244 lines
7.5 KiB
Bash
Executable File
244 lines
7.5 KiB
Bash
Executable File
#!/bin/sh
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test_description='migration of ref storage backends'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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test_migration () {
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git -C "$1" for-each-ref --include-root-refs \
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--format='%(refname) %(objectname) %(symref)' >expect &&
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git -C "$1" refs migrate --ref-format="$2" &&
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git -C "$1" for-each-ref --include-root-refs \
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--format='%(refname) %(objectname) %(symref)' >actual &&
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test_cmp expect actual &&
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git -C "$1" rev-parse --show-ref-format >actual &&
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echo "$2" >expect &&
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test_cmp expect actual
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}
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test_expect_success 'setup' '
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rm -rf .git &&
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# The migration does not yet support reflogs.
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git config --global core.logAllRefUpdates false
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'
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test_expect_success "superfluous arguments" '
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test_when_finished "rm -rf repo" &&
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git init repo &&
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test_must_fail git -C repo refs migrate foo 2>err &&
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cat >expect <<-EOF &&
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usage: too many arguments
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EOF
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test_cmp expect err
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'
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test_expect_success "missing ref storage format" '
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test_when_finished "rm -rf repo" &&
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git init repo &&
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test_must_fail git -C repo refs migrate 2>err &&
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cat >expect <<-EOF &&
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usage: missing --ref-format=<format>
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EOF
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test_cmp expect err
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'
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test_expect_success "unknown ref storage format" '
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test_when_finished "rm -rf repo" &&
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git init repo &&
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test_must_fail git -C repo refs migrate \
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--ref-format=unknown 2>err &&
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cat >expect <<-EOF &&
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error: unknown ref storage format ${SQ}unknown${SQ}
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EOF
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test_cmp expect err
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'
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ref_formats="files reftable"
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for from_format in $ref_formats
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do
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for to_format in $ref_formats
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do
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if test "$from_format" = "$to_format"
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then
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continue
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fi
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test_expect_success "$from_format: migration to same format fails" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_must_fail git -C repo refs migrate \
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--ref-format=$from_format 2>err &&
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cat >expect <<-EOF &&
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error: repository already uses ${SQ}$from_format${SQ} format
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EOF
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test_cmp expect err
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'
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test_expect_success "$from_format -> $to_format: migration with reflog fails" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_config -C repo core.logAllRefUpdates true &&
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test_commit -C repo logged &&
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test_must_fail git -C repo refs migrate \
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--ref-format=$to_format 2>err &&
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cat >expect <<-EOF &&
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error: migrating reflogs is not supported yet
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EOF
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test_cmp expect err
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'
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test_expect_success "$from_format -> $to_format: migration with worktree fails" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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git -C repo worktree add wt &&
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test_must_fail git -C repo refs migrate \
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--ref-format=$to_format 2>err &&
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cat >expect <<-EOF &&
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error: migrating repositories with worktrees is not supported yet
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EOF
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test_cmp expect err
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'
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test_expect_success "$from_format -> $to_format: unborn HEAD" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_migration repo "$to_format"
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'
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test_expect_success "$from_format -> $to_format: single ref" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_commit -C repo initial &&
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test_migration repo "$to_format"
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'
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test_expect_success "$from_format -> $to_format: bare repository" '
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test_when_finished "rm -rf repo repo.git" &&
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git init --ref-format=$from_format repo &&
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test_commit -C repo initial &&
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git clone --ref-format=$from_format --mirror repo repo.git &&
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test_migration repo.git "$to_format"
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'
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test_expect_success "$from_format -> $to_format: dangling symref" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_commit -C repo initial &&
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git -C repo symbolic-ref BROKEN_HEAD refs/heads/nonexistent &&
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test_migration repo "$to_format" &&
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echo refs/heads/nonexistent >expect &&
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git -C repo symbolic-ref BROKEN_HEAD >actual &&
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test_cmp expect actual
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'
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test_expect_success "$from_format -> $to_format: broken ref" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_commit -C repo initial &&
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test-tool -C repo ref-store main update-ref "" refs/heads/broken \
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"$(test_oid 001)" "$ZERO_OID" REF_SKIP_CREATE_REFLOG,REF_SKIP_OID_VERIFICATION &&
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test_migration repo "$to_format" &&
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test_oid 001 >expect &&
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git -C repo rev-parse refs/heads/broken >actual &&
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test_cmp expect actual
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'
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test_expect_success "$from_format -> $to_format: pseudo-refs" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_commit -C repo initial &&
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git -C repo update-ref FOO_HEAD HEAD &&
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test_migration repo "$to_format"
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'
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test_expect_success "$from_format -> $to_format: special refs are left alone" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_commit -C repo initial &&
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git -C repo rev-parse HEAD >repo/.git/MERGE_HEAD &&
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git -C repo rev-parse MERGE_HEAD &&
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test_migration repo "$to_format" &&
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test_path_is_file repo/.git/MERGE_HEAD
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'
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test_expect_success "$from_format -> $to_format: a bunch of refs" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_commit -C repo initial &&
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cat >input <<-EOF &&
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create FOO_HEAD HEAD
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create refs/heads/branch-1 HEAD
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create refs/heads/branch-2 HEAD
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create refs/heads/branch-3 HEAD
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create refs/heads/branch-4 HEAD
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create refs/tags/tag-1 HEAD
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create refs/tags/tag-2 HEAD
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EOF
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git -C repo update-ref --stdin <input &&
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test_migration repo "$to_format"
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'
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test_expect_success "$from_format -> $to_format: dry-run migration does not modify repository" '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=$from_format repo &&
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test_commit -C repo initial &&
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git -C repo refs migrate --dry-run \
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--ref-format=$to_format >output &&
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grep "Finished dry-run migration of refs" output &&
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test_path_is_dir repo/.git/ref_migration.* &&
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echo $from_format >expect &&
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git -C repo rev-parse --show-ref-format >actual &&
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test_cmp expect actual
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'
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done
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done
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test_expect_success 'migrating from files format deletes backend files' '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=files repo &&
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test_commit -C repo first &&
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git -C repo pack-refs --all &&
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test_commit -C repo second &&
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git -C repo update-ref ORIG_HEAD HEAD &&
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git -C repo rev-parse HEAD >repo/.git/FETCH_HEAD &&
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test_path_is_file repo/.git/HEAD &&
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test_path_is_file repo/.git/ORIG_HEAD &&
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test_path_is_file repo/.git/refs/heads/main &&
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test_path_is_file repo/.git/packed-refs &&
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test_migration repo reftable &&
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echo "ref: refs/heads/.invalid" >expect &&
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test_cmp expect repo/.git/HEAD &&
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echo "this repository uses the reftable format" >expect &&
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test_cmp expect repo/.git/refs/heads &&
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test_path_is_file repo/.git/FETCH_HEAD &&
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test_path_is_missing repo/.git/ORIG_HEAD &&
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test_path_is_missing repo/.git/refs/heads/main &&
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test_path_is_missing repo/.git/logs &&
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test_path_is_missing repo/.git/packed-refs
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'
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test_expect_success 'migrating from reftable format deletes backend files' '
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test_when_finished "rm -rf repo" &&
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git init --ref-format=reftable repo &&
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test_commit -C repo first &&
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test_path_is_dir repo/.git/reftable &&
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test_migration repo files &&
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test_path_is_missing repo/.git/reftable &&
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echo "ref: refs/heads/main" >expect &&
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test_cmp expect repo/.git/HEAD &&
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test_path_is_file repo/.git/refs/heads/main
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'
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test_done
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