1 files changed, 34 insertions, 13 deletions

diff --git a/builtin/commit.c b/builtin/commit.c
index 38f34e7cd3..f0b790640d 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -611,7 +611,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 	/* This checks and barfs if author is badly specified */
 	determine_author_info(author_ident);
 
-	if (!no_verify && run_hook(index_file, "pre-commit", NULL))
+	if (!no_verify && run_commit_hook(use_editor, index_file, "pre-commit", NULL))
 		return 0;
 
 	if (squash_message) {
@@ -873,8 +873,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 		return 0;
 	}
 
-	if (run_hook(index_file, "prepare-commit-msg",
-		     git_path(commit_editmsg), hook_arg1, hook_arg2, NULL))
+	if (run_commit_hook(use_editor, index_file, "prepare-commit-msg",
+			    git_path(commit_editmsg), hook_arg1, hook_arg2, NULL))
 		return 0;
 
 	if (use_editor) {
@@ -890,7 +890,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 	}
 
 	if (!no_verify &&
-	    run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
+	    run_commit_hook(use_editor, index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
 		return 0;
 	}
 
@@ -1074,8 +1074,6 @@ static int parse_and_validate_options(int argc, const char *argv[],
 		use_editor = 0;
 	if (0 <= edit_flag)
 		use_editor = edit_flag;
-	if (!use_editor)
-		setenv("GIT_EDITOR", ":", 1);
 
 	/* Sanity check options */
 	if (amend && !current_head)
@@ -1130,7 +1128,7 @@ static int parse_and_validate_options(int argc, const char *argv[],
 	if (argc == 0 && only && amend)
 		only_include_assumed = _("Clever... amending the last one with dirty index.");
 	if (argc > 0 && !also && !only)
-		only_include_assumed = _("Explicit paths specified without -i nor -o; assuming --only paths...");
+		only_include_assumed = _("Explicit paths specified without -i or -o; assuming --only paths...");
 	if (!cleanup_arg || !strcmp(cleanup_arg, "default"))
 		cleanup_mode = use_editor ? CLEANUP_ALL : CLEANUP_SPACE;
 	else if (!strcmp(cleanup_arg, "verbatim"))
@@ -1458,6 +1456,29 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
 	return finish_command(&proc);
 }
 
+int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...)
+{
+	const char *hook_env[3] =  { NULL };
+	char index[PATH_MAX];
+	va_list args;
+	int ret;
+
+	snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
+	hook_env[0] = index;
+
+	/*
+	 * Let the hook know that no editor will be launched.
+	 */
+	if (!editor_is_used)
+		hook_env[1] = "GIT_EDITOR=:";
+
+	va_start(args, name);
+	ret = run_hook_ve(hook_env, name, args);
+	va_end(args);
+
+	return ret;
+}
+
 int cmd_commit(int argc, const char **argv, const char *prefix)
 {
 	static struct wt_status s;
@@ -1480,7 +1501,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 		OPT_BOOL('e', "edit", &edit_flag, N_("force edit of commit")),
 		OPT_STRING(0, "cleanup", &cleanup_arg, N_("default"), N_("how to strip spaces and #comments from message")),
 		OPT_BOOL(0, "status", &include_status, N_("include status in commit message template")),
-		{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key id"),
+		{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"),
 		  N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
 		/* end commit message options */
 
@@ -1651,6 +1672,10 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 					   ? NULL
 					   : current_head->object.sha1,
 					   0, NULL);
+	if (!ref_lock) {
+		rollback_index_files();
+		die(_("cannot lock HEAD ref"));
+	}
 
 	nl = strchr(sb.buf, '\n');
 	if (nl)
@@ -1660,10 +1685,6 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 	strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg));
 	strbuf_insert(&sb, strlen(reflog_msg), ": ", 2);
 
-	if (!ref_lock) {
-		rollback_index_files();
-		die(_("cannot lock HEAD ref"));
-	}
 	if (write_ref_sha1(ref_lock, sha1, sb.buf) < 0) {
 		rollback_index_files();
 		die(_("cannot update HEAD ref"));
@@ -1682,7 +1703,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 		     "not exceeded, and then \"git reset HEAD\" to recover."));
 
 	rerere(0);
-	run_hook(get_index_file(), "post-commit", NULL);
+	run_commit_hook(use_editor, get_index_file(), "post-commit", NULL);
 	if (amend && !no_post_rewrite) {
 		struct notes_rewrite_cfg *cfg;
 		cfg = init_copy_notes_for_rewrite("amend");