unpack-trees: move checkout state into check_updates

diff --git a/diff.c b/diff.c
index 4c47bb3a2d23d2f747b416669895744c331f3dd5..ec8728362dae5a3bf404f6782f9091d6a1c9a6c2 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -2023,7 +2023,7 @@ static void show_dirstat(struct diff_options *options)
                if (DIFF_FILE_VALID(p->one) && DIFF_FILE_VALID(p->two)) {
                        diff_populate_filespec(p->one, 0);
                        diff_populate_filespec(p->two, 0);
-                       diffcore_count_changes(p->one, p->two, NULL, NULL, 0,
+                       diffcore_count_changes(p->one, p->two, NULL, NULL,
                                               &copied, &added);
                        diff_free_filespec_data(p->one);
                        diff_free_filespec_data(p->two);
@@ -3102,7 +3102,9 @@ static const char *diff_abbrev_oid(const struct object_id *oid, int abbrev)
                return find_unique_abbrev(oid->hash, abbrev);
        else {
                char *hex = oid_to_hex(oid);
-               if (abbrev < 0 || abbrev > GIT_SHA1_HEXSZ)
+               if (abbrev < 0)
+                       abbrev = FALLBACK_DEFAULT_ABBREV;
+               if (abbrev > GIT_SHA1_HEXSZ)
                        die("BUG: oid abbreviation out of range: %d", abbrev);
                hex[abbrev] = '\0';
                return hex;
@@ -3481,7 +3483,7 @@ void diff_setup_done(struct diff_options *options)
                         */
                        read_cache();
        }
-       if (options->abbrev <= 0 || 40 < options->abbrev)
+       if (40 < options->abbrev)
                options->abbrev = 40; /* full */
 
        /*
@@ -3985,6 +3987,10 @@ int diff_opt_parse(struct diff_options *options,
                return parse_submodule_opt(options, arg);
        else if (skip_prefix(arg, "--ws-error-highlight=", &arg))
                return parse_ws_error_highlight_opt(options, arg);
+       else if (!strcmp(arg, "--ita-invisible-in-index"))
+               options->ita_invisible_in_index = 1;
+       else if (!strcmp(arg, "--ita-visible-in-index"))
+               options->ita_invisible_in_index = 0;
 
        /* misc options */
        else if (!strcmp(arg, "-z"))