submodule: port init from shell to C

diff --git a/environment.c b/environment.c
index 01cb28dda922a3ce36836d19d30467381c561f51..6dec9d0403f11579a7ab316db87a1dbbc58e71b2 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -26,6 +26,7 @@ int warn_ambiguous_refs = 1;
 int warn_on_object_refname_ambiguity = 1;
 int ref_paranoia = -1;
 int repository_format_version;
+int repository_format_precious_objects;
 const char *git_commit_encoding;
 const char *git_log_output_encoding;
 int shared_repository = PERM_UMASK;
@@ -86,6 +87,13 @@ int auto_comment_line_char;
 /* Parallel index stat data preload? */
 int core_preload_index = 1;
 
+/*
+ * This is a hack for test programs like test-dump-untracked-cache to
+ * ensure that they do not modify the untracked cache when reading it.
+ * Do not use it otherwise!
+ */
+int ignore_untracked_cache_config;
+
 /* This is set by setup_git_dir_gently() and/or git_default_config() */
 char *git_work_tree_cfg;
 static char *work_tree;
@@ -143,11 +151,8 @@ static char *git_path_from_env(const char *envvar, const char *git_dir,
                               const char *path, int *fromenv)
 {
        const char *value = getenv(envvar);
-       if (!value) {
-               char *buf = xmalloc(strlen(git_dir) + strlen(path) + 2);
-               sprintf(buf, "%s/%s", git_dir, path);
-               return buf;
-       }
+       if (!value)
+               return xstrfmt("%s/%s", git_dir, path);
        if (fromenv)
                *fromenv = 1;
        return xstrdup(value);