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-rw-r--r--refs/debug.c6
-rw-r--r--refs/files-backend.c114
-rw-r--r--refs/packed-backend.c39
-rw-r--r--refs/packed-backend.h9
-rw-r--r--refs/refs-internal.h5
5 files changed, 93 insertions, 80 deletions
diff --git a/refs/debug.c b/refs/debug.c
index 791423c6a7..2b0771ca53 100644
--- a/refs/debug.c
+++ b/refs/debug.c
@@ -26,7 +26,8 @@ struct ref_store *maybe_debug_wrap_ref_store(const char *gitdir, struct ref_stor
be_copy->name = store->be->name;
trace_printf_key(&trace_refs, "ref_store for %s\n", gitdir);
res->refs = store;
- base_ref_store_init((struct ref_store *)res, be_copy);
+ base_ref_store_init((struct ref_store *)res, store->repo, gitdir,
+ be_copy);
return (struct ref_store *)res;
}
@@ -47,7 +48,8 @@ static int debug_transaction_prepare(struct ref_store *refs,
transaction->ref_store = drefs->refs;
res = drefs->refs->be->transaction_prepare(drefs->refs, transaction,
err);
- trace_printf_key(&trace_refs, "transaction_prepare: %d\n", res);
+ trace_printf_key(&trace_refs, "transaction_prepare: %d \"%s\"\n", res,
+ err->buf);
return res;
}
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 90b671025a..f59589d6cc 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -86,16 +86,12 @@ static struct ref_store *files_ref_store_create(struct repository *repo,
struct ref_store *ref_store = (struct ref_store *)refs;
struct strbuf sb = STRBUF_INIT;
- ref_store->repo = repo;
- ref_store->gitdir = xstrdup(gitdir);
- base_ref_store_init(ref_store, &refs_be_files);
+ base_ref_store_init(ref_store, repo, gitdir, &refs_be_files);
refs->store_flags = flags;
-
get_common_dir_noenv(&sb, gitdir);
refs->gitcommondir = strbuf_detach(&sb, NULL);
- strbuf_addf(&sb, "%s/packed-refs", refs->gitcommondir);
- refs->packed_ref_store = packed_ref_store_create(repo, sb.buf, flags);
- strbuf_release(&sb);
+ refs->packed_ref_store =
+ packed_ref_store_create(repo, refs->gitcommondir, flags);
chdir_notify_reparent("files-backend $GIT_DIR", &refs->base.gitdir);
chdir_notify_reparent("files-backend $GIT_COMMONDIR",
@@ -281,11 +277,10 @@ static void loose_fill_ref_dir(struct ref_store *ref_store,
create_dir_entry(dir->cache, refname.buf,
refname.len));
} else {
- int ignore_errno;
if (!refs_resolve_ref_unsafe(&refs->base,
refname.buf,
RESOLVE_REF_READING,
- &oid, &flag, &ignore_errno)) {
+ &oid, &flag)) {
oidclr(&oid);
flag |= REF_ISBROKEN;
} else if (is_null_oid(&oid)) {
@@ -386,7 +381,6 @@ stat_ref:
if (lstat(path, &st) < 0) {
int ignore_errno;
myerr = errno;
- errno = 0;
if (myerr != ENOENT)
goto out;
if (refs_read_raw_ref(refs->packed_ref_store, refname, oid,
@@ -403,7 +397,6 @@ stat_ref:
strbuf_reset(&sb_contents);
if (strbuf_readlink(&sb_contents, path, st.st_size) < 0) {
myerr = errno;
- errno = 0;
if (myerr == ENOENT || myerr == EINVAL)
/* inconsistent with lstat; retry */
goto stat_ref;
@@ -473,6 +466,7 @@ out:
strbuf_release(&sb_path);
strbuf_release(&sb_contents);
+ errno = 0;
return ret;
}
@@ -1011,7 +1005,6 @@ static struct ref_lock *lock_ref_oid_basic(struct files_ref_store *refs,
{
struct strbuf ref_file = STRBUF_INIT;
struct ref_lock *lock;
- int ignore_errno;
files_assert_main_repository(refs, "lock_ref_oid_basic");
assert(err);
@@ -1039,7 +1032,7 @@ static struct ref_lock *lock_ref_oid_basic(struct files_ref_store *refs,
}
if (!refs_resolve_ref_unsafe(&refs->base, lock->ref_name, 0,
- &lock->old_oid, NULL, &ignore_errno))
+ &lock->old_oid, NULL))
oidclr(&lock->old_oid);
goto out;
@@ -1121,7 +1114,8 @@ static void prune_ref(struct files_ref_store *refs, struct ref_to_prune *r)
if (check_refname_format(r->name, 0))
return;
- transaction = ref_store_transaction_begin(&refs->base, &err);
+ transaction = ref_store_transaction_begin(&refs->base,
+ REF_TRANSACTION_SKIP_HOOK, &err);
if (!transaction)
goto cleanup;
ref_transaction_add_update(
@@ -1192,7 +1186,8 @@ static int files_pack_refs(struct ref_store *ref_store, unsigned int flags)
struct strbuf err = STRBUF_INIT;
struct ref_transaction *transaction;
- transaction = ref_store_transaction_begin(refs->packed_ref_store, &err);
+ transaction = ref_store_transaction_begin(refs->packed_ref_store,
+ REF_TRANSACTION_SKIP_HOOK, &err);
if (!transaction)
return -1;
@@ -1249,6 +1244,7 @@ static int files_delete_refs(struct ref_store *ref_store, const char *msg,
{
struct files_ref_store *refs =
files_downcast(ref_store, REF_STORE_WRITE, "delete_refs");
+ struct ref_transaction *transaction = NULL;
struct strbuf err = STRBUF_INIT;
int i, result = 0;
@@ -1258,10 +1254,15 @@ static int files_delete_refs(struct ref_store *ref_store, const char *msg,
if (packed_refs_lock(refs->packed_ref_store, 0, &err))
goto error;
- if (refs_delete_refs(refs->packed_ref_store, msg, refnames, flags)) {
- packed_refs_unlock(refs->packed_ref_store);
+ transaction = ref_store_transaction_begin(refs->packed_ref_store,
+ REF_TRANSACTION_SKIP_HOOK, &err);
+ if (!transaction)
+ goto error;
+
+ result = packed_refs_delete_refs(refs->packed_ref_store,
+ transaction, msg, refnames, flags);
+ if (result)
goto error;
- }
packed_refs_unlock(refs->packed_ref_store);
@@ -1272,6 +1273,7 @@ static int files_delete_refs(struct ref_store *ref_store, const char *msg,
result |= error(_("could not remove reference %s"), refname);
}
+ ref_transaction_free(transaction);
strbuf_release(&err);
return result;
@@ -1288,6 +1290,7 @@ error:
else
error(_("could not delete references: %s"), err.buf);
+ ref_transaction_free(transaction);
strbuf_release(&err);
return -1;
}
@@ -1404,7 +1407,6 @@ static int files_copy_or_rename_ref(struct ref_store *ref_store,
struct strbuf tmp_renamed_log = STRBUF_INIT;
int log, ret;
struct strbuf err = STRBUF_INIT;
- int ignore_errno;
files_reflog_path(refs, &sb_oldref, oldrefname);
files_reflog_path(refs, &sb_newref, newrefname);
@@ -1418,7 +1420,7 @@ static int files_copy_or_rename_ref(struct ref_store *ref_store,
if (!refs_resolve_ref_unsafe(&refs->base, oldrefname,
RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE,
- &orig_oid, &flag, &ignore_errno)) {
+ &orig_oid, &flag)) {
ret = error("refname %s not found", oldrefname);
goto out;
}
@@ -1464,7 +1466,7 @@ static int files_copy_or_rename_ref(struct ref_store *ref_store,
*/
if (!copy && refs_resolve_ref_unsafe(&refs->base, newrefname,
RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE,
- NULL, NULL, &ignore_errno) &&
+ NULL, NULL) &&
refs_delete_ref(&refs->base, NULL, newrefname,
NULL, REF_NO_DEREF)) {
if (errno == EISDIR) {
@@ -1833,12 +1835,10 @@ static int commit_ref_update(struct files_ref_store *refs,
*/
int head_flag;
const char *head_ref;
- int ignore_errno;
head_ref = refs_resolve_ref_unsafe(&refs->base, "HEAD",
RESOLVE_REF_READING,
- NULL, &head_flag,
- &ignore_errno);
+ NULL, &head_flag);
if (head_ref && (head_flag & REF_ISSYMREF) &&
!strcmp(head_ref, lock->ref_name)) {
struct strbuf log_err = STRBUF_INIT;
@@ -1882,12 +1882,10 @@ static void update_symref_reflog(struct files_ref_store *refs,
{
struct strbuf err = STRBUF_INIT;
struct object_id new_oid;
- int ignore_errno;
if (logmsg &&
refs_resolve_ref_unsafe(&refs->base, target,
- RESOLVE_REF_READING, &new_oid, NULL,
- &ignore_errno) &&
+ RESOLVE_REF_READING, &new_oid, NULL) &&
files_log_ref_write(refs, refname, &lock->old_oid,
&new_oid, logmsg, 0, &err)) {
error("%s", err.buf);
@@ -2161,7 +2159,6 @@ static int files_reflog_iterator_advance(struct ref_iterator *ref_iterator)
(struct files_reflog_iterator *)ref_iterator;
struct dir_iterator *diter = iter->dir_iterator;
int ok;
- int ignore_errno;
while ((ok = dir_iterator_advance(diter)) == ITER_OK) {
int flags;
@@ -2175,8 +2172,7 @@ static int files_reflog_iterator_advance(struct ref_iterator *ref_iterator)
if (!refs_resolve_ref_unsafe(iter->ref_store,
diter->relative_path, 0,
- &iter->oid, &flags,
- &ignore_errno)) {
+ &iter->oid, &flags)) {
error("bad ref for %s", diter->path.buf);
continue;
}
@@ -2520,11 +2516,9 @@ static int lock_ref_for_update(struct files_ref_store *refs,
* the transaction, so we have to read it here
* to record and possibly check old_oid:
*/
- int ignore_errno;
if (!refs_resolve_ref_unsafe(&refs->base,
referent.buf, 0,
- &lock->old_oid, NULL,
- &ignore_errno)) {
+ &lock->old_oid, NULL)) {
if (update->flags & REF_HAVE_OLD) {
strbuf_addf(err, "cannot lock ref '%s': "
"error reading reference",
@@ -2767,7 +2761,8 @@ static int files_transaction_prepare(struct ref_store *ref_store,
*/
if (!packed_transaction) {
packed_transaction = ref_store_transaction_begin(
- refs->packed_ref_store, err);
+ refs->packed_ref_store,
+ REF_TRANSACTION_SKIP_HOOK, err);
if (!packed_transaction) {
ret = TRANSACTION_GENERIC_ERROR;
goto cleanup;
@@ -3038,7 +3033,8 @@ static int files_initial_transaction_commit(struct ref_store *ref_store,
&affected_refnames))
BUG("initial ref transaction called with existing refs");
- packed_transaction = ref_store_transaction_begin(refs->packed_ref_store, err);
+ packed_transaction = ref_store_transaction_begin(refs->packed_ref_store,
+ REF_TRANSACTION_SKIP_HOOK, err);
if (!packed_transaction) {
ret = TRANSACTION_GENERIC_ERROR;
goto cleanup;
@@ -3086,11 +3082,12 @@ cleanup:
}
struct expire_reflog_cb {
- unsigned int flags;
reflog_expiry_should_prune_fn *should_prune_fn;
void *policy_cb;
FILE *newlog;
struct object_id last_kept_oid;
+ unsigned int rewrite:1,
+ dry_run:1;
};
static int expire_reflog_ent(struct object_id *ooid, struct object_id *noid,
@@ -3098,33 +3095,27 @@ static int expire_reflog_ent(struct object_id *ooid, struct object_id *noid,
const char *message, void *cb_data)
{
struct expire_reflog_cb *cb = cb_data;
- struct expire_reflog_policy_cb *policy_cb = cb->policy_cb;
+ reflog_expiry_should_prune_fn *fn = cb->should_prune_fn;
- if (cb->flags & EXPIRE_REFLOGS_REWRITE)
+ if (cb->rewrite)
ooid = &cb->last_kept_oid;
- if ((*cb->should_prune_fn)(ooid, noid, email, timestamp, tz,
- message, policy_cb)) {
- if (!cb->newlog)
- printf("would prune %s", message);
- else if (cb->flags & EXPIRE_REFLOGS_VERBOSE)
- printf("prune %s", message);
- } else {
- if (cb->newlog) {
- fprintf(cb->newlog, "%s %s %s %"PRItime" %+05d\t%s",
- oid_to_hex(ooid), oid_to_hex(noid),
- email, timestamp, tz, message);
- oidcpy(&cb->last_kept_oid, noid);
- }
- if (cb->flags & EXPIRE_REFLOGS_VERBOSE)
- printf("keep %s", message);
- }
+ if (fn(ooid, noid, email, timestamp, tz, message, cb->policy_cb))
+ return 0;
+
+ if (cb->dry_run)
+ return 0; /* --dry-run */
+
+ fprintf(cb->newlog, "%s %s %s %"PRItime" %+05d\t%s", oid_to_hex(ooid),
+ oid_to_hex(noid), email, timestamp, tz, message);
+ oidcpy(&cb->last_kept_oid, noid);
+
return 0;
}
static int files_reflog_expire(struct ref_store *ref_store,
const char *refname,
- unsigned int flags,
+ unsigned int expire_flags,
reflog_expiry_prepare_fn prepare_fn,
reflog_expiry_should_prune_fn should_prune_fn,
reflog_expiry_cleanup_fn cleanup_fn,
@@ -3142,7 +3133,8 @@ static int files_reflog_expire(struct ref_store *ref_store,
const struct object_id *oid;
memset(&cb, 0, sizeof(cb));
- cb.flags = flags;
+ cb.rewrite = !!(expire_flags & EXPIRE_REFLOGS_REWRITE);
+ cb.dry_run = !!(expire_flags & EXPIRE_REFLOGS_DRY_RUN);
cb.policy_cb = policy_cb_data;
cb.should_prune_fn = should_prune_fn;
@@ -3178,7 +3170,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
files_reflog_path(refs, &log_file_sb, refname);
log_file = strbuf_detach(&log_file_sb, NULL);
- if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
+ if (!cb.dry_run) {
/*
* Even though holding $GIT_DIR/logs/$reflog.lock has
* no locking implications, we use the lock_file
@@ -3205,7 +3197,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
refs_for_each_reflog_ent(ref_store, refname, expire_reflog_ent, &cb);
(*cleanup_fn)(cb.policy_cb);
- if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
+ if (!cb.dry_run) {
/*
* It doesn't make sense to adjust a reference pointed
* to by a symbolic ref based on expiring entries in
@@ -3215,16 +3207,14 @@ static int files_reflog_expire(struct ref_store *ref_store,
*/
int update = 0;
- if ((flags & EXPIRE_REFLOGS_UPDATE_REF) &&
+ if ((expire_flags & EXPIRE_REFLOGS_UPDATE_REF) &&
!is_null_oid(&cb.last_kept_oid)) {
- int ignore_errno;
int type;
const char *ref;
ref = refs_resolve_ref_unsafe(&refs->base, refname,
RESOLVE_REF_NO_RECURSE,
- NULL, &type,
- &ignore_errno);
+ NULL, &type);
update = !!(ref && !(type & REF_ISSYMREF));
}
diff --git a/refs/packed-backend.c b/refs/packed-backend.c
index 67152c664e..27dd8c3922 100644
--- a/refs/packed-backend.c
+++ b/refs/packed-backend.c
@@ -194,20 +194,19 @@ static int release_snapshot(struct snapshot *snapshot)
}
struct ref_store *packed_ref_store_create(struct repository *repo,
- const char *path,
+ const char *gitdir,
unsigned int store_flags)
{
struct packed_ref_store *refs = xcalloc(1, sizeof(*refs));
struct ref_store *ref_store = (struct ref_store *)refs;
+ struct strbuf sb = STRBUF_INIT;
- base_ref_store_init(ref_store, &refs_be_packed);
- ref_store->repo = repo;
- ref_store->gitdir = xstrdup(path);
+ base_ref_store_init(ref_store, repo, gitdir, &refs_be_packed);
refs->store_flags = store_flags;
- refs->path = xstrdup(path);
+ strbuf_addf(&sb, "%s/packed-refs", gitdir);
+ refs->path = strbuf_detach(&sb, NULL);
chdir_notify_reparent("packed-refs", &refs->path);
-
return ref_store;
}
@@ -1522,15 +1521,10 @@ static int packed_initial_transaction_commit(struct ref_store *ref_store,
static int packed_delete_refs(struct ref_store *ref_store, const char *msg,
struct string_list *refnames, unsigned int flags)
{
- struct packed_ref_store *refs =
- packed_downcast(ref_store, REF_STORE_WRITE, "delete_refs");
struct strbuf err = STRBUF_INIT;
struct ref_transaction *transaction;
- struct string_list_item *item;
int ret;
- (void)refs; /* We need the check above, but don't use the variable */
-
if (!refnames->nr)
return 0;
@@ -1540,10 +1534,30 @@ static int packed_delete_refs(struct ref_store *ref_store, const char *msg,
* updates into a single transaction.
*/
- transaction = ref_store_transaction_begin(ref_store, &err);
+ transaction = ref_store_transaction_begin(ref_store, 0, &err);
if (!transaction)
return -1;
+ ret = packed_refs_delete_refs(ref_store, transaction,
+ msg, refnames, flags);
+
+ ref_transaction_free(transaction);
+ return ret;
+}
+
+int packed_refs_delete_refs(struct ref_store *ref_store,
+ struct ref_transaction *transaction,
+ const char *msg,
+ struct string_list *refnames,
+ unsigned int flags)
+{
+ struct strbuf err = STRBUF_INIT;
+ struct string_list_item *item;
+ int ret;
+
+ /* Assert that the ref store refers to a packed backend. */
+ packed_downcast(ref_store, REF_STORE_WRITE, "delete_refs");
+
for_each_string_list_item(item, refnames) {
if (ref_transaction_delete(transaction, item->string, NULL,
flags, msg, &err)) {
@@ -1563,7 +1577,6 @@ static int packed_delete_refs(struct ref_store *ref_store, const char *msg,
error(_("could not delete references: %s"), err.buf);
}
- ref_transaction_free(transaction);
strbuf_release(&err);
return ret;
}
diff --git a/refs/packed-backend.h b/refs/packed-backend.h
index f61a73ec25..52e0490753 100644
--- a/refs/packed-backend.h
+++ b/refs/packed-backend.h
@@ -3,6 +3,7 @@
struct repository;
struct ref_transaction;
+struct string_list;
/*
* Support for storing references in a `packed-refs` file.
@@ -14,7 +15,7 @@ struct ref_transaction;
*/
struct ref_store *packed_ref_store_create(struct repository *repo,
- const char *path,
+ const char *gitdir,
unsigned int store_flags);
/*
@@ -27,6 +28,12 @@ int packed_refs_lock(struct ref_store *ref_store, int flags, struct strbuf *err)
void packed_refs_unlock(struct ref_store *ref_store);
int packed_refs_is_locked(struct ref_store *ref_store);
+int packed_refs_delete_refs(struct ref_store *ref_store,
+ struct ref_transaction *transaction,
+ const char *msg,
+ struct string_list *refnames,
+ unsigned int flags);
+
/*
* Return true if `transaction` really needs to be carried out against
* the specified packed_ref_store, or false if it can be skipped
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index 46a839539e..6e15db3ca4 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -213,6 +213,7 @@ struct ref_transaction {
size_t nr;
enum ref_transaction_state state;
void *backend_data;
+ unsigned int flags;
};
/*
@@ -710,8 +711,8 @@ int parse_loose_ref_contents(const char *buf, struct object_id *oid,
* Fill in the generic part of refs and add it to our collection of
* reference stores.
*/
-void base_ref_store_init(struct ref_store *refs,
- const struct ref_storage_be *be);
+void base_ref_store_init(struct ref_store *refs, struct repository *repo,
+ const char *path, const struct ref_storage_be *be);
/*
* Support GIT_TRACE_REFS by optionally wrapping the given ref_store instance.