move read_mmfile() into xdiff-interface

diff --git a/builtin-init-db.c b/builtin-init-db.c
index 5085018e46d8ebefaf797d62dcc7c9f8f1d06d02..01f366ad0bf5860aaf9123ef5d5653c612871a9f 100644 (file)
--- a/builtin-init-db.c
+++ b/builtin-init-db.c
@@ -124,8 +124,11 @@ static void copy_templates(const char *git_dir, int len, const char *template_di
        int template_len;
        DIR *dir;
 
-       if (!template_dir)
-               template_dir = DEFAULT_GIT_TEMPLATE_DIR;
+       if (!template_dir) {
+               template_dir = getenv(TEMPLATE_DIR_ENVIRONMENT);
+               if (!template_dir)
+                       template_dir = DEFAULT_GIT_TEMPLATE_DIR;
+       }
        strcpy(template_path, template_dir);
        template_len = strlen(template_path);
        if (template_path[template_len-1] != '/') {
@@ -164,13 +167,14 @@ static void copy_templates(const char *git_dir, int len, const char *template_di
        closedir(dir);
 }
 
-static void create_default_files(const char *git_dir, const char *template_path)
+static int create_default_files(const char *git_dir, const char *template_path)
 {
        unsigned len = strlen(git_dir);
        static char path[PATH_MAX];
        unsigned char sha1[20];
        struct stat st1;
        char repo_version_string[10];
+       int reinit;
 
        if (len > sizeof(path)-50)
                die("insane git directory %s", git_dir);
@@ -218,8 +222,9 @@ static void create_default_files(const char *git_dir, const char *template_path)
         * branch, if it does not exist yet.
         */
        strcpy(path + len, "HEAD");
-       if (read_ref(path, sha1) < 0) {
-               if (create_symref(path, "refs/heads/master") < 0)
+       reinit = !read_ref("HEAD", sha1);
+       if (!reinit) {
+               if (create_symref("HEAD", "refs/heads/master") < 0)
                        exit(1);
        }
 
@@ -239,6 +244,11 @@ static void create_default_files(const char *git_dir, const char *template_path)
                git_config_set("core.filemode",
                               filemode ? "true" : "false");
        }
+
+       /* Enable logAllRefUpdates if a working tree is attached */
+       if (!is_bare_git_dir(git_dir))
+               git_config_set("core.logallrefupdates", "true");
+       return reinit;
 }
 
 static const char init_db_usage[] =
@@ -256,7 +266,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
        const char *sha1_dir;
        const char *template_dir = NULL;
        char *path;
-       int len, i;
+       int len, i, reinit;
 
        for (i = 1; i < argc; i++, argv++) {
                const char *arg = argv[1];
@@ -274,10 +284,8 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
         * Set up the default .git directory contents
         */
        git_dir = getenv(GIT_DIR_ENVIRONMENT);
-       if (!git_dir) {
+       if (!git_dir)
                git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
-               fprintf(stderr, "defaulting to local storage area\n");
-       }
        safe_create_dir(git_dir, 0);
 
        /* Check to see if the repository version is right.
@@ -287,7 +295,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
         */
        check_repository_format();
 
-       create_default_files(git_dir, template_dir);
+       reinit = create_default_files(git_dir, template_dir);
 
        /*
         * And set up the object store.
@@ -311,7 +319,13 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
                 */
                sprintf(buf, "%d", shared_repository);
                git_config_set("core.sharedrepository", buf);
+               git_config_set("receive.denyNonFastforwards", "true");
        }
 
+       printf("%s%s Git repository in %s/\n",
+               reinit ? "Reinitialized existing" : "Initialized empty",
+               shared_repository ? " shared" : "",
+               git_dir);
+
        return 0;
 }