summaryrefslogtreecommitdiff
path: root/refs
diff options
context:
space:
mode:
Diffstat (limited to 'refs')
-rw-r--r--refs/files-backend.c80
-rw-r--r--refs/packed-backend.c1
-rw-r--r--refs/refs-internal.h35
3 files changed, 68 insertions, 48 deletions
diff --git a/refs/files-backend.c b/refs/files-backend.c
index d60767ab73..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;
@@ -465,37 +462,41 @@ stat_ref:
close(fd);
strbuf_rtrim(&sb_contents);
buf = sb_contents.buf;
- if (starts_with(buf, "ref:")) {
- buf += 4;
+
+ 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++;
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)
@@ -1327,7 +1328,7 @@ static int files_copy_or_rename_ref(struct ref_store *ref_store,
{
struct files_ref_store *refs =
files_downcast(ref_store, REF_STORE_WRITE, "rename_ref");
- struct object_id oid, orig_oid;
+ struct object_id orig_oid;
int flag = 0, logmoved = 0;
struct ref_lock *lock;
struct stat loginfo;
@@ -1395,7 +1396,7 @@ static int files_copy_or_rename_ref(struct ref_store *ref_store,
*/
if (!copy && !refs_read_ref_full(&refs->base, newrefname,
RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE,
- &oid, NULL) &&
+ NULL, NULL) &&
refs_delete_ref(&refs->base, NULL, newrefname,
NULL, REF_NO_DEREF)) {
if (errno == EISDIR) {
@@ -1629,8 +1630,10 @@ static int log_ref_write_fd(int fd, const struct object_id *old_oid,
int ret = 0;
strbuf_addf(&sb, "%s %s %s", oid_to_hex(old_oid), oid_to_hex(new_oid), committer);
- if (msg && *msg)
- copy_reflog_msg(&sb, msg);
+ if (msg && *msg) {
+ strbuf_addch(&sb, '\t');
+ strbuf_addstr(&sb, msg);
+ }
strbuf_addch(&sb, '\n');
if (write_in_full(fd, sb.buf, sb.len) < 0)
ret = -1;
@@ -2198,12 +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);
}
@@ -2566,16 +2568,18 @@ static void files_transaction_cleanup(struct files_ref_store *refs,
}
}
- if (backend_data->packed_transaction &&
- ref_transaction_abort(backend_data->packed_transaction, &err)) {
- error("error aborting transaction: %s", err.buf);
- strbuf_release(&err);
- }
+ if (backend_data) {
+ if (backend_data->packed_transaction &&
+ ref_transaction_abort(backend_data->packed_transaction, &err)) {
+ error("error aborting transaction: %s", err.buf);
+ strbuf_release(&err);
+ }
- if (backend_data->packed_refs_locked)
- packed_refs_unlock(refs->packed_ref_store);
+ if (backend_data->packed_refs_locked)
+ packed_refs_unlock(refs->packed_ref_store);
- free(backend_data);
+ free(backend_data);
+ }
transaction->state = REF_TRANSACTION_CLOSED;
}
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 ff2436c0fb..527b0a6e2e 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -96,12 +96,6 @@ enum peel_status {
*/
enum peel_status peel_object(const struct object_id *name, struct object_id *oid);
-/*
- * Copy the reflog message msg to sb while cleaning up the whitespaces.
- * Especially, convert LF to space, because reflog file is one line per entry.
- */
-void copy_reflog_msg(struct strbuf *sb, const char *msg);
-
/**
* Information needed for a single ref update. Set new_oid to the new
* value or to null_oid to delete the ref. To check the old value
@@ -347,9 +341,13 @@ int is_empty_ref_iterator(struct ref_iterator *ref_iterator);
/*
* Return an iterator that goes over each reference in `refs` for
* which the refname begins with prefix. If trim is non-zero, then
- * trim that many characters off the beginning of each refname. flags
- * can be DO_FOR_EACH_INCLUDE_BROKEN to include broken references in
- * the iteration. The output is ordered by refname.
+ * trim that many characters off the beginning of each refname.
+ * The output is ordered by refname. The following flags are supported:
+ *
+ * DO_FOR_EACH_INCLUDE_BROKEN: include broken references in
+ * the iteration.
+ *
+ * DO_FOR_EACH_PER_WORKTREE_ONLY: only produce REF_TYPE_PER_WORKTREE refs.
*/
struct ref_iterator *refs_ref_iterator_begin(
struct ref_store *refs,
@@ -438,6 +436,14 @@ void base_ref_iterator_free(struct ref_iterator *iter);
/* Virtual function declarations for ref_iterators: */
+/*
+ * backend-specific implementation of ref_iterator_advance. For symrefs, the
+ * function should set REF_ISSYMREF, and it should also dereference the symref
+ * to provide the OID referent. If DO_FOR_EACH_INCLUDE_BROKEN is set, symrefs
+ * with non-existent referents and refs pointing to non-existent object names
+ * should also be returned. If DO_FOR_EACH_PER_WORKTREE_ONLY, only
+ * REF_TYPE_PER_WORKTREE refs should be returned.
+ */
typedef int ref_iterator_advance_fn(struct ref_iterator *ref_iterator);
typedef int ref_iterator_peel_fn(struct ref_iterator *ref_iterator,
@@ -661,14 +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 2024-11-23 23:27:56 +0000