From: John Cai <johncai86@xxxxxxxxx>
These tests modify loose refs manually and are specific to the reffiles
backend. Move these to t0600 to be part of a test suite of reffiles
specific tests.
Signed-off-by: John Cai <johncai86@xxxxxxxxx>
---
t/t0600-reffiles-backend.sh | 263 +++++++++++++++++++++++++++++++++++
t/t1404-update-ref-errors.sh | 237 -------------------------------
2 files changed, 263 insertions(+), 237 deletions(-)
create mode 100755 t/t0600-reffiles-backend.sh
diff --git a/t/t0600-reffiles-backend.sh b/t/t0600-reffiles-backend.sh
new file mode 100755
index 00000000000..2f910bd76ad
--- /dev/null
+++ b/t/t0600-reffiles-backend.sh
@@ -0,0 +1,263 @@
+#!/bin/sh
+
+test_description='Test reffiles backend'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+if ! test_have_prereq REFFILES
+ then
+ skip_all='skipping reffiles specific tests'
+ test_done
+fi
+
+test_expect_success 'setup' '
+ git commit --allow-empty -m Initial &&
+ C=$(git rev-parse HEAD) &&
+ git commit --allow-empty -m Second &&
+ D=$(git rev-parse HEAD) &&
+ git commit --allow-empty -m Third &&
+ E=$(git rev-parse HEAD)
+'
+
+test_expect_success 'empty directory should not fool rev-parse' '
+ prefix=refs/e-rev-parse &&
+ git update-ref $prefix/foo $C &&
+ git pack-refs --all &&
+ mkdir -p .git/$prefix/foo/bar/baz &&
+ echo "$C" >expected &&
+ git rev-parse $prefix/foo >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'empty directory should not fool for-each-ref' '
+ prefix=refs/e-for-each-ref &&
+ git update-ref $prefix/foo $C &&
+ git for-each-ref $prefix >expected &&
+ git pack-refs --all &&
+ mkdir -p .git/$prefix/foo/bar/baz &&
+ git for-each-ref $prefix >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'empty directory should not fool create' '
+ prefix=refs/e-create &&
+ mkdir -p .git/$prefix/foo/bar/baz &&
+ printf "create %s $C\n" $prefix/foo |
+ git update-ref --stdin
+'
+
+test_expect_success 'empty directory should not fool verify' '
+ prefix=refs/e-verify &&
+ git update-ref $prefix/foo $C &&
+ git pack-refs --all &&
+ mkdir -p .git/$prefix/foo/bar/baz &&
+ printf "verify %s $C\n" $prefix/foo |
+ git update-ref --stdin
+'
+
+test_expect_success 'empty directory should not fool 1-arg update' '
+ prefix=refs/e-update-1 &&
+ git update-ref $prefix/foo $C &&
+ git pack-refs --all &&
+ mkdir -p .git/$prefix/foo/bar/baz &&
+ printf "update %s $D\n" $prefix/foo |
+ git update-ref --stdin
+'
+
+test_expect_success 'empty directory should not fool 2-arg update' '
+ prefix=refs/e-update-2 &&
+ git update-ref $prefix/foo $C &&
+ git pack-refs --all &&
+ mkdir -p .git/$prefix/foo/bar/baz &&
+ printf "update %s $D $C\n" $prefix/foo |
+ git update-ref --stdin
+'
+
+test_expect_success 'empty directory should not fool 0-arg delete' '
+ prefix=refs/e-delete-0 &&
+ git update-ref $prefix/foo $C &&
+ git pack-refs --all &&
+ mkdir -p .git/$prefix/foo/bar/baz &&
+ printf "delete %s\n" $prefix/foo |
+ git update-ref --stdin
+'
+
+test_expect_success 'empty directory should not fool 1-arg delete' '
+ prefix=refs/e-delete-1 &&
+ git update-ref $prefix/foo $C &&
+ git pack-refs --all &&
+ mkdir -p .git/$prefix/foo/bar/baz &&
+ printf "delete %s $C\n" $prefix/foo |
+ git update-ref --stdin
+'
+
+test_expect_success 'non-empty directory blocks create' '
+ prefix=refs/ne-create &&
+ mkdir -p .git/$prefix/foo/bar &&
+ : >.git/$prefix/foo/bar/baz.lock &&
+ test_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" &&
+ cat >expected <<-EOF &&
+ fatal: cannot lock ref $SQ$prefix/foo$SQ: there is a non-empty directory $SQ.git/$prefix/foo$SQ blocking reference $SQ$prefix/foo$SQ
+ EOF
+ printf "%s\n" "update $prefix/foo $C" |
+ test_must_fail git update-ref --stdin 2>output.err &&
+ test_cmp expected output.err &&
+ cat >expected <<-EOF &&
+ fatal: cannot lock ref $SQ$prefix/foo$SQ: unable to resolve reference $SQ$prefix/foo$SQ
+ EOF
+ printf "%s\n" "update $prefix/foo $D $C" |
+ test_must_fail git update-ref --stdin 2>output.err &&
+ test_cmp expected output.err
+'
+
+test_expect_success 'broken reference blocks create' '
+ prefix=refs/broken-create &&
+ mkdir -p .git/$prefix &&
+ echo "gobbledigook" >.git/$prefix/foo &&
+ test_when_finished "rm -f .git/$prefix/foo" &&
+ cat >expected <<-EOF &&
+ fatal: cannot lock ref $SQ$prefix/foo$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
+ EOF
+ printf "%s\n" "update $prefix/foo $C" |
+ test_must_fail git update-ref --stdin 2>output.err &&
+ test_cmp expected output.err &&
+ cat >expected <<-EOF &&
+ fatal: cannot lock ref $SQ$prefix/foo$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
+ EOF
+ printf "%s\n" "update $prefix/foo $D $C" |
+ test_must_fail git update-ref --stdin 2>output.err &&
+ test_cmp expected output.err
+'
+
+test_expect_success 'non-empty directory blocks indirect create' '
+ prefix=refs/ne-indirect-create &&
+ git symbolic-ref $prefix/symref $prefix/foo &&
+ mkdir -p .git/$prefix/foo/bar &&
+ : >.git/$prefix/foo/bar/baz.lock &&
+ test_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" &&
+ cat >expected <<-EOF &&
+ fatal: cannot lock ref $SQ$prefix/symref$SQ: there is a non-empty directory $SQ.git/$prefix/foo$SQ blocking reference $SQ$prefix/foo$SQ
+ EOF
+ printf "%s\n" "update $prefix/symref $C" |
+ test_must_fail git update-ref --stdin 2>output.err &&
+ test_cmp expected output.err &&
+ cat >expected <<-EOF &&
+ fatal: cannot lock ref $SQ$prefix/symref$SQ: unable to resolve reference $SQ$prefix/foo$SQ
+ EOF
+ printf "%s\n" "update $prefix/symref $D $C" |
+ test_must_fail git update-ref --stdin 2>output.err &&
+ test_cmp expected output.err
+'
+
+test_expect_success 'broken reference blocks indirect create' '
+ prefix=refs/broken-indirect-create &&
+ git symbolic-ref $prefix/symref $prefix/foo &&
+ echo "gobbledigook" >.git/$prefix/foo &&
+ test_when_finished "rm -f .git/$prefix/foo" &&
+ cat >expected <<-EOF &&
+ fatal: cannot lock ref $SQ$prefix/symref$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
+ EOF
+ printf "%s\n" "update $prefix/symref $C" |
+ test_must_fail git update-ref --stdin 2>output.err &&
+ test_cmp expected output.err &&
+ cat >expected <<-EOF &&
+ fatal: cannot lock ref $SQ$prefix/symref$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
+ EOF
+ printf "%s\n" "update $prefix/symref $D $C" |
+ test_must_fail git update-ref --stdin 2>output.err &&
+ test_cmp expected output.err
+'
+
+test_expect_success 'no bogus intermediate values during delete' '
+ prefix=refs/slow-transaction &&
+ # Set up a reference with differing loose and packed versions:
+ git update-ref $prefix/foo $C &&
+ git pack-refs --all &&
+ git update-ref $prefix/foo $D &&
+ # Now try to update the reference, but hold the `packed-refs` lock
+ # for a while to see what happens while the process is blocked:
+ : >.git/packed-refs.lock &&
+ test_when_finished "rm -f .git/packed-refs.lock" &&
+ {
+ # Note: the following command is intentionally run in the
+ # background. We increase the timeout so that `update-ref`
+ # attempts to acquire the `packed-refs` lock for much longer
+ # than it takes for us to do the check then delete it:
+ git -c core.packedrefstimeout=30000 update-ref -d $prefix/foo &
+ } &&
+ pid2=$! &&
+ # Give update-ref plenty of time to get to the point where it tries
+ # to lock packed-refs:
+ sleep 1 &&
+ # Make sure that update-ref did not complete despite the lock:
+ kill -0 $pid2 &&
+ # Verify that the reference still has its old value:
+ sha1=$(git rev-parse --verify --quiet $prefix/foo || echo undefined) &&
+ case "$sha1" in
+ $D)
+ # This is what we hope for; it means that nothing
+ # user-visible has changed yet.
+ : ;;
+ undefined)
+ # This is not correct; it means the deletion has happened
+ # already even though update-ref should not have been
+ # able to acquire the lock yet.
+ echo "$prefix/foo deleted prematurely" &&
+ break
+ ;;
+ $C)
+ # This value should never be seen. Probably the loose
+ # reference has been deleted but the packed reference
+ # is still there:
+ echo "$prefix/foo incorrectly observed to be C" &&
+ break
+ ;;
+ *)
+ # WTF?
+ echo "unexpected value observed for $prefix/foo: $sha1" &&
+ break
+ ;;
+ esac >out &&
+ rm -f .git/packed-refs.lock &&
+ wait $pid2 &&
+ test_must_be_empty out &&
+ test_must_fail git rev-parse --verify --quiet $prefix/foo
+'
+
+test_expect_success 'delete fails cleanly if packed-refs file is locked' '
+ prefix=refs/locked-packed-refs &&
+ # Set up a reference with differing loose and packed versions:
+ git update-ref $prefix/foo $C &&
+ git pack-refs --all &&
+ git update-ref $prefix/foo $D &&
+ git for-each-ref $prefix >unchanged &&
+ # Now try to delete it while the `packed-refs` lock is held:
+ : >.git/packed-refs.lock &&
+ test_when_finished "rm -f .git/packed-refs.lock" &&
+ test_must_fail git update-ref -d $prefix/foo >out 2>err &&
+ git for-each-ref $prefix >actual &&
+ test_grep "Unable to create $SQ.*packed-refs.lock$SQ: " err &&
+ test_cmp unchanged actual
+'
+
+test_expect_success 'delete fails cleanly if packed-refs.new write fails' '
+ # Setup and expectations are similar to the test above.
+ prefix=refs/failed-packed-refs &&
+ git update-ref $prefix/foo $C &&
+ git pack-refs --all &&
+ git update-ref $prefix/foo $D &&
+ git for-each-ref $prefix >unchanged &&
+ # This should not happen in practice, but it is an easy way to get a
+ # reliable error (we open with create_tempfile(), which uses O_EXCL).
+ : >.git/packed-refs.new &&
+ test_when_finished "rm -f .git/packed-refs.new" &&
+ test_must_fail git update-ref -d $prefix/foo &&
+ git for-each-ref $prefix >actual &&
+ test_cmp unchanged actual
+'
+
+test_done
diff --git a/t/t1404-update-ref-errors.sh b/t/t1404-update-ref-errors.sh
index 0369beea33b..00b70137053 100755
--- a/t/t1404-update-ref-errors.sh
+++ b/t/t1404-update-ref-errors.sh
@@ -191,78 +191,6 @@ test_expect_success 'one new ref is a simple prefix of another' '
'
-test_expect_success REFFILES 'empty directory should not fool rev-parse' '
- prefix=refs/e-rev-parse &&
- git update-ref $prefix/foo $C &&
- git pack-refs --all &&
- mkdir -p .git/$prefix/foo/bar/baz &&
- echo "$C" >expected &&
- git rev-parse $prefix/foo >actual &&
- test_cmp expected actual
-'
-
-test_expect_success REFFILES 'empty directory should not fool for-each-ref' '
- prefix=refs/e-for-each-ref &&
- git update-ref $prefix/foo $C &&
- git for-each-ref $prefix >expected &&
- git pack-refs --all &&
- mkdir -p .git/$prefix/foo/bar/baz &&
- git for-each-ref $prefix >actual &&
- test_cmp expected actual
-'
-
-test_expect_success REFFILES 'empty directory should not fool create' '
- prefix=refs/e-create &&
- mkdir -p .git/$prefix/foo/bar/baz &&
- printf "create %s $C\n" $prefix/foo |
- git update-ref --stdin
-'
-
-test_expect_success REFFILES 'empty directory should not fool verify' '
- prefix=refs/e-verify &&
- git update-ref $prefix/foo $C &&
- git pack-refs --all &&
- mkdir -p .git/$prefix/foo/bar/baz &&
- printf "verify %s $C\n" $prefix/foo |
- git update-ref --stdin
-'
-
-test_expect_success REFFILES 'empty directory should not fool 1-arg update' '
- prefix=refs/e-update-1 &&
- git update-ref $prefix/foo $C &&
- git pack-refs --all &&
- mkdir -p .git/$prefix/foo/bar/baz &&
- printf "update %s $D\n" $prefix/foo |
- git update-ref --stdin
-'
-
-test_expect_success REFFILES 'empty directory should not fool 2-arg update' '
- prefix=refs/e-update-2 &&
- git update-ref $prefix/foo $C &&
- git pack-refs --all &&
- mkdir -p .git/$prefix/foo/bar/baz &&
- printf "update %s $D $C\n" $prefix/foo |
- git update-ref --stdin
-'
-
-test_expect_success REFFILES 'empty directory should not fool 0-arg delete' '
- prefix=refs/e-delete-0 &&
- git update-ref $prefix/foo $C &&
- git pack-refs --all &&
- mkdir -p .git/$prefix/foo/bar/baz &&
- printf "delete %s\n" $prefix/foo |
- git update-ref --stdin
-'
-
-test_expect_success REFFILES 'empty directory should not fool 1-arg delete' '
- prefix=refs/e-delete-1 &&
- git update-ref $prefix/foo $C &&
- git pack-refs --all &&
- mkdir -p .git/$prefix/foo/bar/baz &&
- printf "delete %s $C\n" $prefix/foo |
- git update-ref --stdin
-'
-
test_expect_success REFFILES 'D/F conflict prevents add long + delete short' '
df_test refs/df-al-ds --add-del foo/bar foo
'
@@ -468,169 +396,4 @@ test_expect_success 'incorrect old value blocks indirect no-deref delete' '
test_cmp expected output.err
'
-test_expect_success REFFILES 'non-empty directory blocks create' '
- prefix=refs/ne-create &&
- mkdir -p .git/$prefix/foo/bar &&
- : >.git/$prefix/foo/bar/baz.lock &&
- test_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" &&
- cat >expected <<-EOF &&
- fatal: cannot lock ref $SQ$prefix/foo$SQ: there is a non-empty directory $SQ.git/$prefix/foo$SQ blocking reference $SQ$prefix/foo$SQ
- EOF
- printf "%s\n" "update $prefix/foo $C" |
- test_must_fail git update-ref --stdin 2>output.err &&
- test_cmp expected output.err &&
- cat >expected <<-EOF &&
- fatal: cannot lock ref $SQ$prefix/foo$SQ: unable to resolve reference $SQ$prefix/foo$SQ
- EOF
- printf "%s\n" "update $prefix/foo $D $C" |
- test_must_fail git update-ref --stdin 2>output.err &&
- test_cmp expected output.err
-'
-
-test_expect_success REFFILES 'broken reference blocks create' '
- prefix=refs/broken-create &&
- mkdir -p .git/$prefix &&
- echo "gobbledigook" >.git/$prefix/foo &&
- test_when_finished "rm -f .git/$prefix/foo" &&
- cat >expected <<-EOF &&
- fatal: cannot lock ref $SQ$prefix/foo$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
- EOF
- printf "%s\n" "update $prefix/foo $C" |
- test_must_fail git update-ref --stdin 2>output.err &&
- test_cmp expected output.err &&
- cat >expected <<-EOF &&
- fatal: cannot lock ref $SQ$prefix/foo$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
- EOF
- printf "%s\n" "update $prefix/foo $D $C" |
- test_must_fail git update-ref --stdin 2>output.err &&
- test_cmp expected output.err
-'
-
-test_expect_success REFFILES 'non-empty directory blocks indirect create' '
- prefix=refs/ne-indirect-create &&
- git symbolic-ref $prefix/symref $prefix/foo &&
- mkdir -p .git/$prefix/foo/bar &&
- : >.git/$prefix/foo/bar/baz.lock &&
- test_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" &&
- cat >expected <<-EOF &&
- fatal: cannot lock ref $SQ$prefix/symref$SQ: there is a non-empty directory $SQ.git/$prefix/foo$SQ blocking reference $SQ$prefix/foo$SQ
- EOF
- printf "%s\n" "update $prefix/symref $C" |
- test_must_fail git update-ref --stdin 2>output.err &&
- test_cmp expected output.err &&
- cat >expected <<-EOF &&
- fatal: cannot lock ref $SQ$prefix/symref$SQ: unable to resolve reference $SQ$prefix/foo$SQ
- EOF
- printf "%s\n" "update $prefix/symref $D $C" |
- test_must_fail git update-ref --stdin 2>output.err &&
- test_cmp expected output.err
-'
-
-test_expect_success REFFILES 'broken reference blocks indirect create' '
- prefix=refs/broken-indirect-create &&
- git symbolic-ref $prefix/symref $prefix/foo &&
- echo "gobbledigook" >.git/$prefix/foo &&
- test_when_finished "rm -f .git/$prefix/foo" &&
- cat >expected <<-EOF &&
- fatal: cannot lock ref $SQ$prefix/symref$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
- EOF
- printf "%s\n" "update $prefix/symref $C" |
- test_must_fail git update-ref --stdin 2>output.err &&
- test_cmp expected output.err &&
- cat >expected <<-EOF &&
- fatal: cannot lock ref $SQ$prefix/symref$SQ: unable to resolve reference $SQ$prefix/foo$SQ: reference broken
- EOF
- printf "%s\n" "update $prefix/symref $D $C" |
- test_must_fail git update-ref --stdin 2>output.err &&
- test_cmp expected output.err
-'
-
-test_expect_success REFFILES 'no bogus intermediate values during delete' '
- prefix=refs/slow-transaction &&
- # Set up a reference with differing loose and packed versions:
- git update-ref $prefix/foo $C &&
- git pack-refs --all &&
- git update-ref $prefix/foo $D &&
- # Now try to update the reference, but hold the `packed-refs` lock
- # for a while to see what happens while the process is blocked:
- : >.git/packed-refs.lock &&
- test_when_finished "rm -f .git/packed-refs.lock" &&
- {
- # Note: the following command is intentionally run in the
- # background. We increase the timeout so that `update-ref`
- # attempts to acquire the `packed-refs` lock for much longer
- # than it takes for us to do the check then delete it:
- git -c core.packedrefstimeout=30000 update-ref -d $prefix/foo &
- } &&
- pid2=$! &&
- # Give update-ref plenty of time to get to the point where it tries
- # to lock packed-refs:
- sleep 1 &&
- # Make sure that update-ref did not complete despite the lock:
- kill -0 $pid2 &&
- # Verify that the reference still has its old value:
- sha1=$(git rev-parse --verify --quiet $prefix/foo || echo undefined) &&
- case "$sha1" in
- $D)
- # This is what we hope for; it means that nothing
- # user-visible has changed yet.
- : ;;
- undefined)
- # This is not correct; it means the deletion has happened
- # already even though update-ref should not have been
- # able to acquire the lock yet.
- echo "$prefix/foo deleted prematurely" &&
- break
- ;;
- $C)
- # This value should never be seen. Probably the loose
- # reference has been deleted but the packed reference
- # is still there:
- echo "$prefix/foo incorrectly observed to be C" &&
- break
- ;;
- *)
- # WTF?
- echo "unexpected value observed for $prefix/foo: $sha1" &&
- break
- ;;
- esac >out &&
- rm -f .git/packed-refs.lock &&
- wait $pid2 &&
- test_must_be_empty out &&
- test_must_fail git rev-parse --verify --quiet $prefix/foo
-'
-
-test_expect_success REFFILES 'delete fails cleanly if packed-refs file is locked' '
- prefix=refs/locked-packed-refs &&
- # Set up a reference with differing loose and packed versions:
- git update-ref $prefix/foo $C &&
- git pack-refs --all &&
- git update-ref $prefix/foo $D &&
- git for-each-ref $prefix >unchanged &&
- # Now try to delete it while the `packed-refs` lock is held:
- : >.git/packed-refs.lock &&
- test_when_finished "rm -f .git/packed-refs.lock" &&
- test_must_fail git update-ref -d $prefix/foo >out 2>err &&
- git for-each-ref $prefix >actual &&
- test_grep "Unable to create $SQ.*packed-refs.lock$SQ: " err &&
- test_cmp unchanged actual
-'
-
-test_expect_success REFFILES 'delete fails cleanly if packed-refs.new write fails' '
- # Setup and expectations are similar to the test above.
- prefix=refs/failed-packed-refs &&
- git update-ref $prefix/foo $C &&
- git pack-refs --all &&
- git update-ref $prefix/foo $D &&
- git for-each-ref $prefix >unchanged &&
- # This should not happen in practice, but it is an easy way to get a
- # reliable error (we open with create_tempfile(), which uses O_EXCL).
- : >.git/packed-refs.new &&
- test_when_finished "rm -f .git/packed-refs.new" &&
- test_must_fail git update-ref -d $prefix/foo &&
- git for-each-ref $prefix >actual &&
- test_cmp unchanged actual
-'
-
test_done
--
gitgitgadget
