Ejemplo n.º 1
0
static void print_summary(const char *prefix, const unsigned char *sha1)
{
	struct rev_info rev;
	struct commit *commit;
	struct strbuf format = STRBUF_INIT;
	unsigned char junk_sha1[20];
	const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL);
	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 (!commit || 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 (!user_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.rename_limit = 100;
	rev.diffopt.break_opt = 0;
	diff_setup_done(&rev.diffopt);

	printf("[%s%s ",
		!prefixcmp(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);
}
Ejemplo n.º 2
0
static int prepare_to_commit(const char *index_file, const char *prefix,
			     struct wt_status *s)
{
	struct stat statbuf;
	int commitable, saved_color_setting;
	struct strbuf sb = STRBUF_INIT;
	char *buffer;
	FILE *fp;
	const char *hook_arg1 = NULL;
	const char *hook_arg2 = NULL;
	int ident_shown = 0;

	if (!no_verify && run_hook(index_file, "pre-commit", NULL))
		return 0;

	if (squash_message) {
		/*
		 * Insert the proper subject line before other commit
		 * message options add their content.
		 */
		if (use_message && !strcmp(use_message, squash_message))
			strbuf_addstr(&sb, "squash! ");
		else {
			struct pretty_print_context ctx = {0};
			struct commit *c;
			c = lookup_commit_reference_by_name(squash_message);
			if (!c)
				die("could not lookup commit %s", squash_message);
			ctx.output_encoding = get_commit_output_encoding();
			format_commit_message(c, "squash! %s\n\n", &sb,
					      &ctx);
		}
	}

	if (message.len) {
		strbuf_addbuf(&sb, &message);
		hook_arg1 = "message";
	} else if (logfile && !strcmp(logfile, "-")) {
		if (isatty(0))
			fprintf(stderr, "(reading log message from standard input)\n");
		if (strbuf_read(&sb, 0, 0) < 0)
			die_errno("could not read log from standard input");
		hook_arg1 = "message";
	} else if (logfile) {
		if (strbuf_read_file(&sb, logfile, 0) < 0)
			die_errno("could not read log file '%s'",
				  logfile);
		hook_arg1 = "message";
	} else if (use_message) {
		buffer = strstr(use_message_buffer, "\n\n");
		if (!buffer || buffer[2] == '\0')
			die("commit has empty message");
		strbuf_add(&sb, buffer + 2, strlen(buffer + 2));
		hook_arg1 = "commit";
		hook_arg2 = use_message;
	} else if (fixup_message) {
		struct pretty_print_context ctx = {0};
		struct commit *commit;
		commit = lookup_commit_reference_by_name(fixup_message);
		if (!commit)
			die("could not lookup commit %s", fixup_message);
		ctx.output_encoding = get_commit_output_encoding();
		format_commit_message(commit, "fixup! %s\n\n",
				      &sb, &ctx);
		hook_arg1 = "message";
	} else if (!stat(git_path("MERGE_MSG"), &statbuf)) {
		if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0)
			die_errno("could not read MERGE_MSG");
		hook_arg1 = "merge";
	} else if (!stat(git_path("SQUASH_MSG"), &statbuf)) {
		if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0)
			die_errno("could not read SQUASH_MSG");
		hook_arg1 = "squash";
	} else if (template_file && !stat(template_file, &statbuf)) {
		if (strbuf_read_file(&sb, template_file, 0) < 0)
			die_errno("could not read '%s'", template_file);
		hook_arg1 = "template";
	}

	/*
	 * This final case does not modify the template message,
	 * it just sets the argument to the prepare-commit-msg hook.
	 */
	else if (in_merge)
		hook_arg1 = "merge";

	if (squash_message) {
		/*
		 * If squash_commit was used for the commit subject,
		 * then we're possibly hijacking other commit log options.
		 * Reset the hook args to tell the real story.
		 */
		hook_arg1 = "message";
		hook_arg2 = "";
	}

	fp = fopen(git_path(commit_editmsg), "w");
	if (fp == NULL)
		die_errno("could not open '%s'", git_path(commit_editmsg));

	if (cleanup_mode != CLEANUP_NONE)
		stripspace(&sb, 0);

	if (signoff) {
		struct strbuf sob = STRBUF_INIT;
		int i;

		strbuf_addstr(&sob, sign_off_header);
		strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
					     getenv("GIT_COMMITTER_EMAIL")));
		strbuf_addch(&sob, '\n');
		for (i = sb.len - 1; i > 0 && sb.buf[i - 1] != '\n'; i--)
			; /* do nothing */
		if (prefixcmp(sb.buf + i, sob.buf)) {
			if (!i || !ends_rfc2822_footer(&sb))
				strbuf_addch(&sb, '\n');
			strbuf_addbuf(&sb, &sob);
		}
		strbuf_release(&sob);
	}

	if (fwrite(sb.buf, 1, sb.len, fp) < sb.len)
		die_errno("could not write commit template");

	strbuf_release(&sb);

	determine_author_info();

	/* This checks if committer ident is explicitly given */
	git_committer_info(0);
	if (use_editor && include_status) {
		char *author_ident;
		const char *committer_ident;

		if (in_merge)
			fprintf(fp,
				"#\n"
				"# It looks like you may be committing a MERGE.\n"
				"# If this is not correct, please remove the file\n"
				"#	%s\n"
				"# and try again.\n"
				"#\n",
				git_path("MERGE_HEAD"));

		fprintf(fp,
			"\n"
			"# Please enter the commit message for your changes.");
		if (cleanup_mode == CLEANUP_ALL)
			fprintf(fp,
				" Lines starting\n"
				"# with '#' will be ignored, and an empty"
				" message aborts the commit.\n");
		else /* CLEANUP_SPACE, that is. */
			fprintf(fp,
				" Lines starting\n"
				"# with '#' will be kept; you may remove them"
				" yourself if you want to.\n"
				"# An empty message aborts the commit.\n");
		if (only_include_assumed)
			fprintf(fp, "# %s\n", only_include_assumed);

		author_ident = xstrdup(fmt_name(author_name, author_email));
		committer_ident = fmt_name(getenv("GIT_COMMITTER_NAME"),
					   getenv("GIT_COMMITTER_EMAIL"));
		if (strcmp(author_ident, committer_ident))
			fprintf(fp,
				"%s"
				"# Author:    %s\n",
				ident_shown++ ? "" : "#\n",
				author_ident);
		free(author_ident);

		if (!user_ident_sufficiently_given())
			fprintf(fp,
				"%s"
				"# Committer: %s\n",
				ident_shown++ ? "" : "#\n",
				committer_ident);

		if (ident_shown)
			fprintf(fp, "#\n");

		saved_color_setting = s->use_color;
		s->use_color = 0;
		commitable = run_status(fp, index_file, prefix, 1, s);
		s->use_color = saved_color_setting;
	} else {
		unsigned char sha1[20];
		const char *parent = "HEAD";

		if (!active_nr && read_cache() < 0)
			die("Cannot read index");

		if (amend)
			parent = "HEAD^1";

		if (get_sha1(parent, sha1))
			commitable = !!active_nr;
		else
			commitable = index_differs_from(parent, 0);
	}

	fclose(fp);

	if (!commitable && !in_merge && !allow_empty &&
	    !(amend && is_a_merge(head_sha1))) {
		run_status(stdout, index_file, prefix, 0, s);
		if (amend)
			fputs(empty_amend_advice, stderr);
		return 0;
	}

	/*
	 * Re-read the index as pre-commit hook could have updated it,
	 * and write it out as a tree.  We must do this before we invoke
	 * the editor and after we invoke run_status above.
	 */
	discard_cache();
	read_cache_from(index_file);
	if (!active_cache_tree)
		active_cache_tree = cache_tree();
	if (cache_tree_update(active_cache_tree,
			      active_cache, active_nr, 0, 0) < 0) {
		error("Error building trees");
		return 0;
	}

	if (run_hook(index_file, "prepare-commit-msg",
		     git_path(commit_editmsg), hook_arg1, hook_arg2, NULL))
		return 0;

	if (use_editor) {
		char index[PATH_MAX];
		const char *env[2] = { NULL };
		env[0] =  index;
		snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
		if (launch_editor(git_path(commit_editmsg), NULL, env)) {
			fprintf(stderr,
			"Please supply the message using either -m or -F option.\n");
			exit(1);
		}
	}

	if (!no_verify &&
	    run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
		return 0;
	}

	return 1;
}
Ejemplo n.º 3
0
Archivo: commit.c Proyecto: moy/git
static int prepare_to_commit(const char *index_file, const char *prefix,
			     struct wt_status *s,
			     struct strbuf *author_ident)
{
	struct stat statbuf;
	struct strbuf committer_ident = STRBUF_INIT;
	int commitable, saved_color_setting;
	struct strbuf sb = STRBUF_INIT;
	char *buffer;
	const char *hook_arg1 = NULL;
	const char *hook_arg2 = NULL;
	int ident_shown = 0;
	int clean_message_contents = (cleanup_mode != CLEANUP_NONE);

	if (!no_verify && run_hook(index_file, "pre-commit", NULL))
		return 0;

	if (squash_message) {
		/*
		 * Insert the proper subject line before other commit
		 * message options add their content.
		 */
		if (use_message && !strcmp(use_message, squash_message))
			strbuf_addstr(&sb, "squash! ");
		else {
			struct pretty_print_context ctx = {0};
			struct commit *c;
			c = lookup_commit_reference_by_name(squash_message);
			if (!c)
				die(_("could not lookup commit %s"), squash_message);
			ctx.output_encoding = get_commit_output_encoding();
			format_commit_message(c, "squash! %s\n\n", &sb,
					      &ctx);
		}
	}

	if (message.len) {
		strbuf_addbuf(&sb, &message);
		hook_arg1 = "message";
	} else if (logfile && !strcmp(logfile, "-")) {
		if (isatty(0))
			fprintf(stderr, _("(reading log message from standard input)\n"));
		if (strbuf_read(&sb, 0, 0) < 0)
			die_errno(_("could not read log from standard input"));
		hook_arg1 = "message";
	} else if (logfile) {
		if (strbuf_read_file(&sb, logfile, 0) < 0)
			die_errno(_("could not read log file '%s'"),
				  logfile);
		hook_arg1 = "message";
	} else if (use_message) {
		buffer = strstr(use_message_buffer, "\n\n");
		if (!buffer || buffer[2] == '\0')
			die(_("commit has empty message"));
		strbuf_add(&sb, buffer + 2, strlen(buffer + 2));
		hook_arg1 = "commit";
		hook_arg2 = use_message;
	} else if (fixup_message) {
		struct pretty_print_context ctx = {0};
		struct commit *commit;
		commit = lookup_commit_reference_by_name(fixup_message);
		if (!commit)
			die(_("could not lookup commit %s"), fixup_message);
		ctx.output_encoding = get_commit_output_encoding();
		format_commit_message(commit, "fixup! %s\n\n",
				      &sb, &ctx);
		hook_arg1 = "message";
	} else if (!stat(git_path("MERGE_MSG"), &statbuf)) {
		if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0)
			die_errno(_("could not read MERGE_MSG"));
		hook_arg1 = "merge";
	} else if (!stat(git_path("SQUASH_MSG"), &statbuf)) {
		if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0)
			die_errno(_("could not read SQUASH_MSG"));
		hook_arg1 = "squash";
	} else if (template_file) {
		if (strbuf_read_file(&sb, template_file, 0) < 0)
			die_errno(_("could not read '%s'"), template_file);
		hook_arg1 = "template";
		clean_message_contents = 0;
	}

	/*
	 * The remaining cases don't modify the template message, but
	 * just set the argument(s) to the prepare-commit-msg hook.
	 */
	else if (whence == FROM_MERGE)
		hook_arg1 = "merge";
	else if (whence == FROM_CHERRY_PICK) {
		hook_arg1 = "commit";
		hook_arg2 = "CHERRY_PICK_HEAD";
	}

	if (squash_message) {
		/*
		 * If squash_commit was used for the commit subject,
		 * then we're possibly hijacking other commit log options.
		 * Reset the hook args to tell the real story.
		 */
		hook_arg1 = "message";
		hook_arg2 = "";
	}

	s->fp = fopen(git_path(commit_editmsg), "w");
	if (s->fp == NULL)
		die_errno(_("could not open '%s'"), git_path(commit_editmsg));

	if (clean_message_contents)
		stripspace(&sb, 0);

	if (signoff) {
		struct strbuf sob = STRBUF_INIT;
		int i;

		strbuf_addstr(&sob, sign_off_header);
		strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
					     getenv("GIT_COMMITTER_EMAIL")));
		strbuf_addch(&sob, '\n');
		for (i = sb.len - 1; i > 0 && sb.buf[i - 1] != '\n'; i--)
			; /* do nothing */
		if (prefixcmp(sb.buf + i, sob.buf)) {
			if (!i || !ends_rfc2822_footer(&sb))
				strbuf_addch(&sb, '\n');
			strbuf_addbuf(&sb, &sob);
		}
		strbuf_release(&sob);
	}

	if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len)
		die_errno(_("could not write commit template"));

	strbuf_release(&sb);

	/* This checks and barfs if author is badly specified */
	determine_author_info(author_ident);

	/* This checks if committer ident is explicitly given */
	strbuf_addstr(&committer_ident, git_committer_info(0));
	if (use_editor && include_status) {
		char *ai_tmp, *ci_tmp;
		if (whence != FROM_COMMIT)
			status_printf_ln(s, GIT_COLOR_NORMAL,
				_("\n"
				"It looks like you may be committing a %s.\n"
				"If this is not correct, please remove the file\n"
				"	%s\n"
				"and try again.\n"
				""),
				whence_s(),
				git_path(whence == FROM_MERGE
					 ? "MERGE_HEAD"
					 : "CHERRY_PICK_HEAD"));

		fprintf(s->fp, "\n");
		status_printf(s, GIT_COLOR_NORMAL,
			_("Please enter the commit message for your changes."));
		if (cleanup_mode == CLEANUP_ALL)
			status_printf_more(s, GIT_COLOR_NORMAL,
				_(" Lines starting\n"
				"with '#' will be ignored, and an empty"
				" message aborts the commit.\n"));
		else /* CLEANUP_SPACE, that is. */
			status_printf_more(s, GIT_COLOR_NORMAL,
				_(" Lines starting\n"
				"with '#' will be kept; you may remove them"
				" yourself if you want to.\n"
				"An empty message aborts the commit.\n"));
		if (only_include_assumed)
			status_printf_ln(s, GIT_COLOR_NORMAL,
					"%s", only_include_assumed);

		ai_tmp = cut_ident_timestamp_part(author_ident->buf);
		ci_tmp = cut_ident_timestamp_part(committer_ident.buf);
		if (strcmp(author_ident->buf, committer_ident.buf))
			status_printf_ln(s, GIT_COLOR_NORMAL,
				_("%s"
				"Author:    %s"),
				ident_shown++ ? "" : "\n",
				author_ident->buf);

		if (!user_ident_sufficiently_given())
			status_printf_ln(s, GIT_COLOR_NORMAL,
				_("%s"
				"Committer: %s"),
				ident_shown++ ? "" : "\n",
				committer_ident.buf);

		if (ident_shown)
			status_printf_ln(s, GIT_COLOR_NORMAL, "");

		saved_color_setting = s->use_color;
		s->use_color = 0;
		commitable = run_status(s->fp, index_file, prefix, 1, s);
		s->use_color = saved_color_setting;

		*ai_tmp = ' ';
		*ci_tmp = ' ';
	} else {
		unsigned char sha1[20];
		const char *parent = "HEAD";

		if (!active_nr && read_cache() < 0)
			die(_("Cannot read index"));

		if (amend)
			parent = "HEAD^1";

		if (get_sha1(parent, sha1))
			commitable = !!active_nr;
		else
			commitable = index_differs_from(parent, 0);
	}
	strbuf_release(&committer_ident);

	fclose(s->fp);

	/*
	 * Reject an attempt to record a non-merge empty commit without
	 * explicit --allow-empty. In the cherry-pick case, it may be
	 * empty due to conflict resolution, which the user should okay.
	 */
	if (!commitable && whence != FROM_MERGE && !allow_empty &&
	    !(amend && is_a_merge(head_sha1))) {
		run_status(stdout, index_file, prefix, 0, s);
		if (amend)
			fputs(_(empty_amend_advice), stderr);
		else if (whence == FROM_CHERRY_PICK)
			fputs(_(empty_cherry_pick_advice), stderr);
		return 0;
	}

	/*
	 * Re-read the index as pre-commit hook could have updated it,
	 * and write it out as a tree.  We must do this before we invoke
	 * the editor and after we invoke run_status above.
	 */
	discard_cache();
	read_cache_from(index_file);
	if (!active_cache_tree)
		active_cache_tree = cache_tree();
	if (cache_tree_update(active_cache_tree,
			      active_cache, active_nr, 0, 0) < 0) {
		error(_("Error building trees"));
		return 0;
	}

	if (run_hook(index_file, "prepare-commit-msg",
		     git_path(commit_editmsg), hook_arg1, hook_arg2, NULL))
		return 0;

	if (use_editor) {
		char index[PATH_MAX];
		const char *env[2] = { NULL };
		env[0] =  index;
		snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
		if (launch_editor(git_path(commit_editmsg), NULL, env)) {
			fprintf(stderr,
			_("Please supply the message using either -m or -F option.\n"));
			exit(1);
		}
	}

	if (!no_verify &&
	    run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
		return 0;
	}

	return 1;
}