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Merge branch 'rs/ref-transaction'

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The API to update refs have been restructured to allow introducing
a true transactional updates later.  We would even allow storing
refs in backends other than the traditional filesystem-based one.

* rs/ref-transaction: (25 commits)
  ref_transaction_commit: bail out on failure to remove a ref
  lockfile: remove unable_to_lock_error
  refs.c: do not permit err == NULL
  remote rm/prune: print a message when writing packed-refs fails
  for-each-ref: skip and warn about broken ref names
  refs.c: allow listing and deleting badly named refs
  test: put tests for handling of bad ref names in one place
  packed-ref cache: forbid dot-components in refnames
  branch -d: simplify by using RESOLVE_REF_READING
  branch -d: avoid repeated symref resolution
  reflog test: test interaction with detached HEAD
  refs.c: change resolve_ref_unsafe reading argument to be a flags field
  refs.c: make write_ref_sha1 static
  fetch.c: change s_update_ref to use a ref transaction
  refs.c: ref_transaction_commit: distinguish name conflicts from other errors
  refs.c: pass a list of names to skip to is_refname_available
  refs.c: call lock_ref_sha1_basic directly from commit
  refs.c: refuse to lock badly named refs in lock_ref_sha1_basic
  rename_ref: don't ask read_ref_full where the ref came from
  refs.c: pass the ref log message to _create/delete/update instead of _commit
  ...
This commit is contained in:
Junio C Hamano
2014-10-21 13:28:10 -07:00
parent 13da0fc092 65732845e8
commit 3c85452bb0
45 changed files with 849 additions and 350 deletions
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9
builtin/receive-pack.c
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@ -842,8 +842,9 @@ static const char *update(struct command *cmd, struct shallow_info *si)
transaction = ref_transaction_begin(&err);
if (!transaction ||
ref_transaction_update(transaction, namespaced_name,
new_sha1, old_sha1, 0, 1, &err) ||
ref_transaction_commit(transaction, "push", &err)) {
new_sha1, old_sha1, 0, 1, "push",
&err) ||
ref_transaction_commit(transaction, &err)) {
ref_transaction_free(transaction);
rp_error("%s", err.buf);
@ -908,7 +909,7 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
int flag;
strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
dst_name = resolve_ref_unsafe(buf.buf, sha1, 0, &flag);
dst_name = resolve_ref_unsafe(buf.buf, 0, sha1, &flag);
strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))
@ -1069,7 +1070,7 @@ static void execute_commands(struct command *commands,
check_aliased_updates(commands);
free(head_name_to_free);
head_name = head_name_to_free = resolve_refdup("HEAD", sha1, 0, NULL);
head_name = head_name_to_free = resolve_refdup("HEAD", 0, sha1, NULL);
checked_connectivity = 1;
for (cmd = commands; cmd; cmd = cmd->next) {