files-backend: remove the use of git_path()
[gitweb.git] / refs / files-backend.c
index f17daddffaad79431fdb9475dff93012d2c7aaba..9676cd32e41a14bafa90921fea9f805de47f9c2e 100644 (file)
@@ -165,7 +165,8 @@ static struct ref_entry *create_dir_entry(struct files_ref_store *ref_store,
                                          const char *dirname, size_t len,
                                          int incomplete);
 static void add_entry_to_dir(struct ref_dir *dir, struct ref_entry *entry);
-static int files_log_ref_write(const char *refname, const unsigned char *old_sha1,
+static int files_log_ref_write(struct files_ref_store *refs,
+                              const char *refname, const unsigned char *old_sha1,
                               const unsigned char *new_sha1, const char *msg,
                               int flags, struct strbuf *err);
 
@@ -922,7 +923,8 @@ struct files_ref_store {
         * store:
         */
        const char *submodule;
-
+       char *gitdir;
+       char *gitcommondir;
        char *packed_refs_path;
 
        struct ref_entry *loose;
@@ -984,6 +986,8 @@ static struct ref_store *files_ref_store_create(const char *submodule)
 {
        struct files_ref_store *refs = xcalloc(1, sizeof(*refs));
        struct ref_store *ref_store = (struct ref_store *)refs;
+       struct strbuf sb = STRBUF_INIT;
+       const char *gitdir = get_git_dir();
 
        base_ref_store_init(ref_store, &refs_be_files);
 
@@ -994,7 +998,11 @@ static struct ref_store *files_ref_store_create(const char *submodule)
                return ref_store;
        }
 
-       refs->packed_refs_path = git_pathdup("packed-refs");
+       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_refs_path = strbuf_detach(&sb, NULL);
 
        return ref_store;
 }
@@ -1167,6 +1175,56 @@ static const char *files_packed_refs_path(struct files_ref_store *refs)
        return refs->packed_refs_path;
 }
 
+static void files_reflog_path(struct files_ref_store *refs,
+                             struct strbuf *sb,
+                             const char *refname)
+{
+       if (!refname) {
+               /*
+                * FIXME: of course this is wrong in multi worktree
+                * setting. To be fixed real soon.
+                */
+               strbuf_addf(sb, "%s/logs", refs->gitcommondir);
+               return;
+       }
+
+       switch (ref_type(refname)) {
+       case REF_TYPE_PER_WORKTREE:
+       case REF_TYPE_PSEUDOREF:
+               strbuf_addf(sb, "%s/logs/%s", refs->gitdir, 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",
+                   ref_type(refname), refname);
+       }
+}
+
+static void files_ref_path(struct files_ref_store *refs,
+                          struct strbuf *sb,
+                          const char *refname)
+{
+       if (refs->submodule) {
+               strbuf_git_path_submodule(sb, refs->submodule, "%s", refname);
+               return;
+       }
+
+       switch (ref_type(refname)) {
+       case REF_TYPE_PER_WORKTREE:
+       case REF_TYPE_PSEUDOREF:
+               strbuf_addf(sb, "%s/%s", refs->gitdir, refname);
+               break;
+       case REF_TYPE_NORMAL:
+               strbuf_addf(sb, "%s/%s", refs->gitcommondir, refname);
+               break;
+       default:
+               die("BUG: unknown ref type %d of ref %s",
+                   ref_type(refname), refname);
+       }
+}
+
 /*
  * Get the packed_ref_cache for the specified files_ref_store,
  * creating it if necessary.
@@ -1236,19 +1294,10 @@ static void read_loose_refs(const char *dirname, struct ref_dir *dir)
        struct strbuf refname;
        struct strbuf path = STRBUF_INIT;
        size_t path_baselen;
-       int err = 0;
 
-       if (refs->submodule)
-               err = strbuf_git_path_submodule(&path, refs->submodule, "%s", dirname);
-       else
-               strbuf_git_path(&path, "%s", dirname);
+       files_ref_path(refs, &path, dirname);
        path_baselen = path.len;
 
-       if (err) {
-               strbuf_release(&path);
-               return;
-       }
-
        d = opendir(path.buf);
        if (!d) {
                strbuf_release(&path);
@@ -1383,10 +1432,7 @@ static int files_read_raw_ref(struct ref_store *ref_store,
        *type = 0;
        strbuf_reset(&sb_path);
 
-       if (refs->submodule)
-               strbuf_git_path_submodule(&sb_path, refs->submodule, "%s", refname);
-       else
-               strbuf_git_path(&sb_path, "%s", refname);
+       files_ref_path(refs, &sb_path, refname);
 
        path = sb_path.buf;
 
@@ -1574,7 +1620,7 @@ static int lock_raw_ref(struct files_ref_store *refs,
        *lock_p = lock = xcalloc(1, sizeof(*lock));
 
        lock->ref_name = xstrdup(refname);
-       strbuf_git_path(&ref_file, "%s", refname);
+       files_ref_path(refs, &ref_file, refname);
 
 retry:
        switch (safe_create_leading_directories(ref_file.buf)) {
@@ -2043,7 +2089,7 @@ static struct ref_lock *lock_ref_sha1_basic(struct files_ref_store *refs,
        if (flags & REF_DELETING)
                resolve_flags |= RESOLVE_REF_ALLOW_BAD_NAME;
 
-       strbuf_git_path(&ref_file, "%s", refname);
+       files_ref_path(refs, &ref_file, refname);
        resolved = !!resolve_ref_unsafe(refname, resolve_flags,
                                        lock->old_oid.hash, type);
        if (!resolved && errno == EISDIR) {
@@ -2313,9 +2359,12 @@ enum {
  * subdirs. flags is a combination of REMOVE_EMPTY_PARENTS_REF and/or
  * REMOVE_EMPTY_PARENTS_REFLOG.
  */
-static void try_remove_empty_parents(const char *refname, unsigned int flags)
+static void try_remove_empty_parents(struct files_ref_store *refs,
+                                    const char *refname,
+                                    unsigned int flags)
 {
        struct strbuf buf = STRBUF_INIT;
+       struct strbuf sb = STRBUF_INIT;
        char *p, *q;
        int i;
 
@@ -2337,14 +2386,19 @@ static void try_remove_empty_parents(const char *refname, unsigned int flags)
                if (q == p)
                        break;
                strbuf_setlen(&buf, q - buf.buf);
-               if ((flags & REMOVE_EMPTY_PARENTS_REF) &&
-                   rmdir(git_path("%s", buf.buf)))
+
+               strbuf_reset(&sb);
+               files_ref_path(refs, &sb, buf.buf);
+               if ((flags & REMOVE_EMPTY_PARENTS_REF) && rmdir(sb.buf))
                        flags &= ~REMOVE_EMPTY_PARENTS_REF;
-               if ((flags & REMOVE_EMPTY_PARENTS_REFLOG) &&
-                   rmdir(git_path("logs/%s", buf.buf)))
+
+               strbuf_reset(&sb);
+               files_reflog_path(refs, &sb, buf.buf);
+               if ((flags & REMOVE_EMPTY_PARENTS_REFLOG) && rmdir(sb.buf))
                        flags &= ~REMOVE_EMPTY_PARENTS_REFLOG;
        }
        strbuf_release(&buf);
+       strbuf_release(&sb);
 }
 
 /* make sure nobody touched the ref, and unlink */
@@ -2504,13 +2558,18 @@ static int files_delete_refs(struct ref_store *ref_store,
  * IOW, to avoid cross device rename errors, the temporary renamed log must
  * live into logs/refs.
  */
-#define TMP_RENAMED_LOG  "logs/refs/.tmp-renamed-log"
+#define TMP_RENAMED_LOG  "refs/.tmp-renamed-log"
 
-static int rename_tmp_log_callback(const char *path, void *cb)
+struct rename_cb {
+       const char *tmp_renamed_log;
+       int true_errno;
+};
+
+static int rename_tmp_log_callback(const char *path, void *cb_data)
 {
-       int *true_errno = cb;
+       struct rename_cb *cb = cb_data;
 
-       if (rename(git_path(TMP_RENAMED_LOG), path)) {
+       if (rename(cb->tmp_renamed_log, path)) {
                /*
                 * rename(a, b) when b is an existing directory ought
                 * to result in ISDIR, but Solaris 5.8 gives ENOTDIR.
@@ -2518,7 +2577,7 @@ static int rename_tmp_log_callback(const char *path, void *cb)
                 * but report EISDIR to raceproof_create_file() so
                 * that it knows to retry.
                 */
-               *true_errno = errno;
+               cb->true_errno = errno;
                if (errno == ENOTDIR)
                        errno = EISDIR;
                return -1;
@@ -2527,22 +2586,28 @@ static int rename_tmp_log_callback(const char *path, void *cb)
        }
 }
 
-static int rename_tmp_log(const char *newrefname)
+static int rename_tmp_log(struct files_ref_store *refs, const char *newrefname)
 {
-       char *path = git_pathdup("logs/%s", newrefname);
-       int ret, true_errno;
+       struct strbuf path = STRBUF_INIT;
+       struct strbuf tmp = STRBUF_INIT;
+       struct rename_cb cb;
+       int ret;
 
-       ret = raceproof_create_file(path, rename_tmp_log_callback, &true_errno);
+       files_reflog_path(refs, &path, newrefname);
+       files_reflog_path(refs, &tmp, TMP_RENAMED_LOG);
+       cb.tmp_renamed_log = tmp.buf;
+       ret = raceproof_create_file(path.buf, rename_tmp_log_callback, &cb);
        if (ret) {
                if (errno == EISDIR)
-                       error("directory not empty: %s", path);
+                       error("directory not empty: %s", path.buf);
                else
                        error("unable to move logfile %s to %s: %s",
-                             git_path(TMP_RENAMED_LOG), path,
-                             strerror(true_errno));
+                             tmp.buf, path.buf,
+                             strerror(cb.true_errno));
        }
 
-       free(path);
+       strbuf_release(&path);
+       strbuf_release(&tmp);
        return ret;
 }
 
@@ -2583,25 +2648,43 @@ static int files_rename_ref(struct ref_store *ref_store,
        int flag = 0, logmoved = 0;
        struct ref_lock *lock;
        struct stat loginfo;
-       int log = !lstat(git_path("logs/%s", oldrefname), &loginfo);
+       struct strbuf sb_oldref = STRBUF_INIT;
+       struct strbuf sb_newref = STRBUF_INIT;
+       struct strbuf tmp_renamed_log = STRBUF_INIT;
+       int log, ret;
        struct strbuf err = STRBUF_INIT;
 
-       if (log && S_ISLNK(loginfo.st_mode))
-               return error("reflog for %s is a symlink", oldrefname);
+       files_reflog_path(refs, &sb_oldref, oldrefname);
+       files_reflog_path(refs, &sb_newref, newrefname);
+       files_reflog_path(refs, &tmp_renamed_log, TMP_RENAMED_LOG);
+
+       log = !lstat(sb_oldref.buf, &loginfo);
+       if (log && S_ISLNK(loginfo.st_mode)) {
+               ret = error("reflog for %s is a symlink", oldrefname);
+               goto out;
+       }
 
        if (!resolve_ref_unsafe(oldrefname, RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE,
-                               orig_sha1, &flag))
-               return error("refname %s not found", oldrefname);
+                               orig_sha1, &flag)) {
+               ret = error("refname %s not found", oldrefname);
+               goto out;
+       }
 
-       if (flag & REF_ISSYMREF)
-               return error("refname %s is a symbolic ref, renaming it is not supported",
-                       oldrefname);
-       if (!rename_ref_available(oldrefname, newrefname))
-               return 1;
+       if (flag & REF_ISSYMREF) {
+               ret = error("refname %s is a symbolic ref, renaming it is not supported",
+                           oldrefname);
+               goto out;
+       }
+       if (!rename_ref_available(oldrefname, newrefname)) {
+               ret = 1;
+               goto out;
+       }
 
-       if (log && rename(git_path("logs/%s", oldrefname), git_path(TMP_RENAMED_LOG)))
-               return error("unable to move logfile logs/%s to "TMP_RENAMED_LOG": %s",
-                       oldrefname, strerror(errno));
+       if (log && rename(sb_oldref.buf, tmp_renamed_log.buf)) {
+               ret = error("unable to move logfile logs/%s to logs/"TMP_RENAMED_LOG": %s",
+                           oldrefname, strerror(errno));
+               goto out;
+       }
 
        if (delete_ref(logmsg, oldrefname, orig_sha1, REF_NODEREF)) {
                error("unable to delete old %s", oldrefname);
@@ -2622,7 +2705,7 @@ static int files_rename_ref(struct ref_store *ref_store,
                        struct strbuf path = STRBUF_INIT;
                        int result;
 
-                       strbuf_git_path(&path, "%s", newrefname);
+                       files_ref_path(refs, &path, newrefname);
                        result = remove_empty_directories(&path);
                        strbuf_release(&path);
 
@@ -2636,7 +2719,7 @@ static int files_rename_ref(struct ref_store *ref_store,
                }
        }
 
-       if (log && rename_tmp_log(newrefname))
+       if (log && rename_tmp_log(refs, newrefname))
                goto rollback;
 
        logmoved = log;
@@ -2657,7 +2740,8 @@ static int files_rename_ref(struct ref_store *ref_store,
                goto rollback;
        }
 
-       return 0;
+       ret = 0;
+       goto out;
 
  rollback:
        lock = lock_ref_sha1_basic(refs, oldrefname, NULL, NULL, NULL,
@@ -2678,15 +2762,20 @@ static int files_rename_ref(struct ref_store *ref_store,
        log_all_ref_updates = flag;
 
  rollbacklog:
-       if (logmoved && rename(git_path("logs/%s", newrefname), git_path("logs/%s", oldrefname)))
+       if (logmoved && rename(sb_newref.buf, sb_oldref.buf))
                error("unable to restore logfile %s from %s: %s",
                        oldrefname, newrefname, strerror(errno));
        if (!logmoved && log &&
-           rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", oldrefname)))
-               error("unable to restore logfile %s from "TMP_RENAMED_LOG": %s",
+           rename(tmp_renamed_log.buf, sb_oldref.buf))
+               error("unable to restore logfile %s from logs/"TMP_RENAMED_LOG": %s",
                        oldrefname, strerror(errno));
+       ret = 1;
+ out:
+       strbuf_release(&sb_newref);
+       strbuf_release(&sb_oldref);
+       strbuf_release(&tmp_renamed_log);
 
-       return 1;
+       return ret;
 }
 
 static int close_ref(struct ref_lock *lock)
@@ -2745,10 +2834,15 @@ static int open_or_create_logfile(const char *path, void *cb)
  * set *logfd to -1. On failure, fill in *err, set *logfd to -1, and
  * return -1.
  */
-static int log_ref_setup(const char *refname, int force_create,
+static int log_ref_setup(struct files_ref_store *refs,
+                        const char *refname, int force_create,
                         int *logfd, struct strbuf *err)
 {
-       char *logfile = git_pathdup("logs/%s", refname);
+       struct strbuf logfile_sb = STRBUF_INIT;
+       char *logfile;
+
+       files_reflog_path(refs, &logfile_sb, refname);
+       logfile = strbuf_detach(&logfile_sb, NULL);
 
        if (force_create || should_autocreate_reflog(refname)) {
                if (raceproof_create_file(logfile, open_or_create_logfile, logfd)) {
@@ -2798,12 +2892,11 @@ static int files_create_reflog(struct ref_store *ref_store,
                               const char *refname, int force_create,
                               struct strbuf *err)
 {
+       struct files_ref_store *refs =
+               files_downcast(ref_store, 0, "create_reflog");
        int fd;
 
-       /* Check validity (but we don't need the result): */
-       files_downcast(ref_store, 0, "create_reflog");
-
-       if (log_ref_setup(refname, force_create, &fd, err))
+       if (log_ref_setup(refs, refname, force_create, &fd, err))
                return -1;
 
        if (fd >= 0)
@@ -2838,7 +2931,8 @@ static int log_ref_write_fd(int fd, const unsigned char *old_sha1,
        return 0;
 }
 
-static int files_log_ref_write(const char *refname, const unsigned char *old_sha1,
+static int files_log_ref_write(struct files_ref_store *refs,
+                              const char *refname, const unsigned char *old_sha1,
                               const unsigned char *new_sha1, const char *msg,
                               int flags, struct strbuf *err)
 {
@@ -2847,7 +2941,8 @@ static int files_log_ref_write(const char *refname, const unsigned char *old_sha
        if (log_all_ref_updates == LOG_REFS_UNSET)
                log_all_ref_updates = is_bare_repository() ? LOG_REFS_NONE : LOG_REFS_NORMAL;
 
-       result = log_ref_setup(refname, flags & REF_FORCE_CREATE_REFLOG,
+       result = log_ref_setup(refs, refname,
+                              flags & REF_FORCE_CREATE_REFLOG,
                               &logfd, err);
 
        if (result)
@@ -2858,18 +2953,24 @@ static int files_log_ref_write(const char *refname, const unsigned char *old_sha
        result = log_ref_write_fd(logfd, old_sha1, new_sha1,
                                  git_committer_info(0), msg);
        if (result) {
+               struct strbuf sb = STRBUF_INIT;
                int save_errno = errno;
 
+               files_reflog_path(refs, &sb, refname);
                strbuf_addf(err, "unable to append to '%s': %s",
-                           git_path("logs/%s", refname), strerror(save_errno));
+                           sb.buf, strerror(save_errno));
+               strbuf_release(&sb);
                close(logfd);
                return -1;
        }
        if (close(logfd)) {
+               struct strbuf sb = STRBUF_INIT;
                int save_errno = errno;
 
+               files_reflog_path(refs, &sb, refname);
                strbuf_addf(err, "unable to append to '%s': %s",
-                           git_path("logs/%s", refname), strerror(save_errno));
+                           sb.buf, strerror(save_errno));
+               strbuf_release(&sb);
                return -1;
        }
        return 0;
@@ -2927,7 +3028,8 @@ static int commit_ref_update(struct files_ref_store *refs,
        files_assert_main_repository(refs, "commit_ref_update");
 
        clear_loose_ref_cache(refs);
-       if (files_log_ref_write(lock->ref_name, lock->old_oid.hash, sha1,
+       if (files_log_ref_write(refs, lock->ref_name,
+                               lock->old_oid.hash, sha1,
                                logmsg, 0, err)) {
                char *old_msg = strbuf_detach(err, NULL);
                strbuf_addf(err, "cannot update the ref '%s': %s",
@@ -2959,8 +3061,9 @@ static int commit_ref_update(struct files_ref_store *refs,
                if (head_ref && (head_flag & REF_ISSYMREF) &&
                    !strcmp(head_ref, lock->ref_name)) {
                        struct strbuf log_err = STRBUF_INIT;
-                       if (files_log_ref_write("HEAD", lock->old_oid.hash, sha1,
-                                         logmsg, 0, &log_err)) {
+                       if (files_log_ref_write(refs, "HEAD",
+                                               lock->old_oid.hash, sha1,
+                                               logmsg, 0, &log_err)) {
                                error("%s", log_err.buf);
                                strbuf_release(&log_err);
                        }
@@ -2992,24 +3095,26 @@ static int create_ref_symlink(struct ref_lock *lock, const char *target)
        return ret;
 }
 
-static void update_symref_reflog(struct ref_lock *lock, const char *refname,
+static void update_symref_reflog(struct files_ref_store *refs,
+                                struct ref_lock *lock, const char *refname,
                                 const char *target, const char *logmsg)
 {
        struct strbuf err = STRBUF_INIT;
        unsigned char new_sha1[20];
        if (logmsg && !read_ref(target, new_sha1) &&
-           files_log_ref_write(refname, lock->old_oid.hash, new_sha1,
-                               logmsg, 0, &err)) {
+           files_log_ref_write(refs, refname, lock->old_oid.hash,
+                               new_sha1, logmsg, 0, &err)) {
                error("%s", err.buf);
                strbuf_release(&err);
        }
 }
 
-static int create_symref_locked(struct ref_lock *lock, const char *refname,
+static int create_symref_locked(struct files_ref_store *refs,
+                               struct ref_lock *lock, const char *refname,
                                const char *target, const char *logmsg)
 {
        if (prefer_symlink_refs && !create_ref_symlink(lock, target)) {
-               update_symref_reflog(lock, refname, target, logmsg);
+               update_symref_reflog(refs, lock, refname, target, logmsg);
                return 0;
        }
 
@@ -3017,7 +3122,7 @@ static int create_symref_locked(struct ref_lock *lock, const char *refname,
                return error("unable to fdopen %s: %s",
                             lock->lk->tempfile.filename.buf, strerror(errno));
 
-       update_symref_reflog(lock, refname, target, logmsg);
+       update_symref_reflog(refs, lock, refname, target, logmsg);
 
        /* no error check; commit_ref will check ferror */
        fprintf(lock->lk->tempfile.fp, "ref: %s\n", target);
@@ -3046,13 +3151,20 @@ static int files_create_symref(struct ref_store *ref_store,
                return -1;
        }
 
-       ret = create_symref_locked(lock, refname, target, logmsg);
+       ret = create_symref_locked(refs, lock, refname, target, logmsg);
        unlock_ref(lock);
        return ret;
 }
 
 int set_worktree_head_symref(const char *gitdir, const char *target, const char *logmsg)
 {
+       /*
+        * FIXME: this obviously will not work well for future refs
+        * backends. This function needs to die.
+        */
+       struct files_ref_store *refs =
+               files_downcast(get_ref_store(NULL), 0, "set_head_symref");
+
        static struct lock_file head_lock;
        struct ref_lock *lock;
        struct strbuf head_path = STRBUF_INIT;
@@ -3079,7 +3191,7 @@ int set_worktree_head_symref(const char *gitdir, const char *target, const char
        lock->lk = &head_lock;
        lock->ref_name = xstrdup(head_rel);
 
-       ret = create_symref_locked(lock, head_rel, target, logmsg);
+       ret = create_symref_locked(refs, lock, head_rel, target, logmsg);
 
        unlock_ref(lock); /* will free lock */
        strbuf_release(&head_path);
@@ -3089,22 +3201,30 @@ int set_worktree_head_symref(const char *gitdir, const char *target, const char
 static int files_reflog_exists(struct ref_store *ref_store,
                               const char *refname)
 {
+       struct files_ref_store *refs =
+               files_downcast(ref_store, 0, "reflog_exists");
+       struct strbuf sb = STRBUF_INIT;
        struct stat st;
+       int ret;
 
-       /* Check validity (but we don't need the result): */
-       files_downcast(ref_store, 0, "reflog_exists");
-
-       return !lstat(git_path("logs/%s", refname), &st) &&
-               S_ISREG(st.st_mode);
+       files_reflog_path(refs, &sb, refname);
+       ret = !lstat(sb.buf, &st) && S_ISREG(st.st_mode);
+       strbuf_release(&sb);
+       return ret;
 }
 
 static int files_delete_reflog(struct ref_store *ref_store,
                               const char *refname)
 {
-       /* Check validity (but we don't need the result): */
-       files_downcast(ref_store, 0, "delete_reflog");
+       struct files_ref_store *refs =
+               files_downcast(ref_store, 0, "delete_reflog");
+       struct strbuf sb = STRBUF_INIT;
+       int ret;
 
-       return remove_path(git_path("logs/%s", refname));
+       files_reflog_path(refs, &sb, refname);
+       ret = remove_path(sb.buf);
+       strbuf_release(&sb);
+       return ret;
 }
 
 static int show_one_reflog_ent(struct strbuf *sb, each_reflog_ent_fn fn, void *cb_data)
@@ -3152,15 +3272,16 @@ static int files_for_each_reflog_ent_reverse(struct ref_store *ref_store,
                                             each_reflog_ent_fn fn,
                                             void *cb_data)
 {
+       struct files_ref_store *refs =
+               files_downcast(ref_store, 0, "for_each_reflog_ent_reverse");
        struct strbuf sb = STRBUF_INIT;
        FILE *logfp;
        long pos;
        int ret = 0, at_tail = 1;
 
-       /* Check validity (but we don't need the result): */
-       files_downcast(ref_store, 0, "for_each_reflog_ent_reverse");
-
-       logfp = fopen(git_path("logs/%s", refname), "r");
+       files_reflog_path(refs, &sb, refname);
+       logfp = fopen(sb.buf, "r");
+       strbuf_release(&sb);
        if (!logfp)
                return -1;
 
@@ -3259,14 +3380,15 @@ static int files_for_each_reflog_ent(struct ref_store *ref_store,
                                     const char *refname,
                                     each_reflog_ent_fn fn, void *cb_data)
 {
+       struct files_ref_store *refs =
+               files_downcast(ref_store, 0, "for_each_reflog_ent");
        FILE *logfp;
        struct strbuf sb = STRBUF_INIT;
        int ret = 0;
 
-       /* Check validity (but we don't need the result): */
-       files_downcast(ref_store, 0, "for_each_reflog_ent");
-
-       logfp = fopen(git_path("logs/%s", refname), "r");
+       files_reflog_path(refs, &sb, refname);
+       logfp = fopen(sb.buf, "r");
+       strbuf_release(&sb);
        if (!logfp)
                return -1;
 
@@ -3346,14 +3468,16 @@ static struct ref_iterator_vtable files_reflog_iterator_vtable = {
 
 static struct ref_iterator *files_reflog_iterator_begin(struct ref_store *ref_store)
 {
+       struct files_ref_store *refs =
+               files_downcast(ref_store, 0, "reflog_iterator_begin");
        struct files_reflog_iterator *iter = xcalloc(1, sizeof(*iter));
        struct ref_iterator *ref_iterator = &iter->base;
-
-       /* Check validity (but we don't need the result): */
-       files_downcast(ref_store, 0, "reflog_iterator_begin");
+       struct strbuf sb = STRBUF_INIT;
 
        base_ref_iterator_init(ref_iterator, &files_reflog_iterator_vtable);
-       iter->dir_iterator = dir_iterator_begin(git_path("logs"));
+       files_reflog_path(refs, &sb, NULL);
+       iter->dir_iterator = dir_iterator_begin(sb.buf);
+       strbuf_release(&sb);
        return ref_iterator;
 }
 
@@ -3691,6 +3815,7 @@ static int files_transaction_commit(struct ref_store *ref_store,
        char *head_ref = NULL;
        int head_type;
        struct object_id head_oid;
+       struct strbuf sb = STRBUF_INIT;
 
        assert(err);
 
@@ -3775,7 +3900,8 @@ static int files_transaction_commit(struct ref_store *ref_store,
 
                if (update->flags & REF_NEEDS_COMMIT ||
                    update->flags & REF_LOG_ONLY) {
-                       if (files_log_ref_write(lock->ref_name,
+                       if (files_log_ref_write(refs,
+                                               lock->ref_name,
                                                lock->old_oid.hash,
                                                update->new_sha1,
                                                update->msg, update->flags,
@@ -3812,7 +3938,9 @@ static int files_transaction_commit(struct ref_store *ref_store,
                        if (!(update->type & REF_ISPACKED) ||
                            update->type & REF_ISSYMREF) {
                                /* It is a loose reference. */
-                               if (unlink_or_msg(git_path("%s", lock->ref_name), err)) {
+                               strbuf_reset(&sb);
+                               files_ref_path(refs, &sb, lock->ref_name);
+                               if (unlink_or_msg(sb.buf, err)) {
                                        ret = TRANSACTION_GENERIC_ERROR;
                                        goto cleanup;
                                }
@@ -3832,14 +3960,17 @@ static int files_transaction_commit(struct ref_store *ref_store,
 
        /* Delete the reflogs of any references that were deleted: */
        for_each_string_list_item(ref_to_delete, &refs_to_delete) {
-               if (!unlink_or_warn(git_path("logs/%s", ref_to_delete->string)))
-                       try_remove_empty_parents(ref_to_delete->string,
+               strbuf_reset(&sb);
+               files_reflog_path(refs, &sb, ref_to_delete->string);
+               if (!unlink_or_warn(sb.buf))
+                       try_remove_empty_parents(refs, ref_to_delete->string,
                                                 REMOVE_EMPTY_PARENTS_REFLOG);
        }
 
        clear_loose_ref_cache(refs);
 
 cleanup:
+       strbuf_release(&sb);
        transaction->state = REF_TRANSACTION_CLOSED;
 
        for (i = 0; i < transaction->nr; i++) {
@@ -3856,7 +3987,7 @@ static int files_transaction_commit(struct ref_store *ref_store,
                         * can only work because we have already
                         * removed the lockfile.)
                         */
-                       try_remove_empty_parents(update->refname,
+                       try_remove_empty_parents(refs, update->refname,
                                                 REMOVE_EMPTY_PARENTS_REF);
                }
        }
@@ -4007,6 +4138,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
        static struct lock_file reflog_lock;
        struct expire_reflog_cb cb;
        struct ref_lock *lock;
+       struct strbuf log_file_sb = STRBUF_INIT;
        char *log_file;
        int status = 0;
        int type;
@@ -4035,7 +4167,8 @@ static int files_reflog_expire(struct ref_store *ref_store,
                return 0;
        }
 
-       log_file = git_pathdup("logs/%s", refname);
+       files_reflog_path(refs, &log_file_sb, refname);
+       log_file = strbuf_detach(&log_file_sb, NULL);
        if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
                /*
                 * Even though holding $GIT_DIR/logs/$reflog.lock has
@@ -4106,14 +4239,21 @@ static int files_reflog_expire(struct ref_store *ref_store,
 
 static int files_init_db(struct ref_store *ref_store, struct strbuf *err)
 {
-       /* Check validity (but we don't need the result): */
-       files_downcast(ref_store, 0, "init_db");
+       struct files_ref_store *refs =
+               files_downcast(ref_store, 0, "init_db");
+       struct strbuf sb = STRBUF_INIT;
 
        /*
         * Create .git/refs/{heads,tags}
         */
-       safe_create_dir(git_path("refs/heads"), 1);
-       safe_create_dir(git_path("refs/tags"), 1);
+       files_ref_path(refs, &sb, "refs/heads");
+       safe_create_dir(sb.buf, 1);
+
+       strbuf_reset(&sb);
+       files_ref_path(refs, &sb, "refs/tags");
+       safe_create_dir(sb.buf, 1);
+
+       strbuf_release(&sb);
        return 0;
 }