merge, sequencer: switch recursive merges over to ort

More precisely, replace calls to merge_recursive() with merge_ort_recursive(). Also change t7615 to quit calling out recursive; it is not needed anymore, and we are in fact using ort now. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Elijah Newren committed Apr 8, 2025 at 15:48 UTC 75cd9ae05fbc9d3e9ccbd8923f4fad76b3ec609f
3 files changed +10 -24
builtin/merge.c
+2 -7
@@ -39,7 +39,6 @@
39 #include "rerere.h"
40 #include "help.h"
41 #include "merge.h"
42 -#include "merge-recursive.h"
42 #include "merge-ort-wrappers.h"
43 #include "resolve-undo.h"
44 #include "remote.h"
@@ -750,12 +749,8 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
749
750 repo_hold_locked_index(the_repository, &lock,
751 LOCK_DIE_ON_ERROR);
753 - if (!strcmp(strategy, "ort"))
754 - clean = merge_ort_recursive(&o, head, remoteheads->item,
755 - reversed, &result);
756 - else
757 - clean = merge_recursive(&o, head, remoteheads->item,
758 - reversed, &result);
752 + clean = merge_ort_recursive(&o, head, remoteheads->item,
753 + reversed, &result);
754 free_commit_list(reversed);
755 strbuf_release(&o.obuf);
756
sequencer.c
+8 -15
@@ -4319,20 +4319,13 @@ static int do_merge(struct repository *r,
4319 o.branch2 = ref_name.buf;
4320 o.buffer_output = 2;
4321
4322 - if (!opts->strategy || !strcmp(opts->strategy, "ort")) {
4323 - /*
4324 - * TODO: Should use merge_incore_recursive() and
4325 - * merge_switch_to_result(), skipping the call to
4326 - * merge_switch_to_result() when we don't actually need to
4327 - * update the index and working copy immediately.
4328 - */
4329 - ret = merge_ort_recursive(&o,
4330 - head_commit, merge_commit, bases,
4331 - &i);
4332 - } else {
4333 - ret = merge_recursive(&o, head_commit, merge_commit, bases,
4334 - &i);
4335 - }
4322 + /*
4323 + * TODO: Should use merge_incore_recursive() and
4324 + * merge_switch_to_result(), skipping the call to
4325 + * merge_switch_to_result() when we don't actually need to
4326 + * update the index and working copy immediately.
4327 + */
4328 + ret = merge_ort_recursive(&o, head_commit, merge_commit, bases, &i);
4329 if (ret <= 0)
4330 fputs(o.obuf.buf, stdout);
4331 strbuf_release(&o.obuf);
@@ -4343,7 +4336,7 @@ static int do_merge(struct repository *r,
4336 goto leave_merge;
4337 }
4338 /*
4346 - * The return value of merge_recursive() is 1 on clean, and 0 on
4339 + * The return value of merge_ort_recursive() is 1 on clean, and 0 on
4340 * unclean merge.
4341 *
4342 * Let's reverse that, so that do_merge() returns 0 upon success and
t/t7615-diff-algo-with-mergy-operations.sh
-2
@@ -22,8 +22,6 @@ test_expect_success 'setup' '
22 git tag c2
23 '
24
25 -GIT_TEST_MERGE_ALGORITHM=recursive
26 -
25 test_expect_success 'merge c2 to c1 with recursive merge strategy fails with the current default myers diff algorithm' '
26 git reset --hard c1 &&
27 test_must_fail git merge -s recursive -Xdiff-algorithm=myers c2