[PATCH 10/28] lock_packed_refs(): take a `packed_ref_store *` parameter
It only cares about the packed-refs part of the reference store.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
refs/files-backend.c | 31 ++++++++++++++++++++++---------
1 file changed, 22 insertions(+), 9 deletions(-)
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 4943207098..0d8f39089f 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -80,6 +80,19 @@ static struct packed_ref_store *packed_ref_store_create(
return refs;
}
+/*
+ * Die if refs is not the main ref store. caller is used in any
+ * necessary error messages.
+ */
+static void packed_assert_main_repository(struct packed_ref_store *refs,
+ const char *caller)
+{
+ if (refs->store_flags & REF_STORE_MAIN)
+ return;
+
+ die("BUG: operation %s only allowed for main ref store", caller);
+}
+
/*
* Future: need to be in "struct repository"
* when doing a full libification.
@@ -1334,13 +1347,13 @@ static void write_packed_entry(FILE *fh, const char *refname,
* hold_lock_file_for_update(). Return 0 on success. On errors, set
* errno appropriately and return a nonzero value.
*/
-static int lock_packed_refs(struct files_ref_store *refs, int flags)
+static int lock_packed_refs(struct packed_ref_store *refs, int flags)
{
static int timeout_configured = 0;
static int timeout_value = 1000;
struct packed_ref_cache *packed_ref_cache;
- files_assert_main_repository(refs, "lock_packed_refs");
+ packed_assert_main_repository(refs, "lock_packed_refs");
if (!timeout_configured) {
git_config_get_int("core.packedrefstimeout", &timeout_value);
@@ -1348,8 +1361,8 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags)
}
if (hold_lock_file_for_update_timeout(
- &refs->packed_ref_store->lock,
- refs->packed_ref_store->path,
+ &refs->lock,
+ refs->path,
flags, timeout_value) < 0)
return -1;
@@ -1361,9 +1374,9 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags)
* cache is still valid. We've just locked the file, but it
* might have changed the moment *before* we locked it.
*/
- validate_packed_ref_cache(refs->packed_ref_store);
+ validate_packed_ref_cache(refs);
- packed_ref_cache = get_packed_ref_cache(refs->packed_ref_store);
+ packed_ref_cache = get_packed_ref_cache(refs);
/* Increment the reference count to prevent it from being freed: */
acquire_packed_ref_cache(packed_ref_cache);
return 0;
@@ -1560,7 +1573,7 @@ static int files_pack_refs(struct ref_store *ref_store, unsigned int flags)
int ok;
struct ref_to_prune *refs_to_prune = NULL;
- lock_packed_refs(refs, LOCK_DIE_ON_ERROR);
+ lock_packed_refs(refs->packed_ref_store, LOCK_DIE_ON_ERROR);
iter = cache_ref_iterator_begin(get_loose_ref_cache(refs), NULL, 0);
while ((ok = ref_iterator_advance(iter)) == ITER_OK) {
@@ -1629,7 +1642,7 @@ static int repack_without_refs(struct files_ref_store *refs,
if (!needs_repacking)
return 0; /* no refname exists in packed refs */
- if (lock_packed_refs(refs, 0)) {
+ if (lock_packed_refs(refs->packed_ref_store, 0)) {
unable_to_lock_message(refs->packed_ref_store->path, errno, err);
return -1;
}
@@ -3198,7 +3211,7 @@ static int files_initial_transaction_commit(struct ref_store *ref_store,
}
}
- if (lock_packed_refs(refs, 0)) {
+ if (lock_packed_refs(refs->packed_ref_store, 0)) {
strbuf_addf(err, "unable to lock packed-refs file: %s",
strerror(errno));
ret = TRANSACTION_GENERIC_ERROR;
--
2.11.0
Michael Haggerty <mhagger@alum.mit.edu>