0cd993a778
"git rebase [-i] --root $tip" can now be used to rewrite all the history down to the root. * cw/rebase-i-root: t3404: make test 57 work with dash and others Add tests for rebase -i --root without --onto rebase -i: support --root without --onto
282 lines
6.2 KiB
Bash
Executable File
282 lines
6.2 KiB
Bash
Executable File
#!/bin/sh
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test_description='git rebase --root
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Tests if git rebase --root --onto <newparent> can rebase the root commit.
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'
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. ./test-lib.sh
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log_with_names () {
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git rev-list --topo-order --parents --pretty="tformat:%s" HEAD |
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git name-rev --stdin --name-only --refs=refs/heads/$1
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}
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test_expect_success 'prepare repository' '
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test_commit 1 A &&
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test_commit 2 A &&
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git symbolic-ref HEAD refs/heads/other &&
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rm .git/index &&
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test_commit 3 B &&
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test_commit 1b A 1 &&
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test_commit 4 B
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'
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test_expect_success 'rebase --root fails with too many args' '
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git checkout -B fail other &&
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test_must_fail git rebase --onto master --root fail fail
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'
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test_expect_success 'setup pre-rebase hook' '
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mkdir -p .git/hooks &&
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cat >.git/hooks/pre-rebase <<EOF &&
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#!$SHELL_PATH
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echo "\$1,\$2" >.git/PRE-REBASE-INPUT
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EOF
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chmod +x .git/hooks/pre-rebase
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'
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cat > expect <<EOF
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4
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3
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2
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1
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EOF
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test_expect_success 'rebase --root --onto <newbase>' '
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git checkout -b work other &&
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git rebase --root --onto master &&
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git log --pretty=tformat:"%s" > rebased &&
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test_cmp expect rebased
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'
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test_expect_success 'pre-rebase got correct input (1)' '
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test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,
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'
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test_expect_success 'rebase --root --onto <newbase> <branch>' '
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git branch work2 other &&
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git rebase --root --onto master work2 &&
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git log --pretty=tformat:"%s" > rebased2 &&
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test_cmp expect rebased2
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'
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test_expect_success 'pre-rebase got correct input (2)' '
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test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,work2
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'
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test_expect_success 'rebase -i --root --onto <newbase>' '
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git checkout -b work3 other &&
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git rebase -i --root --onto master &&
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git log --pretty=tformat:"%s" > rebased3 &&
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test_cmp expect rebased3
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'
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test_expect_success 'pre-rebase got correct input (3)' '
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test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,
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'
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test_expect_success 'rebase -i --root --onto <newbase> <branch>' '
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git branch work4 other &&
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git rebase -i --root --onto master work4 &&
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git log --pretty=tformat:"%s" > rebased4 &&
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test_cmp expect rebased4
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'
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test_expect_success 'pre-rebase got correct input (4)' '
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test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,work4
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'
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test_expect_success 'rebase -i -p with linear history' '
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git checkout -b work5 other &&
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git rebase -i -p --root --onto master &&
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git log --pretty=tformat:"%s" > rebased5 &&
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test_cmp expect rebased5
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'
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test_expect_success 'pre-rebase got correct input (5)' '
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test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,
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'
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test_expect_success 'set up merge history' '
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git checkout other^ &&
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git checkout -b side &&
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test_commit 5 C &&
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git checkout other &&
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git merge side
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'
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cat > expect-side <<'EOF'
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commit work6 work6~1 work6^2
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Merge branch 'side' into other
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commit work6^2 work6~2
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5
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commit work6~1 work6~2
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4
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commit work6~2 work6~3
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3
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commit work6~3 work6~4
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2
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commit work6~4
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1
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EOF
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test_expect_success 'rebase -i -p with merge' '
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git checkout -b work6 other &&
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git rebase -i -p --root --onto master &&
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log_with_names work6 > rebased6 &&
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test_cmp expect-side rebased6
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'
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test_expect_success 'set up second root and merge' '
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git symbolic-ref HEAD refs/heads/third &&
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rm .git/index &&
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rm A B C &&
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test_commit 6 D &&
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git checkout other &&
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git merge third
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'
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cat > expect-third <<'EOF'
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commit work7 work7~1 work7^2
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Merge branch 'third' into other
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commit work7^2 work7~4
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6
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commit work7~1 work7~2 work7~1^2
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Merge branch 'side' into other
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commit work7~1^2 work7~3
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5
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commit work7~2 work7~3
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4
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commit work7~3 work7~4
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3
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commit work7~4 work7~5
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2
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commit work7~5
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1
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EOF
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test_expect_success 'rebase -i -p with two roots' '
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git checkout -b work7 other &&
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git rebase -i -p --root --onto master &&
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log_with_names work7 > rebased7 &&
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test_cmp expect-third rebased7
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'
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test_expect_success 'setup pre-rebase hook that fails' '
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mkdir -p .git/hooks &&
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cat >.git/hooks/pre-rebase <<EOF &&
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#!$SHELL_PATH
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false
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EOF
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chmod +x .git/hooks/pre-rebase
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'
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test_expect_success 'pre-rebase hook stops rebase' '
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git checkout -b stops1 other &&
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test_must_fail git rebase --root --onto master &&
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test "z$(git symbolic-ref HEAD)" = zrefs/heads/stops1 &&
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test 0 = $(git rev-list other...stops1 | wc -l)
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'
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test_expect_success 'pre-rebase hook stops rebase -i' '
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git checkout -b stops2 other &&
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test_must_fail git rebase --root --onto master &&
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test "z$(git symbolic-ref HEAD)" = zrefs/heads/stops2 &&
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test 0 = $(git rev-list other...stops2 | wc -l)
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'
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test_expect_success 'remove pre-rebase hook' '
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rm -f .git/hooks/pre-rebase
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'
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test_expect_success 'set up a conflict' '
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git checkout master &&
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echo conflict > B &&
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git add B &&
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git commit -m conflict
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'
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test_expect_success 'rebase --root with conflict (first part)' '
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git checkout -b conflict1 other &&
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test_must_fail git rebase --root --onto master &&
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git ls-files -u | grep "B$"
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'
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test_expect_success 'fix the conflict' '
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echo 3 > B &&
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git add B
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'
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cat > expect-conflict <<EOF
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6
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5
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4
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3
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conflict
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2
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1
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EOF
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test_expect_success 'rebase --root with conflict (second part)' '
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git rebase --continue &&
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git log --pretty=tformat:"%s" > conflict1 &&
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test_cmp expect-conflict conflict1
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'
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test_expect_success 'rebase -i --root with conflict (first part)' '
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git checkout -b conflict2 other &&
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test_must_fail git rebase -i --root --onto master &&
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git ls-files -u | grep "B$"
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'
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test_expect_success 'fix the conflict' '
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echo 3 > B &&
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git add B
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'
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test_expect_success 'rebase -i --root with conflict (second part)' '
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git rebase --continue &&
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git log --pretty=tformat:"%s" > conflict2 &&
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test_cmp expect-conflict conflict2
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'
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cat >expect-conflict-p <<\EOF
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commit conflict3 conflict3~1 conflict3^2
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Merge branch 'third' into other
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commit conflict3^2 conflict3~4
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6
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commit conflict3~1 conflict3~2 conflict3~1^2
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Merge branch 'side' into other
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commit conflict3~1^2 conflict3~3
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5
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commit conflict3~2 conflict3~3
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4
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commit conflict3~3 conflict3~4
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3
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commit conflict3~4 conflict3~5
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conflict
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commit conflict3~5 conflict3~6
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2
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commit conflict3~6
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1
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EOF
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test_expect_success 'rebase -i -p --root with conflict (first part)' '
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git checkout -b conflict3 other &&
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test_must_fail git rebase -i -p --root --onto master &&
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git ls-files -u | grep "B$"
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'
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test_expect_success 'fix the conflict' '
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echo 3 > B &&
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git add B
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'
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test_expect_success 'rebase -i -p --root with conflict (second part)' '
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git rebase --continue &&
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log_with_names conflict3 >out &&
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test_cmp expect-conflict-p out
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'
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test_done
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