add-patch: allow all-or-none application of patches

When the flag `--no-auto-advance` is used with `--patch`, if the user has decided `USE` on a hunk in a file, goes to another file, and then returns to this file and changes the previous decision on the hunk to `SKIP`, because the patch has already been applied, the last decision is not registered and the now SKIPPED hunk is still applied. Move the logic for applying patches into a function so that we can reuse this logic to implement the all or non application of the patches after the user is done with the hunk selection. Signed-off-by: Abraham Samuel Adekunle <abrahamadekunle50@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Abraham Samuel Adekunle committed Feb 14, 2026 at 12:06 UTC d3cce5e76fcbce00d33013424bece954f11fa2f3
1 file changed +35 -27
add-patch.c
+35 -27
@@ -1420,6 +1420,40 @@ N_("j - go to the next undecided hunk, roll over at the bottom\n"
1420 "P - print the current hunk using the pager\n"
1421 "? - print help\n");
1422
1423 +static void apply_patch(struct add_p_state *s, struct file_diff *file_diff)
1424 +{
1425 + struct child_process cp = CHILD_PROCESS_INIT;
1426 + size_t j;
1427 +
1428 + /* Any hunk to be used? */
1429 + for (j = 0; j < file_diff->hunk_nr; j++)
1430 + if (file_diff->hunk[j].use == USE_HUNK)
1431 + break;
1432 +
1433 + if (j < file_diff->hunk_nr ||
1434 + (!file_diff->hunk_nr && file_diff->head.use == USE_HUNK)) {
1435 + /* At least one hunk selected: apply */
1436 + strbuf_reset(&s->buf);
1437 + reassemble_patch(s, file_diff, 0, &s->buf);
1438 +
1439 + discard_index(s->s.r->index);
1440 + if (s->mode->apply_for_checkout)
1441 + apply_for_checkout(s, &s->buf,
1442 + s->mode->is_reverse);
1443 + else {
1444 + setup_child_process(s, &cp, "apply", NULL);
1445 + strvec_pushv(&cp.args, s->mode->apply_args);
1446 + if (pipe_command(&cp, s->buf.buf, s->buf.len,
1447 + NULL, 0, NULL, 0))
1448 + error(_("'git apply' failed"));
1449 + }
1450 + if (repo_read_index(s->s.r) >= 0)
1451 + repo_refresh_and_write_index(s->s.r, REFRESH_QUIET, 0,
1452 + 1, NULL, NULL, NULL);
1453 + }
1454 +
1455 +}
1456 +
1457 static size_t dec_mod(size_t a, size_t m)
1458 {
1459 return a > 0 ? a - 1 : m - 1;
@@ -1447,7 +1481,6 @@ static size_t patch_update_file(struct add_p_state *s, size_t idx)
1481 ssize_t i, undecided_previous, undecided_next, rendered_hunk_index = -1;
1482 struct hunk *hunk;
1483 char ch;
1450 - struct child_process cp = CHILD_PROCESS_INIT;
1484 int colored = !!s->colored.len, use_pager = 0;
1485 enum prompt_mode_type prompt_mode_type;
1486 struct file_diff *file_diff = s->file_diff + idx;
@@ -1777,32 +1810,7 @@ soft_increment:
1810 }
1811 }
1812
1780 - /* Any hunk to be used? */
1781 - for (i = 0; i < file_diff->hunk_nr; i++)
1782 - if (file_diff->hunk[i].use == USE_HUNK)
1783 - break;
1784 -
1785 - if (i < file_diff->hunk_nr ||
1786 - (!file_diff->hunk_nr && file_diff->head.use == USE_HUNK)) {
1787 - /* At least one hunk selected: apply */
1788 - strbuf_reset(&s->buf);
1789 - reassemble_patch(s, file_diff, 0, &s->buf);
1790 -
1791 - discard_index(s->s.r->index);
1792 - if (s->mode->apply_for_checkout)
1793 - apply_for_checkout(s, &s->buf,
1794 - s->mode->is_reverse);
1795 - else {
1796 - setup_child_process(s, &cp, "apply", NULL);
1797 - strvec_pushv(&cp.args, s->mode->apply_args);
1798 - if (pipe_command(&cp, s->buf.buf, s->buf.len,
1799 - NULL, 0, NULL, 0))
1800 - error(_("'git apply' failed"));
1801 - }
1802 - if (repo_read_index(s->s.r) >= 0)
1803 - repo_refresh_and_write_index(s->s.r, REFRESH_QUIET, 0,
1804 - 1, NULL, NULL, NULL);
1805 - }
1813 + apply_patch(s, file_diff);
1814
1815 putchar('\n');
1816 return patch_update_resp;