directory-rename-detection.txt: technical docs on abilities and limitations

diff --git a/builtin/rm.c b/builtin/rm.c
index 52826d137935ca6698006258ebdb8b207f7161df..65b448ef8ee91079194841762d4b7a2193eec9a9 100644 (file)
--- a/builtin/rm.c
+++ b/builtin/rm.c
@@ -178,7 +178,7 @@ static int check_local_mod(struct object_id *head, int index_only)
                 * way as changed from the HEAD.
                 */
                if (no_head
-                    || get_tree_entry(head->hash, name, oid.hash, &mode)
+                    || get_tree_entry(head, name, &oid, &mode)
                     || ce->ce_mode != create_ce_mode(mode)
                     || oidcmp(&ce->oid, &oid))
                        staged_changes = 1;
@@ -233,8 +233,6 @@ static int check_local_mod(struct object_id *head, int index_only)
        return errs;
 }
 
-static struct lock_file lock_file;
-
 static int show_only = 0, force = 0, index_only = 0, recursive = 0, quiet = 0;
 static int ignore_unmatch = 0;
 
@@ -242,7 +240,7 @@ static struct option builtin_rm_options[] = {
        OPT__DRY_RUN(&show_only, N_("dry run")),
        OPT__QUIET(&quiet, N_("do not list removed files")),
        OPT_BOOL( 0 , "cached",         &index_only, N_("only remove from the index")),
-       OPT__FORCE(&force, N_("override the up-to-date check")),
+       OPT__FORCE(&force, N_("override the up-to-date check"), PARSE_OPT_NOCOMPLETE),
        OPT_BOOL('r', NULL,             &recursive,  N_("allow recursive removal")),
        OPT_BOOL( 0 , "ignore-unmatch", &ignore_unmatch,
                                N_("exit with a zero status even if nothing matched")),
@@ -251,11 +249,11 @@ static struct option builtin_rm_options[] = {
 
 int cmd_rm(int argc, const char **argv, const char *prefix)
 {
+       struct lock_file lock_file = LOCK_INIT;
        int i;
        struct pathspec pathspec;
        char *seen;
 
-       gitmodules_config();
        git_config(git_default_config, NULL);
 
        argc = parse_options(argc, argv, prefix, builtin_rm_options,
@@ -286,7 +284,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
                list.entry[list.nr].name = xstrdup(ce->name);
                list.entry[list.nr].is_submodule = S_ISGITLINK(ce->ce_mode);
                if (list.entry[list.nr++].is_submodule &&
-                   !is_staging_gitmodules_ok())
+                   !is_staging_gitmodules_ok(&the_index))
                        die (_("Please stage your changes to .gitmodules or stash them to proceed"));
        }
 
@@ -383,13 +381,12 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
                }
                strbuf_release(&buf);
                if (gitmodules_modified)
-                       stage_updated_gitmodules();
+                       stage_updated_gitmodules(&the_index);
        }
 
-       if (active_cache_changed) {
-               if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
-                       die(_("Unable to write new index file"));
-       }
+       if (write_locked_index(&the_index, &lock_file,
+                              COMMIT_LOCK | SKIP_IF_UNCHANGED))
+               die(_("Unable to write new index file"));
 
        return 0;
 }