t/t3400-rebase.sh - jrn/git - Git at Google

 #!/bin/sh
 #
 # Copyright (c) 2005 Amos Waterland
 #

 test_description='git rebase assorted tests

 This test runs git rebase and checks that the author information is not lost
 among other things.
 '
 . ./test-lib.sh

 GIT_AUTHOR_NAME=author@name
 GIT_AUTHOR_EMAIL=bogus@email@address
 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL

 test_expect_success 'prepare repository with topic branches' '
 	git config core.logAllRefUpdates true &&
 	echo First >A &&
 	git update-index --add A &&
 	git commit -m "Add A." &&
 	git checkout -b force-3way &&
 	echo Dummy >Y &&
 	git update-index --add Y &&
 	git commit -m "Add Y." &&
 	git checkout -b filemove &&
 	git reset --soft master &&
 	mkdir D &&
 	git mv A D/A &&
 	git commit -m "Move A." &&
 	git checkout -b my-topic-branch master &&
 	echo Second >B &&
 	git update-index --add B &&
 	git commit -m "Add B." &&
 	git checkout -f master &&
 	echo Third >>A &&
 	git update-index A &&
 	git commit -m "Modify A." &&
 	git checkout -b side my-topic-branch &&
 	echo Side >>C &&
 	git add C &&
 	git commit -m "Add C" &&
 	git checkout -f my-topic-branch &&
 	git tag topic
 '

 test_expect_success 'rebase on dirty worktree' '
 	echo dirty >>A &&
 	test_must_fail git rebase master
 '

 test_expect_success 'rebase on dirty cache' '
 	git add A &&
 	test_must_fail git rebase master
 '

 test_expect_success 'rebase against master' '
 	git reset --hard HEAD &&
 	git rebase master
 '

 test_expect_success 'rebase, with <onto> and <upstream> specified as :/quuxery' '
 	test_when_finished "git branch -D torebase" &&
 	git checkout -b torebase my-topic-branch^ &&
 	upstream=$(git rev-parse ":/Add B") &&
 	onto=$(git rev-parse ":/Add A") &&
 	git rebase --onto $onto $upstream &&
 	git reset --hard my-topic-branch^ &&
 	git rebase --onto ":/Add A" ":/Add B" &&
 	git checkout my-topic-branch
 '

 test_expect_success 'the rebase operation should not have destroyed author information' '
 	! (git log | grep "Author:" | grep "<>")
 '

 test_expect_success 'the rebase operation should not have destroyed author information (2)' "
 	git log -1 |
 	grep 'Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>'
 "

 test_expect_success 'HEAD was detached during rebase' '
 	test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
 '

 test_expect_success 'rebase from ambiguous branch name' '
 	git checkout -b topic side &&
 	git rebase master
 '

 test_expect_success 'rebase off of the previous branch using "-"' '
 	git checkout master &&
 	git checkout HEAD^ &&
 	git rebase @{-1} >expect.messages &&
 	git merge-base master HEAD >expect.forkpoint &&

 	git checkout master &&
 	git checkout HEAD^ &&
 	git rebase - >actual.messages &&
 	git merge-base master HEAD >actual.forkpoint &&

 	test_cmp expect.forkpoint actual.forkpoint &&
 	# the next one is dubious---we may want to say "-",
 	# instead of @{-1}, in the message
 	test_i18ncmp expect.messages actual.messages
 '

 test_expect_success 'rebase a single mode change' '
 	git checkout master &&
 	git branch -D topic &&
 	echo 1 >X &&
 	git add X &&
 	test_tick &&
 	git commit -m prepare &&
 	git checkout -b modechange HEAD^ &&
 	echo 1 >X &&
 	git add X &&
 	test_chmod +x A &&
 	test_tick &&
 	git commit -m modechange &&
 	GIT_TRACE=1 git rebase master
 '

 test_expect_success 'rebase is not broken by diff.renames' '
 	test_config diff.renames copies &&
 	git checkout filemove &&
 	GIT_TRACE=1 git rebase force-3way
 '

 test_expect_success 'setup: recover' '
 	test_might_fail git rebase --abort &&
 	git reset --hard &&
 	git checkout modechange
 '

 test_expect_success 'Show verbose error when HEAD could not be detached' '
 	>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 &&
 	test_must_fail git rebase
 '

 test_expect_success 'fail when upstream arg is missing and not configured' '
 	git checkout -b no-config topic &&
 	test_must_fail git rebase
 '

 test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg' '
 	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 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 rev-parse --verify default-base >expect &&
 	git rev-parse default~1 >actual &&
 	test_cmp expect actual
 '

 test_expect_success 'cherry-picked commits and fork-point work together' '
 	git checkout default-base &&
 	echo Amended >A &&
 	git commit -a --no-edit --amend &&
 	test_commit B B &&
 	test_commit new_B B "New B" &&
 	test_commit C C &&
 	git checkout default &&
 	git reset --hard default-base@{4} &&
 	test_commit D D &&
 	git cherry-pick -2 default-base^ &&
 	test_commit final_B B "Final B" &&
 	git rebase &&
 	echo Amended >expect &&
 	test_cmp A expect &&
 	echo "Final B" >expect &&
 	test_cmp B expect &&
 	echo C >expect &&
 	test_cmp C expect &&
 	echo D >expect &&
 	test_cmp D expect
 '

 test_expect_success 'rebase -q is quiet' '
 	git checkout -b quiet topic &&
 	git rebase -q master >output.out 2>&1 &&
 	test_must_be_empty output.out
 '

 test_expect_success 'Rebase a commit that sprinkles CRs in' '
 	(
 		echo "One"
 		echo "TwoQ"
 		echo "Three"
 		echo "FQur"
 		echo "Five"
 	) | q_to_cr >CR &&
 	git add CR &&
 	test_tick &&
 	git commit -a -m "A file with a line with CR" &&
 	git tag file-with-cr &&
 	git checkout HEAD^0 &&
 	git rebase --onto HEAD^^ HEAD^ &&
 	git diff --exit-code file-with-cr:CR HEAD:CR
 '

 test_expect_success 'rebase can copy notes' '
 	git config notes.rewrite.rebase true &&
 	git config notes.rewriteRef "refs/notes/*" &&
 	test_commit n1 &&
 	test_commit n2 &&
 	test_commit n3 &&
 	git notes add -m"a note" n3 &&
 	git rebase --onto n1 n2 &&
 	test "a note" = "$(git notes show HEAD)"
 '

 test_expect_success 'rebase -m can copy notes' '
 	git reset --hard n3 &&
 	git rebase -m --onto n1 n2 &&
 	test "a note" = "$(git notes show HEAD)"
 '

 test_expect_success 'rebase commit with an ancient timestamp' '
 	git reset --hard &&

 	>old.one && git add old.one && test_tick &&
 	git commit --date="@12345 +0400" -m "Old one" &&
 	>old.two && git add old.two && test_tick &&
 	git commit --date="@23456 +0500" -m "Old two" &&
 	>old.three && git add old.three && test_tick &&
 	git commit --date="@34567 +0600" -m "Old three" &&

 	git cat-file commit HEAD^^ >actual &&
 	grep "author .* 12345 +0400$" actual &&
 	git cat-file commit HEAD^ >actual &&
 	grep "author .* 23456 +0500$" actual &&
 	git cat-file commit HEAD >actual &&
 	grep "author .* 34567 +0600$" actual &&

 	git rebase --onto HEAD^^ HEAD^ &&

 	git cat-file commit HEAD >actual &&
 	grep "author .* 34567 +0600$" actual
 '

 test_expect_success 'rebase with "From " line in commit message' '
 	git checkout -b preserve-from master~1 &&
 	cat >From_.msg <<EOF &&
 Somebody embedded an mbox in a commit message

 This is from so-and-so:

 From a@b Mon Sep 17 00:00:00 2001
 From: John Doe <nobody@example.com>
 Date: Sat, 11 Nov 2017 00:00:00 +0000
 Subject: not this message

 something
 EOF
 	>From_ &&
 	git add From_ &&
 	git commit -F From_.msg &&
 	git rebase master &&
 	git log -1 --pretty=format:%B >out &&
 	test_cmp From_.msg out
 '

 test_expect_success 'rebase--am.sh and --show-current-patch' '
 	test_create_repo conflict-apply &&
 	(
 		cd conflict-apply &&
 		test_commit init &&
 		echo one >>init.t &&
 		git commit -a -m one &&
 		echo two >>init.t &&
 		git commit -a -m two &&
 		git tag two &&
 		test_must_fail git rebase --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--merge.sh and --show-current-patch' '
 	test_create_repo conflict-merge &&
 	(
 		cd conflict-merge &&
 		test_commit init &&
 		echo one >>init.t &&
 		git commit -a -m one &&
 		echo two >>init.t &&
 		git commit -a -m two &&
 		git tag two &&
 		test_must_fail git rebase --merge --onto init HEAD^ &&
 		git rebase --show-current-patch >actual.patch &&
 		GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
 		grep "show.*REBASE_HEAD" stderr &&
 		test "$(git rev-parse REBASE_HEAD)" = "$(git rev-parse two)"
 	)
 '

 test_done
	#!/bin/sh
	#
	# Copyright (c) 2005 Amos Waterland
	#

	test_description='git rebase assorted tests

	This test runs git rebase and checks that the author information is not lost
	among other things.
	'
	. ./test-lib.sh

	GIT_AUTHOR_NAME=author@name
	GIT_AUTHOR_EMAIL=bogus@email@address
	export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL

	test_expect_success 'prepare repository with topic branches' '
	git config core.logAllRefUpdates true &&
	echo First >A &&
	git update-index --add A &&
	git commit -m "Add A." &&
	git checkout -b force-3way &&
	echo Dummy >Y &&
	git update-index --add Y &&
	git commit -m "Add Y." &&
	git checkout -b filemove &&
	git reset --soft master &&
	mkdir D &&
	git mv A D/A &&
	git commit -m "Move A." &&
	git checkout -b my-topic-branch master &&
	echo Second >B &&
	git update-index --add B &&
	git commit -m "Add B." &&
	git checkout -f master &&
	echo Third >>A &&
	git update-index A &&
	git commit -m "Modify A." &&
	git checkout -b side my-topic-branch &&
	echo Side >>C &&
	git add C &&
	git commit -m "Add C" &&
	git checkout -f my-topic-branch &&
	git tag topic
	'

	test_expect_success 'rebase on dirty worktree' '
	echo dirty >>A &&
	test_must_fail git rebase master
	'

	test_expect_success 'rebase on dirty cache' '
	git add A &&
	test_must_fail git rebase master
	'

	test_expect_success 'rebase against master' '
	git reset --hard HEAD &&
	git rebase master
	'

	test_expect_success 'rebase, with <onto> and <upstream> specified as :/quuxery' '
	test_when_finished "git branch -D torebase" &&
	git checkout -b torebase my-topic-branch^ &&
	upstream=$(git rev-parse ":/Add B") &&
	onto=$(git rev-parse ":/Add A") &&
	git rebase --onto $onto $upstream &&
	git reset --hard my-topic-branch^ &&
	git rebase --onto ":/Add A" ":/Add B" &&
	git checkout my-topic-branch
	'

	test_expect_success 'the rebase operation should not have destroyed author information' '
	! (git log \| grep "Author:" \| grep "<>")
	'

	test_expect_success 'the rebase operation should not have destroyed author information (2)' "
	git log -1 \|
	grep 'Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>'
	"

	test_expect_success 'HEAD was detached during rebase' '
	test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
	'

	test_expect_success 'rebase from ambiguous branch name' '
	git checkout -b topic side &&
	git rebase master
	'

	test_expect_success 'rebase off of the previous branch using "-"' '
	git checkout master &&
	git checkout HEAD^ &&
	git rebase @{-1} >expect.messages &&
	git merge-base master HEAD >expect.forkpoint &&

	git checkout master &&
	git checkout HEAD^ &&
	git rebase - >actual.messages &&
	git merge-base master HEAD >actual.forkpoint &&

	test_cmp expect.forkpoint actual.forkpoint &&
	# the next one is dubious---we may want to say "-",
	# instead of @{-1}, in the message
	test_i18ncmp expect.messages actual.messages
	'

	test_expect_success 'rebase a single mode change' '
	git checkout master &&
	git branch -D topic &&
	echo 1 >X &&
	git add X &&
	test_tick &&
	git commit -m prepare &&
	git checkout -b modechange HEAD^ &&
	echo 1 >X &&
	git add X &&
	test_chmod +x A &&
	test_tick &&
	git commit -m modechange &&
	GIT_TRACE=1 git rebase master
	'

	test_expect_success 'rebase is not broken by diff.renames' '
	test_config diff.renames copies &&
	git checkout filemove &&
	GIT_TRACE=1 git rebase force-3way
	'

	test_expect_success 'setup: recover' '
	test_might_fail git rebase --abort &&
	git reset --hard &&
	git checkout modechange
	'

	test_expect_success 'Show verbose error when HEAD could not be detached' '
	>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 &&
	test_must_fail git rebase
	'

	test_expect_success 'fail when upstream arg is missing and not configured' '
	git checkout -b no-config topic &&
	test_must_fail git rebase
	'

	test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg' '
	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 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 rev-parse --verify default-base >expect &&
	git rev-parse default~1 >actual &&
	test_cmp expect actual
	'

	test_expect_success 'cherry-picked commits and fork-point work together' '
	git checkout default-base &&
	echo Amended >A &&
	git commit -a --no-edit --amend &&
	test_commit B B &&
	test_commit new_B B "New B" &&
	test_commit C C &&
	git checkout default &&
	git reset --hard default-base@{4} &&
	test_commit D D &&
	git cherry-pick -2 default-base^ &&
	test_commit final_B B "Final B" &&
	git rebase &&
	echo Amended >expect &&
	test_cmp A expect &&
	echo "Final B" >expect &&
	test_cmp B expect &&
	echo C >expect &&
	test_cmp C expect &&
	echo D >expect &&
	test_cmp D expect
	'

	test_expect_success 'rebase -q is quiet' '
	git checkout -b quiet topic &&
	git rebase -q master >output.out 2>&1 &&
	test_must_be_empty output.out
	'

	test_expect_success 'Rebase a commit that sprinkles CRs in' '
	(
	echo "One"
	echo "TwoQ"
	echo "Three"
	echo "FQur"
	echo "Five"
	) \| q_to_cr >CR &&
	git add CR &&
	test_tick &&
	git commit -a -m "A file with a line with CR" &&
	git tag file-with-cr &&
	git checkout HEAD^0 &&
	git rebase --onto HEAD^^ HEAD^ &&
	git diff --exit-code file-with-cr:CR HEAD:CR
	'

	test_expect_success 'rebase can copy notes' '
	git config notes.rewrite.rebase true &&
	git config notes.rewriteRef "refs/notes/*" &&
	test_commit n1 &&
	test_commit n2 &&
	test_commit n3 &&
	git notes add -m"a note" n3 &&
	git rebase --onto n1 n2 &&
	test "a note" = "$(git notes show HEAD)"
	'

	test_expect_success 'rebase -m can copy notes' '
	git reset --hard n3 &&
	git rebase -m --onto n1 n2 &&
	test "a note" = "$(git notes show HEAD)"
	'

	test_expect_success 'rebase commit with an ancient timestamp' '
	git reset --hard &&

	>old.one && git add old.one && test_tick &&
	git commit --date="@12345 +0400" -m "Old one" &&
	>old.two && git add old.two && test_tick &&
	git commit --date="@23456 +0500" -m "Old two" &&
	>old.three && git add old.three && test_tick &&
	git commit --date="@34567 +0600" -m "Old three" &&

	git cat-file commit HEAD^^ >actual &&
	grep "author .* 12345 +0400$" actual &&
	git cat-file commit HEAD^ >actual &&
	grep "author .* 23456 +0500$" actual &&
	git cat-file commit HEAD >actual &&
	grep "author .* 34567 +0600$" actual &&

	git rebase --onto HEAD^^ HEAD^ &&

	git cat-file commit HEAD >actual &&
	grep "author .* 34567 +0600$" actual
	'

	test_expect_success 'rebase with "From " line in commit message' '
	git checkout -b preserve-from master~1 &&
	cat >From_.msg <<EOF &&
	Somebody embedded an mbox in a commit message

	This is from so-and-so:

	From a@b Mon Sep 17 00:00:00 2001
	From: John Doe <nobody@example.com>
	Date: Sat, 11 Nov 2017 00:00:00 +0000
	Subject: not this message

	something
	EOF
	>From_ &&
	git add From_ &&
	git commit -F From_.msg &&
	git rebase master &&
	git log -1 --pretty=format:%B >out &&
	test_cmp From_.msg out
	'

	test_expect_success 'rebase--am.sh and --show-current-patch' '
	test_create_repo conflict-apply &&
	(
	cd conflict-apply &&
	test_commit init &&
	echo one >>init.t &&
	git commit -a -m one &&
	echo two >>init.t &&
	git commit -a -m two &&
	git tag two &&
	test_must_fail git rebase --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--merge.sh and --show-current-patch' '
	test_create_repo conflict-merge &&
	(
	cd conflict-merge &&
	test_commit init &&
	echo one >>init.t &&
	git commit -a -m one &&
	echo two >>init.t &&
	git commit -a -m two &&
	git tag two &&
	test_must_fail git rebase --merge --onto init HEAD^ &&
	git rebase --show-current-patch >actual.patch &&
	GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
	grep "show.*REBASE_HEAD" stderr &&
	test "$(git rev-parse REBASE_HEAD)" = "$(git rev-parse two)"
	)
	'

	test_done