Merge branch 'nd/corrupt-worktrees' into maint

diff --git a/worktree.c b/worktree.c
index c79b3e42bb5b4362660419ce95c844d6248aa3b3..5b4793caa34e3ab981268662efdc1d840ac53390 100644 (file)
--- a/worktree.c
+++ b/worktree.c
@@ -49,18 +49,24 @@ static struct worktree *get_main_worktree(void)
        struct worktree *worktree = NULL;
        struct strbuf path = STRBUF_INIT;
        struct strbuf worktree_path = STRBUF_INIT;
-       int is_bare = 0;
 
        strbuf_add_absolute_path(&worktree_path, get_git_common_dir());
-       is_bare = !strbuf_strip_suffix(&worktree_path, "/.git");
-       if (is_bare)
+       if (!strbuf_strip_suffix(&worktree_path, "/.git"))
                strbuf_strip_suffix(&worktree_path, "/.");
 
        strbuf_addf(&path, "%s/HEAD", get_git_common_dir());
 
        worktree = xcalloc(1, sizeof(*worktree));
        worktree->path = strbuf_detach(&worktree_path, NULL);
-       worktree->is_bare = is_bare;
+       /*
+        * NEEDSWORK: If this function is called from a secondary worktree and
+        * config.worktree is present, is_bare_repository_cfg will reflect the
+        * contents of config.worktree, not the contents of the main worktree.
+        * This means that worktree->is_bare may be set to 0 even if the main
+        * worktree is configured to be bare.
+        */
+       worktree->is_bare = (is_bare_repository_cfg == 1) ||
+               is_bare_repository();
        add_head_info(worktree);
 
        strbuf_release(&path);
@@ -447,7 +453,7 @@ int submodule_uses_worktrees(const char *path)
        DIR *dir;
        struct dirent *d;
        int ret = 0;
-       struct repository_format format;
+       struct repository_format format = REPOSITORY_FORMAT_INIT;
 
        submodule_gitdir = git_pathdup_submodule(path, "%s", "");
        if (!submodule_gitdir)
@@ -465,8 +471,10 @@ int submodule_uses_worktrees(const char *path)
        read_repository_format(&format, sb.buf);
        if (format.version != 0) {
                strbuf_release(&sb);
+               clear_repository_format(&format);
                return 1;
        }
+       clear_repository_format(&format);
 
        /* Replace config by worktrees. */
        strbuf_setlen(&sb, sb.len - strlen("config"));