expose a helper function peel_to_type().

diff --git a/setup.c b/setup.c
index b59dbe7f51e8ffcbf2721d2ec7201400830e6830..4509598d577baba8b1d7e8782d8e6ff8e74f9556 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -140,7 +140,7 @@ const char **get_pathspec(const char *prefix, const char **pathspec)
  * Test if it looks like we're at a git directory.
  * We want to see:
  *
- *  - either a objects/ directory _or_ the proper
+ *  - either an objects/ directory _or_ the proper
  *    GIT_OBJECT_DIRECTORY environment variable
  *  - a refs/ directory
  *  - either a HEAD symlink or a HEAD file that is formatted as
@@ -372,6 +372,8 @@ int check_repository_format_version(const char *var, const char *value)
                if (is_bare_repository_cfg == 1)
                        inside_work_tree = -1;
        } else if (strcmp(var, "core.worktree") == 0) {
+               if (!value)
+                       return config_error_nonbool(var);
                if (git_work_tree_cfg)
                        free(git_work_tree_cfg);
                git_work_tree_cfg = xstrdup(value);