[PATCH v3 5/7] rebase: add coverage of other incompatible options

From

Elijah Newren via GitGitGadget <gitgitgadget@gmail.com>

Date

Jan 21, 2023, 01:55 UTC

Message-ID

<48c40c0dda00eeb8b9bdc5ba9372b46964eea14a.1674266126.git.gitgitgadget@gmail.com>

In-Reply-To

<pull.1466.v3.git.1674266126.gitgitgadget@gmail.com>

From: Elijah Newren <newren@gmail.com>

Signed-off-by: Elijah Newren <newren@gmail.com>
---
 builtin/rebase.c                       | 21 ++++++++++++++-------
 t/t3422-rebase-incompatible-options.sh | 20 ++++++++++++++++++++
 2 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/builtin/rebase.c b/builtin/rebase.c
index 2a5e0e8a7a0..6dcdb59bb02 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1238,6 +1238,17 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 		if (options.fork_point < 0)
 			options.fork_point = 0;
 	}
+	/*
+	 * reapply_cherry_picks is slightly weird.  It starts out with a
+	 * value of -1.  It will be assigned a value of keep_base below and
+	 * then handled specially.  The apply backend is hardcoded to
+	 * behave like reapply_cherry_picks==1, so if it has that value, we
+	 * can just ignore the flag with the apply backend.  Thus, we only
+	 * really need to throw an error and require the merge backend if
+	 * reapply_cherry_picks==0.
+	 */
+	if (options.reapply_cherry_picks == 0)
+		imply_merge(&options, "--no-reapply-cherry-picks");
 	/*
 	 * --keep-base defaults to --reapply-cherry-picks to avoid losing
 	 * commits when using this option.
@@ -1420,13 +1431,6 @@ 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 (gpg_sign)
 		options.gpg_sign_opt = xstrfmt("-S%s", gpg_sign);
 
@@ -1525,6 +1529,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 	if (options.update_refs)
 		imply_merge(&options, "--update-refs");
 
+	if (options.autosquash)
+		imply_merge(&options, "--autosquash");
+
 	if (options.type == REBASE_UNSPECIFIED) {
 		if (!strcmp(options.default_backend, "merge"))
 			imply_merge(&options, "--merge");
diff --git a/t/t3422-rebase-incompatible-options.sh b/t/t3422-rebase-incompatible-options.sh
index f86274990b0..c830025470f 100755
--- a/t/t3422-rebase-incompatible-options.sh
+++ b/t/t3422-rebase-incompatible-options.sh
@@ -50,6 +50,11 @@ test_rebase_am_only () {
 		test_must_fail git rebase $opt --strategy-option=ours A
 	"
 
+	test_expect_success "$opt incompatible with --autosquash" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --autosquash A
+	"
+
 	test_expect_success "$opt incompatible with --interactive" "
 		git checkout B^0 &&
 		test_must_fail git rebase $opt --interactive A
@@ -60,6 +65,21 @@ test_rebase_am_only () {
 		test_must_fail git rebase $opt --exec 'true' A
 	"
 
+	test_expect_success "$opt incompatible with --keep-empty" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --keep-empty A
+	"
+
+	test_expect_success "$opt incompatible with --empty=..." "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --empty=ask A
+	"
+
+	test_expect_success "$opt incompatible with --no-reapply-cherry-picks" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --no-reapply-cherry-picks A
+	"
+
 	test_expect_success "$opt incompatible with --update-refs" "
 		git checkout B^0 &&
 		test_must_fail git rebase $opt --update-refs A

-- 
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