Instead of directly writing to and reading from files in
$GIT_DIR, use ref API to interact with CHERRY_PICK_HEAD
and REVERT_HEAD.
Signed-off-by: David Turner <dturner@xxxxxxxxxxxxxxxx>
---
branch.c | 4 ++--
builtin/commit.c | 6 +++---
builtin/merge.c | 2 +-
contrib/completion/git-prompt.sh | 4 ++--
git-gui/lib/commit.tcl | 2 +-
refs.c | 32 +++++++++++++++++++-------------
sequencer.c | 37 +++++++++++++++++++------------------
t/t7509-commit.sh | 4 ++--
wt-status.c | 6 ++----
9 files changed, 51 insertions(+), 46 deletions(-)
diff --git a/branch.c b/branch.c
index b002435..ec598aa 100644
--- a/branch.c
+++ b/branch.c
@@ -302,8 +302,8 @@ void create_branch(const char *head,
void remove_branch_state(void)
{
- unlink(git_path("CHERRY_PICK_HEAD"));
- unlink(git_path("REVERT_HEAD"));
+ delete_ref("CHERRY_PICK_HEAD", NULL, REF_NODEREF);
+ delete_ref("REVERT_HEAD", NULL, REF_NODEREF);
unlink(git_path("MERGE_HEAD"));
unlink(git_path("MERGE_RR"));
unlink(git_path("MERGE_MSG"));
diff --git a/builtin/commit.c b/builtin/commit.c
index b5b1158..53c7e90 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -168,7 +168,7 @@ static void determine_whence(struct wt_status *s)
{
if (file_exists(git_path("MERGE_HEAD")))
whence = FROM_MERGE;
- else if (file_exists(git_path("CHERRY_PICK_HEAD"))) {
+ else if (ref_exists("CHERRY_PICK_HEAD")) {
whence = FROM_CHERRY_PICK;
if (file_exists(git_path(SEQ_DIR)))
sequencer_in_use = 1;
@@ -1777,8 +1777,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
}
ref_transaction_free(transaction);
- unlink(git_path("CHERRY_PICK_HEAD"));
- unlink(git_path("REVERT_HEAD"));
+ delete_ref("CHERRY_PICK_HEAD", NULL, REF_NODEREF);
+ delete_ref("REVERT_HEAD", NULL, REF_NODEREF);
unlink(git_path("MERGE_HEAD"));
unlink(git_path("MERGE_MSG"));
unlink(git_path("MERGE_MODE"));
diff --git a/builtin/merge.c b/builtin/merge.c
index 46aacd6..3e2ae2f 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -1206,7 +1206,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
else
die(_("You have not concluded your merge (MERGE_HEAD exists)."));
}
- if (file_exists(git_path("CHERRY_PICK_HEAD"))) {
+ if (ref_exists("CHERRY_PICK_HEAD")) {
if (advice_resolve_conflict)
die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).\n"
"Please, commit your changes before you merge."));
diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index 366f0bc..e2c5583 100644
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -415,9 +415,9 @@ __git_ps1 ()
fi
elif [ -f "$g/MERGE_HEAD" ]; then
r="|MERGING"
- elif [ -f "$g/CHERRY_PICK_HEAD" ]; then
+ elif git rev-parse --quiet --verify "CHERRY_PICK_HEAD" >/dev/null; then
r="|CHERRY-PICKING"
- elif [ -f "$g/REVERT_HEAD" ]; then
+ elif git rev-parse --quiet --verify "REVERT_HEAD" >/dev/null; then
r="|REVERTING"
elif [ -f "$g/BISECT_LOG" ]; then
r="|BISECTING"
diff --git a/git-gui/lib/commit.tcl b/git-gui/lib/commit.tcl
index 864b687..2b08b13 100644
--- a/git-gui/lib/commit.tcl
+++ b/git-gui/lib/commit.tcl
@@ -409,7 +409,7 @@ A rescan will be automatically started now.
catch {file delete [gitdir MERGE_MSG]}
catch {file delete [gitdir SQUASH_MSG]}
catch {file delete [gitdir GITGUI_MSG]}
- catch {file delete [gitdir CHERRY_PICK_HEAD]}
+ catch {git update-ref -d --no-deref CHERRY_PICK_HEAD}
# -- Let rerere do its thing.
#
diff --git a/refs.c b/refs.c
index b34a54a..de7b5ef 100644
--- a/refs.c
+++ b/refs.c
@@ -2979,7 +2979,7 @@ static int write_ref_to_lockfile(struct ref_lock *lock,
const unsigned char *sha1, struct strbuf* err);
static int commit_ref_update(struct ref_lock *lock,
const unsigned char *sha1, const char *logmsg,
- struct strbuf *err);
+ struct strbuf *err, int flags);
int rename_ref(const char *oldrefname, const char *newrefname, const char *logmsg)
{
@@ -3041,7 +3041,7 @@ int rename_ref(const char *oldrefname, const char *newrefname, const char *logms
hashcpy(lock->old_oid.hash, orig_sha1);
if (write_ref_to_lockfile(lock, orig_sha1, &err) ||
- commit_ref_update(lock, orig_sha1, logmsg, &err)) {
+ commit_ref_update(lock, orig_sha1, logmsg, &err, 0)) {
error("unable to write current sha1 into %s: %s", newrefname, err.buf);
strbuf_release(&err);
goto rollback;
@@ -3060,7 +3060,7 @@ int rename_ref(const char *oldrefname, const char *newrefname, const char *logms
flag = log_all_ref_updates;
log_all_ref_updates = 0;
if (write_ref_to_lockfile(lock, orig_sha1, &err) ||
- commit_ref_update(lock, orig_sha1, NULL, &err)) {
+ commit_ref_update(lock, orig_sha1, NULL, &err, 0)) {
error("unable to write current sha1 into %s: %s", oldrefname, err.buf);
strbuf_release(&err);
}
@@ -3118,6 +3118,14 @@ static int copy_msg(char *buf, const char *msg)
return cp - buf;
}
+static int should_autocreate_reflog(const char *refname)
+{
+ return starts_with(refname, "refs/heads/") ||
+ starts_with(refname, "refs/remotes/") ||
+ starts_with(refname, "refs/notes/") ||
+ !strcmp(refname, "HEAD");
+}
+
/* This function will fill in *err and return -1 on failure */
int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf *err)
{
@@ -3128,11 +3136,7 @@ int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf
logfile = sb_logfile->buf;
/* make sure the rest of the function can't change "logfile" */
sb_logfile = NULL;
- if (log_all_ref_updates &&
- (starts_with(refname, "refs/heads/") ||
- starts_with(refname, "refs/remotes/") ||
- starts_with(refname, "refs/notes/") ||
- !strcmp(refname, "HEAD"))) {
+ if (log_all_ref_updates && should_autocreate_reflog(refname)) {
if (safe_create_leading_directories(logfile) < 0) {
strbuf_addf(err, "unable to create directory for %s. "
"%s", logfile, strerror(errno));
@@ -3291,12 +3295,14 @@ static int write_ref_to_lockfile(struct ref_lock *lock,
*/
static int commit_ref_update(struct ref_lock *lock,
const unsigned char *sha1, const char *logmsg,
- struct strbuf *err)
+ struct strbuf *err, int flags)
{
clear_loose_ref_cache(&ref_cache);
- if (log_ref_write(lock->ref_name, lock->old_oid.hash, sha1, logmsg, err) < 0 ||
- (strcmp(lock->ref_name, lock->orig_ref_name) &&
- log_ref_write(lock->orig_ref_name, lock->old_oid.hash, sha1, logmsg, err) < 0)) {
+ if ((should_autocreate_reflog(lock->ref_name) ||
+ reflog_exists(lock->ref_name)) &&
+ (log_ref_write(lock->ref_name, lock->old_oid.hash, sha1, logmsg, err) < 0 ||
+ (strcmp(lock->ref_name, lock->orig_ref_name) &&
+ log_ref_write(lock->orig_ref_name, lock->old_oid.hash, sha1, logmsg, err) < 0))) {
strbuf_addf(err, "Cannot update the ref '%s'.",
lock->ref_name);
unlock_ref(lock);
@@ -4063,7 +4069,7 @@ int ref_transaction_commit(struct ref_transaction *transaction,
if (update->flags & REF_NEEDS_COMMIT) {
if (commit_ref_update(update->lock,
- update->new_sha1, update->msg, err)) {
+ update->new_sha1, update->msg, err, 0)) {
/* freed by commit_ref_update(): */
update->lock = NULL;
ret = TRANSACTION_GENERIC_ERROR;
diff --git a/sequencer.c b/sequencer.c
index f8421a8..de904aa 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -160,19 +160,20 @@ static void free_message(struct commit *commit, struct commit_message *msg)
static void write_cherry_pick_head(struct commit *commit, const char *pseudoref)
{
- const char *filename;
- int fd;
- struct strbuf buf = STRBUF_INIT;
+ struct strbuf err = STRBUF_INIT;
+ void *transaction;
- strbuf_addf(&buf, "%s\n", sha1_to_hex(commit->object.sha1));
+ transaction = ref_transaction_begin(&err);
+ if (!transaction)
+ die(_("Could not create transaction: %s"), err.buf);
- 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);
+ if (ref_transaction_update(transaction, pseudoref, commit->object.sha1,
+ NULL, REF_NODEREF, NULL,
+ &err))
+ die(_("Could not write ref %s: %s"), pseudoref, err.buf);
+
+ if (ref_transaction_commit(transaction, &err))
+ die(_("Could not commit ref write %s: %s"), pseudoref, err.buf);
}
static void print_advice(int show_hint, struct replay_opts *opts)
@@ -186,7 +187,7 @@ 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"));
+ delete_ref("CHERRY_PICK_HEAD", NULL, REF_NODEREF);
return;
}
@@ -878,8 +879,8 @@ 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 (read_ref("CHERRY_PICK_HEAD", head_sha1) &&
+ read_ref("REVERT_HEAD", head_sha1))
return error(_("no cherry-pick or revert in progress"));
if (read_ref_full("HEAD", 0, head_sha1, NULL))
return error(_("cannot resolve HEAD"));
@@ -1014,8 +1015,8 @@ 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 (!ref_exists("CHERRY_PICK_HEAD") &&
+ !ref_exists("REVERT_HEAD"))
return error(_("no cherry-pick or revert in progress"));
return run_command_v_opt(argv, RUN_GIT_CMD);
}
@@ -1030,8 +1031,8 @@ static int sequencer_continue(struct replay_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 (ref_exists("CHERRY_PICK_HEAD") ||
+ ref_exists("REVERT_HEAD")) {
int ret = continue_single_pick();
if (ret)
return ret;
diff --git a/t/t7509-commit.sh b/t/t7509-commit.sh
index 9ac7940..f7fd62c 100755
--- a/t/t7509-commit.sh
+++ b/t/t7509-commit.sh
@@ -163,7 +163,7 @@ test_expect_success 'commit respects CHERRY_PICK_HEAD and MERGE_MSG' '
test_tick &&
git commit -am "cherry-pick 1" --author="Cherry <cherry@xxxxxxx>" &&
git tag cherry-pick-head &&
- git rev-parse cherry-pick-head >.git/CHERRY_PICK_HEAD &&
+ git update-ref CHERRY_PICK_HEAD $(git rev-parse cherry-pick-head) &&
echo "This is a MERGE_MSG" >.git/MERGE_MSG &&
echo "cherry-pick 1b" >>foo &&
test_tick &&
@@ -178,7 +178,7 @@ test_expect_success 'commit respects CHERRY_PICK_HEAD and MERGE_MSG' '
'
test_expect_success '--reset-author with CHERRY_PICK_HEAD' '
- git rev-parse cherry-pick-head >.git/CHERRY_PICK_HEAD &&
+ git update-ref CHERRY_PICK_HEAD $(git rev-parse cherry-pick-head) &&
echo "cherry-pick 2" >>foo &&
test_tick &&
git commit -am "cherry-pick 2" --reset-author &&
diff --git a/wt-status.c b/wt-status.c
index 9c686e6..661c1fb 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -1336,8 +1336,7 @@ void wt_status_get_state(struct wt_status_state *state,
state->rebase_in_progress = 1;
state->branch = read_and_strip_branch("rebase-merge/head-name");
state->onto = read_and_strip_branch("rebase-merge/onto");
- } else if (!stat(git_path("CHERRY_PICK_HEAD"), &st) &&
- !get_sha1("CHERRY_PICK_HEAD", sha1)) {
+ } else if (!read_ref("CHERRY_PICK_HEAD", sha1)) {
state->cherry_pick_in_progress = 1;
hashcpy(state->cherry_pick_head_sha1, sha1);
}
@@ -1345,8 +1344,7 @@ void wt_status_get_state(struct wt_status_state *state,
state->bisect_in_progress = 1;
state->branch = read_and_strip_branch("BISECT_START");
}
- if (!stat(git_path("REVERT_HEAD"), &st) &&
- !get_sha1("REVERT_HEAD", sha1)) {
+ if (!read_ref("REVERT_HEAD", sha1)) {
state->revert_in_progress = 1;
hashcpy(state->revert_head_sha1, sha1);
}
--
2.0.4.314.gdbf7a51-twtrsrc
--
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