+ strbuf_reset(&s->buf);
+ if (undecided_previous >= 0) {
+ permitted |= ALLOW_GOTO_PREVIOUS_UNDECIDED_HUNK;
+ strbuf_addstr(&s->buf, ",k");
+ }
+ if (hunk_index) {
+ permitted |= ALLOW_GOTO_PREVIOUS_HUNK;
+ strbuf_addstr(&s->buf, ",K");
+ }
+ if (undecided_next >= 0) {
+ permitted |= ALLOW_GOTO_NEXT_UNDECIDED_HUNK;
+ strbuf_addstr(&s->buf, ",j");
+ }
+ if (hunk_index + 1 < file_diff->hunk_nr) {
+ permitted |= ALLOW_GOTO_NEXT_HUNK;
+ strbuf_addstr(&s->buf, ",J");
+ }
+ if (file_diff->hunk_nr > 1) {
+ permitted |= ALLOW_SEARCH_AND_GOTO;
+ strbuf_addstr(&s->buf, ",g,/");
+ }
+ if (hunk->splittable_into > 1) {
+ permitted |= ALLOW_SPLIT;
+ strbuf_addstr(&s->buf, ",s");
+ }
+ if (hunk_index + 1 > file_diff->mode_change &&
+ !file_diff->deleted) {
+ permitted |= ALLOW_EDIT;
+ strbuf_addstr(&s->buf, ",e");
+ }
+ }