示例#1
0
文件: pretty.c 项目: KarthikNayak/git
static void parse_commit_message(struct format_commit_context *c)
{
	const char *msg = c->message + c->message_off;
	const char *start = c->message;

	msg = skip_blank_lines(msg);
	c->subject_off = msg - start;

	msg = format_subject(NULL, msg, NULL);
	msg = skip_blank_lines(msg);
	c->body_off = msg - start;

	c->commit_message_parsed = 1;
}
示例#2
0
文件: reset.c 项目: Fykec/git
static void print_new_head_line(struct commit *commit)
{
	const char *hex, *body;
	const char *msg;

	hex = find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV);
	printf(_("HEAD is now at %s"), hex);
	msg = logmsg_reencode(commit, NULL, get_log_output_encoding());
	body = strstr(msg, "\n\n");
	if (body) {
		const char *eol;
		size_t len;
		body = skip_blank_lines(body + 2);
		eol = strchr(body, '\n');
		len = eol ? eol - body : strlen(body);
		printf(" %.*s\n", (int) len, body);
	}
	else
		printf("\n");
	unuse_commit_buffer(commit, msg);
}
示例#3
0
文件: sequencer.c 项目: 64octets/git
static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
{
	unsigned char head[20];
	struct commit *base, *next, *parent;
	const char *base_label, *next_label;
	struct commit_message msg = { NULL, NULL, NULL, NULL };
	struct strbuf msgbuf = STRBUF_INIT;
	int res, unborn = 0, allow;

	if (opts->no_commit) {
		/*
		 * We do not intend to commit immediately.  We just want to
		 * merge the differences in, so let's compute the tree
		 * that represents the "current" state for merge-recursive
		 * to work on.
		 */
		if (write_cache_as_tree(head, 0, NULL))
			die (_("Your index file is unmerged."));
	} else {
		unborn = get_sha1("HEAD", head);
		if (unborn)
			hashcpy(head, EMPTY_TREE_SHA1_BIN);
		if (index_differs_from(unborn ? EMPTY_TREE_SHA1_HEX : "HEAD", 0))
			return error_dirty_index(opts);
	}
	discard_cache();

	if (!commit->parents) {
		parent = NULL;
	}
	else if (commit->parents->next) {
		/* Reverting or cherry-picking a merge commit */
		int cnt;
		struct commit_list *p;

		if (!opts->mainline)
			return error(_("Commit %s is a merge but no -m option was given."),
				oid_to_hex(&commit->object.oid));

		for (cnt = 1, p = commit->parents;
		     cnt != opts->mainline && p;
		     cnt++)
			p = p->next;
		if (cnt != opts->mainline || !p)
			return error(_("Commit %s does not have parent %d"),
				oid_to_hex(&commit->object.oid), opts->mainline);
		parent = p->item;
	} else if (0 < opts->mainline)
		return error(_("Mainline was specified but commit %s is not a merge."),
			oid_to_hex(&commit->object.oid));
	else
		parent = commit->parents->item;

	if (opts->allow_ff &&
	    ((parent && !hashcmp(parent->object.oid.hash, head)) ||
	     (!parent && unborn)))
		return fast_forward_to(commit->object.oid.hash, head, unborn, opts);

	if (parent && parse_commit(parent) < 0)
		/* TRANSLATORS: The first %s will be "revert" or
		   "cherry-pick", the second %s a SHA1 */
		return error(_("%s: cannot parse parent commit %s"),
			action_name(opts), oid_to_hex(&parent->object.oid));

	if (get_message(commit, &msg) != 0)
		return error(_("Cannot get commit message for %s"),
			oid_to_hex(&commit->object.oid));

	/*
	 * "commit" is an existing commit.  We would want to apply
	 * the difference it introduces since its first parent "prev"
	 * on top of the current HEAD if we are cherry-pick.  Or the
	 * reverse of it if we are revert.
	 */

	if (opts->action == REPLAY_REVERT) {
		base = commit;
		base_label = msg.label;
		next = parent;
		next_label = msg.parent_label;
		strbuf_addstr(&msgbuf, "Revert \"");
		strbuf_addstr(&msgbuf, msg.subject);
		strbuf_addstr(&msgbuf, "\"\n\nThis reverts commit ");
		strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid));

		if (commit->parents && commit->parents->next) {
			strbuf_addstr(&msgbuf, ", reversing\nchanges made to ");
			strbuf_addstr(&msgbuf, oid_to_hex(&parent->object.oid));
		}
		strbuf_addstr(&msgbuf, ".\n");
	} else {
		const char *p;

		base = parent;
		base_label = msg.parent_label;
		next = commit;
		next_label = msg.label;

		/*
		 * Append the commit log message to msgbuf; it starts
		 * after the tree, parent, author, committer
		 * information followed by "\n\n".
		 */
		p = strstr(msg.message, "\n\n");
		if (p)
			strbuf_addstr(&msgbuf, skip_blank_lines(p + 2));

		if (opts->record_origin) {
			if (!has_conforming_footer(&msgbuf, NULL, 0))
				strbuf_addch(&msgbuf, '\n');
			strbuf_addstr(&msgbuf, cherry_picked_prefix);
			strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid));
			strbuf_addstr(&msgbuf, ")\n");
		}
	}

	if (!opts->strategy || !strcmp(opts->strategy, "recursive") || opts->action == REPLAY_REVERT) {
		res = do_recursive_merge(base, next, base_label, next_label,
					 head, &msgbuf, opts);
		write_message(&msgbuf, git_path_merge_msg());
	} else {
		struct commit_list *common = NULL;
		struct commit_list *remotes = NULL;

		write_message(&msgbuf, git_path_merge_msg());

		commit_list_insert(base, &common);
		commit_list_insert(next, &remotes);
		res = try_merge_command(opts->strategy, opts->xopts_nr, opts->xopts,
					common, sha1_to_hex(head), remotes);
		free_commit_list(common);
		free_commit_list(remotes);
	}

	/*
	 * If the merge was clean or if it failed due to conflict, we write
	 * CHERRY_PICK_HEAD for the subsequent invocation of commit to use.
	 * However, if the merge did not even start, then we don't want to
	 * write it at all.
	 */
	if (opts->action == REPLAY_PICK && !opts->no_commit && (res == 0 || res == 1))
		update_ref(NULL, "CHERRY_PICK_HEAD", commit->object.oid.hash, NULL,
			   REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
	if (opts->action == REPLAY_REVERT && ((opts->no_commit && res == 0) || res == 1))
		update_ref(NULL, "REVERT_HEAD", commit->object.oid.hash, NULL,
			   REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);

	if (res) {
		error(opts->action == REPLAY_REVERT
		      ? _("could not revert %s... %s")
		      : _("could not apply %s... %s"),
		      find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV),
		      msg.subject);
		print_advice(res == 1, opts);
		rerere(opts->allow_rerere_auto);
		goto leave;
	}

	allow = allow_empty(opts, commit);
	if (allow < 0) {
		res = allow;
		goto leave;
	}
	if (!opts->no_commit)
		res = run_git_commit(git_path_merge_msg(), opts, allow);

leave:
	free_message(commit, &msg);

	return res;
}
示例#4
0
文件: pretty.c 项目: KarthikNayak/git
void pretty_print_commit(struct pretty_print_context *pp,
			 const struct commit *commit,
			 struct strbuf *sb)
{
	unsigned long beginning_of_body;
	int indent = 4;
	const char *msg;
	const char *reencoded;
	const char *encoding;
	int need_8bit_cte = pp->need_8bit_cte;

	if (pp->fmt == CMIT_FMT_USERFORMAT) {
		format_commit_message(commit, user_format, sb, pp);
		return;
	}

	encoding = get_log_output_encoding();
	msg = reencoded = logmsg_reencode(commit, NULL, encoding);

	if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt))
		indent = 0;

	/*
	 * We need to check and emit Content-type: to mark it
	 * as 8-bit if we haven't done so.
	 */
	if (cmit_fmt_is_mail(pp->fmt) && need_8bit_cte == 0) {
		int i, ch, in_body;

		for (in_body = i = 0; (ch = msg[i]); i++) {
			if (!in_body) {
				/* author could be non 7-bit ASCII but
				 * the log may be so; skip over the
				 * header part first.
				 */
				if (ch == '\n' && msg[i+1] == '\n')
					in_body = 1;
			}
			else if (non_ascii(ch)) {
				need_8bit_cte = 1;
				break;
			}
		}
	}

	pp_header(pp, encoding, commit, &msg, sb);
	if (pp->fmt != CMIT_FMT_ONELINE && !pp->print_email_subject) {
		strbuf_addch(sb, '\n');
	}

	/* Skip excess blank lines at the beginning of body, if any... */
	msg = skip_blank_lines(msg);

	/* These formats treat the title line specially. */
	if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt))
		pp_title_line(pp, &msg, sb, encoding, need_8bit_cte);

	beginning_of_body = sb->len;
	if (pp->fmt != CMIT_FMT_ONELINE)
		pp_remainder(pp, &msg, sb, indent);
	strbuf_rtrim(sb);

	/* Make sure there is an EOLN for the non-oneline case */
	if (pp->fmt != CMIT_FMT_ONELINE)
		strbuf_addch(sb, '\n');

	/*
	 * The caller may append additional body text in e-mail
	 * format.  Make sure we did not strip the blank line
	 * between the header and the body.
	 */
	if (cmit_fmt_is_mail(pp->fmt) && sb->len <= beginning_of_body)
		strbuf_addch(sb, '\n');

	unuse_commit_buffer(commit, reencoded);
}