From: Felipe Contreras <felipe.contreras@gmail.com>
To: git@vger.kernel.org
Cc: Junio C Hamano <gitster@pobox.com>,
Jonathan Nieder <jrnieder@gmail.com>,
Ramkumar Ramachandra <artagnon@gmail.com>,
Christian Couder <chriscool@tuxfamily.org>,
Thomas Rast <trast@inf.ethz.ch>,
Felipe Contreras <felipe.contreras@gmail.com>
Subject: [PATCH v2 4/8] cherry-pick: store rewritten commits
Date: Tue, 28 May 2013 22:56:24 -0500 [thread overview]
Message-ID: <1369799788-24803-5-git-send-email-felipe.contreras@gmail.com> (raw)
In-Reply-To: <1369799788-24803-1-git-send-email-felipe.contreras@gmail.com>
Will be useful for the next commits.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---
sequencer.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
sequencer.h | 1 +
2 files changed, 95 insertions(+), 1 deletion(-)
diff --git a/sequencer.c b/sequencer.c
index d3c7d72..c217716 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -20,6 +20,18 @@
const char sign_off_header[] = "Signed-off-by: ";
static const char cherry_picked_prefix[] = "(cherry picked from commit ";
+struct rewritten_list_item {
+ unsigned char from[20];
+ unsigned char to[20];
+};
+
+struct rewritten_list {
+ struct rewritten_list_item *items;
+ unsigned int nr, alloc;
+};
+
+static struct rewritten_list rewritten;
+
static int is_rfc2822_line(const char *buf, int len)
{
int i;
@@ -102,6 +114,19 @@ static int has_conforming_footer(struct strbuf *sb, struct strbuf *sob,
return 1;
}
+static void add_rewritten(unsigned char *from, unsigned char *to)
+{
+ struct rewritten_list_item *item;
+ if (rewritten.nr + 1 >= rewritten.alloc) {
+ rewritten.alloc += 32;
+ rewritten.items = xrealloc(rewritten.items, rewritten.alloc * sizeof(*rewritten.items));
+ }
+ item = &rewritten.items[rewritten.nr];
+ hashcpy(item->from, from);
+ hashcpy(item->to, to);
+ rewritten.nr++;
+}
+
static void remove_sequencer_state(void)
{
struct strbuf seq_dir = STRBUF_INIT;
@@ -641,6 +666,14 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
if (!opts->no_commit)
res = run_git_commit(defmsg, opts, allow);
+ if (!res) {
+ unsigned char to[20];
+
+ if (read_ref("HEAD", to))
+ goto leave;
+
+ add_rewritten(commit->object.sha1, to);
+ }
leave:
free_message(&msg);
free(defmsg);
@@ -786,6 +819,40 @@ static void read_populate_todo(struct commit_list **todo_list,
die(_("Unusable instruction sheet: %s"), todo_file);
}
+static void read_populate_rewritten(void)
+{
+ const char *rewritten_file = git_path(SEQ_REWR_FILE);
+ struct strbuf buf = STRBUF_INIT;
+ char *p;
+ int fd;
+
+ fd = open(rewritten_file, O_RDONLY);
+ if (fd < 0)
+ return;
+ if (strbuf_read(&buf, fd, 0) < 0) {
+ close(fd);
+ strbuf_release(&buf);
+ return;
+ }
+ close(fd);
+
+ for (p = buf.buf; *p;) {
+ unsigned char from[20];
+ unsigned char to[20];
+ char *eol = strchrnul(p, '\n');
+ if (eol - p != 81)
+ /* wrong size */
+ break;
+ if (get_sha1_hex(p, from))
+ break;
+ if (get_sha1_hex(p + 41, to))
+ break;
+ add_rewritten(from, to);
+ p = *eol ? eol + 1 : eol;
+ }
+ strbuf_release(&buf);
+}
+
static int populate_opts_cb(const char *key, const char *value, void *data)
{
struct replay_opts *opts = data;
@@ -958,6 +1025,29 @@ static void save_todo(struct commit_list *todo_list, struct replay_opts *opts)
strbuf_release(&buf);
}
+static void save_rewritten(void)
+{
+ const char *todo_file = git_path(SEQ_REWR_FILE);
+ static struct lock_file rewritten_lock;
+ struct strbuf buf = STRBUF_INIT;
+ int fd, i;
+
+ fd = hold_lock_file_for_update(&rewritten_lock, todo_file, LOCK_DIE_ON_ERROR);
+ for (i = 0; i < rewritten.nr; i++) {
+ struct rewritten_list_item *item = &rewritten.items[i];
+ strbuf_addf(&buf, "%s %s\n", sha1_to_hex(item->from), sha1_to_hex(item->to));
+ }
+ if (write_in_full(fd, buf.buf, buf.len) < 0) {
+ strbuf_release(&buf);
+ die_errno(_("Could not write to %s"), todo_file);
+ }
+ if (commit_lock_file(&rewritten_lock) < 0) {
+ strbuf_release(&buf);
+ die(_("Error wrapping up %s."), todo_file);
+ }
+ strbuf_release(&buf);
+}
+
static void save_opts(struct replay_opts *opts)
{
const char *opts_file = git_path(SEQ_OPTS_FILE);
@@ -1003,8 +1093,10 @@ static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts)
for (cur = todo_list; cur; cur = cur->next) {
save_todo(cur, opts);
res = do_pick_commit(cur->item, opts);
- if (res)
+ if (res) {
+ save_rewritten();
return res;
+ }
}
/*
@@ -1033,6 +1125,7 @@ static int sequencer_continue(struct replay_opts *opts)
return continue_single_pick();
read_populate_opts(&opts);
read_populate_todo(&todo_list, opts);
+ read_populate_rewritten();
/* Verify that the conflict has been resolved */
if (file_exists(git_path("CHERRY_PICK_HEAD")) ||
diff --git a/sequencer.h b/sequencer.h
index 3b04844..84b9957 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -5,6 +5,7 @@
#define SEQ_HEAD_FILE "sequencer/head"
#define SEQ_TODO_FILE "sequencer/todo"
#define SEQ_OPTS_FILE "sequencer/opts"
+#define SEQ_REWR_FILE "sequencer/rewritten"
#define APPEND_SIGNOFF_DEDUP (1u << 0)
--
1.8.3.rc3.312.g47657de
next prev parent reply other threads:[~2013-05-29 3:58 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-29 3:56 [PATCH v2 0/8] cherry-pick: improvements Felipe Contreras
2013-05-29 3:56 ` [PATCH v2 1/8] sequencer: remove useless indentation Felipe Contreras
2013-05-29 3:56 ` [PATCH v2 2/8] sequencer: trivial fix Felipe Contreras
2013-05-29 3:56 ` [PATCH v2 3/8] cherry-pick: add --skip-empty option Felipe Contreras
2013-06-03 18:40 ` Junio C Hamano
2013-06-03 19:21 ` Junio C Hamano
2013-06-03 21:10 ` Felipe Contreras
2013-06-03 21:45 ` Junio C Hamano
2013-06-04 17:10 ` Felipe Contreras
2013-06-04 17:35 ` Junio C Hamano
2013-06-04 17:40 ` Felipe Contreras
2013-06-04 18:30 ` Junio C Hamano
2013-06-05 14:52 ` Felipe Contreras
2013-06-05 18:13 ` Junio C Hamano
2013-06-06 5:01 ` Felipe Contreras
2013-06-04 6:31 ` Antoine Pelisse
2013-05-29 3:56 ` Felipe Contreras [this message]
2013-06-03 18:49 ` [PATCH v2 4/8] cherry-pick: store rewritten commits Junio C Hamano
2013-06-03 20:55 ` Felipe Contreras
2013-05-29 3:56 ` [PATCH v2 5/8] sequencer: run post-rewrite hook Felipe Contreras
2013-06-03 18:57 ` Junio C Hamano
2013-06-03 21:01 ` Felipe Contreras
2013-06-04 9:03 ` Thomas Rast
2013-05-29 3:56 ` [PATCH v2 6/8] cherry-pick: add support to copy notes Felipe Contreras
2013-05-29 3:56 ` [PATCH v2 7/8] revert/cherry-pick: add --quiet option Felipe Contreras
2013-05-29 12:33 ` Ramkumar Ramachandra
2013-05-29 13:28 ` Felipe Contreras
2013-05-29 13:32 ` Ramkumar Ramachandra
2013-05-29 13:40 ` Felipe Contreras
2013-06-03 18:59 ` Junio C Hamano
2013-05-29 3:56 ` [PATCH v2 8/8] revert/cherry-pick: add --skip option Felipe Contreras
2013-05-29 12:27 ` Ramkumar Ramachandra
2013-05-29 13:27 ` Felipe Contreras
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