merge(3p/git): Merge git upstream at v2.26.2

third_party/git/t/t3400-rebase.sh

@@ -64,7 +64,7 @@ test_expect_success 'rebase sets ORIG_HEAD to pre-rebase state' '
 	pre="$(git rev-parse --verify HEAD)" &&
 	git rebase master &&
 	test_cmp_rev "$pre" ORIG_HEAD &&
-	! test_cmp_rev "$pre" HEAD
+	test_cmp_rev ! "$pre" HEAD
 '
 
 test_expect_success 'rebase, with <onto> and <upstream> specified as :/quuxery' '
@@ -143,11 +143,11 @@ test_expect_success 'setup: recover' '
 
 test_expect_success 'Show verbose error when HEAD could not be detached' '
 	>B &&
+	test_when_finished "rm -f B" &&
 	test_must_fail git rebase topic 2>output.err >output.out &&
 	test_i18ngrep "The following untracked working tree files would be overwritten by checkout:" output.err &&
 	test_i18ngrep B output.err
 '
-rm -f B
 
 test_expect_success 'fail when upstream arg is missing and not on branch' '
 	git checkout topic &&
@@ -159,19 +159,43 @@ test_expect_success 'fail when upstream arg is missing and not configured' '
 	test_must_fail git rebase
 '
 
-test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg' '
+test_expect_success 'rebase works with format.useAutoBase' '
+	test_config format.useAutoBase true &&
+	git checkout topic &&
+	git rebase master
+'
+
+test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg (--merge)' '
 	git checkout -b default-base master &&
 	git checkout -b default topic &&
 	git config branch.default.remote . &&
 	git config branch.default.merge refs/heads/default-base &&
-	git rebase &&
+	git rebase --merge &&
 	git rev-parse --verify default-base >expect &&
 	git rev-parse default~1 >actual &&
 	test_cmp expect actual &&
 	git checkout default-base &&
 	git reset --hard HEAD^ &&
 	git checkout default &&
-	git rebase &&
+	git rebase --merge &&
+	git rev-parse --verify default-base >expect &&
+	git rev-parse default~1 >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg (--apply)' '
+	git checkout -B default-base master &&
+	git checkout -B default topic &&
+	git config branch.default.remote . &&
+	git config branch.default.merge refs/heads/default-base &&
+	git rebase --apply &&
+	git rev-parse --verify default-base >expect &&
+	git rev-parse default~1 >actual &&
+	test_cmp expect actual &&
+	git checkout default-base &&
+	git reset --hard HEAD^ &&
+	git checkout default &&
+	git rebase --apply &&
 	git rev-parse --verify default-base >expect &&
 	git rev-parse default~1 >actual &&
 	test_cmp expect actual
@@ -200,9 +224,15 @@ test_expect_success 'cherry-picked commits and fork-point work together' '
 	test_cmp expect D
 '
 
-test_expect_success 'rebase -q is quiet' '
+test_expect_success 'rebase --apply -q is quiet' '
 	git checkout -b quiet topic &&
-	git rebase -q master >output.out 2>&1 &&
+	git rebase --apply -q master >output.out 2>&1 &&
+	test_must_be_empty output.out
+'
+
+test_expect_success 'rebase --merge -q is quiet' '
+	git checkout -B quiet topic &&
+	git rebase --merge -q master >output.out 2>&1 &&
 	test_must_be_empty output.out
 '
 
@@ -285,7 +315,7 @@ EOF
 	test_cmp From_.msg out
 '
 
-test_expect_success 'rebase --am and --show-current-patch' '
+test_expect_success 'rebase --apply and --show-current-patch' '
 	test_create_repo conflict-apply &&
 	(
 		cd conflict-apply &&
@@ -295,12 +325,48 @@ test_expect_success 'rebase --am and --show-current-patch' '
 		echo two >>init.t &&
 		git commit -a -m two &&
 		git tag two &&
-		test_must_fail git rebase --onto init HEAD^ &&
+		test_must_fail git rebase --apply -f --onto init HEAD^ &&
 		GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
 		grep "show.*$(git rev-parse two)" stderr
 	)
 '
 
+test_expect_success 'rebase --apply and .gitattributes' '
+	test_create_repo attributes &&
+	(
+		cd attributes &&
+		test_commit init &&
+		git config filter.test.clean "sed -e '\''s/smudged/clean/g'\''" &&
+		git config filter.test.smudge "sed -e '\''s/clean/smudged/g'\''" &&
+
+		test_commit second &&
+		git checkout -b test HEAD^ &&
+
+		echo "*.txt filter=test" >.gitattributes &&
+		git add .gitattributes &&
+		test_commit third &&
+
+		echo "This text is smudged." >a.txt &&
+		git add a.txt &&
+		test_commit fourth &&
+
+		git checkout -b removal HEAD^ &&
+		git rm .gitattributes &&
+		git add -u &&
+		test_commit fifth &&
+		git cherry-pick test &&
+
+		git checkout test &&
+		git rebase master &&
+		grep "smudged" a.txt &&
+
+		git checkout removal &&
+		git reset --hard &&
+		git rebase master &&
+		grep "clean" a.txt
+	)
+'
+
 test_expect_success 'rebase--merge.sh and --show-current-patch' '
 	test_create_repo conflict-merge &&
 	(
@@ -335,4 +401,22 @@ test_expect_success 'rebase -c rebase.useBuiltin=false warning' '
 	test_must_be_empty err
 '
 
+test_expect_success 'switch to branch checked out here' '
+	git checkout master &&
+	git rebase master master
+'
+
+test_expect_success 'switch to branch not checked out' '
+	git checkout master &&
+	git branch other &&
+	git rebase master other
+'
+
+test_expect_success 'refuse to switch to branch checked out elsewhere' '
+	git checkout master &&
+	git worktree add wt &&
+	test_must_fail git -C wt rebase master master 2>err &&
+	test_i18ngrep "already checked out" err
+'
+
 test_done