Beispiel #1
0
void cgit_diff_tree(const unsigned char *old_sha1,
		    const unsigned char *new_sha1,
		    filepair_fn fn, const char *prefix, int ignorews)
{
	struct diff_options opt;
	struct pathspec_item item;

	diff_setup(&opt);
	opt.output_format = DIFF_FORMAT_CALLBACK;
	opt.detect_rename = 1;
	opt.rename_limit = ctx.cfg.renamelimit;
	DIFF_OPT_SET(&opt, RECURSIVE);
	if (ignorews)
		DIFF_XDL_SET(&opt, IGNORE_WHITESPACE);
	opt.format_callback = cgit_diff_tree_cb;
	opt.format_callback_data = fn;
	if (prefix) {
		item.match = prefix;
		item.len = strlen(prefix);
		opt.pathspec.nr = 1;
		opt.pathspec.items = &item;
	}
	diff_setup_done(&opt);

	if (old_sha1 && !is_null_sha1(old_sha1))
		diff_tree_sha1(old_sha1, new_sha1, "", &opt);
	else
		diff_root_tree_sha1(new_sha1, "", &opt);
	diffcore_std(&opt);
	diff_flush(&opt);
}
Beispiel #2
0
void check_for_new_submodule_commits(unsigned char new_sha1[20])
{
	struct rev_info rev;
	struct commit *commit;
	const char *argv[] = {NULL, NULL, "--not", "--all", NULL};
	int argc = ARRAY_SIZE(argv) - 1;

	init_revisions(&rev, NULL);
	argv[1] = xstrdup(sha1_to_hex(new_sha1));
	setup_revisions(argc, argv, &rev, NULL);
	if (prepare_revision_walk(&rev))
		die("revision walk setup failed");

	/*
	 * Collect all submodules (whether checked out or not) for which new
	 * commits have been recorded upstream in "changed_submodule_paths".
	 */
	while ((commit = get_revision(&rev))) {
		struct commit_list *parent = commit->parents;
		while (parent) {
			struct diff_options diff_opts;
			diff_setup(&diff_opts);
			diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
			diff_opts.format_callback = submodule_collect_changed_cb;
			if (diff_setup_done(&diff_opts) < 0)
				die("diff_setup_done failed");
			diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
			diffcore_std(&diff_opts);
			diff_flush(&diff_opts);
			parent = parent->next;
		}
	}
	free((char *)argv[1]);
}
Beispiel #3
0
static int check_changes_tracked_files(struct pathspec ps)
{
	int result;
	struct rev_info rev;
	struct object_id dummy;

	/* No initial commit. */
	if (get_oid("HEAD", &dummy))
		return -1;

	if (read_cache() < 0)
		return -1;

	init_revisions(&rev, NULL);
	rev.prune_data = ps;

	rev.diffopt.flags.quick = 1;
	rev.diffopt.flags.ignore_submodules = 1;
	rev.abbrev = 0;

	add_head_to_pending(&rev);
	diff_setup_done(&rev.diffopt);

	result = run_diff_index(&rev, 1);
	if (diff_result_code(&rev.diffopt, result))
		return 1;

	object_array_clear(&rev.pending);
	result = run_diff_files(&rev, 0);
	if (diff_result_code(&rev.diffopt, result))
		return 1;

	return 0;
}
Beispiel #4
0
void cgit_diff_tree(const unsigned char *old_sha1,
		    const unsigned char *new_sha1,
		    filepair_fn fn, const char *prefix)
{
	struct diff_options opt;
	int ret;
	int prefixlen;

	diff_setup(&opt);
	opt.output_format = DIFF_FORMAT_CALLBACK;
	opt.detect_rename = 1;
	opt.rename_limit = ctx.cfg.renamelimit;
	DIFF_OPT_SET(&opt, RECURSIVE);
	opt.format_callback = cgit_diff_tree_cb;
	opt.format_callback_data = fn;
	if (prefix) {
		opt.nr_paths = 1;
		opt.paths = &prefix;
		prefixlen = strlen(prefix);
		opt.pathlens = &prefixlen;
	}
	diff_setup_done(&opt);

	if (old_sha1 && !is_null_sha1(old_sha1))
		ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
	else
		ret = diff_root_tree_sha1(new_sha1, "", &opt);
	diffcore_std(&opt);
	diff_flush(&opt);
}
Beispiel #5
0
void diff_no_index(struct rev_info *revs,
		   int argc, const char **argv,
		   const char *prefix)
{
	int i, prefixlen;
	const char *paths[2];

	diff_setup(&revs->diffopt);
	for (i = 1; i < argc - 2; ) {
		int j;
		if (!strcmp(argv[i], "--no-index"))
			i++;
		else if (!strcmp(argv[i], "--"))
			i++;
		else {
			j = diff_opt_parse(&revs->diffopt, argv + i, argc - i);
			if (j <= 0)
				die("invalid diff option/value: %s", argv[i]);
			i += j;
		}
	}

	prefixlen = prefix ? strlen(prefix) : 0;
	for (i = 0; i < 2; i++) {
		const char *p = argv[argc - 2 + i];
		if (!strcmp(p, "-"))
			/*
			 * stdin should be spelled as "-"; if you have
			 * path that is "-", spell it as "./-".
			 */
			p = file_from_standard_input;
		else if (prefixlen)
			p = xstrdup(prefix_filename(prefix, prefixlen, p));
		paths[i] = p;
	}
	revs->diffopt.skip_stat_unmatch = 1;
	if (!revs->diffopt.output_format)
		revs->diffopt.output_format = DIFF_FORMAT_PATCH;

	DIFF_OPT_SET(&revs->diffopt, NO_INDEX);

	revs->max_count = -2;
	diff_setup_done(&revs->diffopt);

	setup_diff_pager(&revs->diffopt);
	DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS);

	if (queue_diff(&revs->diffopt, paths[0], paths[1]))
		exit(1);
	diff_set_mnemonic_prefix(&revs->diffopt, "1/", "2/");
	diffcore_std(&revs->diffopt);
	diff_flush(&revs->diffopt);

	/*
	 * The return code for --no-index imitates diff(1):
	 * 0 = no changes, 1 = changes, else error
	 */
	exit(diff_result_code(&revs->diffopt, 0));
}
Beispiel #6
0
/*
 * Get information of all renames which occurred between 'o_tree' and
 * 'tree'. We need the three trees in the merge ('o_tree', 'a_tree' and
 * 'b_tree') to be able to associate the correct cache entries with
 * the rename information. 'tree' is always equal to either a_tree or b_tree.
 */
static struct string_list *get_renames(struct merge_options *o,
				       struct tree *tree,
				       struct tree *o_tree,
				       struct tree *a_tree,
				       struct tree *b_tree,
				       struct string_list *entries)
{
	int i;
	struct string_list *renames;
	struct diff_options opts;

	renames = xcalloc(1, sizeof(struct string_list));
	diff_setup(&opts);
	DIFF_OPT_SET(&opts, RECURSIVE);
	opts.detect_rename = DIFF_DETECT_RENAME;
	opts.rename_limit = o->merge_rename_limit >= 0 ? o->merge_rename_limit :
			    o->diff_rename_limit >= 0 ? o->diff_rename_limit :
			    500;
	opts.warn_on_too_large_rename = 1;
	opts.output_format = DIFF_FORMAT_NO_OUTPUT;
	if (diff_setup_done(&opts) < 0)
		die("diff setup failed");
	diff_tree_sha1(o_tree->object.sha1, tree->object.sha1, "", &opts);
	diffcore_std(&opts);
	for (i = 0; i < diff_queued_diff.nr; ++i) {
		struct string_list_item *item;
		struct rename *re;
		struct diff_filepair *pair = diff_queued_diff.queue[i];
		if (pair->status != 'R') {
			diff_free_filepair(pair);
			continue;
		}
		re = xmalloc(sizeof(*re));
		re->processed = 0;
		re->pair = pair;
		item = string_list_lookup(re->pair->one->path, entries);
		if (!item)
			re->src_entry = insert_stage_data(re->pair->one->path,
					o_tree, a_tree, b_tree, entries);
		else
			re->src_entry = item->util;

		item = string_list_lookup(re->pair->two->path, entries);
		if (!item)
			re->dst_entry = insert_stage_data(re->pair->two->path,
					o_tree, a_tree, b_tree, entries);
		else
			re->dst_entry = item->util;
		item = string_list_insert(pair->one->path, renames);
		item->util = re;
	}
	opts.output_format = DIFF_FORMAT_NO_OUTPUT;
	diff_queued_diff.nr = 0;
	diff_flush(&opts);
	return renames;
}
Beispiel #7
0
int init_patch_ids(struct patch_ids *ids)
{
	memset(ids, 0, sizeof(*ids));
	diff_setup(&ids->diffopts);
	ids->diffopts.detect_rename = 0;
	DIFF_OPT_SET(&ids->diffopts, RECURSIVE);
	diff_setup_done(&ids->diffopts);
	hashmap_init(&ids->patches, (hashmap_cmp_fn)patch_id_cmp, 256);
	return 0;
}
Beispiel #8
0
int init_patch_ids(struct patch_ids *ids)
{
	memset(ids, 0, sizeof(*ids));
	diff_setup(&ids->diffopts);
	ids->diffopts.detect_rename = 0;
	ids->diffopts.flags.recursive = 1;
	diff_setup_done(&ids->diffopts);
	hashmap_init(&ids->patches, patch_id_neq, &ids->diffopts, 256);
	return 0;
}
Beispiel #9
0
/**
 * Returns 1 if there are unstaged changes, 0 otherwise.
 */
static int has_unstaged_changes(const char *prefix)
{
	struct rev_info rev_info;
	int result;

	init_revisions(&rev_info, prefix);
	DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
	DIFF_OPT_SET(&rev_info.diffopt, QUICK);
	diff_setup_done(&rev_info.diffopt);
	result = run_diff_files(&rev_info, 0);
	return diff_result_code(&rev_info.diffopt, result);
}
Beispiel #10
0
static void show_local_changes(struct object *head,
			       const struct diff_options *opts)
{
	struct rev_info rev;
	/* I think we want full paths, even if we're in a subdirectory. */
	repo_init_revisions(the_repository, &rev, NULL);
	rev.diffopt.flags = opts->flags;
	rev.diffopt.output_format |= DIFF_FORMAT_NAME_STATUS;
	diff_setup_done(&rev.diffopt);
	add_pending_object(&rev, head, NULL);
	run_diff_index(&rev, 0);
}
Beispiel #11
0
Datei: merge.c Projekt: 1tgr/git
static void finish(struct commit *head_commit,
		   struct commit_list *remoteheads,
		   const unsigned char *new_head, const char *msg)
{
	struct strbuf reflog_message = STRBUF_INIT;
	const unsigned char *head = head_commit->object.oid.hash;

	if (!msg)
		strbuf_addstr(&reflog_message, getenv("GIT_REFLOG_ACTION"));
	else {
		if (verbosity >= 0)
			printf("%s\n", msg);
		strbuf_addf(&reflog_message, "%s: %s",
			getenv("GIT_REFLOG_ACTION"), msg);
	}
	if (squash) {
		squash_message(head_commit, remoteheads);
	} else {
		if (verbosity >= 0 && !merge_msg.len)
			printf(_("No merge message -- not updating HEAD\n"));
		else {
			const char *argv_gc_auto[] = { "gc", "--auto", NULL };
			update_ref(reflog_message.buf, "HEAD",
				new_head, head, 0,
				UPDATE_REFS_DIE_ON_ERR);
			/*
			 * We ignore errors in 'gc --auto', since the
			 * user should see them.
			 */
			close_all_packs();
			run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
		}
	}
	if (new_head && show_diffstat) {
		struct diff_options opts;
		diff_setup(&opts);
		opts.stat_width = -1; /* use full terminal width */
		opts.stat_graph_width = -1; /* respect statGraphWidth config */
		opts.output_format |=
			DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
		opts.detect_rename = DIFF_DETECT_RENAME;
		diff_setup_done(&opts);
		diff_tree_sha1(head, new_head, "", &opts);
		diffcore_std(&opts);
		diff_flush(&opts);
	}

	/* Run a post-merge hook */
	run_hook_le(NULL, "post-merge", squash ? "1" : "0", NULL);

	strbuf_release(&reflog_message);
}
Beispiel #12
0
static void finish(const unsigned char *new_head, const char *msg)
{
	struct strbuf reflog_message = STRBUF_INIT;

	if (!msg)
		strbuf_addstr(&reflog_message, getenv("GIT_REFLOG_ACTION"));
	else {
		if (verbosity >= 0)
			printf("%s\n", msg);
		strbuf_addf(&reflog_message, "%s: %s",
			getenv("GIT_REFLOG_ACTION"), msg);
	}
	if (squash) {
		squash_message();
	} else {
		if (verbosity >= 0 && !merge_msg.len)
			printf(_("No merge message -- not updating HEAD\n"));
		else {
			const char *argv_gc_auto[] = { "gc", "--auto", NULL };
			update_ref(reflog_message.buf, "HEAD",
				new_head, head, 0,
				DIE_ON_ERR);
			/*
			 * We ignore errors in 'gc --auto', since the
			 * user should see them.
			 */
			run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
		}
	}
	if (new_head && show_diffstat) {
		struct diff_options opts;
		diff_setup(&opts);
		opts.output_format |=
			DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
		opts.detect_rename = DIFF_DETECT_RENAME;
		if (diff_use_color_default > 0)
			DIFF_OPT_SET(&opts, COLOR_DIFF);
		if (diff_setup_done(&opts) < 0)
			die(_("diff_setup_done failed"));
		diff_tree_sha1(head, new_head, "", &opts);
		diffcore_std(&opts);
		diff_flush(&opts);
	}

	/* Run a post-merge hook */
	run_hook(NULL, "post-merge", squash ? "1" : "0", NULL);

	strbuf_release(&reflog_message);
}
Beispiel #13
0
static void prepare_bases(struct base_tree_info *bases,
			  struct commit *base,
			  struct commit **list,
			  int total)
{
	struct commit *commit;
	struct rev_info revs;
	struct diff_options diffopt;
	int i;

	if (!base)
		return;

	diff_setup(&diffopt);
	DIFF_OPT_SET(&diffopt, RECURSIVE);
	diff_setup_done(&diffopt);

	oidcpy(&bases->base_commit, &base->object.oid);

	init_revisions(&revs, NULL);
	revs.max_parents = 1;
	revs.topo_order = 1;
	for (i = 0; i < total; i++) {
		list[i]->object.flags &= ~UNINTERESTING;
		add_pending_object(&revs, &list[i]->object, "rev_list");
		list[i]->util = (void *)1;
	}
	base->object.flags |= UNINTERESTING;
	add_pending_object(&revs, &base->object, "base");

	if (prepare_revision_walk(&revs))
		die(_("revision walk setup failed"));
	/*
	 * Traverse the commits list, get prerequisite patch ids
	 * and stuff them in bases structure.
	 */
	while ((commit = get_revision(&revs)) != NULL) {
		unsigned char sha1[20];
		struct object_id *patch_id;
		if (commit->util)
			continue;
		if (commit_patch_id(commit, &diffopt, sha1))
			die(_("cannot get patch id"));
		ALLOC_GROW(bases->patch_id, bases->nr_patch_id + 1, bases->alloc_patch_id);
		patch_id = bases->patch_id + bases->nr_patch_id;
		hashcpy(patch_id->hash, sha1);
		bases->nr_patch_id++;
	}
}
Beispiel #14
0
int main(int ac, const char **av)
{
	int stage1, stage2;

	setup_git_directory();

	git_config(git_diff_config);
	read_cache();
	diff_setup(&diff_options);
	while (1 < ac && av[1][0] == '-') {
		const char *arg = av[1];
		if (!strcmp(arg, "-r"))
			; /* as usual */
		else {
			int diff_opt_cnt;
			diff_opt_cnt = diff_opt_parse(&diff_options,
						      av+1, ac-1);
			if (diff_opt_cnt < 0)
				usage(diff_stages_usage);
			else if (diff_opt_cnt) {
				av += diff_opt_cnt;
				ac -= diff_opt_cnt;
				continue;
			}
			else
				usage(diff_stages_usage);
		}
		ac--; av++;
	}

	if (ac < 3 ||
	    sscanf(av[1], "%d", &stage1) != 1 ||
	    ! (0 <= stage1 && stage1 <= 3) ||
	    sscanf(av[2], "%d", &stage2) != 1 ||
	    ! (0 <= stage2 && stage2 <= 3))
		usage(diff_stages_usage);

	av += 3; /* The rest from av[0] are for paths restriction. */
	diff_options.paths = av;

	if (diff_setup_done(&diff_options) < 0)
		usage(diff_stages_usage);

	diff_stages(stage1, stage2);
	diffcore_std(&diff_options);
	diff_flush(&diff_options);
	return 0;
}
Beispiel #15
0
/**
 * Returns 1 if there are uncommitted changes, 0 otherwise.
 */
static int has_uncommitted_changes(const char *prefix)
{
	struct rev_info rev_info;
	int result;

	if (is_cache_unborn())
		return 0;

	init_revisions(&rev_info, prefix);
	DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
	DIFF_OPT_SET(&rev_info.diffopt, QUICK);
	add_head_to_pending(&rev_info);
	diff_setup_done(&rev_info.diffopt);
	result = run_diff_index(&rev_info, 1);
	return diff_result_code(&rev_info.diffopt, result);
}
Beispiel #16
0
static void calculate_changed_submodule_paths(void)
{
	struct rev_info rev;
	struct commit *commit;
	struct argv_array argv = ARGV_ARRAY_INIT;

	/* No need to check if there are no submodules configured */
	if (!config_name_for_path.nr)
		return;

	init_revisions(&rev, NULL);
	argv_array_push(&argv, "--"); /* argv[0] program name */
	sha1_array_for_each_unique(&ref_tips_after_fetch,
				   add_sha1_to_argv, &argv);
	argv_array_push(&argv, "--not");
	sha1_array_for_each_unique(&ref_tips_before_fetch,
				   add_sha1_to_argv, &argv);
	setup_revisions(argv.argc, argv.argv, &rev, NULL);
	if (prepare_revision_walk(&rev))
		die("revision walk setup failed");

	/*
	 * Collect all submodules (whether checked out or not) for which new
	 * commits have been recorded upstream in "changed_submodule_paths".
	 */
	while ((commit = get_revision(&rev))) {
		struct commit_list *parent = commit->parents;
		while (parent) {
			struct diff_options diff_opts;
			diff_setup(&diff_opts);
			DIFF_OPT_SET(&diff_opts, RECURSIVE);
			diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
			diff_opts.format_callback = submodule_collect_changed_cb;
			if (diff_setup_done(&diff_opts) < 0)
				die("diff_setup_done failed");
			diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
			diffcore_std(&diff_opts);
			diff_flush(&diff_opts);
			parent = parent->next;
		}
	}

	argv_array_clear(&argv);
	sha1_array_clear(&ref_tips_before_fetch);
	sha1_array_clear(&ref_tips_after_fetch);
	initialized_fetch_ref_tips = 0;
}
Beispiel #17
0
static void print_summary(const char *prefix, const unsigned char *sha1)
{
	struct rev_info rev;
	struct commit *commit;
	static const char *format = "format:%h: \"%s\"";
	unsigned char junk_sha1[20];
	const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL);

	commit = lookup_commit(sha1);
	if (!commit)
		die("couldn't look up newly created commit");
	if (!commit || parse_commit(commit))
		die("could not parse newly created commit");

	init_revisions(&rev, prefix);
	setup_revisions(0, NULL, &rev, NULL);

	rev.abbrev = 0;
	rev.diff = 1;
	rev.diffopt.output_format =
		DIFF_FORMAT_SHORTSTAT | DIFF_FORMAT_SUMMARY;

	rev.verbose_header = 1;
	rev.show_root_diff = 1;
	get_commit_format(format, &rev);
	rev.always_show_header = 0;
	rev.diffopt.detect_rename = 1;
	rev.diffopt.rename_limit = 100;
	rev.diffopt.break_opt = 0;
	diff_setup_done(&rev.diffopt);

	printf("[%s%s]: created ",
		!prefixcmp(head, "refs/heads/") ?
			head + 11 :
			!strcmp(head, "HEAD") ?
				"detached HEAD" :
				head,
		initial_commit ? " (root-commit)" : "");

	if (!log_tree_commit(&rev, commit)) {
		struct strbuf buf = STRBUF_INIT;
		format_commit_message(commit, format + 7, &buf, DATE_NORMAL);
		printf("%s\n", buf.buf);
		strbuf_release(&buf);
	}
}
Beispiel #18
0
static void print_summary(const char *prefix, const unsigned char *sha1)
{
	struct rev_info rev;
	struct commit *commit;

	commit = lookup_commit(sha1);
	if (!commit)
		die("couldn't look up newly created commit");
	if (!commit || parse_commit(commit))
		die("could not parse newly created commit");

	init_revisions(&rev, prefix);
	setup_revisions(0, NULL, &rev, NULL);

	rev.abbrev = 0;
	rev.diff = 1;
	rev.diffopt.output_format =
		DIFF_FORMAT_SHORTSTAT | DIFF_FORMAT_SUMMARY;

	rev.verbose_header = 1;
	rev.show_root_diff = 1;
	get_commit_format("format:%h: %s", &rev);
	rev.always_show_header = 0;
	rev.diffopt.detect_rename = 1;
	rev.diffopt.rename_limit = 100;
	rev.diffopt.break_opt = 0;
	diff_setup_done(&rev.diffopt);

	printf("Created %scommit ", initial_commit ? "initial " : "");

	if (!log_tree_commit(&rev, commit)) {
		struct strbuf buf = STRBUF_INIT;
		format_commit_message(commit, "%h: %s", &buf);
		printf("%s\n", buf.buf);
		strbuf_release(&buf);
	}
}
Beispiel #19
0
/*
 * We have an origin -- find the path that corresponds to it in its
 * parent and return an origin structure to represent it.
 */
static struct blame_origin *find_rename(struct commit *parent,
				  struct blame_origin *origin)
{
	struct blame_origin *porigin = NULL;
	struct diff_options diff_opts;
	int i;

	diff_setup(&diff_opts);
	DIFF_OPT_SET(&diff_opts, RECURSIVE);
	diff_opts.detect_rename = DIFF_DETECT_RENAME;
	diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT;
	diff_opts.single_follow = origin->path;
	diff_setup_done(&diff_opts);

	if (is_null_oid(&origin->commit->object.oid))
		do_diff_cache(&parent->tree->object.oid, &diff_opts);
	else
		diff_tree_oid(&parent->tree->object.oid,
			      &origin->commit->tree->object.oid,
			      "", &diff_opts);
	diffcore_std(&diff_opts);

	for (i = 0; i < diff_queued_diff.nr; i++) {
		struct diff_filepair *p = diff_queued_diff.queue[i];
		if ((p->status == 'R' || p->status == 'C') &&
		    !strcmp(p->two->path, origin->path)) {
			porigin = get_origin(parent, p->one->path);
			oidcpy(&porigin->blob_oid, &p->one->oid);
			porigin->mode = p->one->mode;
			break;
		}
	}
	diff_flush(&diff_opts);
	clear_pathspec(&diff_opts.pathspec);
	return porigin;
}
Beispiel #20
0
static void print_summary(const char *prefix, const unsigned char *sha1,
			  int initial_commit)
{
	struct rev_info rev;
	struct commit *commit;
	struct strbuf format = STRBUF_INIT;
	unsigned char junk_sha1[20];
	const char *head;
	struct pretty_print_context pctx = {0};
	struct strbuf author_ident = STRBUF_INIT;
	struct strbuf committer_ident = STRBUF_INIT;

	commit = lookup_commit(sha1);
	if (!commit)
		die(_("couldn't look up newly created commit"));
	if (parse_commit(commit))
		die(_("could not parse newly created commit"));

	strbuf_addstr(&format, "format:%h] %s");

	format_commit_message(commit, "%an <%ae>", &author_ident, &pctx);
	format_commit_message(commit, "%cn <%ce>", &committer_ident, &pctx);
	if (strbuf_cmp(&author_ident, &committer_ident)) {
		strbuf_addstr(&format, "\n Author: ");
		strbuf_addbuf_percentquote(&format, &author_ident);
	}
	if (!committer_ident_sufficiently_given()) {
		strbuf_addstr(&format, "\n Committer: ");
		strbuf_addbuf_percentquote(&format, &committer_ident);
		if (advice_implicit_identity) {
			strbuf_addch(&format, '\n');
			strbuf_addstr(&format, _(implicit_ident_advice));
		}
	}
	strbuf_release(&author_ident);
	strbuf_release(&committer_ident);

	init_revisions(&rev, prefix);
	setup_revisions(0, NULL, &rev, NULL);

	rev.diff = 1;
	rev.diffopt.output_format =
		DIFF_FORMAT_SHORTSTAT | DIFF_FORMAT_SUMMARY;

	rev.verbose_header = 1;
	rev.show_root_diff = 1;
	get_commit_format(format.buf, &rev);
	rev.always_show_header = 0;
	rev.diffopt.detect_rename = 1;
	rev.diffopt.break_opt = 0;
	diff_setup_done(&rev.diffopt);

	head = resolve_ref_unsafe("HEAD", junk_sha1, 0, NULL);
	printf("[%s%s ",
		starts_with(head, "refs/heads/") ?
			head + 11 :
			!strcmp(head, "HEAD") ?
				_("detached HEAD") :
				head,
		initial_commit ? _(" (root-commit)") : "");

	if (!log_tree_commit(&rev, commit)) {
		rev.always_show_header = 1;
		rev.use_terminator = 1;
		log_tree_commit(&rev, commit);
	}

	strbuf_release(&format);
}
Beispiel #21
0
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 *committer;
	const char *subject_start = NULL;
	const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n";
	const char *msg;
	const char *extra_headers = rev->extra_headers;
	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;

	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))
		return;

	if (commit) {

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

	log_write_email_headers(rev, head, &subject_start, &extra_headers,
				&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_user_info(NULL, CMIT_FMT_EMAIL, &sb, committer, DATE_RFC2822,
		     encoding);
	pp_title_line(CMIT_FMT_EMAIL, &msg, &sb, subject_start, extra_headers,
		      encoding, need_8bit_cte);
	pp_remainder(CMIT_FMT_EMAIL, &msg, &sb, 0);
	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");
}
Beispiel #22
0
int cmd_diff(int argc, const char **argv, const char *prefix)
{
	int i;
	struct rev_info rev;
	struct object_array_entry ent[100];
	int ents = 0, blobs = 0, paths = 0;
	const char *path = NULL;
	struct blobinfo blob[2];
	int nongit;
	int result = 0;

	/*
	 * We could get N tree-ish in the rev.pending_objects list.
	 * Also there could be M blobs there, and P pathspecs.
	 *
	 * N=0, M=0:
	 *	cache vs files (diff-files)
	 * N=0, M=2:
	 *      compare two random blobs.  P must be zero.
	 * N=0, M=1, P=1:
	 *	compare a blob with a working tree file.
	 *
	 * N=1, M=0:
	 *      tree vs cache (diff-index --cached)
	 *
	 * N=2, M=0:
	 *      tree vs tree (diff-tree)
	 *
	 * N=0, M=0, P=2:
	 *      compare two filesystem entities (aka --no-index).
	 *
	 * Other cases are errors.
	 */

	prefix = setup_git_directory_gently(&nongit);
	gitmodules_config();
	git_config(git_diff_ui_config, NULL);

	if (diff_use_color_default == -1)
		diff_use_color_default = git_use_color_default;

	init_revisions(&rev, prefix);

	/* If this is a no-index diff, just run it and exit there. */
	diff_no_index(&rev, argc, argv, nongit, prefix);

	/* Otherwise, we are doing the usual "git" diff */
	rev.diffopt.skip_stat_unmatch = !!diff_auto_refresh_index;

	/* Default to let external and textconv be used */
	DIFF_OPT_SET(&rev.diffopt, ALLOW_EXTERNAL);
	DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);

	if (nongit)
		die("Not a git repository");
	argc = setup_revisions(argc, argv, &rev, NULL);
	if (!rev.diffopt.output_format) {
		rev.diffopt.output_format = DIFF_FORMAT_PATCH;
		if (diff_setup_done(&rev.diffopt) < 0)
			die("diff_setup_done failed");
	}

	DIFF_OPT_SET(&rev.diffopt, RECURSIVE);

	/*
	 * If the user asked for our exit code then don't start a
	 * pager or we would end up reporting its exit code instead.
	 */
	if (!DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS) &&
	    check_pager_config("diff") != 0)
		setup_pager();

	/*
	 * Do we have --cached and not have a pending object, then
	 * default to HEAD by hand.  Eek.
	 */
	if (!rev.pending.nr) {
		int i;
		for (i = 1; i < argc; i++) {
			const char *arg = argv[i];
			if (!strcmp(arg, "--"))
				break;
			else if (!strcmp(arg, "--cached") ||
				 !strcmp(arg, "--staged")) {
				add_head_to_pending(&rev);
				if (!rev.pending.nr) {
					struct tree *tree;
					tree = lookup_tree((const unsigned char*)EMPTY_TREE_SHA1_BIN);
					add_pending_object(&rev, &tree->object, "HEAD");
				}
				break;
			}
		}
	}

	for (i = 0; i < rev.pending.nr; i++) {
		struct object_array_entry *list = rev.pending.objects+i;
		struct object *obj = list->item;
		const char *name = list->name;
		int flags = (obj->flags & UNINTERESTING);
		if (!obj->parsed)
			obj = parse_object(obj->sha1);
		obj = deref_tag(obj, NULL, 0);
		if (!obj)
			die("invalid object '%s' given.", name);
		if (obj->type == OBJ_COMMIT)
			obj = &((struct commit *)obj)->tree->object;
		if (obj->type == OBJ_TREE) {
			if (ARRAY_SIZE(ent) <= ents)
				die("more than %d trees given: '%s'",
				    (int) ARRAY_SIZE(ent), name);
			obj->flags |= flags;
			ent[ents].item = obj;
			ent[ents].name = name;
			ents++;
			continue;
		}
		if (obj->type == OBJ_BLOB) {
			if (2 <= blobs)
				die("more than two blobs given: '%s'", name);
			hashcpy(blob[blobs].sha1, obj->sha1);
			blob[blobs].name = name;
			blob[blobs].mode = list->mode;
			blobs++;
			continue;

		}
		die("unhandled object '%s' given.", name);
	}
	if (rev.prune_data.nr) {
		if (!path)
			path = rev.prune_data.items[0].match;
		paths += rev.prune_data.nr;
	}

	/*
	 * Now, do the arguments look reasonable?
	 */
	if (!ents) {
		switch (blobs) {
		case 0:
			result = builtin_diff_files(&rev, argc, argv);
			break;
		case 1:
			if (paths != 1)
				usage(builtin_diff_usage);
			result = builtin_diff_b_f(&rev, argc, argv, blob, path);
			break;
		case 2:
			if (paths)
				usage(builtin_diff_usage);
			result = builtin_diff_blobs(&rev, argc, argv, blob);
			break;
		default:
			usage(builtin_diff_usage);
		}
	}
	else if (blobs)
		usage(builtin_diff_usage);
	else if (ents == 1)
		result = builtin_diff_index(&rev, argc, argv);
	else if (ents == 2)
		result = builtin_diff_tree(&rev, argc, argv, ent);
	else if (ent[0].item->flags & UNINTERESTING) {
		/*
		 * diff A...B where there is at least one merge base
		 * between A and B.  We have ent[0] == merge-base,
		 * ent[ents-2] == A, and ent[ents-1] == B.  Show diff
		 * between the base and B.  Note that we pick one
		 * merge base at random if there are more than one.
		 */
		ent[1] = ent[ents-1];
		result = builtin_diff_tree(&rev, argc, argv, ent);
	} else
		result = builtin_diff_combined(&rev, argc, argv,
					       ent, ents);
	result = diff_result_code(&rev.diffopt, result);
	if (1 < rev.diffopt.skip_stat_unmatch)
		refresh_index_quietly();
	return result;
}
Beispiel #23
0
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 pretty_print_context pp = {0};

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

	committer = git_committer_info(0);

	if (!use_stdout &&
	    reopen_stdout(NULL, numbered_files ? NULL : "cover-letter", rev, quiet))
		return;

	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();
}
Beispiel #24
0
static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, const char *base, struct diff_options *opt)
{
	struct diff_options diff_opts;
	struct diff_queue_struct *q = &diff_queued_diff;
	struct diff_filepair *choice;
	const char *paths[1];
	int i;

	/* Remove the file creation entry from the diff queue, and remember it */
	choice = q->queue[0];
	q->nr = 0;

	diff_setup(&diff_opts);
	DIFF_OPT_SET(&diff_opts, RECURSIVE);
	diff_opts.detect_rename = DIFF_DETECT_RENAME;
	diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT;
	diff_opts.single_follow = opt->paths[0];
	diff_opts.break_opt = opt->break_opt;
	paths[0] = NULL;
	diff_tree_setup_paths(paths, &diff_opts);
	if (diff_setup_done(&diff_opts) < 0)
		die("unable to set up diff options to follow renames");
	diff_tree(t1, t2, base, &diff_opts);
	diffcore_std(&diff_opts);
	diff_tree_release_paths(&diff_opts);

	/* Go through the new set of filepairing, and see if we find a more interesting one */
	for (i = 0; i < q->nr; i++) {
		struct diff_filepair *p = q->queue[i];

		/*
		 * Found a source? Not only do we use that for the new
		 * diff_queued_diff, we will also use that as the path in
		 * the future!
		 */
		if ((p->status == 'R' || p->status == 'C') && !strcmp(p->two->path, opt->paths[0])) {
			/* Switch the file-pairs around */
			q->queue[i] = choice;
			choice = p;

			/* Update the path we use from now on.. */
			diff_tree_release_paths(opt);
			opt->paths[0] = xstrdup(p->one->path);
			diff_tree_setup_paths(opt->paths, opt);
			break;
		}
	}

	/*
	 * Then, discard all the non-relevane file pairs...
	 */
	for (i = 0; i < q->nr; i++) {
		struct diff_filepair *p = q->queue[i];
		diff_free_filepair(p);
	}

	/*
	 * .. and re-instate the one we want (which might be either the
	 * original one, or the rename/copy we found)
	 */
	q->queue[0] = choice;
	q->nr = 1;
}
Beispiel #25
0
void diff_no_index(struct rev_info *revs,
		   int argc, const char **argv,
		   int nongit, const char *prefix)
{
	int i;
	int no_index = 0;
	unsigned options = 0;

	/* Were we asked to do --no-index explicitly? */
	for (i = 1; i < argc; i++) {
		if (!strcmp(argv[i], "--"))
			return;
		if (!strcmp(argv[i], "--no-index"))
			no_index = 1;
		if (argv[i][0] != '-')
			break;
	}

	if (!no_index && !nongit) {
		/*
		 * Inside a git repository, without --no-index.  Only
		 * when a path outside the repository is given,
		 * e.g. "git diff /var/tmp/[12]", or "git diff
		 * Makefile /var/tmp/Makefile", allow it to be used as
		 * a colourful "diff" replacement.
		 */
		if ((argc != i + 2) ||
		    (!path_outside_repo(argv[i]) &&
		     !path_outside_repo(argv[i+1])))
			return;
	}
	if (argc != i + 2)
		die("git diff %s takes two paths",
		    no_index ? "--no-index" : "[--no-index]");

	/*
	 * If the user asked for our exit code then don't start a
	 * pager or we would end up reporting its exit code instead.
	 */
	if (!DIFF_OPT_TST(&revs->diffopt, EXIT_WITH_STATUS))
		setup_pager();

	diff_setup(&revs->diffopt);
	if (!revs->diffopt.output_format)
		revs->diffopt.output_format = DIFF_FORMAT_PATCH;
	for (i = 1; i < argc - 2; ) {
		int j;
		if (!strcmp(argv[i], "--no-index"))
			i++;
		else if (!strcmp(argv[1], "-q"))
			options |= DIFF_SILENT_ON_REMOVED;
		else {
			j = diff_opt_parse(&revs->diffopt, argv + i, argc - i);
			if (!j)
				die("invalid diff option/value: %s", argv[i]);
			i += j;
		}
	}

	if (prefix) {
		int len = strlen(prefix);

		revs->diffopt.paths = xcalloc(2, sizeof(char*));
		for (i = 0; i < 2; i++) {
			const char *p = argv[argc - 2 + i];
			/*
			 * stdin should be spelled as '-'; if you have
			 * path that is '-', spell it as ./-.
			 */
			p = (strcmp(p, "-")
			     ? xstrdup(prefix_filename(prefix, len, p))
			     : p);
			revs->diffopt.paths[i] = p;
		}
	}
	else
		revs->diffopt.paths = argv + argc - 2;
	revs->diffopt.nr_paths = 2;

	DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS);
	DIFF_OPT_SET(&revs->diffopt, NO_INDEX);

	revs->max_count = -2;
	if (diff_setup_done(&revs->diffopt) < 0)
		die("diff_setup_done failed");

	if (queue_diff(&revs->diffopt, revs->diffopt.paths[0],
		       revs->diffopt.paths[1]))
		exit(1);
	diffcore_std(&revs->diffopt);
	diff_flush(&revs->diffopt);

	/*
	 * The return code for --no-index imitates diff(1):
	 * 0 = no changes, 1 = changes, else error
	 */
	exit(revs->diffopt.found_changes);
}
Beispiel #26
0
/*
 * Parse revision information, filling in the "rev_info" structure,
 * and removing the used arguments from the argument list.
 *
 * Returns the number of arguments left that weren't recognized
 * (which are also moved to the head of the argument list)
 */
int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def)
{
	int i, flags, left, seen_dashdash;

	/* First, search for "--" */
	seen_dashdash = 0;
	for (i = 1; i < argc; i++) {
		const char *arg = argv[i];
		if (strcmp(arg, "--"))
			continue;
		argv[i] = NULL;
		argc = i;
		if (argv[i + 1])
			revs->prune_data = get_pathspec(revs->prefix, argv + i + 1);
		seen_dashdash = 1;
		break;
	}

	/* Second, deal with arguments and options */
	flags = 0;
	for (left = i = 1; i < argc; i++) {
		const char *arg = argv[i];
		if (*arg == '-') {
			int opts;

			if (!strcmp(arg, "--all")) {
				handle_refs(revs, flags, for_each_ref);
				continue;
			}
			if (!strcmp(arg, "--branches")) {
				handle_refs(revs, flags, for_each_branch_ref);
				continue;
			}
			if (!strcmp(arg, "--tags")) {
				handle_refs(revs, flags, for_each_tag_ref);
				continue;
			}
			if (!strcmp(arg, "--remotes")) {
				handle_refs(revs, flags, for_each_remote_ref);
				continue;
			}
			if (!strcmp(arg, "--reflog")) {
				handle_reflog(revs, flags);
				continue;
			}
			if (!strcmp(arg, "--not")) {
				flags ^= UNINTERESTING;
				continue;
			}
			if (!strcmp(arg, "--no-walk")) {
				revs->no_walk = 1;
				continue;
			}
			if (!strcmp(arg, "--do-walk")) {
				revs->no_walk = 0;
				continue;
			}

			opts = handle_revision_opt(revs, argc - i, argv + i, &left, argv);
			if (opts > 0) {
				i += opts - 1;
				continue;
			}
			if (opts < 0)
				exit(128);
			continue;
		}

		if (handle_revision_arg(arg, revs, flags, seen_dashdash)) {
			int j;
			if (seen_dashdash || *arg == '^')
				die("bad revision '%s'", arg);

			/* If we didn't have a "--":
			 * (1) all filenames must exist;
			 * (2) all rev-args must not be interpretable
			 *     as a valid filename.
			 * but the latter we have checked in the main loop.
			 */
			for (j = i; j < argc; j++)
				verify_filename(revs->prefix, argv[j]);

			revs->prune_data = get_pathspec(revs->prefix,
							argv + i);
			break;
		}
	}

	if (revs->def == NULL)
		revs->def = def;
	if (revs->show_merge)
		prepare_show_merge(revs);
	if (revs->def && !revs->pending.nr) {
		unsigned char sha1[20];
		struct object *object;
		unsigned mode;
		if (get_sha1_with_mode(revs->def, sha1, &mode))
			die("bad default revision '%s'", revs->def);
		object = get_reference(revs, revs->def, sha1, 0);
		add_pending_object_with_mode(revs, object, revs->def, mode);
	}

	/* Did the user ask for any diff output? Run the diff! */
	if (revs->diffopt.output_format & ~DIFF_FORMAT_NO_OUTPUT)
		revs->diff = 1;

	/* Pickaxe, diff-filter and rename following need diffs */
	if (revs->diffopt.pickaxe ||
	    revs->diffopt.filter ||
	    DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
		revs->diff = 1;

	if (revs->topo_order)
		revs->limited = 1;

	if (revs->prune_data) {
		diff_tree_setup_paths(revs->prune_data, &revs->pruning);
		/* Can't prune commits with rename following: the paths change.. */
		if (!DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
			revs->prune = 1;
		if (!revs->full_diff)
			diff_tree_setup_paths(revs->prune_data, &revs->diffopt);
	}
	if (revs->combine_merges) {
		revs->ignore_merges = 0;
		if (revs->dense_combined_merges && !revs->diffopt.output_format)
			revs->diffopt.output_format = DIFF_FORMAT_PATCH;
	}
	revs->diffopt.abbrev = revs->abbrev;
	if (diff_setup_done(&revs->diffopt) < 0)
		die("diff_setup_done failed");

	compile_grep_patterns(&revs->grep_filter);

	if (revs->reverse && revs->reflog_info)
		die("cannot combine --reverse with --walk-reflogs");
	if (revs->rewrite_parents && revs->children.name)
		die("cannot combine --parents and --children");

	/*
	 * Limitations on the graph functionality
	 */
	if (revs->reverse && revs->graph)
		die("cannot combine --reverse with --graph");

	if (revs->reflog_info && revs->graph)
		die("cannot combine --walk-reflogs with --graph");

	return left;
}
Beispiel #27
0
static void diff_tree_local(struct notes_merge_options *o,
			    struct notes_merge_pair *changes, int len,
			    const unsigned char *base,
			    const unsigned char *local)
{
	struct diff_options opt;
	int i;

	trace_printf("\tdiff_tree_local(len = %i, base = %.7s, local = %.7s)\n",
	       len, sha1_to_hex(base), sha1_to_hex(local));

	diff_setup(&opt);
	DIFF_OPT_SET(&opt, RECURSIVE);
	opt.output_format = DIFF_FORMAT_NO_OUTPUT;
	if (diff_setup_done(&opt) < 0)
		die("diff_setup_done failed");
	diff_tree_sha1(base, local, "", &opt);
	diffcore_std(&opt);

	for (i = 0; i < diff_queued_diff.nr; i++) {
		struct diff_filepair *p = diff_queued_diff.queue[i];
		struct notes_merge_pair *mp;
		int match;
		unsigned char obj[20];

		if (verify_notes_filepair(p, obj)) {
			trace_printf("\t\tCannot merge entry '%s' (%c): "
			       "%.7s -> %.7s. Skipping!\n", p->one->path,
			       p->status, sha1_to_hex(p->one->sha1),
			       sha1_to_hex(p->two->sha1));
			continue;
		}
		mp = find_notes_merge_pair_pos(changes, len, obj, 0, &match);
		if (!match) {
			trace_printf("\t\tIgnoring local-only change for %s: "
			       "%.7s -> %.7s\n", sha1_to_hex(obj),
			       sha1_to_hex(p->one->sha1),
			       sha1_to_hex(p->two->sha1));
			continue;
		}

		assert(!hashcmp(mp->obj, obj));
		if (is_null_sha1(p->two->sha1)) { /* deletion */
			/*
			 * Either this is a true deletion (1), or it is part
			 * of an A/D pair (2), or D/A pair (3):
			 *
			 * (1) mp->local is uninitialized; set it to null_sha1
			 * (2) mp->local is not uninitialized; don't touch it
			 * (3) mp->local is uninitialized; set it to null_sha1
			 *     (will be overwritten by following addition)
			 */
			if (!hashcmp(mp->local, uninitialized))
				hashclr(mp->local);
		} else if (is_null_sha1(p->one->sha1)) { /* addition */
			/*
			 * Either this is a true addition (1), or it is part
			 * of an A/D pair (2), or D/A pair (3):
			 *
			 * (1) mp->local is uninitialized; set to p->two->sha1
			 * (2) mp->local is uninitialized; set to p->two->sha1
			 * (3) mp->local is null_sha1;     set to p->two->sha1
			 */
			assert(is_null_sha1(mp->local) ||
			       !hashcmp(mp->local, uninitialized));
			hashcpy(mp->local, p->two->sha1);
		} else { /* modification */
			/*
			 * This is a true modification. p->one->sha1 shall
			 * match mp->base, and mp->local shall be uninitialized.
			 * Set mp->local to p->two->sha1.
			 */
			assert(!hashcmp(p->one->sha1, mp->base));
			assert(!hashcmp(mp->local, uninitialized));
			hashcpy(mp->local, p->two->sha1);
		}
		trace_printf("\t\tStored local change for %s: %.7s -> %.7s\n",
		       sha1_to_hex(mp->obj), sha1_to_hex(mp->base),
		       sha1_to_hex(mp->local));
	}
	diff_flush(&opt);
	diff_tree_release_paths(&opt);
}
Beispiel #28
0
static struct notes_merge_pair *diff_tree_remote(struct notes_merge_options *o,
						 const unsigned char *base,
						 const unsigned char *remote,
						 int *num_changes)
{
	struct diff_options opt;
	struct notes_merge_pair *changes;
	int i, len = 0;

	trace_printf("\tdiff_tree_remote(base = %.7s, remote = %.7s)\n",
	       sha1_to_hex(base), sha1_to_hex(remote));

	diff_setup(&opt);
	DIFF_OPT_SET(&opt, RECURSIVE);
	opt.output_format = DIFF_FORMAT_NO_OUTPUT;
	if (diff_setup_done(&opt) < 0)
		die("diff_setup_done failed");
	diff_tree_sha1(base, remote, "", &opt);
	diffcore_std(&opt);

	changes = xcalloc(diff_queued_diff.nr, sizeof(struct notes_merge_pair));

	for (i = 0; i < diff_queued_diff.nr; i++) {
		struct diff_filepair *p = diff_queued_diff.queue[i];
		struct notes_merge_pair *mp;
		int occupied;
		unsigned char obj[20];

		if (verify_notes_filepair(p, obj)) {
			trace_printf("\t\tCannot merge entry '%s' (%c): "
			       "%.7s -> %.7s. Skipping!\n", p->one->path,
			       p->status, sha1_to_hex(p->one->sha1),
			       sha1_to_hex(p->two->sha1));
			continue;
		}
		mp = find_notes_merge_pair_pos(changes, len, obj, 1, &occupied);
		if (occupied) {
			/* We've found an addition/deletion pair */
			assert(!hashcmp(mp->obj, obj));
			if (is_null_sha1(p->one->sha1)) { /* addition */
				assert(is_null_sha1(mp->remote));
				hashcpy(mp->remote, p->two->sha1);
			} else if (is_null_sha1(p->two->sha1)) { /* deletion */
				assert(is_null_sha1(mp->base));
				hashcpy(mp->base, p->one->sha1);
			} else
				assert(!"Invalid existing change recorded");
		} else {
			hashcpy(mp->obj, obj);
			hashcpy(mp->base, p->one->sha1);
			hashcpy(mp->local, uninitialized);
			hashcpy(mp->remote, p->two->sha1);
			len++;
		}
		trace_printf("\t\tStored remote change for %s: %.7s -> %.7s\n",
		       sha1_to_hex(mp->obj), sha1_to_hex(mp->base),
		       sha1_to_hex(mp->remote));
	}
	diff_flush(&opt);
	diff_tree_release_paths(&opt);

	*num_changes = len;
	return changes;
}
Beispiel #29
0
int cmd_diff(int argc, const char **argv, const char *prefix)
{
	int i;
	struct rev_info rev;
	struct object_array ent = OBJECT_ARRAY_INIT;
	int blobs = 0, paths = 0;
	struct blobinfo blob[2];
	int nongit = 0, no_index = 0;
	int result = 0;

	/*
	 * We could get N tree-ish in the rev.pending_objects list.
	 * Also there could be M blobs there, and P pathspecs.
	 *
	 * N=0, M=0:
	 *	cache vs files (diff-files)
	 * N=0, M=2:
	 *      compare two random blobs.  P must be zero.
	 * N=0, M=1, P=1:
	 *	compare a blob with a working tree file.
	 *
	 * N=1, M=0:
	 *      tree vs cache (diff-index --cached)
	 *
	 * N=2, M=0:
	 *      tree vs tree (diff-tree)
	 *
	 * N=0, M=0, P=2:
	 *      compare two filesystem entities (aka --no-index).
	 *
	 * Other cases are errors.
	 */

	/* Were we asked to do --no-index explicitly? */
	for (i = 1; i < argc; i++) {
		if (!strcmp(argv[i], "--")) {
			i++;
			break;
		}
		if (!strcmp(argv[i], "--no-index"))
			no_index = DIFF_NO_INDEX_EXPLICIT;
		if (argv[i][0] != '-')
			break;
	}

	if (!no_index)
		prefix = setup_git_directory_gently(&nongit);

	/*
	 * Treat git diff with at least one path outside of the
	 * repo the same as if the command would have been executed
	 * outside of a git repository.  In this case it behaves
	 * the same way as "git diff --no-index <a> <b>", which acts
	 * as a colourful "diff" replacement.
	 */
	if (nongit || ((argc == i + 2) &&
		       (!path_inside_repo(prefix, argv[i]) ||
			!path_inside_repo(prefix, argv[i + 1]))))
		no_index = DIFF_NO_INDEX_IMPLICIT;

	if (!no_index)
		gitmodules_config();
	init_diff_ui_defaults();
	git_config(git_diff_ui_config, NULL);
	precompose_argv(argc, argv);

	init_revisions(&rev, prefix);

	if (no_index && argc != i + 2) {
		if (no_index == DIFF_NO_INDEX_IMPLICIT) {
			/*
			 * There was no --no-index and there were not two
			 * paths. It is possible that the user intended
			 * to do an inside-repository operation.
			 */
			fprintf(stderr, "Not a git repository\n");
			fprintf(stderr,
				"To compare two paths outside a working tree:\n");
		}
		/* Give the usage message for non-repository usage and exit. */
		usagef("git diff %s <path> <path>",
		       no_index == DIFF_NO_INDEX_EXPLICIT ?
		       "--no-index" : "[--no-index]");

	}
	if (no_index)
		/* If this is a no-index diff, just run it and exit there. */
		diff_no_index(&rev, argc, argv);

	/* Otherwise, we are doing the usual "git" diff */
	rev.diffopt.skip_stat_unmatch = !!diff_auto_refresh_index;

	/* Scale to real terminal size and respect statGraphWidth config */
	rev.diffopt.stat_width = -1;
	rev.diffopt.stat_graph_width = -1;

	/* Default to let external and textconv be used */
	DIFF_OPT_SET(&rev.diffopt, ALLOW_EXTERNAL);
	DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);

	if (nongit)
		die(_("Not a git repository"));
	argc = setup_revisions(argc, argv, &rev, NULL);
	if (!rev.diffopt.output_format) {
		rev.diffopt.output_format = DIFF_FORMAT_PATCH;
		diff_setup_done(&rev.diffopt);
	}

	DIFF_OPT_SET(&rev.diffopt, RECURSIVE);

	setup_diff_pager(&rev.diffopt);

	/*
	 * Do we have --cached and not have a pending object, then
	 * default to HEAD by hand.  Eek.
	 */
	if (!rev.pending.nr) {
		int i;
		for (i = 1; i < argc; i++) {
			const char *arg = argv[i];
			if (!strcmp(arg, "--"))
				break;
			else if (!strcmp(arg, "--cached") ||
				 !strcmp(arg, "--staged")) {
				add_head_to_pending(&rev);
				if (!rev.pending.nr) {
					struct tree *tree;
					tree = lookup_tree(EMPTY_TREE_SHA1_BIN);
					add_pending_object(&rev, &tree->object, "HEAD");
				}
				break;
			}
		}
	}

	for (i = 0; i < rev.pending.nr; i++) {
		struct object_array_entry *entry = &rev.pending.objects[i];
		struct object *obj = entry->item;
		const char *name = entry->name;
		int flags = (obj->flags & UNINTERESTING);
		if (!obj->parsed)
			obj = parse_object(obj->oid.hash);
		obj = deref_tag(obj, NULL, 0);
		if (!obj)
			die(_("invalid object '%s' given."), name);
		if (obj->type == OBJ_COMMIT)
			obj = &((struct commit *)obj)->tree->object;

		if (obj->type == OBJ_TREE) {
			obj->flags |= flags;
			add_object_array(obj, name, &ent);
		} else if (obj->type == OBJ_BLOB) {
			if (2 <= blobs)
				die(_("more than two blobs given: '%s'"), name);
			hashcpy(blob[blobs].sha1, obj->oid.hash);
			blob[blobs].name = name;
			blob[blobs].mode = entry->mode;
			blobs++;

		} else {
			die(_("unhandled object '%s' given."), name);
		}
	}
	if (rev.prune_data.nr)
		paths += rev.prune_data.nr;

	/*
	 * Now, do the arguments look reasonable?
	 */
	if (!ent.nr) {
		switch (blobs) {
		case 0:
			result = builtin_diff_files(&rev, argc, argv);
			break;
		case 1:
			if (paths != 1)
				usage(builtin_diff_usage);
			result = builtin_diff_b_f(&rev, argc, argv, blob);
			break;
		case 2:
			if (paths)
				usage(builtin_diff_usage);
			result = builtin_diff_blobs(&rev, argc, argv, blob);
			break;
		default:
			usage(builtin_diff_usage);
		}
	}
	else if (blobs)
		usage(builtin_diff_usage);
	else if (ent.nr == 1)
		result = builtin_diff_index(&rev, argc, argv);
	else if (ent.nr == 2)
		result = builtin_diff_tree(&rev, argc, argv,
					   &ent.objects[0], &ent.objects[1]);
	else if (ent.objects[0].item->flags & UNINTERESTING) {
		/*
		 * diff A...B where there is at least one merge base
		 * between A and B.  We have ent.objects[0] ==
		 * merge-base, ent.objects[ents-2] == A, and
		 * ent.objects[ents-1] == B.  Show diff between the
		 * base and B.  Note that we pick one merge base at
		 * random if there are more than one.
		 */
		result = builtin_diff_tree(&rev, argc, argv,
					   &ent.objects[0],
					   &ent.objects[ent.nr-1]);
	} else
		result = builtin_diff_combined(&rev, argc, argv,
					       ent.objects, ent.nr);
	result = diff_result_code(&rev.diffopt, result);
	if (1 < rev.diffopt.skip_stat_unmatch)
		refresh_index_quietly();
	return result;
}
Beispiel #30
0
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 *committer;
	char *head_sha1;
	const char *subject_start = NULL;
	const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n";
	const char *msg;
	const char *extra_headers = rev->extra_headers;
	struct shortlog log;
	struct strbuf sb = STRBUF_INIT;
	int i;
	const char *encoding = "utf-8";
	struct diff_options opts;
	int need_8bit_cte = 0;

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

	if (!use_stdout && reopen_stdout(numbered_files ?
				NULL : "cover-letter", 0, rev->total))
		return;

	head_sha1 = sha1_to_hex(head->object.sha1);

	log_write_email_headers(rev, head_sha1, &subject_start, &extra_headers,
				&need_8bit_cte);

	committer = git_committer_info(0);

	msg = body;
	pp_user_info(NULL, CMIT_FMT_EMAIL, &sb, committer, DATE_RFC2822,
		     encoding);
	pp_title_line(CMIT_FMT_EMAIL, &msg, &sb, subject_start, extra_headers,
		      encoding, need_8bit_cte);
	pp_remainder(CMIT_FMT_EMAIL, &msg, &sb, 0);
	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");
}