| #!/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 (master) |
| \ \ / |
| \ F - G (second) |
| \ |
| Conflicting-G |
| ' |
| . ./test-lib.sh |
| . "$TEST_DIRECTORY"/lib-rebase.sh |
| |
| test_cmp_graph () { |
| cat >expect && |
| git log --graph --boundary --format=%s "$@" >output && |
| sed "s/ *$//" <output >output.trimmed && |
| test_cmp expect output.trimmed |
| } |
| |
| test_expect_success 'setup' ' |
| write_script replace-editor.sh <<-\EOF && |
| mv "$1" "$(git rev-parse --git-path ORIGINAL-TODO)" |
| cp script-from-scratch "$1" |
| EOF |
| |
| test_commit A && |
| git checkout -b first && |
| test_commit B && |
| git checkout master && |
| test_commit C && |
| test_commit D && |
| git merge --no-commit B && |
| test_tick && |
| git commit -m E && |
| git tag -m E E && |
| git checkout -b second C && |
| test_commit F && |
| test_commit G && |
| git checkout master && |
| git merge --no-commit G && |
| test_tick && |
| git commit -m H && |
| git tag -m H H && |
| git checkout A && |
| test_commit conflicting-G G.t |
| ' |
| |
| test_expect_success 'create completely different structure' ' |
| cat >script-from-scratch <<-\EOF && |
| label onto |
| |
| # onebranch |
| pick G |
| pick D |
| label onebranch |
| |
| # second |
| reset onto |
| pick B |
| label second |
| |
| reset onto |
| merge -C H second |
| merge onebranch # Merge the topic branch '\''onebranch'\'' |
| EOF |
| test_config sequence.editor \""$PWD"/replace-editor.sh\" && |
| test_tick && |
| git rebase -i -r A master && |
| 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 d9df450 B |
| label E |
| |
| reset onto |
| pick 5dee784 C |
| label branch-point |
| pick ca2c861 F |
| pick 088b00a G |
| label H |
| |
| reset branch-point # C |
| pick 12bd07b D |
| merge -C 2051b56 E # E |
| merge -C 233d48a 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 \""$PWD"/replace-editor.sh\" && |
| test_must_fail git rebase -r HEAD && |
| git rebase --abort |
| ' |
| |
| test_expect_success 'failed `merge -C` writes patch (may be rescheduled, too)' ' |
| test_when_finished "test_might_fail git rebase --abort" && |
| git checkout -b conflicting-merge A && |
| |
| : fail because of conflicting untracked file && |
| >G.t && |
| echo "merge -C H G" >script-from-scratch && |
| test_config sequence.editor \""$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$" .git/rebase-merge/git-rebase-todo && |
| test_path_is_file .git/rebase-merge/patch |
| ' |
| |
| SQ="'" |
| test_expect_success 'failed `merge <branch>` does not crash' ' |
| test_when_finished "test_might_fail git rebase --abort" && |
| git checkout conflicting-G && |
| |
| echo "merge G" >script-from-scratch && |
| test_config sequence.editor \""$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}$" .git/rebase-merge/message |
| ' |
| |
| test_expect_success 'with a branch tip that was cherry-picked already' ' |
| git checkout -b already-upstream master && |
| base="$(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 $base && |
| test_tick && |
| git cherry-pick A2 && |
| |
| git checkout already-upstream && |
| test_tick && |
| git rebase -i -r upstream-with-a2 && |
| test_cmp_graph upstream-with-a2.. <<-\EOF |
| * Merge branch A |
| |\ |
| | * A1 |
| * | B1 |
| |/ |
| o A2 |
| EOF |
| ' |
| |
| test_expect_success 'do not rebase cousins unless asked for' ' |
| git checkout -b cousins master && |
| before="$(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 "$(cat wt/b)" |
| ' |
| |
| test_expect_success 'post-rewrite hook and fixups work for merges' ' |
| git checkout -b post-rewrite && |
| test_commit same1 && |
| git reset --hard HEAD^ && |
| test_commit same2 && |
| git merge -m "to fix up" same1 && |
| echo same old same old >same2.t && |
| test_tick && |
| git commit --fixup HEAD same2.t && |
| fixup="$(git rev-parse HEAD)" && |
| |
| mkdir -p .git/hooks && |
| test_when_finished "rm .git/hooks/post-rewrite" && |
| echo "cat >actual" | write_script .git/hooks/post-rewrite && |
| |
| 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 --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 $head |
| ' |
| |
| test_expect_success 'A root commit can be a cousin, treat it that way' ' |
| git checkout --orphan khnum && |
| test_commit yama && |
| git checkout -b asherah master && |
| test_commit shamkat && |
| git merge --allow-unrelated-histories khnum && |
| test_tick && |
| git rebase -f -r HEAD^ && |
| ! test_cmp_rev HEAD^2 khnum && |
| test_cmp_graph HEAD^.. <<-\EOF && |
| * Merge branch '\''khnum'\'' into asherah |
| |\ |
| | * yama |
| o shamkat |
| EOF |
| test_tick && |
| git rebase --rebase-merges=rebase-cousins HEAD^ && |
| test_cmp_graph HEAD^.. <<-\EOF |
| * Merge branch '\''khnum'\'' into asherah |
| |\ |
| | * yama |
| |/ |
| o shamkat |
| EOF |
| ' |
| |
| test_expect_success 'labels that are object IDs are rewritten' ' |
| git checkout -b third B && |
| test_commit I && |
| third=$(git rev-parse HEAD) && |
| git checkout -b labels master && |
| 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 $before && |
| |
| test_tick && |
| git rebase -i --force -r HEAD^^ && |
| test "Hank" = "$(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="$(git diff HEAD^! | tail -n 1)" |
| echo "$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_done |