user-manual: use pithier example commit

diff --git a/builtin-add.c b/builtin-add.c
index 5e6748f3566b17c7729576c0c42c61bcf0f7657d..07e3ddfd0a49fd42206cf421924db17620fb690a 100644 (file)
--- a/builtin-add.c
+++ b/builtin-add.c
@@ -16,7 +16,7 @@
 static const char builtin_add_usage[] =
 "git-add [-n] [-v] [-f] [--interactive | -i] [-u] [--] <filepattern>...";
 
-static int take_all_worktree_changes;
+static int take_worktree_changes;
 static const char *excludes_file;
 
 static void prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
@@ -115,6 +115,7 @@ static void update_callback(struct diff_queue_struct *q,
                        break;
                case DIFF_STATUS_DELETED:
                        remove_file_from_cache(path);
+                       cache_tree_invalidate_path(active_cache_tree, path);
                        if (verbose)
                                printf("remove '%s'\n", path);
                        break;
@@ -122,11 +123,12 @@ static void update_callback(struct diff_queue_struct *q,
        }
 }
 
-static void update_all(int verbose)
+static void update(int verbose, const char *prefix, const char **files)
 {
        struct rev_info rev;
-       init_revisions(&rev, "");
+       init_revisions(&rev, prefix);
        setup_revisions(0, NULL, &rev, NULL);
+       rev.prune_data = get_pathspec(prefix, files);
        rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
        rev.diffopt.format_callback = update_callback;
        rev.diffopt.format_callback_data = &verbose;
@@ -200,16 +202,14 @@ int cmd_add(int argc, const char **argv, const char *prefix)
                        continue;
                }
                if (!strcmp(arg, "-u")) {
-                       take_all_worktree_changes = 1;
+                       take_worktree_changes = 1;
                        continue;
                }
                usage(builtin_add_usage);
        }
 
-       if (take_all_worktree_changes) {
-               if (i < argc)
-                       die("-u and explicit paths are incompatible");
-               update_all(verbose);
+       if (take_worktree_changes) {
+               update(verbose, prefix, argv + i);
                goto finish;
        }