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authorElijah Newren <newren@gmail.com>2023-01-25 04:03:49 +0000
committerJunio C Hamano <gitster@pobox.com>2023-01-25 09:20:53 -0800
commitffeaca177ac789942b1db95c334d0eff9c8f12a5 (patch)
tree80ea70ebea76f87b11fbb34c23806ad2b57bda9f /builtin
parentb8ad365640192706e6742f47302e69e7aea62faf (diff)
downloadgit-ffeaca177ac789942b1db95c334d0eff9c8f12a5.tar.gz
rebase: fix incompatiblity checks for --[no-]reapply-cherry-picks
--[no-]reapply-cherry-picks was traditionally only supported by the sequencer. Support was added for the apply backend, when --keep-base is also specified, in commit ce5238a690 ("rebase --keep-base: imply --reapply-cherry-picks", 2022-10-17). Make the code error out when --[no-]reapply-cherry-picks is specified AND the apply backend is used AND --keep-base is not specified. Also, clarify a number of comments surrounding the interaction of these flags. Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin')
-rw-r--r--builtin/rebase.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/builtin/rebase.c b/builtin/rebase.c
index b742cc8fb5..05b130bfae 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1224,13 +1224,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
if (options.fork_point < 0)
options.fork_point = 0;
}
- /*
- * --keep-base defaults to --reapply-cherry-picks to avoid losing
- * commits when using this option.
- */
- if (options.reapply_cherry_picks < 0)
- options.reapply_cherry_picks = keep_base;
-
if (options.root && options.fork_point > 0)
die(_("options '%s' and '%s' cannot be used together"), "--root", "--fork-point");
@@ -1406,12 +1399,27 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
if (options.empty != EMPTY_UNSPECIFIED)
imply_merge(&options, "--empty");
- /*
- * --keep-base implements --reapply-cherry-picks by altering upstream so
- * it works with both backends.
- */
- if (options.reapply_cherry_picks && !keep_base)
- imply_merge(&options, "--reapply-cherry-picks");
+ if (options.reapply_cherry_picks < 0)
+ /*
+ * We default to --no-reapply-cherry-picks unless
+ * --keep-base is given; when --keep-base is given, we want
+ * to default to --reapply-cherry-picks.
+ */
+ options.reapply_cherry_picks = keep_base;
+ else if (!keep_base)
+ /*
+ * The apply backend always searches for and drops cherry
+ * picks. This is often not wanted with --keep-base, so
+ * --keep-base allows --reapply-cherry-picks to be
+ * simulated by altering the upstream such that
+ * cherry-picks cannot be detected and thus all commits are
+ * reapplied. Thus, --[no-]reapply-cherry-picks is
+ * supported when --keep-base is specified, but not when
+ * --keep-base is left out.
+ */
+ imply_merge(&options, options.reapply_cherry_picks ?
+ "--reapply-cherry-picks" :
+ "--no-reapply-cherry-picks");
if (gpg_sign)
options.gpg_sign_opt = xstrfmt("-S%s", gpg_sign);