grep: search history of moved submodules

[thirdparty/git.git] / environment.c

diff --git a/environment.c b/environment.c
index ca72464a985021e58b898bb0b1f9af6c4a5282ac..9b943d2d5bbc109cabd24f0f2efea7a5e79875a5 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -16,7 +16,7 @@ int trust_executable_bit = 1;
 int trust_ctime = 1;
 int check_stat = 1;
 int has_symlinks = 1;
-int minimum_abbrev = 4, default_abbrev = 7;
+int minimum_abbrev = 4, default_abbrev = -1;
 int ignore_case;
 int assume_unchanged;
 int prefer_symlink_refs;
@@ -40,7 +40,6 @@ 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 = 96 * 1024 * 1024;
 unsigned long big_file_threshold = 512 * 1024 * 1024;
-const char *pager_program;
 int pager_use_color = 1;
 const char *editor_program;
 const char *askpass_program;
@@ -100,6 +99,8 @@ static char *work_tree;
 static const char *namespace;
 static size_t namespace_len;
 
+static const char *super_prefix;
+
 static const char *git_dir, *git_common_dir;
 static char *git_object_dir, *git_index_file, *git_graft_file;
 int git_db_env, git_index_env, git_graft_env, git_common_dir_env;
@@ -120,6 +121,7 @@ const char * const local_repo_env[] = {
        NO_REPLACE_OBJECTS_ENVIRONMENT,
        GIT_REPLACE_REF_BASE_ENVIRONMENT,
        GIT_PREFIX_ENVIRONMENT,
+       GIT_SUPER_PREFIX_ENVIRONMENT,
        GIT_SHALLOW_FILE_ENVIRONMENT,
        GIT_COMMON_DIR_ENVIRONMENT,
        NULL
@@ -196,6 +198,13 @@ int is_bare_repository(void)
        return is_bare_repository_cfg && !get_git_work_tree();
 }
 
+int have_git_dir(void)
+{
+       return startup_info->have_repository
+               || git_dir
+               || getenv(GIT_DIR_ENVIRONMENT);
+}
+
 const char *get_git_dir(void)
 {
        if (!git_dir)
@@ -222,6 +231,16 @@ const char *strip_namespace(const char *namespaced_ref)
        return namespaced_ref + namespace_len;
 }
 
+const char *get_super_prefix(void)
+{
+       static int initialized;
+       if (!initialized) {
+               super_prefix = getenv(GIT_SUPER_PREFIX_ENVIRONMENT);
+               initialized = 1;
+       }
+       return super_prefix;
+}
+
 static int git_work_tree_initialized;
 
 /*
@@ -240,7 +259,7 @@ void set_git_work_tree(const char *new_work_tree)
                return;
        }
        git_work_tree_initialized = 1;
-       work_tree = xstrdup(real_path(new_work_tree));
+       work_tree = real_pathdup(new_work_tree);
 }
 
 const char *get_git_work_tree(void)
@@ -345,3 +364,8 @@ int get_shared_repository(void)
        }
        return the_shared_repository;
 }
+
+void reset_shared_repository(void)
+{
+       need_shared_repository_from_config = 1;
+}