Move pack_refs() and friends into libgit

diff --git a/environment.c b/environment.c
index 3c816824299cc82d3ed54782357aa1cf49346120..73feb2d03a917d1fbdc8d9397b42fd90e5916bca 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -11,6 +11,7 @@
 
 char git_default_email[MAX_GITNAME];
 char git_default_name[MAX_GITNAME];
+int user_ident_explicitly_given;
 int trust_executable_bit = 1;
 int quote_path_fully = 1;
 int has_symlinks = 1;
@@ -39,10 +40,11 @@ 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;
 enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
+enum rebase_setup_type autorebase = AUTOREBASE_NEVER;
 
 /* This is set by setup_git_dir_gently() and/or git_default_config() */
 char *git_work_tree_cfg;
-static const char *work_tree;
+static char *work_tree;
 
 static const char *git_dir;
 static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
@@ -50,6 +52,8 @@ static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
 static void setup_git_env(void)
 {
        git_dir = getenv(GIT_DIR_ENVIRONMENT);
+       if (!git_dir)
+               git_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT);
        if (!git_dir)
                git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
        git_object_dir = getenv(DB_ENVIRONMENT);
@@ -82,10 +86,26 @@ const char *get_git_dir(void)
        return git_dir;
 }
 
+static int git_work_tree_initialized;
+
+/*
+ * Note.  This works only before you used a work tree.  This was added
+ * primarily to support git-clone to work in a new repository it just
+ * created, and is not meant to flip between different work trees.
+ */
+void set_git_work_tree(const char *new_work_tree)
+{
+       if (is_bare_repository_cfg >= 0)
+               die("cannot set work tree after initialization");
+       git_work_tree_initialized = 1;
+       free(work_tree);
+       work_tree = xstrdup(make_absolute_path(new_work_tree));
+       is_bare_repository_cfg = 0;
+}
+
 const char *get_git_work_tree(void)
 {
-       static int initialized = 0;
-       if (!initialized) {
+       if (!git_work_tree_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) {
@@ -95,7 +115,7 @@ const char *get_git_work_tree(void)
                                work_tree = xstrdup(make_absolute_path(git_path(work_tree)));
                } else if (work_tree)
                        work_tree = xstrdup(make_absolute_path(work_tree));
-               initialized = 1;
+               git_work_tree_initialized = 1;
                if (work_tree)
                        is_bare_repository_cfg = 0;
        }