expose a helper function peel_to_type().

diff --git a/setup.c b/setup.c
index 067f1be3f92c9f3a334c4b427f32b4f4fdb8225b..4509598d577baba8b1d7e8782d8e6ff8e74f9556 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -59,7 +59,7 @@ const char *prefix_path(const char *prefix, int len, const char *path)
 const char *prefix_filename(const char *pfx, int pfx_len, const char *arg)
 {
        static char path[PATH_MAX];
-       if (!pfx || !*pfx || arg[0] == '/')
+       if (!pfx || !*pfx || is_absolute_path(arg))
                return arg;
        memcpy(path, pfx, pfx_len);
        strcpy(path + pfx_len, arg);
@@ -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
@@ -206,6 +206,22 @@ static const char *set_work_tree(const char *dir)
        return NULL;
 }
 
+void setup_work_tree(void)
+{
+       const char *work_tree, *git_dir;
+       static int initialized = 0;
+
+       if (initialized)
+               return;
+       work_tree = get_git_work_tree();
+       git_dir = get_git_dir();
+       if (!is_absolute_path(git_dir))
+               set_git_dir(make_absolute_path(git_dir));
+       if (!work_tree || chdir(work_tree))
+               die("This operation must be run in a work tree");
+       initialized = 1;
+}
+
 static int check_repository_format_gently(int *nongit_ok)
 {
        git_config(check_repository_format_version);
@@ -356,6 +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);
@@ -372,7 +390,6 @@ int check_repository_format(void)
 const char *setup_git_directory(void)
 {
        const char *retval = setup_git_directory_gently(NULL);
-       check_repository_format();
 
        /* If the work tree is not the default one, recompute prefix */
        if (inside_work_tree < 0) {