640f9cd599
"git rebase --keep-base <upstream>" tries to find the original base of the topic being rebased and rebase on top of that same base, which is useful when running the "git rebase -i" (and its limited variant "git rebase -x"). The command also has learned to fast-forward in more cases where it can instead of replaying to recreate identical commits. * dl/rebase-i-keep-base: rebase: teach rebase --keep-base rebase tests: test linear branch topology rebase: fast-forward --fork-point in more cases rebase: fast-forward --onto in more cases rebase: refactor can_fast_forward into goto tower t3432: test for --no-ff's interaction with fast-forward t3432: distinguish "noop-same" v.s. "work-same" in "same head" tests t3432: test rebase fast-forward behavior t3431: add rebase --fork-point tests
375 lines
9.8 KiB
Bash
Executable File
375 lines
9.8 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2005 Amos Waterland
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#
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test_description='git rebase assorted tests
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This test runs git rebase and checks that the author information is not lost
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among other things.
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'
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. ./test-lib.sh
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GIT_AUTHOR_NAME=author@name
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GIT_AUTHOR_EMAIL=bogus@email@address
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export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
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test_expect_success 'prepare repository with topic branches' '
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git config core.logAllRefUpdates true &&
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echo First >A &&
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git update-index --add A &&
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git commit -m "Add A." &&
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git checkout -b force-3way &&
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echo Dummy >Y &&
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git update-index --add Y &&
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git commit -m "Add Y." &&
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git checkout -b filemove &&
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git reset --soft master &&
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mkdir D &&
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git mv A D/A &&
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git commit -m "Move A." &&
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git checkout -b my-topic-branch master &&
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echo Second >B &&
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git update-index --add B &&
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git commit -m "Add B." &&
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git checkout -f master &&
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echo Third >>A &&
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git update-index A &&
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git commit -m "Modify A." &&
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git checkout -b side my-topic-branch &&
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echo Side >>C &&
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git add C &&
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git commit -m "Add C" &&
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git checkout -f my-topic-branch &&
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git tag topic
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'
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test_expect_success 'rebase on dirty worktree' '
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echo dirty >>A &&
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test_must_fail git rebase master
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'
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test_expect_success 'rebase on dirty cache' '
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git add A &&
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test_must_fail git rebase master
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'
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test_expect_success 'rebase against master' '
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git reset --hard HEAD &&
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git rebase master
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'
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test_expect_success 'rebase sets ORIG_HEAD to pre-rebase state' '
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git checkout -b orig-head topic &&
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pre="$(git rev-parse --verify HEAD)" &&
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git rebase master &&
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test_cmp_rev "$pre" ORIG_HEAD &&
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! test_cmp_rev "$pre" HEAD
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'
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test_expect_success 'rebase, with <onto> and <upstream> specified as :/quuxery' '
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test_when_finished "git branch -D torebase" &&
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git checkout -b torebase my-topic-branch^ &&
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upstream=$(git rev-parse ":/Add B") &&
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onto=$(git rev-parse ":/Add A") &&
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git rebase --onto $onto $upstream &&
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git reset --hard my-topic-branch^ &&
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git rebase --onto ":/Add A" ":/Add B" &&
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git checkout my-topic-branch
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'
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test_expect_success 'the rebase operation should not have destroyed author information' '
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! (git log | grep "Author:" | grep "<>")
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'
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test_expect_success 'the rebase operation should not have destroyed author information (2)' "
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git log -1 |
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grep 'Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>'
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"
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test_expect_success 'HEAD was detached during rebase' '
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test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
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'
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test_expect_success 'rebase from ambiguous branch name' '
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git checkout -b topic side &&
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git rebase master
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'
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test_expect_success 'rebase off of the previous branch using "-"' '
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git checkout master &&
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git checkout HEAD^ &&
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git rebase @{-1} >expect.messages &&
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git merge-base master HEAD >expect.forkpoint &&
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git checkout master &&
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git checkout HEAD^ &&
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git rebase - >actual.messages &&
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git merge-base master HEAD >actual.forkpoint &&
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test_cmp expect.forkpoint actual.forkpoint &&
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# the next one is dubious---we may want to say "-",
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# instead of @{-1}, in the message
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test_i18ncmp expect.messages actual.messages
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'
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test_expect_success 'rebase a single mode change' '
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git checkout master &&
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git branch -D topic &&
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echo 1 >X &&
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git add X &&
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test_tick &&
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git commit -m prepare &&
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git checkout -b modechange HEAD^ &&
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echo 1 >X &&
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git add X &&
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test_chmod +x A &&
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test_tick &&
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git commit -m modechange &&
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GIT_TRACE=1 git rebase master
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'
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test_expect_success 'rebase is not broken by diff.renames' '
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test_config diff.renames copies &&
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git checkout filemove &&
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GIT_TRACE=1 git rebase force-3way
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'
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test_expect_success 'setup: recover' '
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test_might_fail git rebase --abort &&
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git reset --hard &&
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git checkout modechange
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'
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test_expect_success 'Show verbose error when HEAD could not be detached' '
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>B &&
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test_must_fail git rebase topic 2>output.err >output.out &&
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test_i18ngrep "The following untracked working tree files would be overwritten by checkout:" output.err &&
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test_i18ngrep B output.err
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'
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rm -f B
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test_expect_success 'fail when upstream arg is missing and not on branch' '
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git checkout topic &&
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test_must_fail git rebase
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'
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test_expect_success 'fail when upstream arg is missing and not configured' '
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git checkout -b no-config topic &&
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test_must_fail git rebase
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'
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test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg' '
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git checkout -b default-base master &&
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git checkout -b default topic &&
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git config branch.default.remote . &&
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git config branch.default.merge refs/heads/default-base &&
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git rebase &&
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git rev-parse --verify default-base >expect &&
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git rev-parse default~1 >actual &&
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test_cmp expect actual &&
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git checkout default-base &&
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git reset --hard HEAD^ &&
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git checkout default &&
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git rebase &&
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git rev-parse --verify default-base >expect &&
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git rev-parse default~1 >actual &&
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test_cmp expect actual
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'
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test_expect_success 'cherry-picked commits and fork-point work together' '
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git checkout default-base &&
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echo Amended >A &&
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git commit -a --no-edit --amend &&
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test_commit B B &&
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test_commit new_B B "New B" &&
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test_commit C C &&
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git checkout default &&
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git reset --hard default-base@{4} &&
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test_commit D D &&
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git cherry-pick -2 default-base^ &&
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test_commit final_B B "Final B" &&
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git rebase &&
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echo Amended >expect &&
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test_cmp expect A &&
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echo "Final B" >expect &&
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test_cmp expect B &&
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echo C >expect &&
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test_cmp expect C &&
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echo D >expect &&
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test_cmp expect D
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'
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test_expect_success 'rebase -q is quiet' '
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git checkout -b quiet topic &&
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git rebase -q master >output.out 2>&1 &&
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test_must_be_empty output.out
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'
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test_expect_success 'Rebase a commit that sprinkles CRs in' '
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(
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echo "One" &&
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echo "TwoQ" &&
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echo "Three" &&
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echo "FQur" &&
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echo "Five"
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) | q_to_cr >CR &&
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git add CR &&
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test_tick &&
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git commit -a -m "A file with a line with CR" &&
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git tag file-with-cr &&
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git checkout HEAD^0 &&
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git rebase --onto HEAD^^ HEAD^ &&
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git diff --exit-code file-with-cr:CR HEAD:CR
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'
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test_expect_success 'rebase can copy notes' '
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git config notes.rewrite.rebase true &&
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git config notes.rewriteRef "refs/notes/*" &&
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test_commit n1 &&
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test_commit n2 &&
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test_commit n3 &&
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git notes add -m"a note" n3 &&
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git rebase --onto n1 n2 &&
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test "a note" = "$(git notes show HEAD)"
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'
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test_expect_success 'rebase -m can copy notes' '
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git reset --hard n3 &&
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git rebase -m --onto n1 n2 &&
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test "a note" = "$(git notes show HEAD)"
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'
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test_expect_success 'rebase commit with an ancient timestamp' '
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git reset --hard &&
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>old.one && git add old.one && test_tick &&
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git commit --date="@12345 +0400" -m "Old one" &&
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>old.two && git add old.two && test_tick &&
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git commit --date="@23456 +0500" -m "Old two" &&
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>old.three && git add old.three && test_tick &&
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git commit --date="@34567 +0600" -m "Old three" &&
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git cat-file commit HEAD^^ >actual &&
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grep "author .* 12345 +0400$" actual &&
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git cat-file commit HEAD^ >actual &&
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grep "author .* 23456 +0500$" actual &&
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git cat-file commit HEAD >actual &&
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grep "author .* 34567 +0600$" actual &&
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git rebase --onto HEAD^^ HEAD^ &&
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git cat-file commit HEAD >actual &&
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grep "author .* 34567 +0600$" actual
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'
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test_expect_success 'rebase with "From " line in commit message' '
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git checkout -b preserve-from master~1 &&
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cat >From_.msg <<EOF &&
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Somebody embedded an mbox in a commit message
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This is from so-and-so:
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From a@b Mon Sep 17 00:00:00 2001
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From: John Doe <nobody@example.com>
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Date: Sat, 11 Nov 2017 00:00:00 +0000
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Subject: not this message
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something
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EOF
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>From_ &&
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git add From_ &&
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git commit -F From_.msg &&
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git rebase master &&
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git log -1 --pretty=format:%B >out &&
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test_cmp From_.msg out
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'
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test_expect_success 'rebase --am and --show-current-patch' '
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test_create_repo conflict-apply &&
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(
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cd conflict-apply &&
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test_commit init &&
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echo one >>init.t &&
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git commit -a -m one &&
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echo two >>init.t &&
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git commit -a -m two &&
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git tag two &&
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test_must_fail git rebase -f --onto init HEAD^ &&
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GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
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grep "show.*$(git rev-parse two)" stderr
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)
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'
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test_expect_success 'rebase --am and .gitattributes' '
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test_create_repo attributes &&
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(
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cd attributes &&
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test_commit init &&
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git config filter.test.clean "sed -e '\''s/smudged/clean/g'\''" &&
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git config filter.test.smudge "sed -e '\''s/clean/smudged/g'\''" &&
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test_commit second &&
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git checkout -b test HEAD^ &&
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echo "*.txt filter=test" >.gitattributes &&
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git add .gitattributes &&
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test_commit third &&
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echo "This text is smudged." >a.txt &&
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git add a.txt &&
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test_commit fourth &&
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git checkout -b removal HEAD^ &&
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git rm .gitattributes &&
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git add -u &&
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test_commit fifth &&
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git cherry-pick test &&
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git checkout test &&
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git rebase master &&
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grep "smudged" a.txt &&
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git checkout removal &&
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git reset --hard &&
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git rebase master &&
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grep "clean" a.txt
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)
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'
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test_expect_success 'rebase--merge.sh and --show-current-patch' '
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test_create_repo conflict-merge &&
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(
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cd conflict-merge &&
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test_commit init &&
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echo one >>init.t &&
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git commit -a -m one &&
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echo two >>init.t &&
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git commit -a -m two &&
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git tag two &&
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test_must_fail git rebase --merge --onto init HEAD^ &&
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git rebase --show-current-patch >actual.patch &&
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GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
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grep "show.*REBASE_HEAD" stderr &&
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test "$(git rev-parse REBASE_HEAD)" = "$(git rev-parse two)"
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)
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'
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test_expect_success 'rebase -c rebase.useBuiltin=false warning' '
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expected="rebase.useBuiltin support has been removed" &&
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# Only warn when the legacy rebase is requested...
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test_must_fail git -c rebase.useBuiltin=false rebase 2>err &&
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test_i18ngrep "$expected" err &&
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test_must_fail env GIT_TEST_REBASE_USE_BUILTIN=false git rebase 2>err &&
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test_i18ngrep "$expected" err &&
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# ...not when we would have used the built-in anyway
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test_must_fail git -c rebase.useBuiltin=true rebase 2>err &&
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test_must_be_empty err &&
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test_must_fail env GIT_TEST_REBASE_USE_BUILTIN=true git rebase 2>err &&
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test_must_be_empty err
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'
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test_done
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