| #!/bin/sh |
| # |
| # Copyright (c) 2018 Johannes E. Schindelin |
| # |
| |
| test_description='git rebase -i --rebase-merges |
| |
| This test runs git rebase "interactively", retaining the branch structure by |
| recreating merge commits. |
| |
| Initial setup: |
| |
| -- B -- (first) |
| / \ |
| A - C - D - E - H (main) |
| \ \ / |
| \ F - G (second) |
| \ |
| Conflicting-G |
| ' |
| GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main |
| export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME |
| |
| . ./test-lib.sh |
| . "$TEST_DIRECTORY"/lib-rebase.sh |
| . "$TEST_DIRECTORY"/lib-log-graph.sh |
| |
| test_cmp_graph () { |
| cat >expect && |
| lib_test_cmp_graph --boundary --format=%s "$@" |
| } |
| |
| test_expect_success 'setup' ' |
| write_script replace-editor.sh <<-\EOF && |
| mv "$1" "$(git rev-parse --git-path ORIGINAL-TODO)" |
| cp script-from-scratch "$1" |
| EOF |
| |
| test_commit A && |
| git checkout -b first && |
| test_commit B && |
| b=$(git rev-parse --short HEAD) && |
| git checkout main && |
| test_commit C && |
| c=$(git rev-parse --short HEAD) && |
| test_commit D && |
| d=$(git rev-parse --short HEAD) && |
| git merge --no-commit B && |
| test_tick && |
| git commit -m E && |
| git tag -m E E && |
| e=$(git rev-parse --short HEAD) && |
| git checkout -b second C && |
| test_commit F && |
| f=$(git rev-parse --short HEAD) && |
| test_commit G && |
| g=$(git rev-parse --short HEAD) && |
| git checkout main && |
| git merge --no-commit G && |
| test_tick && |
| git commit -m H && |
| h=$(git rev-parse --short HEAD) && |
| git tag -m H H && |
| git checkout A && |
| test_commit conflicting-G G.t |
| ' |
| |
| test_expect_success 'create completely different structure' ' |
| cat >script-from-scratch <<-\EOF && |
| label onto |
| |
| # onebranch |
| pick G |
| pick D |
| label onebranch |
| |
| # second |
| reset onto |
| pick B |
| label second |
| |
| reset onto |
| merge -C H second |
| merge onebranch # Merge the topic branch '\''onebranch'\'' |
| EOF |
| test_config sequence.editor \""$PWD"/replace-editor.sh\" && |
| test_tick && |
| git rebase -i -r A main && |
| test_cmp_graph <<-\EOF |
| * Merge the topic branch '\''onebranch'\'' |
| |\ |
| | * D |
| | * G |
| * | H |
| |\ \ |
| | |/ |
| |/| |
| | * B |
| |/ |
| * A |
| EOF |
| ' |
| |
| test_expect_success 'generate correct todo list' ' |
| cat >expect <<-EOF && |
| label onto |
| |
| reset onto |
| pick $b B |
| label E |
| |
| reset onto |
| pick $c C |
| label branch-point |
| pick $f F |
| pick $g G |
| label H |
| |
| reset branch-point # C |
| pick $d D |
| merge -C $e E # E |
| merge -C $h H # H |
| |
| EOF |
| |
| grep -v "^#" <.git/ORIGINAL-TODO >output && |
| test_cmp expect output |
| ' |
| |
| test_expect_success '`reset` refuses to overwrite untracked files' ' |
| git checkout -b refuse-to-reset && |
| test_commit dont-overwrite-untracked && |
| git checkout @{-1} && |
| : >dont-overwrite-untracked.t && |
| echo "reset refs/tags/dont-overwrite-untracked" >script-from-scratch && |
| test_config sequence.editor \""$PWD"/replace-editor.sh\" && |
| test_must_fail git rebase -ir HEAD && |
| git rebase --abort |
| ' |
| |
| test_expect_success '`reset` rejects trees' ' |
| test_when_finished "test_might_fail git rebase --abort" && |
| test_must_fail env GIT_SEQUENCE_EDITOR="echo reset A^{tree} >" \ |
| git rebase -i B C >out 2>err && |
| grep "object .* is a tree" err && |
| test_must_be_empty out |
| ' |
| |
| test_expect_success '`reset` only looks for labels under refs/rewritten/' ' |
| test_when_finished "test_might_fail git rebase --abort" && |
| git branch refs/rewritten/my-label A && |
| test_must_fail env GIT_SEQUENCE_EDITOR="echo reset my-label >" \ |
| git rebase -i B C >out 2>err && |
| grep "could not resolve ${SQ}my-label${SQ}" err && |
| test_must_be_empty out |
| ' |
| |
| test_expect_success 'failed `merge -C` writes patch (may be rescheduled, too)' ' |
| test_when_finished "test_might_fail git rebase --abort" && |
| git checkout -b conflicting-merge A && |
| |
| : fail because of conflicting untracked file && |
| >G.t && |
| echo "merge -C H G" >script-from-scratch && |
| test_config sequence.editor \""$PWD"/replace-editor.sh\" && |
| test_tick && |
| test_must_fail git rebase -ir HEAD && |
| grep "^merge -C .* G$" .git/rebase-merge/done && |
| grep "^merge -C .* G$" .git/rebase-merge/git-rebase-todo && |
| test_path_is_file .git/rebase-merge/patch && |
| |
| : fail because of merge conflict && |
| rm G.t .git/rebase-merge/patch && |
| git reset --hard conflicting-G && |
| test_must_fail git rebase --continue && |
| ! grep "^merge -C .* G$" .git/rebase-merge/git-rebase-todo && |
| test_path_is_file .git/rebase-merge/patch |
| ' |
| |
| test_expect_success 'failed `merge <branch>` does not crash' ' |
| test_when_finished "test_might_fail git rebase --abort" && |
| git checkout conflicting-G && |
| |
| echo "merge G" >script-from-scratch && |
| test_config sequence.editor \""$PWD"/replace-editor.sh\" && |
| test_tick && |
| test_must_fail git rebase -ir HEAD && |
| ! grep "^merge G$" .git/rebase-merge/git-rebase-todo && |
| grep "^Merge branch ${SQ}G${SQ}$" .git/rebase-merge/message |
| ' |
| |
| test_expect_success 'merge -c commits before rewording and reloads todo-list' ' |
| cat >script-from-scratch <<-\EOF && |
| merge -c E B |
| merge -c H G |
| EOF |
| |
| git checkout -b merge-c H && |
| ( |
| set_reword_editor && |
| GIT_SEQUENCE_EDITOR="\"$PWD/replace-editor.sh\"" \ |
| git rebase -i -r D |
| ) && |
| check_reworded_commits E H |
| ' |
| |
| test_expect_success 'merge -c rewords when a strategy is given' ' |
| git checkout -b merge-c-with-strategy H && |
| write_script git-merge-override <<-\EOF && |
| echo overridden$1 >G.t |
| git add G.t |
| EOF |
| |
| PATH="$PWD:$PATH" \ |
| GIT_SEQUENCE_EDITOR="echo merge -c H G >" \ |
| GIT_EDITOR="echo edited >>" \ |
| git rebase --no-ff -ir -s override -Xxopt E && |
| test_write_lines overridden--xopt >expect && |
| test_cmp expect G.t && |
| test_write_lines H "" edited "" >expect && |
| git log --format=%B -1 >actual && |
| test_cmp expect actual |
| |
| ' |
| test_expect_success 'with a branch tip that was cherry-picked already' ' |
| git checkout -b already-upstream main && |
| base="$(git rev-parse --verify HEAD)" && |
| |
| test_commit A1 && |
| test_commit A2 && |
| git reset --hard $base && |
| test_commit B1 && |
| test_tick && |
| git merge -m "Merge branch A" A2 && |
| |
| git checkout -b upstream-with-a2 $base && |
| test_tick && |
| git cherry-pick A2 && |
| |
| git checkout already-upstream && |
| test_tick && |
| git rebase -i -r upstream-with-a2 && |
| test_cmp_graph upstream-with-a2.. <<-\EOF |
| * Merge branch A |
| |\ |
| | * A1 |
| * | B1 |
| |/ |
| o A2 |
| EOF |
| ' |
| |
| test_expect_success 'do not rebase cousins unless asked for' ' |
| git checkout -b cousins main && |
| before="$(git rev-parse --verify HEAD)" && |
| test_tick && |
| git rebase -r HEAD^ && |
| test_cmp_rev HEAD $before && |
| test_tick && |
| git rebase --rebase-merges=rebase-cousins HEAD^ && |
| test_cmp_graph HEAD^.. <<-\EOF |
| * Merge the topic branch '\''onebranch'\'' |
| |\ |
| | * D |
| | * G |
| |/ |
| o H |
| EOF |
| ' |
| |
| test_expect_success 'refs/rewritten/* is worktree-local' ' |
| git worktree add wt && |
| cat >wt/script-from-scratch <<-\EOF && |
| label xyz |
| exec GIT_DIR=../.git git rev-parse --verify refs/rewritten/xyz >a || : |
| exec git rev-parse --verify refs/rewritten/xyz >b |
| EOF |
| |
| test_config -C wt sequence.editor \""$PWD"/replace-editor.sh\" && |
| git -C wt rebase -i HEAD && |
| test_must_be_empty wt/a && |
| test_cmp_rev HEAD "$(cat wt/b)" |
| ' |
| |
| test_expect_success '--abort cleans up refs/rewritten' ' |
| git checkout -b abort-cleans-refs-rewritten H && |
| GIT_SEQUENCE_EDITOR="echo break >>" git rebase -ir @^ && |
| git rev-parse --verify refs/rewritten/onto && |
| git rebase --abort && |
| test_must_fail git rev-parse --verify refs/rewritten/onto |
| ' |
| |
| test_expect_success '--quit cleans up refs/rewritten' ' |
| git checkout -b quit-cleans-refs-rewritten H && |
| GIT_SEQUENCE_EDITOR="echo break >>" git rebase -ir @^ && |
| git rev-parse --verify refs/rewritten/onto && |
| git rebase --quit && |
| test_must_fail git rev-parse --verify refs/rewritten/onto |
| ' |
| |
| test_expect_success 'post-rewrite hook and fixups work for merges' ' |
| git checkout -b post-rewrite H && |
| test_commit same1 && |
| git reset --hard HEAD^ && |
| test_commit same2 && |
| git merge -m "to fix up" same1 && |
| echo same old same old >same2.t && |
| test_tick && |
| git commit --fixup HEAD same2.t && |
| fixup="$(git rev-parse HEAD)" && |
| |
| test_hook post-rewrite <<-\EOF && |
| cat >actual |
| EOF |
| |
| test_tick && |
| git rebase -i --autosquash -r HEAD^^^ && |
| printf "%s %s\n%s %s\n%s %s\n%s %s\n" >expect $(git rev-parse \ |
| $fixup^^2 HEAD^2 \ |
| $fixup^^ HEAD^ \ |
| $fixup^ HEAD \ |
| $fixup HEAD) && |
| test_cmp expect actual |
| ' |
| |
| test_expect_success 'refuse to merge ancestors of HEAD' ' |
| echo "merge HEAD^" >script-from-scratch && |
| test_config -C wt sequence.editor \""$PWD"/replace-editor.sh\" && |
| before="$(git rev-parse HEAD)" && |
| git rebase -i HEAD && |
| test_cmp_rev HEAD $before |
| ' |
| |
| test_expect_success 'root commits' ' |
| git checkout --orphan unrelated && |
| (GIT_AUTHOR_NAME="Parsnip" GIT_AUTHOR_EMAIL="root@example.com" \ |
| test_commit second-root) && |
| test_commit third-root && |
| cat >script-from-scratch <<-\EOF && |
| pick third-root |
| label first-branch |
| reset [new root] |
| pick second-root |
| merge first-branch # Merge the 3rd root |
| EOF |
| test_config sequence.editor \""$PWD"/replace-editor.sh\" && |
| test_tick && |
| git rebase -i --force-rebase --root -r && |
| test "Parsnip" = "$(git show -s --format=%an HEAD^)" && |
| test $(git rev-parse second-root^0) != $(git rev-parse HEAD^) && |
| test $(git rev-parse second-root:second-root.t) = \ |
| $(git rev-parse HEAD^:second-root.t) && |
| test_cmp_graph HEAD <<-\EOF && |
| * Merge the 3rd root |
| |\ |
| | * third-root |
| * second-root |
| EOF |
| |
| : fast forward if possible && |
| before="$(git rev-parse --verify HEAD)" && |
| test_might_fail git config --unset sequence.editor && |
| test_tick && |
| git rebase -i --root -r && |
| test_cmp_rev HEAD $before |
| ' |
| |
| test_expect_success 'a "merge" into a root commit is a fast-forward' ' |
| head=$(git rev-parse HEAD) && |
| cat >script-from-scratch <<-EOF && |
| reset [new root] |
| merge $head |
| EOF |
| test_config sequence.editor \""$PWD"/replace-editor.sh\" && |
| test_tick && |
| git rebase -i -r HEAD^ && |
| test_cmp_rev HEAD $head |
| ' |
| |
| test_expect_success 'A root commit can be a cousin, treat it that way' ' |
| git checkout --orphan khnum && |
| test_commit yama && |
| git checkout -b asherah main && |
| test_commit shamkat && |
| git merge --allow-unrelated-histories khnum && |
| test_tick && |
| git rebase -f -r HEAD^ && |
| test_cmp_rev ! HEAD^2 khnum && |
| test_cmp_graph HEAD^.. <<-\EOF && |
| * Merge branch '\''khnum'\'' into asherah |
| |\ |
| | * yama |
| o shamkat |
| EOF |
| test_tick && |
| git rebase --rebase-merges=rebase-cousins HEAD^ && |
| test_cmp_graph HEAD^.. <<-\EOF |
| * Merge branch '\''khnum'\'' into asherah |
| |\ |
| | * yama |
| |/ |
| o shamkat |
| EOF |
| ' |
| |
| test_expect_success 'labels that are object IDs are rewritten' ' |
| git checkout -b third B && |
| test_commit I && |
| third=$(git rev-parse HEAD) && |
| git checkout -b labels main && |
| git merge --no-commit third && |
| test_tick && |
| git commit -m "Merge commit '\''$third'\'' into labels" && |
| echo noop >script-from-scratch && |
| test_config sequence.editor \""$PWD"/replace-editor.sh\" && |
| test_tick && |
| git rebase -i -r A && |
| grep "^label $third-" .git/ORIGINAL-TODO && |
| ! grep "^label $third$" .git/ORIGINAL-TODO |
| ' |
| |
| test_expect_success 'octopus merges' ' |
| git checkout -b three && |
| test_commit before-octopus && |
| test_commit three && |
| git checkout -b two HEAD^ && |
| test_commit two && |
| git checkout -b one HEAD^ && |
| test_commit one && |
| test_tick && |
| (GIT_AUTHOR_NAME="Hank" GIT_AUTHOR_EMAIL="hank@sea.world" \ |
| git merge -m "Tüntenfüsch" two three) && |
| |
| : fast forward if possible && |
| before="$(git rev-parse --verify HEAD)" && |
| test_tick && |
| git rebase -i -r HEAD^^ && |
| test_cmp_rev HEAD $before && |
| |
| test_tick && |
| git rebase -i --force-rebase -r HEAD^^ && |
| test "Hank" = "$(git show -s --format=%an HEAD)" && |
| test "$before" != $(git rev-parse HEAD) && |
| test_cmp_graph HEAD^^.. <<-\EOF |
| *-. Tüntenfüsch |
| |\ \ |
| | | * three |
| | * | two |
| | |/ |
| * / one |
| |/ |
| o before-octopus |
| EOF |
| ' |
| |
| test_expect_success 'with --autosquash and --exec' ' |
| git checkout -b with-exec H && |
| echo Booh >B.t && |
| test_tick && |
| git commit --fixup B B.t && |
| write_script show.sh <<-\EOF && |
| subject="$(git show -s --format=%s HEAD)" |
| content="$(git diff HEAD^ HEAD | tail -n 1)" |
| echo "$subject: $content" |
| EOF |
| test_tick && |
| git rebase -ir --autosquash --exec ./show.sh A >actual && |
| grep "B: +Booh" actual && |
| grep "E: +Booh" actual && |
| grep "G: +G" actual |
| ' |
| |
| test_expect_success '--continue after resolving conflicts after a merge' ' |
| git checkout -b already-has-g E && |
| git cherry-pick E..G && |
| test_commit H2 && |
| |
| git checkout -b conflicts-in-merge H && |
| test_commit H2 H2.t conflicts H2-conflict && |
| test_must_fail git rebase -r already-has-g && |
| grep conflicts H2.t && |
| echo resolved >H2.t && |
| git add -u && |
| git rebase --continue && |
| test_must_fail git rev-parse --verify HEAD^2 && |
| test_path_is_missing .git/MERGE_HEAD |
| ' |
| |
| test_expect_success '--rebase-merges with strategies' ' |
| git checkout -b with-a-strategy F && |
| test_tick && |
| git merge -m "Merge conflicting-G" conflicting-G && |
| |
| : first, test with a merge strategy option && |
| git rebase -ir -Xtheirs G && |
| echo conflicting-G >expect && |
| test_cmp expect G.t && |
| |
| : now, try with a merge strategy other than recursive && |
| git reset --hard @{1} && |
| write_script git-merge-override <<-\EOF && |
| echo overridden$1 >>G.t |
| git add G.t |
| EOF |
| PATH="$PWD:$PATH" git rebase -ir -s override -Xxopt G && |
| test_write_lines G overridden--xopt >expect && |
| test_cmp expect G.t |
| ' |
| |
| test_expect_success '--rebase-merges with commit that can generate bad characters for filename' ' |
| git checkout -b colon-in-label E && |
| git merge -m "colon: this should work" G && |
| git rebase --rebase-merges --force-rebase E |
| ' |
| |
| test_expect_success '--rebase-merges with message matched with onto label' ' |
| git checkout -b onto-label E && |
| git merge -m onto G && |
| git rebase --rebase-merges --force-rebase E && |
| test_cmp_graph <<-\EOF |
| * onto |
| |\ |
| | * G |
| | * F |
| * | E |
| |\ \ |
| | * | B |
| * | | D |
| | |/ |
| |/| |
| * | C |
| |/ |
| * A |
| EOF |
| ' |
| |
| test_done |