense into "
			    "an empty head"));
		remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv);
		remote_head = remoteheads->item;
		if (!remote_head)
			die(_("%s - not something we can merge"), argv[0]);
		read_empty(remote_head->object.sha1, 0);
		update_ref("initial pull", "HEAD", remote_head->object.sha1,
			   NULL, 0, UPDATE_REFS_DIE_ON_ERR);
		goto done;
	} else {
		struct strbuf merge_names = STRBUF_INIT;

		/* We are invoked directly as the first-class UI. */
		head_arg = "HEAD";

		/*
		 * All the rest are the commits being merged; prepare
		 * the standard merge summary message to be appended
		 * to the given message.
		 */
		remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv);
		for (p = remoteheads; p; p = p->next)
			merge_name(merge_remote_util(p->item)->name, &merge_names);

		if (!have_message || shortlog_len) {
			struct fmt_merge_msg_opts opts;
			memset(&opts, 0, sizeof(opts));
			opts.add_title = !have_message;
			opts.shortlog_len = shortlog_len;
			opts.credit_people = (0 < option_edit);

			fmt_merge_msg(&merge_names, &merge_msg, &opts);
			if (merge_msg.len)
				strbuf_setlen(&merge_msg, merge_msg.len - 1);
		}
	}

	if (!head_commit || !argc)
		usage_with_options(builtin_merge_usage,
			builtin_merge_options);

	if (verify_signatures) {
		for (p = remoteheads; p; p = p->next) {
			struct commit *commit = p->item;
			char hex[41];
			struct signature_check signature_check;
			memset(&signature_check, 0, sizeof(signature_check));

			check_commit_signature(commit, &signature_check);

			strcpy(hex, find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
			switch (signature_check.result) {
			case 'G':
				break;
			case 'U':
				die(_("Commit %s has an untrusted GPG signature, "
				      "allegedly by %s."), hex, signature_check.signer);
			case 'B':
				die(_("Commit %s has a bad GPG signature "
				      "allegedly by %s."), hex, signature_check.signer);
			default: /* 'N' */
				die(_("Commit %s does not have a GPG signature."), hex);
			}
			if (verbosity >= 0 && signature_check.result == 'G')
				printf(_("Commit %s has a good GPG signature by %s\n"),
				       hex, signature_check.signer);

			signature_check_clear(&signature_check);
		}
	}

	strbuf_addstr(&buf, "merge");
	for (p = remoteheads; p; p = p->next)
		strbuf_addf(&buf, " %s", merge_remote_util(p->item)->name);
	setenv("GIT_REFLOG_ACTION", buf.buf, 0);
	strbuf_reset(&buf);

	for (p = remoteheads; p; p = p->next) {
		struct commit *commit = p->item;
		strbuf_addf(&buf, "GITHEAD_%s",
			    sha1_to_hex(commit->object.sha1));
		setenv(buf.buf, merge_remote_util(commit)->name, 1);
		strbuf_reset(&buf);
		if (fast_forward != FF_ONLY &&
		    merge_remote_util(commit) &&
		    merge_remote_util(commit)->obj &&
		    merge_remote_util(commit)->obj->type == OBJ_TAG)
			fast_forward = FF_NO;
	}

	if (option_edit < 0)
		option_edit = default_edit_option();

	if (!use_strategies) {
		if (!remoteheads)
			; /* already up-to-date */
		else if (!remoteheads->next)
			add_strategies(pull_twohead, DEFAULT_TWOHEAD);
		else
			add_strategies(pull_octopus, DEFAULT_OCTOPUS);
	}

	for (i = 0; i < use_strategies_nr; i++) {
		if (use_strategies[i]->attr & NO_FAST_FORWARD)
			fast_forward = FF_NO;
		if (use_strategies[i]->attr & NO_TRIVIAL)
			allow_trivial = 0;
	}

	if (!remoteheads)
		; /* already up-to-date */
	else if (!remoteheads->next)
		common = get_merge_bases(head_commit, remoteheads->item, 1);
	else {
		struct commit_list *list = remoteheads;
		commit_list_insert(head_commit, &list);
		common = get_octopus_merge_bases(list);
		free(list);
	}

	update_ref("updating ORIG_HEAD", "ORIG_HEAD", head_commit->object.sha1,
		   NULL, 0, UPDATE_REFS_DIE_ON_ERR);

	if (remoteheads && !common)
		; /* No common ancestors found. We need a real merge. */
	else if (!remoteheads ||
		 (!remoteheads->next && !common->next &&
		  common->item == remoteheads->item)) {
		/*
		 * If head can reach all the merge then we are up to date.
		 * but first the most common case of merging one remote.
		 */
		finish_up_to_date("Already up-to-date.");
		goto done;
	} else if (fast_forward != FF_NO && !remoteheads->next &&
			!common->next &&
			!hashcmp(common->item->object.sha1, head_commit->object.sha1)) {
		/* Again the most common case of merging one remote. */
		struct strbuf msg = STRBUF_INIT;
		struct commit *commit;
		char hex[41];

		strcpy(hex, find_unique_abbrev(head_commit->object.sha1, DEFAULT_ABBREV));

		if (verbosity >= 0)
			printf(_("Updating %s..%s\n"),
				hex,
				find_unique_abbrev(remoteheads->item->object.sha1,
				DEFAULT_ABBREV));
		strbuf_addstr(&msg, "Fast-forward");
		if (have_message)
			strbuf_addstr(&msg,
				" (no commit created; -m option ignored)");
		commit = remoteheads->item;
		if (!commit) {
			ret = 1;
			goto done;
		}

		if (checkout_fast_forward(head_commit->object.sha1,
					  commit->object.sha1,
					  overwrite_ignore)) {
			ret = 1;
			goto done;
		}

		finish(head_commit, remoteheads, commit->object.sha1, msg.buf);
		drop_save();
		goto done;
	} else if (!remoteheads->next && common->next)
		;
		/*
		 * We are not doing octopus and not fast-forward.  Need
		 * a real merge.
		 */
	else if (!remoteheads->next && !common->next && option_commit) {
		/*
		 * We are not doing octopus, not fast-forward, and have
		 * only one common.
		 */
		refresh_cache(REFRESH_QUIET);
		if (allow_trivial && fast_forward != FF_ONLY) {
			/* See if it is really trivial. */
			git_committer_info(IDENT_STRICT);
			printf(_("Trying really trivial in-index merge...\n"));
			if (!read_tree_trivial(common->item->object.sha1,
					       head_commit->object.sha1,
					       remoteheads->item->object.sha1)) {
				ret = merge_trivial(head_commit, remoteheads);
				goto done;
			}
			printf(_("Nope.\n"));
		}
	} else {
		/*
		 * An octopus.  If we can reach all the remote we are up
		 * to date.
		 */
		int up_to_date = 1;
		struct commit_list *j;

		for (j = remoteheads; j; j = j->next) {
			struct commit_list *common_one;

			/*
			 * Here we *have* to calculate the individual
			 * merge_bases again, otherwise "git merge HEAD^
			 * HEAD^^" would be missed.
			 */
			common_one = get_merge_bases(head_commit, j->item, 1);
			if (hashcmp(common_one->item->object.sha1,
				j->item->object.sha1)) {
				up_to_date = 0;
				break;
			}
		}
		if (up_to_date) {
			finish_up_to_date("Already up-to-date. Yeeah!");
			goto done;
		}
	}

	if (fast_forward == FF_ONLY)
		die(_("Not possible to fast-forward, aborting."));

	/* We are going to make a new commit. */
	git_committer_info(IDENT_STRICT);

	/*
	 * At this point, we need a real merge.  No matter what strategy
	 * we use, it would operate on the index, possibly affecting the
	 * working tree, and when resolved cleanly, have the desired
	 * tree in the index -- this means that the index must be in
	 * sync with the head commit.  The strategies are responsible
	 * to ensure this.
	 */
	if (use_strategies_nr == 1 ||
	    /*
	     * Stash away the local changes so that we can try more than one.
	     */
	    save_state(stash))
		hashcpy(stash, null_sha1);

	for (i = 0; i < use_strategies_nr; i++) {
		int ret;
		if (i) {
			printf(_("Rewinding the tree to pristine...\n"));
			restore_state(head_commit->object.sha1, stash);
		}
		if (use_strategies_nr != 1)
			printf(_("Trying merge strategy %s...\n"),
				use_strategies[i]->name);
		/*
		 * Remember which strategy left the state in the working
		 * tree.
		 */
		wt_strategy = use_strategies[i]->name;

		ret = try_merge_strategy(use_strategies[i]->name,
					 common, remoteheads,
					 head_commit, head_arg);
		if (!option_commit && !ret) {
			merge_was_ok = 1;
			/*
			 * This is necessary here just to avoid writing
			 * the tree, but later we will *not* exit with
			 * status code 1 because merge_was_ok is set.
			 */
			ret = 1;
		}

		if (ret) {
			/*
			 * The backend exits with 1 when conflicts are
			 * left to be resolved, with 2 when it does not
			 * handle the given merge at all.
			 */
			if (ret == 1) {
				int cnt = evaluate_result();

				if (best_cnt <= 0 || cnt <= best_cnt) {
					best_strategy = use_strategies[i]->name;
					best_cnt = cnt;
				}
			}
			if (merge_was_ok)
				break;
			else
				continue;
		}

		/* Automerge succeeded. */
		write_tree_trivial(result_tree);
		automerge_was_ok = 1;
		break;
	}

	/*
	 * If we have a resulting tree, that means the strategy module
	 * auto resolved the merge cleanly.
	 */
	if (automerge_was_ok) {
		ret = finish_automerge(head_commit, head_subsumed,
				       common, remoteheads,
				       result_tree, wt_strategy);
		goto done;
	}

	/*
	 * Pick the result from the best strategy and have the user fix
	 * it up.
	 */
	if (!best_strategy) {
		restore_state(head_commit->object.sha1, stash);
		if (use_strategies_nr > 1)
			fprintf(stderr,
				_("No merge strategy handled the merge.\n"));
		else
			fprintf(stderr, _("Merge with strategy %s failed.\n"),
				use_strategies[0]->name);
		ret = 2;
		goto done;
	} else if (best_strategy == wt_strategy)
		; /* We already have its result in the working tree. */
	else {
		printf(_("Rewinding the tree to pristine...\n"));
		restore_state(head_commit->object.sha1, stash);
		printf(_("Using the %s to prepare resolving by hand.\n"),
			best_strategy);
		try_merge_strategy(best_strategy, common, remoteheads,
				   head_commit, head_arg);
	}

	if (squash)
		finish(head_commit, remoteheads, NULL, NULL);
	else
		write_merge_state(remoteheads);

	if (merge_was_ok)
		fprintf(stderr, _("Automatic merge went well; "
			"stopped before committing as requested\n"));
	else
		ret = suggest_conflicts(option_renormalize);

done:
	free(branch_to_free);
	return ret;
}
Ejemplo n.º 21
0
static int fetch_index(struct walker *walker, struct alt_base *repo, unsigned char *sha1)
{
	char *hex = sha1_to_hex(sha1);
	char *filename;
	char *url;
	char tmpfile[PATH_MAX];
	long prev_posn = 0;
	char range[RANGE_HEADER_SIZE];
	struct curl_slist *range_header = NULL;
	struct walker_data *data = walker->data;

	FILE *indexfile;
	struct active_request_slot *slot;
	struct slot_results results;

	if (has_pack_index(sha1))
		return 0;

	if (walker->get_verbosely)
		fprintf(stderr, "Getting index for pack %s\n", hex);

	url = xmalloc(strlen(repo->base) + 64);
	sprintf(url, "%s/objects/pack/pack-%s.idx", repo->base, hex);

	filename = sha1_pack_index_name(sha1);
	snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename);
	indexfile = fopen(tmpfile, "a");
	if (!indexfile)
		return error("Unable to open local file %s for pack index",
			     tmpfile);

	slot = get_active_slot();
	slot->results = &results;
	curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile);
	curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
	curl_easy_setopt(slot->curl, CURLOPT_URL, url);
	curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, data->no_pragma_header);
	slot->local = indexfile;

	/* If there is data present from a previous transfer attempt,
	   resume where it left off */
	prev_posn = ftell(indexfile);
	if (prev_posn>0) {
		if (walker->get_verbosely)
			fprintf(stderr,
				"Resuming fetch of index for pack %s at byte %ld\n",
				hex, prev_posn);
		sprintf(range, "Range: bytes=%ld-", prev_posn);
		range_header = curl_slist_append(range_header, range);
		curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header);
	}

	if (start_active_slot(slot)) {
		run_active_slot(slot);
		if (results.curl_result != CURLE_OK) {
			fclose(indexfile);
			return error("Unable to get pack index %s\n%s", url,
				     curl_errorstr);
		}
	} else {
		fclose(indexfile);
		return error("Unable to start request");
	}

	fclose(indexfile);

	return move_temp_to_file(tmpfile, filename);
}
Ejemplo n.º 22
0
Archivo: merge.c Proyecto: 80520997/git
/* Get the name for the merge commit's message. */
static void merge_name(const char *remote, struct strbuf *msg)
{
	struct commit *remote_head;
	unsigned char branch_head[20];
	struct strbuf buf = STRBUF_INIT;
	struct strbuf bname = STRBUF_INIT;
	const char *ptr;
	char *found_ref;
	int len, early;

	strbuf_branchname(&bname, remote);
	remote = bname.buf;

	memset(branch_head, 0, sizeof(branch_head));
	remote_head = get_merge_parent(remote);
	if (!remote_head)
		die(_("'%s' does not point to a commit"), remote);

	if (dwim_ref(remote, strlen(remote), branch_head, &found_ref) > 0) {
		if (starts_with(found_ref, "refs/heads/")) {
			strbuf_addf(msg, "%s\t\tbranch '%s' of .\n",
				    sha1_to_hex(branch_head), remote);
			goto cleanup;
		}
		if (starts_with(found_ref, "refs/tags/")) {
			strbuf_addf(msg, "%s\t\ttag '%s' of .\n",
				    sha1_to_hex(branch_head), remote);
			goto cleanup;
		}
		if (starts_with(found_ref, "refs/remotes/")) {
			strbuf_addf(msg, "%s\t\tremote-tracking branch '%s' of .\n",
				    sha1_to_hex(branch_head), remote);
			goto cleanup;
		}
	}

	/* See if remote matches <name>^^^.. or <name>~<number> */
	for (len = 0, ptr = remote + strlen(remote);
	     remote < ptr && ptr[-1] == '^';
	     ptr--)
		len++;
	if (len)
		early = 1;
	else {
		early = 0;
		ptr = strrchr(remote, '~');
		if (ptr) {
			int seen_nonzero = 0;

			len++; /* count ~ */
			while (*++ptr && isdigit(*ptr)) {
				seen_nonzero |= (*ptr != '0');
				len++;
			}
			if (*ptr)
				len = 0; /* not ...~<number> */
			else if (seen_nonzero)
				early = 1;
			else if (len == 1)
				early = 1; /* "name~" is "name~1"! */
		}
	}
	if (len) {
		struct strbuf truname = STRBUF_INIT;
		strbuf_addstr(&truname, "refs/heads/");
		strbuf_addstr(&truname, remote);
		strbuf_setlen(&truname, truname.len - len);
		if (ref_exists(truname.buf)) {
			strbuf_addf(msg,
				    "%s\t\tbranch '%s'%s of .\n",
				    sha1_to_hex(remote_head->object.sha1),
				    truname.buf + 11,
				    (early ? " (early part)" : ""));
			strbuf_release(&truname);
			goto cleanup;
		}
	}

	if (!strcmp(remote, "FETCH_HEAD") &&
			!access(git_path("FETCH_HEAD"), R_OK)) {
		const char *filename;
		FILE *fp;
		struct strbuf line = STRBUF_INIT;
		char *ptr;

		filename = git_path("FETCH_HEAD");
		fp = fopen(filename, "r");
		if (!fp)
			die_errno(_("could not open '%s' for reading"),
				  filename);
		strbuf_getline(&line, fp, '\n');
		fclose(fp);
		ptr = strstr(line.buf, "\tnot-for-merge\t");
		if (ptr)
			strbuf_remove(&line, ptr-line.buf+1, 13);
		strbuf_addbuf(msg, &line);
		strbuf_release(&line);
		goto cleanup;
	}

	if (remote_head->util) {
		struct merge_remote_desc *desc;
		desc = merge_remote_util(remote_head);
		if (desc && desc->obj && desc->obj->type == OBJ_TAG) {
			strbuf_addf(msg, "%s\t\t%s '%s'\n",
				    sha1_to_hex(desc->obj->sha1),
				    typename(desc->obj->type),
				    remote);
			goto cleanup;
		}
	}
Ejemplo n.º 23
0
static void start_object_request(struct walker *walker,
				 struct object_request *obj_req)
{
	char *hex = sha1_to_hex(obj_req->sha1);
	char prevfile[PATH_MAX];
	char *url;
	char *posn;
	int prevlocal;
	unsigned char prev_buf[PREV_BUF_SIZE];
	ssize_t prev_read = 0;
	long prev_posn = 0;
	char range[RANGE_HEADER_SIZE];
	struct curl_slist *range_header = NULL;
	struct active_request_slot *slot;
	struct walker_data *data = walker->data;

	snprintf(prevfile, sizeof(prevfile), "%s.prev", obj_req->filename);
	unlink(prevfile);
	rename(obj_req->tmpfile, prevfile);
	unlink(obj_req->tmpfile);

	if (obj_req->local != -1)
		error("fd leakage in start: %d", obj_req->local);
	obj_req->local = open(obj_req->tmpfile,
			      O_WRONLY | O_CREAT | O_EXCL, 0666);
	/* This could have failed due to the "lazy directory creation";
	 * try to mkdir the last path component.
	 */
	if (obj_req->local < 0 && errno == ENOENT) {
		char *dir = strrchr(obj_req->tmpfile, '/');
		if (dir) {
			*dir = 0;
			mkdir(obj_req->tmpfile, 0777);
			*dir = '/';
		}
		obj_req->local = open(obj_req->tmpfile,
				      O_WRONLY | O_CREAT | O_EXCL, 0666);
	}

	if (obj_req->local < 0) {
		obj_req->state = ABORTED;
		error("Couldn't create temporary file %s for %s: %s",
		      obj_req->tmpfile, obj_req->filename, strerror(errno));
		return;
	}

	memset(&obj_req->stream, 0, sizeof(obj_req->stream));

	inflateInit(&obj_req->stream);

	SHA1_Init(&obj_req->c);

	url = xmalloc(strlen(obj_req->repo->base) + 51);
	obj_req->url = xmalloc(strlen(obj_req->repo->base) + 51);
	strcpy(url, obj_req->repo->base);
	posn = url + strlen(obj_req->repo->base);
	strcpy(posn, "/objects/");
	posn += 9;
	memcpy(posn, hex, 2);
	posn += 2;
	*(posn++) = '/';
	strcpy(posn, hex + 2);
	strcpy(obj_req->url, url);

	/* If a previous temp file is present, process what was already
	   fetched. */
	prevlocal = open(prevfile, O_RDONLY);
	if (prevlocal != -1) {
		do {
			prev_read = xread(prevlocal, prev_buf, PREV_BUF_SIZE);
			if (prev_read>0) {
				if (fwrite_sha1_file(prev_buf,
						     1,
						     prev_read,
						     obj_req) == prev_read) {
					prev_posn += prev_read;
				} else {
					prev_read = -1;
				}
			}
		} while (prev_read > 0);
		close(prevlocal);
	}
	unlink(prevfile);

	/* Reset inflate/SHA1 if there was an error reading the previous temp
	   file; also rewind to the beginning of the local file. */
	if (prev_read == -1) {
		memset(&obj_req->stream, 0, sizeof(obj_req->stream));
		inflateInit(&obj_req->stream);
		SHA1_Init(&obj_req->c);
		if (prev_posn>0) {
			prev_posn = 0;
			lseek(obj_req->local, 0, SEEK_SET);
			ftruncate(obj_req->local, 0);
		}
	}

	slot = get_active_slot();
	slot->callback_func = process_object_response;
	slot->callback_data = obj_req;
	obj_req->slot = slot;

	curl_easy_setopt(slot->curl, CURLOPT_FILE, obj_req);
	curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file);
	curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, obj_req->errorstr);
	curl_easy_setopt(slot->curl, CURLOPT_URL, url);
	curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, data->no_pragma_header);

	/* If we have successfully processed data from a previous fetch
	   attempt, only fetch the data we don't already have. */
	if (prev_posn>0) {
		if (walker->get_verbosely)
			fprintf(stderr,
				"Resuming fetch of object %s at byte %ld\n",
				hex, prev_posn);
		sprintf(range, "Range: bytes=%ld-", prev_posn);
		range_header = curl_slist_append(range_header, range);
		curl_easy_setopt(slot->curl,
				 CURLOPT_HTTPHEADER, range_header);
	}

	/* Try to get the request started, abort the request on error */
	obj_req->state = ACTIVE;
	if (!start_active_slot(slot)) {
		obj_req->state = ABORTED;
		obj_req->slot = NULL;
		close(obj_req->local); obj_req->local = -1;
		free(obj_req->url);
		return;
	}
}
Ejemplo n.º 24
0
static int update_local_ref(struct ref *ref,
			    const char *remote,
			    char *display)
{
	struct commit *current = NULL, *updated;
	enum object_type type;
	struct branch *current_branch = branch_get(NULL);
	const char *pretty_ref = prettify_ref(ref);

	*display = 0;
	type = sha1_object_info(ref->new_sha1, NULL);
	if (type < 0)
		die("object %s not found", sha1_to_hex(ref->new_sha1));

	if (!hashcmp(ref->old_sha1, ref->new_sha1)) {
		if (verbosity > 0)
			sprintf(display, "= %-*s %-*s -> %s", SUMMARY_WIDTH,
				"[up to date]", REFCOL_WIDTH, remote,
				pretty_ref);
		return 0;
	}

	if (current_branch &&
	    !strcmp(ref->name, current_branch->name) &&
	    !(update_head_ok || is_bare_repository()) &&
	    !is_null_sha1(ref->old_sha1)) {
		/*
		 * If this is the head, and it's not okay to update
		 * the head, and the old value of the head isn't empty...
		 */
		sprintf(display, "! %-*s %-*s -> %s  (can't fetch in current branch)",
			SUMMARY_WIDTH, "[rejected]", REFCOL_WIDTH, remote,
			pretty_ref);
		return 1;
	}

	if (!is_null_sha1(ref->old_sha1) &&
	    !prefixcmp(ref->name, "refs/tags/")) {
		int r;
		r = s_update_ref("updating tag", ref, 0);
		sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : '-',
			SUMMARY_WIDTH, "[tag update]", REFCOL_WIDTH, remote,
			pretty_ref, r ? "  (unable to update local ref)" : "");
		return r;
	}

	current = lookup_commit_reference_gently(ref->old_sha1, 1);
	updated = lookup_commit_reference_gently(ref->new_sha1, 1);
	if (!current || !updated) {
		const char *msg;
		const char *what;
		int r;
		if (!strncmp(ref->name, "refs/tags/", 10)) {
			msg = "storing tag";
			what = "[new tag]";
		}
		else {
			msg = "storing head";
			what = "[new branch]";
		}

		r = s_update_ref(msg, ref, 0);
		sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : '*',
			SUMMARY_WIDTH, what, REFCOL_WIDTH, remote, pretty_ref,
			r ? "  (unable to update local ref)" : "");
		return r;
	}

	if (in_merge_bases(current, &updated, 1)) {
		char quickref[83];
		int r;
		strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
		strcat(quickref, "..");
		strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
		r = s_update_ref("fast forward", ref, 1);
		sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : ' ',
			SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote,
			pretty_ref, r ? "  (unable to update local ref)" : "");
		return r;
	} else if (force || ref->force) {
		char quickref[84];
		int r;
		strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
		strcat(quickref, "...");
		strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
		r = s_update_ref("forced-update", ref, 1);
		sprintf(display, "%c %-*s %-*s -> %s  (%s)", r ? '!' : '+',
			SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote,
			pretty_ref,
			r ? "unable to update local ref" : "forced update");
		return r;
	} else {
		sprintf(display, "! %-*s %-*s -> %s  (non fast forward)",
			SUMMARY_WIDTH, "[rejected]", REFCOL_WIDTH, remote,
			pretty_ref);
		return 1;
	}
}
Ejemplo n.º 25
0
Archivo: log.c Proyecto: CCorreia/git
int cmd_format_patch(int argc, const char **argv, const char *prefix)
{
	struct commit *commit;
	struct commit **list = NULL;
	struct rev_info rev;
	struct setup_revision_opt s_r_opt;
	int nr = 0, total, i;
	int use_stdout = 0;
	int start_number = -1;
	int numbered_files = 0;		/* _just_ numbers */
	int ignore_if_in_upstream = 0;
	int cover_letter = 0;
	int boundary_count = 0;
	int no_binary_diff = 0;
	struct commit *origin = NULL, *head = NULL;
	const char *in_reply_to = NULL;
	struct patch_ids ids;
	char *add_signoff = NULL;
	struct strbuf buf = STRBUF_INIT;
	int use_patch_format = 0;
	int quiet = 0;
	char *branch_name = NULL;
	const struct option builtin_format_patch_options[] = {
		{ OPTION_CALLBACK, 'n', "numbered", &numbered, NULL,
			    "use [PATCH n/m] even with a single patch",
			    PARSE_OPT_NOARG, numbered_callback },
		{ OPTION_CALLBACK, 'N', "no-numbered", &numbered, NULL,
			    "use [PATCH] even with multiple patches",
			    PARSE_OPT_NOARG, no_numbered_callback },
		OPT_BOOLEAN('s', "signoff", &do_signoff, "add Signed-off-by:"),
		OPT_BOOLEAN(0, "stdout", &use_stdout,
			    "print patches to standard out"),
		OPT_BOOLEAN(0, "cover-letter", &cover_letter,
			    "generate a cover letter"),
		OPT_BOOLEAN(0, "numbered-files", &numbered_files,
			    "use simple number sequence for output file names"),
		OPT_STRING(0, "suffix", &fmt_patch_suffix, "sfx",
			    "use <sfx> instead of '.patch'"),
		OPT_INTEGER(0, "start-number", &start_number,
			    "start numbering patches at <n> instead of 1"),
		{ OPTION_CALLBACK, 0, "subject-prefix", &rev, "prefix",
			    "Use [<prefix>] instead of [PATCH]",
			    PARSE_OPT_NONEG, subject_prefix_callback },
		{ OPTION_CALLBACK, 'o', "output-directory", &output_directory,
			    "dir", "store resulting files in <dir>",
			    PARSE_OPT_NONEG, output_directory_callback },
		{ OPTION_CALLBACK, 'k', "keep-subject", &rev, NULL,
			    "don't strip/add [PATCH]",
			    PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback },
		OPT_BOOLEAN(0, "no-binary", &no_binary_diff,
			    "don't output binary diffs"),
		OPT_BOOLEAN(0, "ignore-if-in-upstream", &ignore_if_in_upstream,
			    "don't include a patch matching a commit upstream"),
		{ OPTION_BOOLEAN, 'p', "no-stat", &use_patch_format, NULL,
		  "show patch format instead of default (patch + stat)",
		  PARSE_OPT_NONEG | PARSE_OPT_NOARG },
		OPT_GROUP("Messaging"),
		{ OPTION_CALLBACK, 0, "add-header", NULL, "header",
			    "add email header", 0, header_callback },
		{ OPTION_CALLBACK, 0, "to", NULL, "email", "add To: header",
			    0, to_callback },
		{ OPTION_CALLBACK, 0, "cc", NULL, "email", "add Cc: header",
			    0, cc_callback },
		OPT_STRING(0, "in-reply-to", &in_reply_to, "message-id",
			    "make first mail a reply to <message-id>"),
		{ OPTION_CALLBACK, 0, "attach", &rev, "boundary",
			    "attach the patch", PARSE_OPT_OPTARG,
			    attach_callback },
		{ OPTION_CALLBACK, 0, "inline", &rev, "boundary",
			    "inline the patch",
			    PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
			    inline_callback },
		{ OPTION_CALLBACK, 0, "thread", &thread, "style",
			    "enable message threading, styles: shallow, deep",
			    PARSE_OPT_OPTARG, thread_callback },
		OPT_STRING(0, "signature", &signature, "signature",
			    "add a signature"),
		OPT_BOOLEAN(0, "quiet", &quiet,
			    "don't print the patch filenames"),
		OPT_END()
	};

	extra_hdr.strdup_strings = 1;
	extra_to.strdup_strings = 1;
	extra_cc.strdup_strings = 1;
	git_config(git_format_config, NULL);
	init_revisions(&rev, prefix);
	rev.commit_format = CMIT_FMT_EMAIL;
	rev.verbose_header = 1;
	rev.diff = 1;
	rev.max_parents = 1;
	DIFF_OPT_SET(&rev.diffopt, RECURSIVE);
	rev.subject_prefix = fmt_patch_subject_prefix;
	memset(&s_r_opt, 0, sizeof(s_r_opt));
	s_r_opt.def = "HEAD";

	if (default_attach) {
		rev.mime_boundary = default_attach;
		rev.no_inline = 1;
	}

	/*
	 * Parse the arguments before setup_revisions(), or something
	 * like "git format-patch -o a123 HEAD^.." may fail; a123 is
	 * possibly a valid SHA1.
	 */
	argc = parse_options(argc, argv, prefix, builtin_format_patch_options,
			     builtin_format_patch_usage,
			     PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN |
			     PARSE_OPT_KEEP_DASHDASH);

	if (do_signoff) {
		const char *committer;
		const char *endpos;
		committer = git_committer_info(IDENT_ERROR_ON_NO_NAME);
		endpos = strchr(committer, '>');
		if (!endpos)
			die(_("bogus committer info %s"), committer);
		add_signoff = xmemdupz(committer, endpos - committer + 1);
	}

	for (i = 0; i < extra_hdr.nr; i++) {
		strbuf_addstr(&buf, extra_hdr.items[i].string);
		strbuf_addch(&buf, '\n');
	}

	if (extra_to.nr)
		strbuf_addstr(&buf, "To: ");
	for (i = 0; i < extra_to.nr; i++) {
		if (i)
			strbuf_addstr(&buf, "    ");
		strbuf_addstr(&buf, extra_to.items[i].string);
		if (i + 1 < extra_to.nr)
			strbuf_addch(&buf, ',');
		strbuf_addch(&buf, '\n');
	}

	if (extra_cc.nr)
		strbuf_addstr(&buf, "Cc: ");
	for (i = 0; i < extra_cc.nr; i++) {
		if (i)
			strbuf_addstr(&buf, "    ");
		strbuf_addstr(&buf, extra_cc.items[i].string);
		if (i + 1 < extra_cc.nr)
			strbuf_addch(&buf, ',');
		strbuf_addch(&buf, '\n');
	}

	rev.extra_headers = strbuf_detach(&buf, NULL);

	if (start_number < 0)
		start_number = 1;

	/*
	 * If numbered is set solely due to format.numbered in config,
	 * and it would conflict with --keep-subject (-k) from the
	 * command line, reset "numbered".
	 */
	if (numbered && keep_subject && !numbered_cmdline_opt)
		numbered = 0;

	if (numbered && keep_subject)
		die (_("-n and -k are mutually exclusive."));
	if (keep_subject && subject_prefix)
		die (_("--subject-prefix and -k are mutually exclusive."));
	rev.preserve_subject = keep_subject;

	argc = setup_revisions(argc, argv, &rev, &s_r_opt);
	if (argc > 1)
		die (_("unrecognized argument: %s"), argv[1]);

	if (rev.diffopt.output_format & DIFF_FORMAT_NAME)
		die(_("--name-only does not make sense"));
	if (rev.diffopt.output_format & DIFF_FORMAT_NAME_STATUS)
		die(_("--name-status does not make sense"));
	if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF)
		die(_("--check does not make sense"));

	if (!use_patch_format &&
		(!rev.diffopt.output_format ||
		 rev.diffopt.output_format == DIFF_FORMAT_PATCH))
		rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY;

	/* Always generate a patch */
	rev.diffopt.output_format |= DIFF_FORMAT_PATCH;

	if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff)
		DIFF_OPT_SET(&rev.diffopt, BINARY);

	if (rev.show_notes)
		init_display_notes(&rev.notes_opt);

	if (!use_stdout)
		output_directory = set_outdir(prefix, output_directory);
	else
		setup_pager();

	if (output_directory) {
		if (use_stdout)
			die(_("standard output, or directory, which one?"));
		if (mkdir(output_directory, 0777) < 0 && errno != EEXIST)
			die_errno(_("Could not create directory '%s'"),
				  output_directory);
	}

	if (rev.pending.nr == 1) {
		if (rev.max_count < 0 && !rev.show_root_diff) {
			/*
			 * This is traditional behaviour of "git format-patch
			 * origin" that prepares what the origin side still
			 * does not have.
			 */
			unsigned char sha1[20];
			const char *ref;

			rev.pending.objects[0].item->flags |= UNINTERESTING;
			add_head_to_pending(&rev);
			ref = resolve_ref_unsafe("HEAD", sha1, 1, NULL);
			if (ref && !prefixcmp(ref, "refs/heads/"))
				branch_name = xstrdup(ref + strlen("refs/heads/"));
			else
				branch_name = xstrdup(""); /* no branch */
		}
		/*
		 * Otherwise, it is "format-patch -22 HEAD", and/or
		 * "format-patch --root HEAD".  The user wants
		 * get_revision() to do the usual traversal.
		 */
	}

	/*
	 * We cannot move this anywhere earlier because we do want to
	 * know if --root was given explicitly from the command line.
	 */
	rev.show_root_diff = 1;

	if (cover_letter) {
		/*
		 * NEEDSWORK:randomly pick one positive commit to show
		 * diffstat; this is often the tip and the command
		 * happens to do the right thing in most cases, but a
		 * complex command like "--cover-letter a b c ^bottom"
		 * picks "c" and shows diffstat between bottom..c
		 * which may not match what the series represents at
		 * all and totally broken.
		 */
		int i;
		for (i = 0; i < rev.pending.nr; i++) {
			struct object *o = rev.pending.objects[i].item;
			if (!(o->flags & UNINTERESTING))
				head = (struct commit *)o;
		}
		/* There is nothing to show; it is not an error, though. */
		if (!head)
			return 0;
		if (!branch_name)
			branch_name = find_branch_name(&rev);
	}

	if (ignore_if_in_upstream) {
		/* Don't say anything if head and upstream are the same. */
		if (rev.pending.nr == 2) {
			struct object_array_entry *o = rev.pending.objects;
			if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
				return 0;
		}
		get_patch_ids(&rev, &ids, prefix);
	}

	if (!use_stdout)
		realstdout = xfdopen(xdup(1), "w");

	if (prepare_revision_walk(&rev))
		die(_("revision walk setup failed"));
	rev.boundary = 1;
	while ((commit = get_revision(&rev)) != NULL) {
		if (commit->object.flags & BOUNDARY) {
			boundary_count++;
			origin = (boundary_count == 1) ? commit : NULL;
			continue;
		}

		if (ignore_if_in_upstream &&
				has_commit_patch_id(commit, &ids))
			continue;

		nr++;
		list = xrealloc(list, nr * sizeof(list[0]));
		list[nr - 1] = commit;
	}
	total = nr;
	if (!keep_subject && auto_number && total > 1)
		numbered = 1;
	if (numbered)
		rev.total = total + start_number - 1;
	if (in_reply_to || thread || cover_letter)
		rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
	if (in_reply_to) {
		const char *msgid = clean_message_id(in_reply_to);
		string_list_append(rev.ref_message_ids, msgid);
	}
	rev.numbered_files = numbered_files;
	rev.patch_suffix = fmt_patch_suffix;
	if (cover_letter) {
		if (thread)
			gen_message_id(&rev, "cover");
		make_cover_letter(&rev, use_stdout, numbered, numbered_files,
				  origin, nr, list, head, branch_name, quiet);
		total++;
		start_number--;
	}
	rev.add_signoff = add_signoff;
	while (0 <= --nr) {
		int shown;
		commit = list[nr];
		rev.nr = total - nr + (start_number - 1);
		/* Make the second and subsequent mails replies to the first */
		if (thread) {
			/* Have we already had a message ID? */
			if (rev.message_id) {
				/*
				 * For deep threading: make every mail
				 * a reply to the previous one, no
				 * matter what other options are set.
				 *
				 * For shallow threading:
				 *
				 * Without --cover-letter and
				 * --in-reply-to, make every mail a
				 * reply to the one before.
				 *
				 * With --in-reply-to but no
				 * --cover-letter, make every mail a
				 * reply to the <reply-to>.
				 *
				 * With --cover-letter, make every
				 * mail but the cover letter a reply
				 * to the cover letter.  The cover
				 * letter is a reply to the
				 * --in-reply-to, if specified.
				 */
				if (thread == THREAD_SHALLOW
				    && rev.ref_message_ids->nr > 0
				    && (!cover_letter || rev.nr > 1))
					free(rev.message_id);
				else
					string_list_append(rev.ref_message_ids,
							   rev.message_id);
			}
			gen_message_id(&rev, sha1_to_hex(commit->object.sha1));
		}

		if (!use_stdout && reopen_stdout(numbered_files ? NULL : commit,
						 &rev, quiet))
			die(_("Failed to create output files"));
		shown = log_tree_commit(&rev, commit);
		free(commit->buffer);
		commit->buffer = NULL;

		/* We put one extra blank line between formatted
		 * patches and this flag is used by log-tree code
		 * to see if it needs to emit a LF before showing
		 * the log; when using one file per patch, we do
		 * not want the extra blank line.
		 */
		if (!use_stdout)
			rev.shown_one = 0;
		if (shown) {
			if (rev.mime_boundary)
				printf("\n--%s%s--\n\n\n",
				       mime_boundary_leader,
				       rev.mime_boundary);
			else
				print_signature();
		}
		if (!use_stdout)
			fclose(stdout);
	}
	free(list);
	free(branch_name);
	string_list_clear(&extra_to, 0);
	string_list_clear(&extra_cc, 0);
	string_list_clear(&extra_hdr, 0);
	if (ignore_if_in_upstream)
		free_patch_ids(&ids);
	return 0;
}
Ejemplo n.º 26
0
static int store_updated_refs(const char *url, const char *remote_name,
		struct ref *ref_map)
{
	FILE *fp;
	struct commit *commit;
	int url_len, i, note_len, shown_url = 0, rc = 0;
	char note[1024];
	const char *what, *kind;
	struct ref *rm;
	char *filename = git_path("FETCH_HEAD");

	fp = fopen(filename, "a");
	if (!fp)
		return error("cannot open %s: %s\n", filename, strerror(errno));
	for (rm = ref_map; rm; rm = rm->next) {
		struct ref *ref = NULL;

		if (rm->peer_ref) {
			ref = xcalloc(1, sizeof(*ref) + strlen(rm->peer_ref->name) + 1);
			strcpy(ref->name, rm->peer_ref->name);
			hashcpy(ref->old_sha1, rm->peer_ref->old_sha1);
			hashcpy(ref->new_sha1, rm->old_sha1);
			ref->force = rm->peer_ref->force;
		}

		commit = lookup_commit_reference_gently(rm->old_sha1, 1);
		if (!commit)
			rm->merge = 0;

		if (!strcmp(rm->name, "HEAD")) {
			kind = "";
			what = "";
		}
		else if (!prefixcmp(rm->name, "refs/heads/")) {
			kind = "branch";
			what = rm->name + 11;
		}
		else if (!prefixcmp(rm->name, "refs/tags/")) {
			kind = "tag";
			what = rm->name + 10;
		}
		else if (!prefixcmp(rm->name, "refs/remotes/")) {
			kind = "remote branch";
			what = rm->name + 13;
		}
		else {
			kind = "";
			what = rm->name;
		}

		url_len = strlen(url);
		for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
			;
		url_len = i + 1;
		if (4 < i && !strncmp(".git", url + i - 3, 4))
			url_len = i - 3;

		note_len = 0;
		if (*what) {
			if (*kind)
				note_len += sprintf(note + note_len, "%s ",
						    kind);
			note_len += sprintf(note + note_len, "'%s' of ", what);
		}
		note_len += sprintf(note + note_len, "%.*s", url_len, url);
		fprintf(fp, "%s\t%s\t%s\n",
			sha1_to_hex(commit ? commit->object.sha1 :
				    rm->old_sha1),
			rm->merge ? "" : "not-for-merge",
			note);

		if (ref)
			rc |= update_local_ref(ref, what, note);
		else
			sprintf(note, "* %-*s %-*s -> FETCH_HEAD",
				SUMMARY_WIDTH, *kind ? kind : "branch",
				 REFCOL_WIDTH, *what ? what : "HEAD");
		if (*note) {
			if (verbosity >= 0 && !shown_url) {
				fprintf(stderr, "From %.*s\n",
						url_len, url);
				shown_url = 1;
			}
			if (verbosity >= 0)
				fprintf(stderr, " %s\n", note);
		}
	}
	fclose(fp);
	if (rc & 2)
		error("some local refs could not be updated; try running\n"
		      " 'git remote prune %s' to remove any old, conflicting "
		      "branches", remote_name);
	return rc;
}
Ejemplo n.º 27
0
Archivo: log.c Proyecto: CCorreia/git
static void make_cover_letter(struct rev_info *rev, int use_stdout,
			      int numbered, int numbered_files,
			      struct commit *origin,
			      int nr, struct commit **list, struct commit *head,
			      const char *branch_name,
			      int quiet)
{
	const char *committer;
	const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n";
	const char *msg;
	struct shortlog log;
	struct strbuf sb = STRBUF_INIT;
	int i;
	const char *encoding = "UTF-8";
	struct diff_options opts;
	int need_8bit_cte = 0;
	struct commit *commit = NULL;
	struct pretty_print_context pp = {0};

	if (rev->commit_format != CMIT_FMT_EMAIL)
		die(_("Cover letter needs email format"));

	committer = git_committer_info(0);

	if (!numbered_files) {
		/*
		 * We fake a commit for the cover letter so we get the filename
		 * desired.
		 */
		commit = xcalloc(1, sizeof(*commit));
		commit->buffer = xmalloc(400);
		snprintf(commit->buffer, 400,
			"tree 0000000000000000000000000000000000000000\n"
			"parent %s\n"
			"author %s\n"
			"committer %s\n\n"
			"cover letter\n",
			sha1_to_hex(head->object.sha1), committer, committer);
	}

	if (!use_stdout && reopen_stdout(commit, rev, quiet))
		return;

	if (commit) {

		free(commit->buffer);
		free(commit);
	}

	log_write_email_headers(rev, head, &pp.subject, &pp.after_subject,
				&need_8bit_cte);

	for (i = 0; !need_8bit_cte && i < nr; i++)
		if (has_non_ascii(list[i]->buffer))
			need_8bit_cte = 1;

	msg = body;
	pp.fmt = CMIT_FMT_EMAIL;
	pp.date_mode = DATE_RFC2822;
	pp_user_info(&pp, NULL, &sb, committer, encoding);
	pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte);
	pp_remainder(&pp, &msg, &sb, 0);
	add_branch_description(&sb, branch_name);
	printf("%s\n", sb.buf);

	strbuf_release(&sb);

	shortlog_init(&log);
	log.wrap_lines = 1;
	log.wrap = 72;
	log.in1 = 2;
	log.in2 = 4;
	for (i = 0; i < nr; i++)
		shortlog_add_commit(&log, list[i]);

	shortlog_output(&log);

	/*
	 * We can only do diffstat with a unique reference point
	 */
	if (!origin)
		return;

	memcpy(&opts, &rev->diffopt, sizeof(opts));
	opts.output_format = DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;

	diff_setup_done(&opts);

	diff_tree_sha1(origin->tree->object.sha1,
		       head->tree->object.sha1,
		       "", &opts);
	diffcore_std(&opts);
	diff_flush(&opts);

	printf("\n");
	print_signature();
}
Ejemplo n.º 28
0
static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
				const char *placeholder,
				void *context)
{
	struct format_commit_context *c = context;
	const struct commit *commit = c->commit;
	const char *msg = c->message;
	struct commit_list *p;
	int h1, h2;

	/* these are independent of the commit */
	switch (placeholder[0]) {
	case 'C':
		if (starts_with(placeholder + 1, "(auto)")) {
			c->auto_color = 1;
			return 7; /* consumed 7 bytes, "C(auto)" */
		} else {
			int ret = parse_color(sb, placeholder, c);
			if (ret)
				c->auto_color = 0;
			/*
			 * Otherwise, we decided to treat %C<unknown>
			 * as a literal string, and the previous
			 * %C(auto) is still valid.
			 */
			return ret;
		}
	case 'n':		/* newline */
		strbuf_addch(sb, '\n');
		return 1;
	case 'x':
		/* %x00 == NUL, %x0a == LF, etc. */
		if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) &&
		    h1 <= 16 &&
		    0 <= (h2 = hexval_table[0xff & placeholder[2]]) &&
		    h2 <= 16) {
			strbuf_addch(sb, (h1<<4)|h2);
			return 3;
		} else
			return 0;
	case 'w':
		if (placeholder[1] == '(') {
			unsigned long width = 0, indent1 = 0, indent2 = 0;
			char *next;
			const char *start = placeholder + 2;
			const char *end = strchr(start, ')');
			if (!end)
				return 0;
			if (end > start) {
				width = strtoul(start, &next, 10);
				if (*next == ',') {
					indent1 = strtoul(next + 1, &next, 10);
					if (*next == ',') {
						indent2 = strtoul(next + 1,
								 &next, 10);
					}
				}
				if (*next != ')')
					return 0;
			}
			rewrap_message_tail(sb, c, width, indent1, indent2);
			return end - placeholder + 1;
		} else
			return 0;

	case '<':
	case '>':
		return parse_padding_placeholder(sb, placeholder, c);
	}

	/* these depend on the commit */
	if (!commit->object.parsed)
		parse_object(commit->object.sha1);

	switch (placeholder[0]) {
	case 'H':		/* commit hash */
		strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT));
		strbuf_addstr(sb, sha1_to_hex(commit->object.sha1));
		strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
		return 1;
	case 'h':		/* abbreviated commit hash */
		strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT));
		if (add_again(sb, &c->abbrev_commit_hash)) {
			strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
			return 1;
		}
		strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1,
						     c->pretty_ctx->abbrev));
		strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_RESET));
		c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
		return 1;
	case 'T':		/* tree hash */
		strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1));
		return 1;
	case 't':		/* abbreviated tree hash */
		if (add_again(sb, &c->abbrev_tree_hash))
			return 1;
		strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1,
						     c->pretty_ctx->abbrev));
		c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
		return 1;
	case 'P':		/* parent hashes */
		for (p = commit->parents; p; p = p->next) {
			if (p != commit->parents)
				strbuf_addch(sb, ' ');
			strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1));
		}
		return 1;
	case 'p':		/* abbreviated parent hashes */
		if (add_again(sb, &c->abbrev_parent_hashes))
			return 1;
		for (p = commit->parents; p; p = p->next) {
			if (p != commit->parents)
				strbuf_addch(sb, ' ');
			strbuf_addstr(sb, find_unique_abbrev(
					p->item->object.sha1,
					c->pretty_ctx->abbrev));
		}
		c->abbrev_parent_hashes.len = sb->len -
		                              c->abbrev_parent_hashes.off;
		return 1;
	case 'm':		/* left/right/bottom */
		strbuf_addstr(sb, get_revision_mark(NULL, commit));
		return 1;
	case 'd':
		load_ref_decorations(DECORATE_SHORT_REFS);
		format_decorations(sb, commit, c->auto_color);
		return 1;
	case 'D':
		load_ref_decorations(DECORATE_SHORT_REFS);
		format_decorations_extended(sb, commit, c->auto_color, "", ", ", "");
		return 1;
	case 'g':		/* reflog info */
		switch(placeholder[1]) {
		case 'd':	/* reflog selector */
		case 'D':
			if (c->pretty_ctx->reflog_info)
				get_reflog_selector(sb,
						    c->pretty_ctx->reflog_info,
						    c->pretty_ctx->date_mode,
						    c->pretty_ctx->date_mode_explicit,
						    (placeholder[1] == 'd'));
			return 2;
		case 's':	/* reflog message */
			if (c->pretty_ctx->reflog_info)
				get_reflog_message(sb, c->pretty_ctx->reflog_info);
			return 2;
		case 'n':
		case 'N':
		case 'e':
		case 'E':
			return format_reflog_person(sb,
						    placeholder[1],
						    c->pretty_ctx->reflog_info,
						    c->pretty_ctx->date_mode);
		}
		return 0;	/* unknown %g placeholder */
	case 'N':
		if (c->pretty_ctx->notes_message) {
			strbuf_addstr(sb, c->pretty_ctx->notes_message);
			return 1;
		}
		return 0;
	}

	if (placeholder[0] == 'G') {
		if (!c->signature_check.result)
			check_commit_signature(c->commit, &(c->signature_check));
		switch (placeholder[1]) {
		case 'G':
			if (c->signature_check.gpg_output)
				strbuf_addstr(sb, c->signature_check.gpg_output);
			break;
		case '?':
			switch (c->signature_check.result) {
			case 'G':
			case 'B':
			case 'U':
			case 'N':
				strbuf_addch(sb, c->signature_check.result);
			}
			break;
		case 'S':
			if (c->signature_check.signer)
				strbuf_addstr(sb, c->signature_check.signer);
			break;
		case 'K':
			if (c->signature_check.key)
				strbuf_addstr(sb, c->signature_check.key);
			break;
		default:
			return 0;
		}
		return 2;
	}


	/* For the rest we have to parse the commit header. */
	if (!c->commit_header_parsed)
		parse_commit_header(c);

	switch (placeholder[0]) {
	case 'a':	/* author ... */
		return format_person_part(sb, placeholder[1],
				   msg + c->author.off, c->author.len,
				   c->pretty_ctx->date_mode);
	case 'c':	/* committer ... */
		return format_person_part(sb, placeholder[1],
				   msg + c->committer.off, c->committer.len,
				   c->pretty_ctx->date_mode);
	case 'e':	/* encoding */
		if (c->commit_encoding)
			strbuf_addstr(sb, c->commit_encoding);
		return 1;
	case 'B':	/* raw body */
		/* message_off is always left at the initial newline */
		strbuf_addstr(sb, msg + c->message_off + 1);
		return 1;
	}

	/* Now we need to parse the commit message. */
	if (!c->commit_message_parsed)
		parse_commit_message(c);

	switch (placeholder[0]) {
	case 's':	/* subject */
		format_subject(sb, msg + c->subject_off, " ");
		return 1;
	case 'f':	/* sanitized subject */
		format_sanitized_subject(sb, msg + c->subject_off);
		return 1;
	case 'b':	/* body */
		strbuf_addstr(sb, msg + c->body_off);
		return 1;
	}
	return 0;	/* unknown placeholder */
}
Ejemplo n.º 29
0
static int everything_local(struct ref **refs, int nr_match, char **match)
{
	struct ref *ref;
	int retval;
	unsigned long cutoff = 0;

	save_commit_buffer = 0;

	for (ref = *refs; ref; ref = ref->next) {
		struct object *o;

		o = parse_object(ref->old_sha1);
		if (!o)
			continue;

		/* We already have it -- which may mean that we were
		 * in sync with the other side at some time after
		 * that (it is OK if we guess wrong here).
		 */
		if (o->type == OBJ_COMMIT) {
			struct commit *commit = (struct commit *)o;
			if (!cutoff || cutoff < commit->date)
				cutoff = commit->date;
		}
	}

	if (!args.depth) {
		for_each_ref(mark_complete, NULL);
		if (cutoff)
			mark_recent_complete_commits(cutoff);
	}

	/*
	 * Mark all complete remote refs as common refs.
	 * Don't mark them common yet; the server has to be told so first.
	 */
	for (ref = *refs; ref; ref = ref->next) {
		struct object *o = deref_tag(lookup_object(ref->old_sha1),
					     NULL, 0);

		if (!o || o->type != OBJ_COMMIT || !(o->flags & COMPLETE))
			continue;

		if (!(o->flags & SEEN)) {
			rev_list_push((struct commit *)o, COMMON_REF | SEEN);

			mark_common((struct commit *)o, 1, 1);
		}
	}

	filter_refs(refs, nr_match, match);

	for (retval = 1, ref = *refs; ref ; ref = ref->next) {
		const unsigned char *remote = ref->old_sha1;
		unsigned char local[20];
		struct object *o;

		o = lookup_object(remote);
		if (!o || !(o->flags & COMPLETE)) {
			retval = 0;
			if (!args.verbose)
				continue;
			fprintf(stderr,
				"want %s (%s)\n", sha1_to_hex(remote),
				ref->name);
			continue;
		}

		hashcpy(ref->new_sha1, local);
		if (!args.verbose)
			continue;
		fprintf(stderr,
			"already have %s (%s)\n", sha1_to_hex(remote),
			ref->name);
	}
	return retval;
}
Ejemplo n.º 30
0
static const char *update(struct command *cmd, struct shallow_info *si)
{
	const char *name = cmd->ref_name;
	struct strbuf namespaced_name_buf = STRBUF_INIT;
	const char *namespaced_name, *ret;
	unsigned char *old_sha1 = cmd->old_sha1;
	unsigned char *new_sha1 = cmd->new_sha1;

	/* only refs/... are allowed */
	if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) {
		rp_error("refusing to create funny ref '%s' remotely", name);
		return "funny refname";
	}

	strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name);
	namespaced_name = strbuf_detach(&namespaced_name_buf, NULL);

	if (is_ref_checked_out(namespaced_name)) {
		switch (deny_current_branch) {
		case DENY_IGNORE:
			break;
		case DENY_WARN:
			rp_warning("updating the current branch");
			break;
		case DENY_REFUSE:
		case DENY_UNCONFIGURED:
			rp_error("refusing to update checked out branch: %s", name);
			if (deny_current_branch == DENY_UNCONFIGURED)
				refuse_unconfigured_deny();
			return "branch is currently checked out";
		case DENY_UPDATE_INSTEAD:
			ret = update_worktree(new_sha1);
			if (ret)
				return ret;
			break;
		}
	}

	if (!is_null_sha1(new_sha1) && !has_sha1_file(new_sha1)) {
		error("unpack should have generated %s, "
		      "but I can't find it!", sha1_to_hex(new_sha1));
		return "bad pack";
	}

	if (!is_null_sha1(old_sha1) && is_null_sha1(new_sha1)) {
		if (deny_deletes && starts_with(name, "refs/heads/")) {
			rp_error("denying ref deletion for %s", name);
			return "deletion prohibited";
		}

		if (head_name && !strcmp(namespaced_name, head_name)) {
			switch (deny_delete_current) {
			case DENY_IGNORE:
				break;
			case DENY_WARN:
				rp_warning("deleting the current branch");
				break;
			case DENY_REFUSE:
			case DENY_UNCONFIGURED:
			case DENY_UPDATE_INSTEAD:
				if (deny_delete_current == DENY_UNCONFIGURED)
					refuse_unconfigured_deny_delete_current();
				rp_error("refusing to delete the current branch: %s", name);
				return "deletion of the current branch prohibited";
			default:
				return "Invalid denyDeleteCurrent setting";
			}
		}
	}

	if (deny_non_fast_forwards && !is_null_sha1(new_sha1) &&
	    !is_null_sha1(old_sha1) &&
	    starts_with(name, "refs/heads/")) {
		struct object *old_object, *new_object;
		struct commit *old_commit, *new_commit;

		old_object = parse_object(old_sha1);
		new_object = parse_object(new_sha1);

		if (!old_object || !new_object ||
		    old_object->type != OBJ_COMMIT ||
		    new_object->type != OBJ_COMMIT) {
			error("bad sha1 objects for %s", name);
			return "bad ref";
		}
		old_commit = (struct commit *)old_object;
		new_commit = (struct commit *)new_object;
		if (!in_merge_bases(old_commit, new_commit)) {
			rp_error("denying non-fast-forward %s"
				 " (you should pull first)", name);
			return "non-fast-forward";
		}
	}
	if (run_update_hook(cmd)) {
		rp_error("hook declined to update %s", name);
		return "hook declined";
	}

	if (is_null_sha1(new_sha1)) {
		struct strbuf err = STRBUF_INIT;
		if (!parse_object(old_sha1)) {
			old_sha1 = NULL;
			if (ref_exists(name)) {
				rp_warning("Allowing deletion of corrupt ref.");
			} else {
				rp_warning("Deleting a non-existent ref.");
				cmd->did_not_exist = 1;
			}
		}
		if (ref_transaction_delete(transaction,
					   namespaced_name,
					   old_sha1,
					   0, "push", &err)) {
			rp_error("%s", err.buf);
			strbuf_release(&err);
			return "failed to delete";
		}
		strbuf_release(&err);
		return NULL; /* good */
	}
	else {
		struct strbuf err = STRBUF_INIT;
		if (shallow_update && si->shallow_ref[cmd->index] &&
		    update_shallow_ref(cmd, si))
			return "shallow error";

		if (ref_transaction_update(transaction,
					   namespaced_name,
					   new_sha1, old_sha1,
					   0, "push",
					   &err)) {
			rp_error("%s", err.buf);
			strbuf_release(&err);

			return "failed to update ref";
		}
		strbuf_release(&err);

		return NULL; /* good */
	}
}