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Diffstat (limited to 'refs/files-backend.c')
-rw-r--r--refs/files-backend.c118
1 files changed, 74 insertions, 44 deletions
diff --git a/refs/files-backend.c b/refs/files-backend.c
index bec8e30e9e..dd8abe9185 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -9,6 +9,8 @@
#include "../lockfile.h"
#include "../object.h"
#include "../dir.h"
+#include "../chdir-notify.h"
+#include "worktree.h"
/*
* This backend uses the following flags in `ref_update::flags` for
@@ -61,10 +63,6 @@ struct ref_lock {
struct object_id old_oid;
};
-/*
- * Future: need to be in "struct repository"
- * when doing a full libification.
- */
struct files_ref_store {
struct ref_store base;
unsigned int store_flags;
@@ -106,6 +104,11 @@ static struct ref_store *files_ref_store_create(const char *gitdir,
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_COMMONDIR",
+ &refs->gitcommondir);
+
return ref_store;
}
@@ -119,7 +122,7 @@ static void files_assert_main_repository(struct files_ref_store *refs,
if (refs->store_flags & REF_STORE_MAIN)
return;
- die("BUG: operation %s only allowed for main ref store", caller);
+ BUG("operation %s only allowed for main ref store", caller);
}
/*
@@ -135,18 +138,37 @@ static struct files_ref_store *files_downcast(struct ref_store *ref_store,
struct files_ref_store *refs;
if (ref_store->be != &refs_be_files)
- die("BUG: ref_store is type \"%s\" not \"files\" in %s",
+ BUG("ref_store is type \"%s\" not \"files\" in %s",
ref_store->be->name, caller);
refs = (struct files_ref_store *)ref_store;
if ((refs->store_flags & required_flags) != required_flags)
- die("BUG: operation %s requires abilities 0x%x, but only have 0x%x",
+ BUG("operation %s requires abilities 0x%x, but only have 0x%x",
caller, required_flags, refs->store_flags);
return refs;
}
+static void files_reflog_path_other_worktrees(struct files_ref_store *refs,
+ struct strbuf *sb,
+ const char *refname)
+{
+ const char *real_ref;
+ const char *worktree_name;
+ int length;
+
+ if (parse_worktree_ref(refname, &worktree_name, &length, &real_ref))
+ BUG("refname %s is not a other-worktree ref", refname);
+
+ if (worktree_name)
+ strbuf_addf(sb, "%s/worktrees/%.*s/logs/%s", refs->gitcommondir,
+ length, worktree_name, real_ref);
+ else
+ strbuf_addf(sb, "%s/logs/%s", refs->gitcommondir,
+ real_ref);
+}
+
static void files_reflog_path(struct files_ref_store *refs,
struct strbuf *sb,
const char *refname)
@@ -156,11 +178,15 @@ static void files_reflog_path(struct files_ref_store *refs,
case REF_TYPE_PSEUDOREF:
strbuf_addf(sb, "%s/logs/%s", refs->gitdir, refname);
break;
+ case REF_TYPE_OTHER_PSEUDOREF:
+ case REF_TYPE_MAIN_PSEUDOREF:
+ files_reflog_path_other_worktrees(refs, sb, refname);
+ break;
case REF_TYPE_NORMAL:
strbuf_addf(sb, "%s/logs/%s", refs->gitcommondir, refname);
break;
default:
- die("BUG: unknown ref type %d of ref %s",
+ BUG("unknown ref type %d of ref %s",
ref_type(refname), refname);
}
}
@@ -174,11 +200,16 @@ static void files_ref_path(struct files_ref_store *refs,
case REF_TYPE_PSEUDOREF:
strbuf_addf(sb, "%s/%s", refs->gitdir, refname);
break;
+ case REF_TYPE_MAIN_PSEUDOREF:
+ if (!skip_prefix(refname, "main-worktree/", &refname))
+ BUG("ref %s is not a main pseudoref", refname);
+ /* fallthrough */
+ case REF_TYPE_OTHER_PSEUDOREF:
case REF_TYPE_NORMAL:
strbuf_addf(sb, "%s/%s", refs->gitcommondir, refname);
break;
default:
- die("BUG: unknown ref type %d of ref %s",
+ BUG("unknown ref type %d of ref %s",
ref_type(refname), refname);
}
}
@@ -267,9 +298,9 @@ static void loose_fill_ref_dir(struct ref_store *ref_store,
closedir(d);
/*
- * Manually add refs/bisect, which, being per-worktree, might
- * not appear in the directory listing for refs/ in the main
- * repo.
+ * Manually add refs/bisect and refs/worktree, which, being
+ * per-worktree, might not appear in the directory listing for
+ * refs/ in the main repo.
*/
if (!strcmp(dirname, "refs/")) {
int pos = search_ref_dir(dir, "refs/bisect/", 12);
@@ -279,6 +310,14 @@ static void loose_fill_ref_dir(struct ref_store *ref_store,
dir->cache, "refs/bisect/", 12, 1);
add_entry_to_dir(dir, child_entry);
}
+
+ pos = search_ref_dir(dir, "refs/worktree/", 11);
+
+ if (pos < 0) {
+ struct ref_entry *child_entry = create_dir_entry(
+ dir->cache, "refs/worktree/", 11, 1);
+ add_entry_to_dir(dir, child_entry);
+ }
}
}
@@ -361,7 +400,7 @@ stat_ref:
/* Follow "normalized" - ie "refs/.." symlinks by hand */
if (S_ISLNK(st.st_mode)) {
strbuf_reset(&sb_contents);
- if (strbuf_readlink(&sb_contents, path, 0) < 0) {
+ if (strbuf_readlink(&sb_contents, path, st.st_size) < 0) {
if (errno == ENOENT || errno == EINVAL)
/* inconsistent with lstat; retry */
goto stat_ref;
@@ -839,7 +878,7 @@ static int verify_lock(struct ref_store *ref_store, struct ref_lock *lock,
return 0;
}
}
- if (old_oid && oidcmp(&lock->old_oid, old_oid)) {
+ if (old_oid && !oideq(&lock->old_oid, old_oid)) {
strbuf_addf(err, "ref '%s' is at %s but expected %s",
lock->ref_name,
oid_to_hex(&lock->old_oid),
@@ -1580,26 +1619,17 @@ static int log_ref_write_fd(int fd, const struct object_id *old_oid,
const struct object_id *new_oid,
const char *committer, const char *msg)
{
- int msglen, written;
- unsigned maxlen, len;
- char *logrec;
-
- msglen = msg ? strlen(msg) : 0;
- maxlen = strlen(committer) + msglen + 100;
- logrec = xmalloc(maxlen);
- len = xsnprintf(logrec, maxlen, "%s %s %s\n",
- oid_to_hex(old_oid),
- oid_to_hex(new_oid),
- committer);
- if (msglen)
- len += copy_reflog_msg(logrec + len - 1, msg) - 1;
-
- written = len <= maxlen ? write_in_full(fd, logrec, len) : -1;
- free(logrec);
- if (written < 0)
- return -1;
+ struct strbuf sb = STRBUF_INIT;
+ int ret = 0;
- return 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);
+ strbuf_addch(&sb, '\n');
+ if (write_in_full(fd, sb.buf, sb.len) < 0)
+ ret = -1;
+ strbuf_release(&sb);
+ return ret;
}
static int files_log_ref_write(struct files_ref_store *refs,
@@ -1658,7 +1688,7 @@ static int write_ref_to_lockfile(struct ref_lock *lock,
struct object *o;
int fd;
- o = parse_object(oid);
+ o = parse_object(the_repository, oid);
if (!o) {
strbuf_addf(err,
"trying to write ref '%s' with nonexistent object %s",
@@ -1674,7 +1704,7 @@ static int write_ref_to_lockfile(struct ref_lock *lock,
return -1;
}
fd = get_lock_file_fd(&lock->lk);
- if (write_in_full(fd, oid_to_hex(oid), GIT_SHA1_HEXSZ) < 0 ||
+ if (write_in_full(fd, oid_to_hex(oid), the_hash_algo->hexsz) < 0 ||
write_in_full(fd, &term, 1) < 0 ||
close_ref_gently(lock) < 0) {
strbuf_addf(err,
@@ -2004,7 +2034,7 @@ static int files_for_each_reflog_ent_reverse(struct ref_store *ref_store,
}
if (!ret && sb.len)
- die("BUG: reverse reflog parser had leftover data");
+ BUG("reverse reflog parser had leftover data");
fclose(logfp);
strbuf_release(&sb);
@@ -2082,7 +2112,7 @@ static int files_reflog_iterator_advance(struct ref_iterator *ref_iterator)
static int files_reflog_iterator_peel(struct ref_iterator *ref_iterator,
struct object_id *peeled)
{
- die("BUG: ref_iterator_peel() called for reflog_iterator");
+ BUG("ref_iterator_peel() called for reflog_iterator");
}
static int files_reflog_iterator_abort(struct ref_iterator *ref_iterator)
@@ -2314,7 +2344,7 @@ static int check_old_oid(struct ref_update *update, struct object_id *oid,
struct strbuf *err)
{
if (!(update->flags & REF_HAVE_OLD) ||
- !oidcmp(oid, &update->old_oid))
+ oideq(oid, &update->old_oid))
return 0;
if (is_null_oid(&update->old_oid))
@@ -2450,7 +2480,7 @@ static int lock_ref_for_update(struct files_ref_store *refs,
!(update->flags & REF_DELETING) &&
!(update->flags & REF_LOG_ONLY)) {
if (!(update->type & REF_ISSYMREF) &&
- !oidcmp(&lock->old_oid, &update->new_oid)) {
+ oideq(&lock->old_oid, &update->new_oid)) {
/*
* The reference already has the desired
* value, so we don't need to write it.
@@ -2867,7 +2897,7 @@ static int files_initial_transaction_commit(struct ref_store *ref_store,
assert(err);
if (transaction->state != REF_TRANSACTION_OPEN)
- die("BUG: commit called for transaction that is not open");
+ BUG("commit called for transaction that is not open");
/* Fail if a refname appears more than once in the transaction: */
for (i = 0; i < transaction->nr; i++)
@@ -2893,7 +2923,7 @@ static int files_initial_transaction_commit(struct ref_store *ref_store,
*/
if (refs_for_each_rawref(&refs->base, ref_present,
&affected_refnames))
- die("BUG: initial ref transaction called with existing refs");
+ BUG("initial ref transaction called with existing refs");
packed_transaction = ref_store_transaction_begin(refs->packed_ref_store, err);
if (!packed_transaction) {
@@ -2906,7 +2936,7 @@ static int files_initial_transaction_commit(struct ref_store *ref_store,
if ((update->flags & REF_HAVE_OLD) &&
!is_null_oid(&update->old_oid))
- die("BUG: initial ref transaction with old_sha1 set");
+ BUG("initial ref transaction with old_sha1 set");
if (refs_verify_refname_available(&refs->base, update->refname,
&affected_refnames, NULL,
err)) {
@@ -2989,7 +3019,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
{
struct files_ref_store *refs =
files_downcast(ref_store, REF_STORE_WRITE, "reflog_expire");
- static struct lock_file reflog_lock;
+ struct lock_file reflog_lock = LOCK_INIT;
struct expire_reflog_cb cb;
struct ref_lock *lock;
struct strbuf log_file_sb = STRBUF_INIT;
@@ -3068,7 +3098,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
rollback_lock_file(&reflog_lock);
} else if (update &&
(write_in_full(get_lock_file_fd(&lock->lk),
- oid_to_hex(&cb.last_kept_oid), GIT_SHA1_HEXSZ) < 0 ||
+ oid_to_hex(&cb.last_kept_oid), the_hash_algo->hexsz) < 0 ||
write_str_in_full(get_lock_file_fd(&lock->lk), "\n") < 0 ||
close_ref_gently(lock) < 0)) {
status |= error("couldn't write %s",
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 06:46:20 +0000