The refs infrastructure learns about log-only ref updates, which only
update the reflog. Later, we will use this to separate symbolic
reference resolution from ref updating.
Signed-off-by: David Turner <dtur...@twopensource.com>
---
refs/files-backend.c | 15 ++++++++++-----
refs/refs-internal.h | 2 ++
2 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 0ad60bc..0fdcdc7 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2845,7 +2845,7 @@ static int commit_ref_update(struct ref_lock *lock,
}
}
}
- if (commit_ref(lock)) {
+ if (!(flags & REF_LOG_ONLY) && commit_ref(lock)) {
error("Couldn't set %s", lock->ref_name);
unlock_ref(lock);
return -1;
@@ -3199,7 +3199,8 @@ static int files_transaction_commit(struct
ref_transaction *transaction,
goto cleanup;
}
if ((update->flags & REF_HAVE_NEW) &&
- !(update->flags & REF_DELETING)) {
+ !(update->flags & REF_DELETING) &&
+ !(update->flags & REF_LOG_ONLY)) {
int overwriting_symref = ((update->type & REF_ISSYMREF)
&&
(update->flags &
REF_NODEREF));
@@ -3229,7 +3230,9 @@ static int files_transaction_commit(struct
ref_transaction *transaction,
update->flags |= REF_NEEDS_COMMIT;
}
}
- if (!(update->flags & REF_NEEDS_COMMIT)) {
+
+ if (!(update->flags & REF_LOG_ONLY) &&
+ !(update->flags & REF_NEEDS_COMMIT)) {
/*
* We didn't have to write anything to the lockfile.
* Close it to free up the file descriptor:
@@ -3246,7 +3249,8 @@ static int files_transaction_commit(struct
ref_transaction *transaction,
for (i = 0; i < n; i++) {
struct ref_update *update = updates[i];
- if (update->flags & REF_NEEDS_COMMIT) {
+ if (update->flags & REF_NEEDS_COMMIT ||
+ update->flags & REF_LOG_ONLY) {
if (commit_ref_update(update->backend_data,
update->new_sha1, update->msg,
update->flags, err)) {
@@ -3266,7 +3270,8 @@ static int files_transaction_commit(struct
ref_transaction *transaction,
struct ref_update *update = updates[i];
struct ref_lock *lock = update->backend_data;
- if (update->flags & REF_DELETING) {
+ if (update->flags & REF_DELETING &&
+ !(update->flags & REF_LOG_ONLY)) {
if (delete_ref_loose(lock, update->type, err)) {
ret = TRANSACTION_GENERIC_ERROR;
goto cleanup;
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index fc5d1db..b5d0ab8 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -42,6 +42,8 @@
* value to ref_update::flags
*/
+#define REF_LOG_ONLY 0x80
+
/*
* Return true iff refname is minimally safe. "Safe" here means that
* deleting a loose reference by this name will not do any damage, for
--
2.4.2.749.g730654d-twtrsrc
--
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