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-rw-r--r--refs.c28
-rw-r--r--refs/files-backend.c49
-rw-r--r--refs/packed-backend.c1
-rw-r--r--refs/refs-internal.h11
4 files changed, 63 insertions, 26 deletions
diff --git a/refs.c b/refs.c
index cf91711968..3ee3afaf41 100644
--- a/refs.c
+++ b/refs.c
@@ -1527,11 +1527,37 @@ int for_each_rawref(each_ref_fn fn, void *cb_data)
return refs_for_each_rawref(get_main_ref_store(the_repository), fn, cb_data);
}
+static int refs_read_special_head(struct ref_store *ref_store,
+ const char *refname, struct object_id *oid,
+ struct strbuf *referent, unsigned int *type)
+{
+ struct strbuf full_path = STRBUF_INIT;
+ struct strbuf content = STRBUF_INIT;
+ int result = -1;
+ strbuf_addf(&full_path, "%s/%s", ref_store->gitdir, refname);
+
+ if (strbuf_read_file(&content, full_path.buf, 0) < 0)
+ goto done;
+
+ result = parse_loose_ref_contents(content.buf, oid, referent, type);
+
+done:
+ strbuf_release(&full_path);
+ strbuf_release(&content);
+ return result;
+}
+
int refs_read_raw_ref(struct ref_store *ref_store,
const char *refname, struct object_id *oid,
struct strbuf *referent, unsigned int *type)
{
- return ref_store->be->read_raw_ref(ref_store, refname, oid, referent, type);
+ if (!strcmp(refname, "FETCH_HEAD") || !strcmp(refname, "MERGE_HEAD")) {
+ return refs_read_special_head(ref_store, refname, oid, referent,
+ type);
+ }
+
+ return ref_store->be->read_raw_ref(ref_store, refname, oid, referent,
+ type);
}
/* This function needs to return a meaningful errno on failure */
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 985631f33e..dd712e47f4 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -67,7 +67,6 @@ struct files_ref_store {
struct ref_store base;
unsigned int store_flags;
- char *gitdir;
char *gitcommondir;
struct ref_cache *loose;
@@ -94,18 +93,17 @@ static struct ref_store *files_ref_store_create(const char *gitdir,
struct ref_store *ref_store = (struct ref_store *)refs;
struct strbuf sb = STRBUF_INIT;
+ ref_store->gitdir = xstrdup(gitdir);
base_ref_store_init(ref_store, &refs_be_files);
refs->store_flags = flags;
- refs->gitdir = xstrdup(gitdir);
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(sb.buf, flags);
strbuf_release(&sb);
- chdir_notify_reparent("files-backend $GIT_DIR",
- &refs->gitdir);
+ chdir_notify_reparent("files-backend $GIT_DIR", &refs->base.gitdir);
chdir_notify_reparent("files-backend $GIT_COMMONDIR",
&refs->gitcommondir);
@@ -176,7 +174,7 @@ static void files_reflog_path(struct files_ref_store *refs,
switch (ref_type(refname)) {
case REF_TYPE_PER_WORKTREE:
case REF_TYPE_PSEUDOREF:
- strbuf_addf(sb, "%s/logs/%s", refs->gitdir, refname);
+ strbuf_addf(sb, "%s/logs/%s", refs->base.gitdir, refname);
break;
case REF_TYPE_OTHER_PSEUDOREF:
case REF_TYPE_MAIN_PSEUDOREF:
@@ -198,7 +196,7 @@ static void files_ref_path(struct files_ref_store *refs,
switch (ref_type(refname)) {
case REF_TYPE_PER_WORKTREE:
case REF_TYPE_PSEUDOREF:
- strbuf_addf(sb, "%s/%s", refs->gitdir, refname);
+ strbuf_addf(sb, "%s/%s", refs->base.gitdir, refname);
break;
case REF_TYPE_MAIN_PSEUDOREF:
if (!skip_prefix(refname, "main-worktree/", &refname))
@@ -360,7 +358,6 @@ static int files_read_raw_ref(struct ref_store *ref_store,
struct strbuf sb_path = STRBUF_INIT;
const char *path;
const char *buf;
- const char *p;
struct stat st;
int fd;
int ret = -1;
@@ -465,6 +462,21 @@ stat_ref:
close(fd);
strbuf_rtrim(&sb_contents);
buf = sb_contents.buf;
+
+ ret = parse_loose_ref_contents(buf, oid, referent, type);
+
+out:
+ save_errno = errno;
+ strbuf_release(&sb_path);
+ strbuf_release(&sb_contents);
+ errno = save_errno;
+ return ret;
+}
+
+int parse_loose_ref_contents(const char *buf, struct object_id *oid,
+ struct strbuf *referent, unsigned int *type)
+{
+ const char *p;
if (skip_prefix(buf, "ref:", &buf)) {
while (isspace(*buf))
buf++;
@@ -472,29 +484,19 @@ stat_ref:
strbuf_reset(referent);
strbuf_addstr(referent, buf);
*type |= REF_ISSYMREF;
- ret = 0;
- goto out;
+ return 0;
}
/*
- * Please note that FETCH_HEAD has additional
- * data after the sha.
+ * FETCH_HEAD has additional data after the sha.
*/
if (parse_oid_hex(buf, oid, &p) ||
(*p != '\0' && !isspace(*p))) {
*type |= REF_ISBROKEN;
errno = EINVAL;
- goto out;
+ return -1;
}
-
- ret = 0;
-
-out:
- save_errno = errno;
- strbuf_release(&sb_path);
- strbuf_release(&sb_contents);
- errno = save_errno;
- return ret;
+ return 0;
}
static void unlock_ref(struct ref_lock *lock)
@@ -2199,12 +2201,11 @@ static struct ref_iterator *files_reflog_iterator_begin(struct ref_store *ref_st
files_downcast(ref_store, REF_STORE_READ,
"reflog_iterator_begin");
- if (!strcmp(refs->gitdir, refs->gitcommondir)) {
+ if (!strcmp(refs->base.gitdir, refs->gitcommondir)) {
return reflog_iterator_begin(ref_store, refs->gitcommondir);
} else {
return merge_ref_iterator_begin(
- 0,
- reflog_iterator_begin(ref_store, refs->gitdir),
+ 0, reflog_iterator_begin(ref_store, refs->base.gitdir),
reflog_iterator_begin(ref_store, refs->gitcommondir),
reflog_iterator_select, refs);
}
diff --git a/refs/packed-backend.c b/refs/packed-backend.c
index 4458a0f69c..b912f2505f 100644
--- a/refs/packed-backend.c
+++ b/refs/packed-backend.c
@@ -200,6 +200,7 @@ struct ref_store *packed_ref_store_create(const char *path,
struct ref_store *ref_store = (struct ref_store *)refs;
base_ref_store_init(ref_store, &refs_be_packed);
+ ref_store->gitdir = xstrdup(path);
refs->store_flags = store_flags;
refs->path = xstrdup(path);
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index 357359a0be..527b0a6e2e 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -667,14 +667,23 @@ extern struct ref_storage_be refs_be_packed;
/*
* A representation of the reference store for the main repository or
* a submodule. The ref_store instances for submodules are kept in a
- * linked list.
+ * hash map; see get_submodule_ref_store() for more info.
*/
struct ref_store {
/* The backend describing this ref_store's storage scheme: */
const struct ref_storage_be *be;
+
+ /* The gitdir that this ref_store applies to: */
+ char *gitdir;
};
/*
+ * Parse contents of a loose ref file.
+ */
+int parse_loose_ref_contents(const char *buf, struct object_id *oid,
+ struct strbuf *referent, unsigned int *type);
+
+/*
* Fill in the generic part of refs and add it to our collection of
* reference stores.
*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 06:19:46 +0000