summaryrefslogtreecommitdiff
path: root/fast-import.c
diff options
context:
space:
mode:
authorRonnie Sahlberg <sahlberg@google.com>2014-04-16 23:21:13 (GMT)
committerJunio C Hamano <gitster@pobox.com>2014-09-03 17:04:12 (GMT)
commitde7e86f522ea806ef40b3c9557e040d4109e55fb (patch)
tree5351596234252672875b0c705965f9d27dce219c /fast-import.c
parentd668d16ca7f6c31ee60cb4cc061dd1b62ea658de (diff)
downloadgit-de7e86f522ea806ef40b3c9557e040d4109e55fb.zip
git-de7e86f522ea806ef40b3c9557e040d4109e55fb.tar.gz
git-de7e86f522ea806ef40b3c9557e040d4109e55fb.tar.bz2
fast-import.c: change update_branch to use ref transactions
Change update_branch() to use ref transactions for updates. Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Reviewed-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'fast-import.c')
-rw-r--r--fast-import.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/fast-import.c b/fast-import.c
index 6707a66..79160d5 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -1679,8 +1679,9 @@ found_entry:
static int update_branch(struct branch *b)
{
static const char *msg = "fast-import";
- struct ref_lock *lock;
+ struct ref_transaction *transaction;
unsigned char old_sha1[20];
+ struct strbuf err = STRBUF_INIT;
if (read_ref(b->name, old_sha1))
hashclr(old_sha1);
@@ -1689,29 +1690,33 @@ static int update_branch(struct branch *b)
delete_ref(b->name, old_sha1, 0);
return 0;
}
- lock = lock_any_ref_for_update(b->name, old_sha1, 0, NULL);
- if (!lock)
- return error("Unable to lock %s", b->name);
if (!force_update && !is_null_sha1(old_sha1)) {
struct commit *old_cmit, *new_cmit;
old_cmit = lookup_commit_reference_gently(old_sha1, 0);
new_cmit = lookup_commit_reference_gently(b->sha1, 0);
- if (!old_cmit || !new_cmit) {
- unlock_ref(lock);
+ if (!old_cmit || !new_cmit)
return error("Branch %s is missing commits.", b->name);
- }
if (!in_merge_bases(old_cmit, new_cmit)) {
- unlock_ref(lock);
warning("Not updating %s"
" (new tip %s does not contain %s)",
b->name, sha1_to_hex(b->sha1), sha1_to_hex(old_sha1));
return -1;
}
}
- if (write_ref_sha1(lock, b->sha1, msg) < 0)
- return error("Unable to update %s", b->name);
+ transaction = ref_transaction_begin(&err);
+ if (!transaction ||
+ ref_transaction_update(transaction, b->name, b->sha1, old_sha1,
+ 0, 1, &err) ||
+ ref_transaction_commit(transaction, msg, &err)) {
+ ref_transaction_free(transaction);
+ error("%s", err.buf);
+ strbuf_release(&err);
+ return -1;
+ }
+ ref_transaction_free(transaction);
+ strbuf_release(&err);
return 0;
}