[RFC/PATCH 11/18] revert: add get_todo_content() and create_todo_file()

From

Christian Couder <chriscool@tuxfamily.org>

Date

Nov 25, 2010, 21:20 UTC

Message-ID

<20101125212050.5188.30170.chriscool@tuxfamily.org>

In-Reply-To

<20101125210138.5188.13115.chriscool@tuxfamily.org>

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 builtin/revert.c |   63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 63 insertions(+), 0 deletions(-)

diff --git a/builtin/revert.c b/builtin/revert.c
index 8b50e0c..7429be2 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -177,6 +177,69 @@ static char *get_encoding(const char *message, const unsigned char *sha1)
 	return NULL;
 }
 
+static void get_todo_content(struct strbuf *buf, struct commit_list *list,
+			     const char *line_prefix, struct args_info *info)
+{
+	struct commit_list *cur = list;
+	struct strbuf cmd = STRBUF_INIT;
+
+	if (line_prefix)
+		strbuf_addstr(&cmd, line_prefix);
+	strbuf_addstr(&cmd, info->action == REVERT ? "revert " : "pick ");
+	if (info->no_commit)
+		strbuf_addstr(&cmd, "-n ");
+	if (info->edit)
+		strbuf_addstr(&cmd, "-e ");
+	if (info->signoff)
+		strbuf_addstr(&cmd, "-s ");
+	if (info->mainline)
+		strbuf_addf(&cmd, "-m %d ", info->mainline);
+	if (info->allow_rerere_auto)
+		strbuf_addstr(&cmd, "--rerere-autoupdate ");
+	if (info->strategy)
+		strbuf_addf(&cmd, "--strategy %s ", info->strategy);
+	if (info->no_replay)
+		strbuf_addstr(&cmd, "-x ");
+	if (info->allow_ff)
+		strbuf_addstr(&cmd, "--ff ");
+
+	for (; cur; cur = cur->next) {
+		struct commit_message msg = { NULL, NULL, NULL, NULL, NULL };
+		const unsigned char *sha1 = cur->item->object.sha1;
+		if (get_message(cur->item->buffer, sha1, &msg) != 0)
+			die("Cannot get commit message for %s",
+			    sha1_to_hex(sha1));
+		strbuf_addbuf(buf, &cmd);
+		strbuf_addf(buf, " %s # %s\n",
+			    find_unique_abbrev(sha1, DEFAULT_ABBREV),
+			    msg.subject);
+		free_message(&msg);
+	}
+
+	strbuf_release(&cmd);
+}
+
+static void create_todo_file(const char *filepath, int append,
+			     struct commit_list *list, const char *line_prefix,
+			     struct args_info *info)
+{
+	int fd, flags;
+	struct strbuf buf = STRBUF_INIT;
+
+	get_todo_content(&buf, list, line_prefix, info);
+
+	flags = O_WRONLY | O_CREAT | (append ? O_APPEND : O_TRUNC);
+	fd = open(filepath, flags, 0666);
+	if (fd < 0)
+		die_errno("Could not open file '%s' for writing", filepath);
+
+	write_or_whine(fd, buf.buf, buf.len, filepath);
+
+	close(fd);
+
+	strbuf_release(&buf);
+}
+
 static void add_message_to_msg(struct strbuf *msgbuf, const char *message,
 			       const unsigned char *sha1)
 {

-- 
1.7.3.2.504.g59d466