From: David Turner <[email protected]> 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 <[email protected]> Signed-off-by: Junio C Hamano <[email protected]> Signed-off-by: Michael Haggerty <[email protected]> --- refs/files-backend.c | 16 ++++++++++------ refs/refs-internal.h | 7 +++++++ 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/refs/files-backend.c b/refs/files-backend.c index f4f7953..3f546d0 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -2683,7 +2683,7 @@ static int commit_ref_update(struct ref_lock *lock, } } } - if (commit_ref(lock)) { + if (!(flags & REF_LOG_ONLY) && commit_ref(lock)) { strbuf_addf(err, "couldn't set '%s'", lock->ref_name); unlock_ref(lock); return -1; @@ -3101,7 +3101,8 @@ int ref_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)); @@ -3133,8 +3134,9 @@ int ref_transaction_commit(struct ref_transaction *transaction, } if (!(update->flags & REF_NEEDS_COMMIT)) { /* - * We didn't have to write anything to the lockfile. - * Close it to free up the file descriptor: + * We didn't call write_ref_to_lockfile(), so + * the lockfile is still open. Close it to + * free up the file descriptor: */ if (close_ref(update->lock)) { strbuf_addf(err, "couldn't close '%s.lock'", @@ -3149,7 +3151,8 @@ int ref_transaction_commit(struct ref_transaction *transaction, for (i = 0; i < transaction->nr; 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->lock, update->new_sha1, update->msg, update->flags, err)) { @@ -3168,7 +3171,8 @@ int ref_transaction_commit(struct ref_transaction *transaction, for (i = 0; i < transaction->nr; i++) { struct ref_update *update = updates[i]; - if (update->flags & REF_DELETING) { + if (update->flags & REF_DELETING && + !(update->flags & REF_LOG_ONLY)) { if (delete_ref_loose(update->lock, update->type, err)) { ret = TRANSACTION_GENERIC_ERROR; goto cleanup; diff --git a/refs/refs-internal.h b/refs/refs-internal.h index 1f94f7a..85f4650 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -43,6 +43,13 @@ */ /* + * Used as a flag in ref_update::flags when we want to log a ref + * update but not actually perform it. This is used when a symbolic + * ref update is split up. + */ +#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 * example by causing a file that is not a reference to be deleted. -- 2.8.1 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
