Document --unified/-U option

diff --git a/environment.c b/environment.c
index f8c7dbceadf2190997816f9a21b211a6a97efe48..f83fb9e44806c03cde06eede7888a4dcb901c5c3 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -11,19 +11,29 @@
 
 char git_default_email[MAX_GITNAME];
 char git_default_name[MAX_GITNAME];
-int use_legacy_headers = 1;
 int trust_executable_bit = 1;
+int quote_path_fully = 1;
+int has_symlinks = 1;
 int assume_unchanged;
 int prefer_symlink_refs;
-int log_all_ref_updates;
+int is_bare_repository_cfg = -1; /* unspecified */
+int log_all_ref_updates = -1; /* unspecified */
 int warn_ambiguous_refs = 1;
 int repository_format_version;
-char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
+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;
+int zlib_compression_level = Z_BEST_SPEED;
+int core_compression_level;
+int core_compression_seen;
+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;
+char *pager_program;
 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;
@@ -48,12 +58,15 @@ static void setup_git_env(void)
        git_graft_file = getenv(GRAFT_ENVIRONMENT);
        if (!git_graft_file)
                git_graft_file = xstrdup(git_path("info/grafts"));
-       log_all_ref_updates = !is_bare_git_dir(git_dir);
 }
 
-int is_bare_git_dir (const char *dir)
+int is_bare_repository(void)
 {
-       const char *s;
+       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, '/');
@@ -94,5 +107,3 @@ char *get_graft_file(void)
                setup_git_env();
        return git_graft_file;
 }
-
-