Change update_branch() to use ref transactions for updates.
Signed-off-by: Ronnie Sahlberg sahlb...@google.com
---
fast-import.c | 25 +++--
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/fast-import.c b/fast-import.c
index 6707a66..4a7b196 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -1679,39 +1679,44 @@ 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);
+
if (is_null_sha1(b-sha1)) {
if (b-delete)
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);
return 0;
}
--
2.0.0.rc3.474.g0203784
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