Custom low-level merge driver support.

diff --git a/environment.c b/environment.c
index 6df647862c60c5b76540f3038ce37f8a5dcc37c9..22316597df60648c850001e068938eaf39d57f6d 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -11,17 +11,30 @@
 
 char git_default_email[MAX_GITNAME];
 char git_default_name[MAX_GITNAME];
+int use_legacy_headers = 1;
 int trust_executable_bit = 1;
-int assume_unchanged = 0;
-int only_use_symrefs = 0;
+int has_symlinks = 1;
+int assume_unchanged;
+int prefer_symlink_refs;
+int is_bare_repository_cfg = -1; /* unspecified */
+int log_all_ref_updates = -1; /* unspecified */
 int warn_ambiguous_refs = 1;
-int repository_format_version = 0;
-char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
-int shared_repository = 0;
-const char *apply_default_whitespace = NULL;
+int repository_format_version;
+const char *git_commit_encoding;
+const char *git_log_output_encoding;
+int shared_repository = PERM_UMASK;
+const char *apply_default_whitespace;
+int zlib_compression_level = Z_DEFAULT_COMPRESSION;
+size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
+size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
+size_t delta_base_cache_limit = 16 * 1024 * 1024;
+int pager_in_use;
+int pager_use_color = 1;
+int auto_crlf = 0;     /* 1: both ways, -1: only when adding git objects */
+
+static const char *git_dir;
+static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
 
-static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
-       *git_graft_file;
 static void setup_git_env(void)
 {
        git_dir = getenv(GIT_DIR_ENVIRONMENT);
@@ -41,10 +54,23 @@ static void setup_git_env(void)
        }
        git_graft_file = getenv(GRAFT_ENVIRONMENT);
        if (!git_graft_file)
-               git_graft_file = strdup(git_path("info/grafts"));
+               git_graft_file = xstrdup(git_path("info/grafts"));
+}
+
+int is_bare_repository(void)
+{
+       const char *dir, *s;
+       if (0 <= is_bare_repository_cfg)
+               return is_bare_repository_cfg;
+
+       dir = get_git_dir();
+       if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
+               return 0;
+       s = strrchr(dir, '/');
+       return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
 }
 
-char *get_git_dir(void)
+const char *get_git_dir(void)
 {
        if (!git_dir)
                setup_git_env();