extension.partialclone: introduce partial clone extension

diff --git a/setup.c b/setup.c
index 860507e1fdb2d61da71b27eb00d8413f2fabcfa9..58536bd6eeb496d455953634b6b1943f69ed80ef 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -230,7 +230,7 @@ void verify_filename(const char *prefix,
                     int diagnose_misspelt_rev)
 {
        if (*arg == '-')
-               die("bad flag '%s' used after filename", arg);
+               die("option '%s' must come before non-option arguments", arg);
        if (looks_like_pathspec(arg) || check_filename(prefix, arg))
                return;
        die_verify_filename(prefix, arg, diagnose_misspelt_rev);
@@ -399,11 +399,6 @@ void setup_work_tree(void)
        if (getenv(GIT_WORK_TREE_ENVIRONMENT))
                setenv(GIT_WORK_TREE_ENVIRONMENT, ".", 1);
 
-       /*
-        * NEEDSWORK: this call can essentially be set_git_dir(get_git_dir())
-        * which can cause some problems when trying to free the old value of
-        * gitdir.
-        */
        set_git_dir(remove_leading_path(git_dir, work_tree));
        initialized = 1;
 }
@@ -425,7 +420,11 @@ static int check_repo_format(const char *var, const char *value, void *vdata)
                        ;
                else if (!strcmp(ext, "preciousobjects"))
                        data->precious_objects = git_config_bool(var, value);
-               else
+               else if (!strcmp(ext, "partialclone")) {
+                       if (!value)
+                               return config_error_nonbool(var);
+                       data->partial_clone = xstrdup(value);
+               } else
                        string_list_append(&data->unknown_extensions, ext);
        } else if (strcmp(var, "core.bare") == 0) {
                data->is_bare = git_config_bool(var, value);
@@ -468,6 +467,7 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
        }
 
        repository_format_precious_objects = candidate.precious_objects;
+       repository_format_partial_clone = candidate.partial_clone;
        string_list_clear(&candidate.unknown_extensions, 0);
        if (!has_common) {
                if (candidate.is_bare != -1) {
@@ -546,7 +546,8 @@ void read_gitfile_error_die(int error_code, const char *path, const char *dir)
 
 /*
  * Try to read the location of the git directory from the .git file,
- * return path to git directory if found.
+ * return path to git directory if found. The return value comes from
+ * a shared buffer.
  *
  * On failure, if return_error_code is not NULL, return_error_code
  * will be set to an error code and NULL will be returned. If
@@ -1027,7 +1028,7 @@ const char *setup_git_directory_gently(int *nongit_ok)
 {
        static struct strbuf cwd = STRBUF_INIT;
        struct strbuf dir = STRBUF_INIT, gitdir = STRBUF_INIT;
-       const char *prefix, *env_prefix;
+       const char *prefix;
 
        /*
         * We may have read an incomplete configuration before
@@ -1085,16 +1086,6 @@ const char *setup_git_directory_gently(int *nongit_ok)
                die("BUG: unhandled setup_git_directory_1() result");
        }
 
-       /*
-        * NEEDSWORK: This was a hack in order to get ls-files and grep to have
-        * properly formated output when recursing submodules.  Once ls-files
-        * and grep have been changed to perform this recursing in-process this
-        * needs to be removed.
-        */
-       env_prefix = getenv(GIT_TOPLEVEL_PREFIX_ENVIRONMENT);
-       if (env_prefix)
-               prefix = env_prefix;
-
        if (prefix)
                setenv(GIT_PREFIX_ENVIRONMENT, prefix, 1);
        else