builtin-tag.c: remove cruft

diff --git a/environment.c b/environment.c
index a1502c4e87c0067c8cc276006317005a0da21a49..3527f1663f3f948085ab56a81609ed9764b4e6e9 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -11,20 +11,36 @@
 
 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;
-char *git_log_output_encoding;
+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 pager_in_use;
+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;
+const char *pager_program;
 int pager_use_color = 1;
+const char *editor_program;
+const char *excludes_file;
+int auto_crlf = 0;     /* 1: both ways, -1: only when adding git objects */
+enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
+unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
+
+/* This is set by setup_git_dir_gently() and/or git_default_config() */
+char *git_work_tree_cfg;
+static const char *work_tree;
 
 static const char *git_dir;
 static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
@@ -49,16 +65,12 @@ 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;
-       if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
-               return 0;
-       s = strrchr(dir, '/');
-       return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
+       /* if core.bare is not 'false', let's see if there is a work tree */
+       return is_bare_repository_cfg && !get_git_work_tree();
 }
 
 const char *get_git_dir(void)
@@ -68,6 +80,26 @@ const char *get_git_dir(void)
        return git_dir;
 }
 
+const char *get_git_work_tree(void)
+{
+       static int initialized = 0;
+       if (!initialized) {
+               work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
+               /* core.bare = true overrides implicit and config work tree */
+               if (!work_tree && is_bare_repository_cfg < 1) {
+                       work_tree = git_work_tree_cfg;
+                       /* make_absolute_path also normalizes the path */
+                       if (work_tree && !is_absolute_path(work_tree))
+                               work_tree = xstrdup(make_absolute_path(git_path(work_tree)));
+               } else if (work_tree)
+                       work_tree = xstrdup(make_absolute_path(work_tree));
+               initialized = 1;
+               if (work_tree)
+                       is_bare_repository_cfg = 0;
+       }
+       return work_tree;
+}
+
 char *get_object_directory(void)
 {
        if (!git_object_dir)
@@ -96,4 +128,10 @@ char *get_graft_file(void)
        return git_graft_file;
 }
 
-
+int set_git_dir(const char *path)
+{
+       if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
+               return error("Could not set GIT_DIR to '%s'", path);
+       setup_git_env();
+       return 0;
+}