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587947750b
This new feature allows a rebase to be executed on a dirty worktree or
index. It works by creating a temporary "dangling merge commit" out
of the worktree and index changes (via 'git stash create'), and
automatically applying it after a successful rebase or abort.
rebase stores the SHA-1 hex of the temporary merge commit, along with
the rest of the rebase state, in either
.git/{rebase-merge,rebase-apply}/autostash depending on the kind of
rebase. Since $state_dir is automatically removed at the end of a
successful rebase or abort, so is the autostash.
The advantage of this approach is that we do not affect the normal
stash's reflogs, making the autostash invisible to the end-user. This
means that you can use 'git stash' during a rebase as usual.
When the autostash application results in a conflict, we push
$state_dir/autostash onto the normal stash and remove $state_dir
ending the rebase. The user can inspect the stash, and pop or drop at
any time.
Most significantly, this feature means that a caller like pull (with
pull.rebase set to true) can easily be patched to remove the
require_clean_work_tree restriction.
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
149 lines
4.2 KiB
Bash
Executable file
149 lines
4.2 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2013 Ramkumar Ramachandra
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#
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test_description='git rebase --autostash tests'
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. ./test-lib.sh
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test_expect_success setup '
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echo hello-world >file0 &&
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git add . &&
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test_tick &&
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git commit -m "initial commit" &&
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git checkout -b feature-branch &&
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echo another-hello >file1 &&
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echo goodbye >file2 &&
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git add . &&
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test_tick &&
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git commit -m "second commit" &&
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echo final-goodbye >file3 &&
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git add . &&
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test_tick &&
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git commit -m "third commit" &&
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git checkout -b unrelated-onto-branch master &&
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echo unrelated >file4 &&
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git add . &&
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test_tick &&
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git commit -m "unrelated commit" &&
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git checkout -b related-onto-branch master &&
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echo conflicting-change >file2 &&
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git add . &&
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test_tick &&
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git commit -m "related commit"
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'
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testrebase() {
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type=$1
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dotest=$2
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test_expect_success "rebase$type: dirty worktree, non-conflicting rebase" '
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test_config rebase.autostash true &&
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git reset --hard &&
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git checkout -b rebased-feature-branch feature-branch &&
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test_when_finished git branch -D rebased-feature-branch &&
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echo dirty >>file3 &&
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git rebase$type unrelated-onto-branch &&
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grep unrelated file4 &&
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grep dirty file3 &&
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git checkout feature-branch
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'
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test_expect_success "rebase$type: dirty index, non-conflicting rebase" '
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test_config rebase.autostash true &&
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git reset --hard &&
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git checkout -b rebased-feature-branch feature-branch &&
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test_when_finished git branch -D rebased-feature-branch &&
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echo dirty >>file3 &&
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git add file3 &&
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git rebase$type unrelated-onto-branch &&
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grep unrelated file4 &&
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grep dirty file3 &&
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git checkout feature-branch
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'
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test_expect_success "rebase$type: conflicting rebase" '
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test_config rebase.autostash true &&
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git reset --hard &&
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git checkout -b rebased-feature-branch feature-branch &&
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test_when_finished git branch -D rebased-feature-branch &&
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echo dirty >>file3 &&
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test_must_fail git rebase$type related-onto-branch &&
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test_path_is_file $dotest/autostash &&
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! grep dirty file3 &&
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rm -rf $dotest &&
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git reset --hard &&
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git checkout feature-branch
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'
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test_expect_success "rebase$type: --continue" '
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test_config rebase.autostash true &&
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git reset --hard &&
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git checkout -b rebased-feature-branch feature-branch &&
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test_when_finished git branch -D rebased-feature-branch &&
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echo dirty >>file3 &&
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test_must_fail git rebase$type related-onto-branch &&
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test_path_is_file $dotest/autostash &&
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! grep dirty file3 &&
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echo "conflicting-plus-goodbye" >file2 &&
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git add file2 &&
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git rebase --continue &&
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test_path_is_missing $dotest/autostash &&
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grep dirty file3 &&
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git checkout feature-branch
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'
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test_expect_success "rebase$type: --skip" '
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test_config rebase.autostash true &&
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git reset --hard &&
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git checkout -b rebased-feature-branch feature-branch &&
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test_when_finished git branch -D rebased-feature-branch &&
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echo dirty >>file3 &&
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test_must_fail git rebase$type related-onto-branch &&
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test_path_is_file $dotest/autostash &&
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! grep dirty file3 &&
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git rebase --skip &&
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test_path_is_missing $dotest/autostash &&
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grep dirty file3 &&
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git checkout feature-branch
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'
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test_expect_success "rebase$type: --abort" '
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test_config rebase.autostash true &&
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git reset --hard &&
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git checkout -b rebased-feature-branch feature-branch &&
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test_when_finished git branch -D rebased-feature-branch &&
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echo dirty >>file3 &&
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test_must_fail git rebase$type related-onto-branch &&
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test_path_is_file $dotest/autostash &&
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! grep dirty file3 &&
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git rebase --abort &&
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test_path_is_missing $dotest/autostash &&
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grep dirty file3 &&
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git checkout feature-branch
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'
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test_expect_success "rebase$type: non-conflicting rebase, conflicting stash" '
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test_config rebase.autostash true &&
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git reset --hard &&
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git checkout -b rebased-feature-branch feature-branch &&
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test_when_finished git branch -D rebased-feature-branch &&
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echo dirty >file4 &&
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git add file4 &&
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git rebase$type unrelated-onto-branch &&
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test_path_is_missing $dotest &&
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git reset --hard &&
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grep unrelated file4 &&
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! grep dirty file4 &&
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git checkout feature-branch &&
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git stash pop &&
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grep dirty file4
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'
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}
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testrebase "" .git/rebase-apply
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testrebase " --merge" .git/rebase-merge
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testrebase " --interactive" .git/rebase-merge
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test_done
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