X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=builtin%2Frevert.c;h=5ca81580d37b20e6f65fc8e8d1cdf09228f33ca1;hb=fd5c363da4635d81f29193ae19d8fa7b5657ab39;hp=b84b5b8645dce4fee190e7b11a5ac8ec24a994fc;hpb=5df16453d4da41e5a36de536acf9acc8aab98041;p=git.git

diff --git a/builtin/revert.c b/builtin/revert.c
index b84b5b864..5ca81580d 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -102,9 +102,9 @@ struct commit_message {
 static int get_message(const char *raw_message, struct commit_message *out)
 {
 	const char *encoding;
-	const char *p, *abbrev, *eol;
+	const char *abbrev, *subject;
+	int abbrev_len, subject_len;
 	char *q;
-	int abbrev_len, oneline_len;
 
 	if (!raw_message)
 		return -1;
@@ -125,27 +125,17 @@ static int get_message(const char *raw_message, struct commit_message *out)
 	abbrev = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV);
 	abbrev_len = strlen(abbrev);
 
-	/* Find beginning and end of commit subject. */
-	p = out->message;
-	while (*p && (*p != '\n' || p[1] != '\n'))
-		p++;
-	if (*p) {
-		p += 2;
-		for (eol = p + 1; *eol && *eol != '\n'; eol++)
-			; /* do nothing */
-	} else
-		eol = p;
-	oneline_len = eol - p;
+	subject_len = find_commit_subject(out->message, &subject);
 
 	out->parent_label = xmalloc(strlen("parent of ") + abbrev_len +
-			      strlen("... ") + oneline_len + 1);
+			      strlen("... ") + subject_len + 1);
 	q = out->parent_label;
 	q = mempcpy(q, "parent of ", strlen("parent of "));
 	out->label = q;
 	q = mempcpy(q, abbrev, abbrev_len);
 	q = mempcpy(q, "... ", strlen("... "));
 	out->subject = q;
-	q = mempcpy(q, p, oneline_len);
+	q = mempcpy(q, subject, subject_len);
 	*q = '\0';
 	return 0;
 }
@@ -241,27 +231,30 @@ static void set_author_ident_env(const char *message)
 			sha1_to_hex(commit->object.sha1));
 }
 
-static char *help_msg(void)
+static void advise(const char *advice, ...)
 {
-	struct strbuf helpbuf = STRBUF_INIT;
-	char *msg = getenv("GIT_CHERRY_PICK_HELP");
+	va_list params;
 
-	if (msg)
-		return msg;
+	va_start(params, advice);
+	vreportf("hint: ", advice, params);
+	va_end(params);
+}
 
-	strbuf_addstr(&helpbuf, "  After resolving the conflicts,\n"
-		"mark the corrected paths with 'git add <paths>' or 'git rm <paths>'\n"
-		"and commit the result");
+static void print_advice(void)
+{
+	char *msg = getenv("GIT_CHERRY_PICK_HELP");
 
-	if (action == CHERRY_PICK) {
-		strbuf_addf(&helpbuf, " with: \n"
-			"\n"
-			"        git commit -c %s\n",
-			    sha1_to_hex(commit->object.sha1));
+	if (msg) {
+		fprintf(stderr, "%s\n", msg);
+		return;
 	}
-	else
-		strbuf_addch(&helpbuf, '.');
-	return strbuf_detach(&helpbuf, NULL);
+
+	advise("after resolving the conflicts, mark the corrected paths");
+	advise("with 'git add <paths>' or 'git rm <paths>'");
+
+	if (action == CHERRY_PICK)
+		advise("and commit the result with 'git commit -c %s'",
+		       find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
 }
 
 static void write_message(struct strbuf *msgbuf, const char *filename)
@@ -395,7 +388,6 @@ static int do_pick_commit(void)
 	struct commit_message msg = { NULL, NULL, NULL, NULL, NULL };
 	char *defmsg = NULL;
 	struct strbuf msgbuf = STRBUF_INIT;
-	struct strbuf mebuf = STRBUF_INIT;
 	int res;
 
 	if (no_commit) {
@@ -492,8 +484,6 @@ static int do_pick_commit(void)
 		}
 	}
 
-	strbuf_addstr(&mebuf, me);
-
 	if (!strategy || !strcmp(strategy, "recursive") || action == REVERT) {
 		res = do_recursive_merge(base, next, base_label, next_label,
 					 head, &msgbuf);
@@ -502,7 +492,6 @@ static int do_pick_commit(void)
 		struct commit_list *common = NULL;
 		struct commit_list *remotes = NULL;
 
-		strbuf_addf(&mebuf, " with strategy %s", strategy);
 		write_message(&msgbuf, defmsg);
 
 		commit_list_insert(base, &common);
@@ -514,28 +503,21 @@ static int do_pick_commit(void)
 	}
 
 	if (res) {
-		fprintf(stderr, "Automatic %s failed.%s\n",
-			mebuf.buf, help_msg());
+		error("could not %s %s... %s",
+		      action == REVERT ? "revert" : "apply",
+		      find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV),
+		      msg.subject);
+		print_advice();
 		rerere(allow_rerere_auto);
 	} else {
-		fprintf(stderr, "Finished one %s.\n", mebuf.buf);
+		if (!no_commit)
+			res = run_git_commit(defmsg);
 	}
 
-	strbuf_release(&mebuf);
 	free_message(&msg);
-
-	if (res)
-		return 1;
-
-	if (!no_commit) {
-		res = run_git_commit(defmsg);
-		free(defmsg);
-		return res;
-	}
-
 	free(defmsg);
 
-	return 0;
+	return res;
 }
 
 static void prepare_revs(struct rev_info *revs)