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-rw-r--r--sequencer.c195
1 files changed, 81 insertions, 114 deletions
diff --git a/sequencer.c b/sequencer.c
index c4f4b7d571..a33c39b64f 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -21,6 +21,11 @@
const char sign_off_header[] = "Signed-off-by: ";
static const char cherry_picked_prefix[] = "(cherry picked from commit ";
+static GIT_PATH_FUNC(git_path_todo_file, SEQ_TODO_FILE)
+static GIT_PATH_FUNC(git_path_opts_file, SEQ_OPTS_FILE)
+static GIT_PATH_FUNC(git_path_seq_dir, SEQ_DIR)
+static GIT_PATH_FUNC(git_path_head_file, SEQ_HEAD_FILE)
+
static int is_rfc2822_line(const char *buf, int len)
{
int i;
@@ -119,62 +124,36 @@ static const char *action_name(const struct replay_opts *opts)
struct commit_message {
char *parent_label;
- const char *label;
- const char *subject;
+ char *label;
+ char *subject;
const char *message;
};
static int get_message(struct commit *commit, struct commit_message *out)
{
const char *abbrev, *subject;
- int abbrev_len, subject_len;
- char *q;
-
- if (!git_commit_encoding)
- git_commit_encoding = "UTF-8";
+ int subject_len;
- out->message = logmsg_reencode(commit, NULL, git_commit_encoding);
- abbrev = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV);
- abbrev_len = strlen(abbrev);
+ out->message = logmsg_reencode(commit, NULL, get_commit_output_encoding());
+ abbrev = find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV);
subject_len = find_commit_subject(out->message, &subject);
- out->parent_label = xmalloc(strlen("parent of ") + abbrev_len +
- 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, subject, subject_len);
- *q = '\0';
+ out->subject = xmemdupz(subject, subject_len);
+ out->label = xstrfmt("%s... %s", abbrev, out->subject);
+ out->parent_label = xstrfmt("parent of %s", out->label);
+
return 0;
}
static void free_message(struct commit *commit, struct commit_message *msg)
{
free(msg->parent_label);
+ free(msg->label);
+ free(msg->subject);
unuse_commit_buffer(commit, msg->message);
}
-static void write_cherry_pick_head(struct commit *commit, const char *pseudoref)
-{
- const char *filename;
- int fd;
- struct strbuf buf = STRBUF_INIT;
-
- strbuf_addf(&buf, "%s\n", sha1_to_hex(commit->object.sha1));
-
- filename = git_path("%s", pseudoref);
- fd = open(filename, O_WRONLY | O_CREAT, 0666);
- if (fd < 0)
- die_errno(_("Could not open '%s' for writing"), filename);
- if (write_in_full(fd, buf.buf, buf.len) != buf.len || close(fd))
- die_errno(_("Could not write to '%s'"), filename);
- strbuf_release(&buf);
-}
-
static void print_advice(int show_hint, struct replay_opts *opts)
{
char *msg = getenv("GIT_CHERRY_PICK_HELP");
@@ -186,7 +165,7 @@ static void print_advice(int show_hint, struct replay_opts *opts)
* (typically rebase --interactive) wants to take care
* of the commit itself so remove CHERRY_PICK_HEAD
*/
- unlink(git_path("CHERRY_PICK_HEAD"));
+ unlink(git_path_cherry_pick_head());
return;
}
@@ -358,7 +337,7 @@ static int is_index_unchanged(void)
if (cache_tree_update(&the_index, 0))
return error(_("Unable to update cache tree\n"));
- return !hashcmp(active_cache_tree->sha1, head_commit->tree->object.sha1);
+ return !hashcmp(active_cache_tree->sha1, head_commit->tree->object.oid.hash);
}
/*
@@ -409,18 +388,18 @@ static int is_original_commit_empty(struct commit *commit)
if (parse_commit(commit))
return error(_("Could not parse commit %s\n"),
- sha1_to_hex(commit->object.sha1));
+ oid_to_hex(&commit->object.oid));
if (commit->parents) {
struct commit *parent = commit->parents->item;
if (parse_commit(parent))
return error(_("Could not parse parent commit %s\n"),
- sha1_to_hex(parent->object.sha1));
- ptree_sha1 = parent->tree->object.sha1;
+ oid_to_hex(&parent->object.oid));
+ ptree_sha1 = parent->tree->object.oid.hash;
} else {
ptree_sha1 = EMPTY_TREE_SHA1_BIN; /* commit is root */
}
- return !hashcmp(ptree_sha1, commit->tree->object.sha1);
+ return !hashcmp(ptree_sha1, commit->tree->object.oid.hash);
}
/*
@@ -467,7 +446,6 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
struct commit *base, *next, *parent;
const char *base_label, *next_label;
struct commit_message msg = { NULL, NULL, NULL, NULL };
- char *defmsg = NULL;
struct strbuf msgbuf = STRBUF_INIT;
int res, unborn = 0, allow;
@@ -499,7 +477,7 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
if (!opts->mainline)
return error(_("Commit %s is a merge but no -m option was given."),
- sha1_to_hex(commit->object.sha1));
+ oid_to_hex(&commit->object.oid));
for (cnt = 1, p = commit->parents;
cnt != opts->mainline && p;
@@ -507,28 +485,28 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
p = p->next;
if (cnt != opts->mainline || !p)
return error(_("Commit %s does not have parent %d"),
- sha1_to_hex(commit->object.sha1), opts->mainline);
+ oid_to_hex(&commit->object.oid), opts->mainline);
parent = p->item;
} else if (0 < opts->mainline)
return error(_("Mainline was specified but commit %s is not a merge."),
- sha1_to_hex(commit->object.sha1));
+ oid_to_hex(&commit->object.oid));
else
parent = commit->parents->item;
if (opts->allow_ff &&
- ((parent && !hashcmp(parent->object.sha1, head)) ||
+ ((parent && !hashcmp(parent->object.oid.hash, head)) ||
(!parent && unborn)))
- return fast_forward_to(commit->object.sha1, head, unborn, opts);
+ return fast_forward_to(commit->object.oid.hash, head, unborn, opts);
if (parent && parse_commit(parent) < 0)
/* TRANSLATORS: The first %s will be "revert" or
"cherry-pick", the second %s a SHA1 */
return error(_("%s: cannot parse parent commit %s"),
- action_name(opts), sha1_to_hex(parent->object.sha1));
+ action_name(opts), oid_to_hex(&parent->object.oid));
if (get_message(commit, &msg) != 0)
return error(_("Cannot get commit message for %s"),
- sha1_to_hex(commit->object.sha1));
+ oid_to_hex(&commit->object.oid));
/*
* "commit" is an existing commit. We would want to apply
@@ -537,8 +515,6 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
* reverse of it if we are revert.
*/
- defmsg = git_pathdup("MERGE_MSG");
-
if (opts->action == REPLAY_REVERT) {
base = commit;
base_label = msg.label;
@@ -547,11 +523,11 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
strbuf_addstr(&msgbuf, "Revert \"");
strbuf_addstr(&msgbuf, msg.subject);
strbuf_addstr(&msgbuf, "\"\n\nThis reverts commit ");
- strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1));
+ strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid));
if (commit->parents && commit->parents->next) {
strbuf_addstr(&msgbuf, ", reversing\nchanges made to ");
- strbuf_addstr(&msgbuf, sha1_to_hex(parent->object.sha1));
+ strbuf_addstr(&msgbuf, oid_to_hex(&parent->object.oid));
}
strbuf_addstr(&msgbuf, ".\n");
} else {
@@ -568,16 +544,14 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
* information followed by "\n\n".
*/
p = strstr(msg.message, "\n\n");
- if (p) {
- p += 2;
- strbuf_addstr(&msgbuf, p);
- }
+ if (p)
+ strbuf_addstr(&msgbuf, skip_blank_lines(p + 2));
if (opts->record_origin) {
if (!has_conforming_footer(&msgbuf, NULL, 0))
strbuf_addch(&msgbuf, '\n');
strbuf_addstr(&msgbuf, cherry_picked_prefix);
- strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1));
+ strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid));
strbuf_addstr(&msgbuf, ")\n");
}
}
@@ -585,12 +559,12 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
if (!opts->strategy || !strcmp(opts->strategy, "recursive") || opts->action == REPLAY_REVERT) {
res = do_recursive_merge(base, next, base_label, next_label,
head, &msgbuf, opts);
- write_message(&msgbuf, defmsg);
+ write_message(&msgbuf, git_path_merge_msg());
} else {
struct commit_list *common = NULL;
struct commit_list *remotes = NULL;
- write_message(&msgbuf, defmsg);
+ write_message(&msgbuf, git_path_merge_msg());
commit_list_insert(base, &common);
commit_list_insert(next, &remotes);
@@ -607,15 +581,17 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
* write it at all.
*/
if (opts->action == REPLAY_PICK && !opts->no_commit && (res == 0 || res == 1))
- write_cherry_pick_head(commit, "CHERRY_PICK_HEAD");
+ update_ref(NULL, "CHERRY_PICK_HEAD", commit->object.oid.hash, NULL,
+ REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
if (opts->action == REPLAY_REVERT && ((opts->no_commit && res == 0) || res == 1))
- write_cherry_pick_head(commit, "REVERT_HEAD");
+ update_ref(NULL, "REVERT_HEAD", commit->object.oid.hash, NULL,
+ REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
if (res) {
error(opts->action == REPLAY_REVERT
? _("could not revert %s... %s")
: _("could not apply %s... %s"),
- find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV),
+ find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV),
msg.subject);
print_advice(res == 1, opts);
rerere(opts->allow_rerere_auto);
@@ -628,11 +604,10 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
goto leave;
}
if (!opts->no_commit)
- res = run_git_commit(defmsg, opts, allow);
+ res = run_git_commit(git_path_merge_msg(), opts, allow);
leave:
free_message(commit, &msg);
- free(defmsg);
return res;
}
@@ -678,7 +653,7 @@ static int format_todo(struct strbuf *buf, struct commit_list *todo_list,
for (cur = todo_list; cur; cur = cur->next) {
const char *commit_buffer = get_commit_buffer(cur->item, NULL);
- sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV);
+ sha1_abbrev = find_unique_abbrev(cur->item->object.oid.hash, DEFAULT_ABBREV);
subject_len = find_commit_subject(commit_buffer, &subject);
strbuf_addf(buf, "%s %s %.*s\n", action_str, sha1_abbrev,
subject_len, subject);
@@ -756,24 +731,23 @@ static int parse_insn_buffer(char *buf, struct commit_list **todo_list,
static void read_populate_todo(struct commit_list **todo_list,
struct replay_opts *opts)
{
- const char *todo_file = git_path(SEQ_TODO_FILE);
struct strbuf buf = STRBUF_INIT;
int fd, res;
- fd = open(todo_file, O_RDONLY);
+ fd = open(git_path_todo_file(), O_RDONLY);
if (fd < 0)
- die_errno(_("Could not open %s"), todo_file);
+ die_errno(_("Could not open %s"), git_path_todo_file());
if (strbuf_read(&buf, fd, 0) < 0) {
close(fd);
strbuf_release(&buf);
- die(_("Could not read %s."), todo_file);
+ die(_("Could not read %s."), git_path_todo_file());
}
close(fd);
res = parse_insn_buffer(buf.buf, todo_list, opts);
strbuf_release(&buf);
if (res)
- die(_("Unusable instruction sheet: %s"), todo_file);
+ die(_("Unusable instruction sheet: %s"), git_path_todo_file());
}
static int populate_opts_cb(const char *key, const char *value, void *data)
@@ -813,12 +787,10 @@ static int populate_opts_cb(const char *key, const char *value, void *data)
static void read_populate_opts(struct replay_opts **opts_ptr)
{
- const char *opts_file = git_path(SEQ_OPTS_FILE);
-
- if (!file_exists(opts_file))
+ if (!file_exists(git_path_opts_file()))
return;
- if (git_config_from_file(populate_opts_cb, opts_file, *opts_ptr) < 0)
- die(_("Malformed options sheet: %s"), opts_file);
+ if (git_config_from_file(populate_opts_cb, git_path_opts_file(), *opts_ptr) < 0)
+ die(_("Malformed options sheet: %s"), git_path_opts_file());
}
static void walk_revs_populate_todo(struct commit_list **todo_list,
@@ -836,31 +808,29 @@ static void walk_revs_populate_todo(struct commit_list **todo_list,
static int create_seq_dir(void)
{
- const char *seq_dir = git_path(SEQ_DIR);
-
- if (file_exists(seq_dir)) {
+ if (file_exists(git_path_seq_dir())) {
error(_("a cherry-pick or revert is already in progress"));
advise(_("try \"git cherry-pick (--continue | --quit | --abort)\""));
return -1;
}
- else if (mkdir(seq_dir, 0777) < 0)
- die_errno(_("Could not create sequencer directory %s"), seq_dir);
+ else if (mkdir(git_path_seq_dir(), 0777) < 0)
+ die_errno(_("Could not create sequencer directory %s"),
+ git_path_seq_dir());
return 0;
}
static void save_head(const char *head)
{
- const char *head_file = git_path(SEQ_HEAD_FILE);
static struct lock_file head_lock;
struct strbuf buf = STRBUF_INIT;
int fd;
- fd = hold_lock_file_for_update(&head_lock, head_file, LOCK_DIE_ON_ERROR);
+ fd = hold_lock_file_for_update(&head_lock, git_path_head_file(), LOCK_DIE_ON_ERROR);
strbuf_addf(&buf, "%s\n", head);
if (write_in_full(fd, buf.buf, buf.len) < 0)
- die_errno(_("Could not write to %s"), head_file);
+ die_errno(_("Could not write to %s"), git_path_head_file());
if (commit_lock_file(&head_lock) < 0)
- die(_("Error wrapping up %s."), head_file);
+ die(_("Error wrapping up %s."), git_path_head_file());
}
static int reset_for_rollback(const unsigned char *sha1)
@@ -877,8 +847,8 @@ static int rollback_single_pick(void)
{
unsigned char head_sha1[20];
- if (!file_exists(git_path("CHERRY_PICK_HEAD")) &&
- !file_exists(git_path("REVERT_HEAD")))
+ if (!file_exists(git_path_cherry_pick_head()) &&
+ !file_exists(git_path_revert_head()))
return error(_("no cherry-pick or revert in progress"));
if (read_ref_full("HEAD", 0, head_sha1, NULL))
return error(_("cannot resolve HEAD"));
@@ -889,13 +859,11 @@ static int rollback_single_pick(void)
static int sequencer_rollback(struct replay_opts *opts)
{
- const char *filename;
FILE *f;
unsigned char sha1[20];
struct strbuf buf = STRBUF_INIT;
- filename = git_path(SEQ_HEAD_FILE);
- f = fopen(filename, "r");
+ f = fopen(git_path_head_file(), "r");
if (!f && errno == ENOENT) {
/*
* There is no multiple-cherry-pick in progress.
@@ -905,18 +873,21 @@ static int sequencer_rollback(struct replay_opts *opts)
return rollback_single_pick();
}
if (!f)
- return error(_("cannot open %s: %s"), filename,
- strerror(errno));
- if (strbuf_getline(&buf, f, '\n')) {
- error(_("cannot read %s: %s"), filename, ferror(f) ?
- strerror(errno) : _("unexpected end of file"));
+ return error_errno(_("cannot open %s"), git_path_head_file());
+ if (strbuf_getline_lf(&buf, f)) {
+ error(_("cannot read %s: %s"), git_path_head_file(),
+ ferror(f) ? strerror(errno) : _("unexpected end of file"));
fclose(f);
goto fail;
}
fclose(f);
if (get_sha1_hex(buf.buf, sha1) || buf.buf[40] != '\0') {
error(_("stored pre-cherry-pick HEAD file '%s' is corrupt"),
- filename);
+ git_path_head_file());
+ goto fail;
+ }
+ if (is_null_sha1(sha1)) {
+ error(_("cannot abort from a branch yet to be born"));
goto fail;
}
if (reset_for_rollback(sha1))
@@ -931,28 +902,27 @@ fail:
static void save_todo(struct commit_list *todo_list, struct replay_opts *opts)
{
- const char *todo_file = git_path(SEQ_TODO_FILE);
static struct lock_file todo_lock;
struct strbuf buf = STRBUF_INIT;
int fd;
- fd = hold_lock_file_for_update(&todo_lock, todo_file, LOCK_DIE_ON_ERROR);
+ fd = hold_lock_file_for_update(&todo_lock, git_path_todo_file(), LOCK_DIE_ON_ERROR);
if (format_todo(&buf, todo_list, opts) < 0)
- die(_("Could not format %s."), todo_file);
+ die(_("Could not format %s."), git_path_todo_file());
if (write_in_full(fd, buf.buf, buf.len) < 0) {
strbuf_release(&buf);
- die_errno(_("Could not write to %s"), todo_file);
+ die_errno(_("Could not write to %s"), git_path_todo_file());
}
if (commit_lock_file(&todo_lock) < 0) {
strbuf_release(&buf);
- die(_("Error wrapping up %s."), todo_file);
+ die(_("Error wrapping up %s."), git_path_todo_file());
}
strbuf_release(&buf);
}
static void save_opts(struct replay_opts *opts)
{
- const char *opts_file = git_path(SEQ_OPTS_FILE);
+ const char *opts_file = git_path_opts_file();
if (opts->no_commit)
git_config_set_in_file(opts_file, "options.no-commit", "true");
@@ -1013,8 +983,8 @@ static int continue_single_pick(void)
{
const char *argv[] = { "commit", NULL };
- if (!file_exists(git_path("CHERRY_PICK_HEAD")) &&
- !file_exists(git_path("REVERT_HEAD")))
+ if (!file_exists(git_path_cherry_pick_head()) &&
+ !file_exists(git_path_revert_head()))
return error(_("no cherry-pick or revert in progress"));
return run_command_v_opt(argv, RUN_GIT_CMD);
}
@@ -1023,14 +993,14 @@ static int sequencer_continue(struct replay_opts *opts)
{
struct commit_list *todo_list = NULL;
- if (!file_exists(git_path(SEQ_TODO_FILE)))
+ if (!file_exists(git_path_todo_file()))
return continue_single_pick();
read_populate_opts(&opts);
read_populate_todo(&todo_list, opts);
/* Verify that the conflict has been resolved */
- if (file_exists(git_path("CHERRY_PICK_HEAD")) ||
- file_exists(git_path("REVERT_HEAD"))) {
+ if (file_exists(git_path_cherry_pick_head()) ||
+ file_exists(git_path_revert_head())) {
int ret = continue_single_pick();
if (ret)
return ret;
@@ -1118,11 +1088,8 @@ int sequencer_pick_revisions(struct replay_opts *opts)
walk_revs_populate_todo(&todo_list, opts);
if (create_seq_dir() < 0)
return -1;
- if (get_sha1("HEAD", sha1)) {
- if (opts->action == REPLAY_REVERT)
- return error(_("Can't revert as initial commit"));
- return error(_("Can't cherry-pick into empty head"));
- }
+ if (get_sha1("HEAD", sha1) && (opts->action == REPLAY_REVERT))
+ return error(_("Can't revert as initial commit"));
save_head(sha1_to_hex(sha1));
save_opts(opts);
return pick_commits(todo_list, opts);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 19:30:43 +0000