help: check early if we have a command, if not try a documentation topic

diff --git a/environment.c b/environment.c
index fcd1ee5ef8c0999fce0095a2d6a792e5d221c50a..084ac8a4361d5486456813149a1e673c07a7a0b2 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -11,9 +11,11 @@
 
 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;
+int ignore_case;
 int assume_unchanged;
 int prefer_symlink_refs;
 int is_bare_repository_cfg = -1; /* unspecified */
@@ -27,6 +29,7 @@ const char *apply_default_whitespace;
 int zlib_compression_level = Z_BEST_SPEED;
 int core_compression_level;
 int core_compression_seen;
+int fsync_object_files;
 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;
@@ -38,10 +41,11 @@ 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;
@@ -83,10 +87,26 @@ 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) {
@@ -96,7 +116,7 @@ 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;
        }
@@ -110,13 +130,6 @@ char *get_object_directory(void)
        return git_object_dir;
 }
 
-char *get_refs_directory(void)
-{
-       if (!git_refs_dir)
-               setup_git_env();
-       return git_refs_dir;
-}
-
 char *get_index_file(void)
 {
        if (!git_index_file)