Since we want to develop the functionality to either pick or revert
individual commits atomically later in the series, make "commit" a
local variable. Modify the get_message API to take "commit" as an
argument, factor out add_message_to_msg, and don't check the sole
argument in get_encoding.
Mentored-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
Helped-by: Junio C Hamano <gitster@xxxxxxxxx>
Signed-off-by: Ramkumar Ramachandra <artagnon@xxxxxxxxx>
---
builtin/revert.c | 47 ++++++++++++++++++-----------------------------
1 files changed, 18 insertions(+), 29 deletions(-)
diff --git a/builtin/revert.c b/builtin/revert.c
index ff26856..745295d 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -37,7 +37,6 @@ static const char * const cherry_pick_usage[] = {
static int edit, no_replay, no_commit, mainline, signoff, allow_ff;
static enum { REVERT, CHERRY_PICK } action;
-static struct commit *commit;
static int commit_argc;
static const char **commit_argv;
static int allow_rerere_auto;
@@ -116,25 +115,25 @@ struct commit_message {
const char *message;
};
-static int get_message(const char *raw_message, struct commit_message *out)
+static int get_message(struct commit *commit, struct commit_message *out)
{
const char *encoding;
const char *abbrev, *subject;
int abbrev_len, subject_len;
char *q;
- if (!raw_message)
+ if (!commit->buffer)
return -1;
- encoding = get_encoding(raw_message);
+ encoding = get_encoding(commit->buffer);
if (!encoding)
encoding = "UTF-8";
if (!git_commit_encoding)
git_commit_encoding = "UTF-8";
out->reencoded_message = NULL;
- out->message = raw_message;
+ out->message = commit->buffer;
if (strcmp(encoding, git_commit_encoding))
- out->reencoded_message = reencode_string(raw_message,
+ out->reencoded_message = reencode_string(commit->buffer,
git_commit_encoding, encoding);
if (out->reencoded_message)
out->message = out->reencoded_message;
@@ -167,9 +166,6 @@ static char *get_encoding(const char *message)
{
const char *p = message, *eol;
- if (!p)
- die (_("Could not read commit message of %s"),
- sha1_to_hex(commit->object.sha1));
while (*p && *p != '\n') {
for (eol = p + 1; *eol && *eol != '\n'; eol++)
; /* do nothing */
@@ -185,25 +181,12 @@ static char *get_encoding(const char *message)
return NULL;
}
-static void add_message_to_msg(struct strbuf *msgbuf, const char *message)
-{
- const char *p = message;
- while (*p && (*p != '\n' || p[1] != '\n'))
- p++;
-
- if (!*p)
- strbuf_addstr(msgbuf, sha1_to_hex(commit->object.sha1));
-
- p += 2;
- strbuf_addstr(msgbuf, p);
-}
-
-static void write_cherry_pick_head(void)
+static void write_cherry_pick_head(const char *commit_sha1_hex)
{
int fd;
struct strbuf buf = STRBUF_INIT;
- strbuf_addf(&buf, "%s\n", sha1_to_hex(commit->object.sha1));
+ strbuf_addf(&buf, "%s\n", commit_sha1_hex);
fd = open(git_path("CHERRY_PICK_HEAD"), O_WRONLY | O_CREAT, 0666);
if (fd < 0)
@@ -370,7 +353,7 @@ static int run_git_commit(const char *defmsg)
return run_command_v_opt(args, RUN_GIT_CMD);
}
-static int do_pick_commit(void)
+static int do_pick_commit(struct commit *commit)
{
unsigned char head[20];
struct commit *base, *next, *parent;
@@ -434,7 +417,7 @@ static int do_pick_commit(void)
return error(_("%s: cannot parse parent commit %s"),
me, sha1_to_hex(parent->object.sha1));
- if (get_message(commit->buffer, &msg) != 0)
+ if (get_message(commit, &msg) != 0)
return error(_("Cannot get commit message for %s"),
sha1_to_hex(commit->object.sha1));
@@ -467,14 +450,19 @@ static int do_pick_commit(void)
base_label = msg.parent_label;
next = commit;
next_label = msg.label;
- add_message_to_msg(&msgbuf, msg.message);
+
+ /* Add msg.message to msgbuf */
+ const char *p = strstr(msg.message, "\n\n");
+ p = p ? p + 2 : sha1_to_hex(commit->object.sha1);
+ strbuf_addstr(&msgbuf, p);
+
if (no_replay) {
strbuf_addstr(&msgbuf, "(cherry picked from commit ");
strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1));
strbuf_addstr(&msgbuf, ")\n");
}
if (!no_commit)
- write_cherry_pick_head();
+ write_cherry_pick_head(sha1_to_hex(commit->object.sha1));
}
if (!strategy || !strcmp(strategy, "recursive") || action == REVERT) {
@@ -552,6 +540,7 @@ static void read_and_refresh_cache(const char *me)
static int revert_or_cherry_pick(int argc, const char **argv)
{
struct rev_info revs;
+ struct commit *commit;
git_config(git_default_config, NULL);
me = action == REVERT ? "revert" : "cherry-pick";
@@ -574,7 +563,7 @@ static int revert_or_cherry_pick(int argc, const char **argv)
prepare_revs(&revs);
while ((commit = get_revision(&revs))) {
- int res = do_pick_commit();
+ int res = do_pick_commit(commit);
if (res)
return res;
}
--
1.7.5.GIT
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