diff options
Diffstat (limited to 'third_party/git/refs/files-backend.c')
| -rw-r--r-- | third_party/git/refs/files-backend.c | 87 |
1 files changed, 42 insertions, 45 deletions
diff --git a/third_party/git/refs/files-backend.c b/third_party/git/refs/files-backend.c index d60767ab739f..04e85e70029b 100644 --- a/third_party/git/refs/files-backend.c +++ b/third_party/git/refs/files-backend.c @@ -39,13 +39,6 @@ #define REF_NEEDS_COMMIT (1 << 6) /* - * Used as a flag in ref_update::flags when we want to log a ref - * update but not actually perform it. This is used when a symbolic - * ref update is split up. - */ -#define REF_LOG_ONLY (1 << 7) - -/* * Used as a flag in ref_update::flags when the ref_update was via an * update to HEAD. */ @@ -67,7 +60,6 @@ struct files_ref_store { struct ref_store base; unsigned int store_flags; - char *gitdir; char *gitcommondir; struct ref_cache *loose; @@ -94,18 +86,17 @@ 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 +167,7 @@ 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 +189,7 @@ 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 +351,6 @@ 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 +455,41 @@ 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 +1321,7 @@ 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 +1389,7 @@ 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 +1623,10 @@ 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 +2194,11 @@ 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 +2561,18 @@ 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; } |