From: Omar Sandoval <osandov@xxxxxx> This test case is the reproducer for the previous fix. Signed-off-by: Omar Sandoval <osandov@xxxxxx> --- .../test.sh | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100755 tests/misc-tests/038-receive-clone-from-current-subvolume/test.sh diff --git a/tests/misc-tests/038-receive-clone-from-current-subvolume/test.sh b/tests/misc-tests/038-receive-clone-from-current-subvolume/test.sh new file mode 100755 index 00000000..be648605 --- /dev/null +++ b/tests/misc-tests/038-receive-clone-from-current-subvolume/test.sh @@ -0,0 +1,34 @@ +#!/bin/bash +# Test that when receiving a subvolume whose received UUID already exists in +# the filesystem, we clone from the correct source (the subvolume that we are +# receiving, not the existing subvolume). This is a regression test for +# "btrfs-progs: receive: don't lookup clone root for received subvolume". + +source "$TEST_TOP/common" + +check_prereq btrfs +check_prereq mkfs.btrfs + +setup_root_helper + +rm -f disk +run_check truncate -s 1G disk +chmod a+w disk +run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f disk +run_check $SUDO_HELPER mount -o loop disk "$TEST_MNT" + +run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$TEST_MNT/subvol" +run_check $SUDO_HELPER dd if=/dev/urandom of="$TEST_MNT/subvol/foo" \ + bs=1M count=1 status=none +run_check $SUDO_HELPER cp --reflink "$TEST_MNT/subvol/foo" "$TEST_MNT/subvol/bar" +run_check $SUDO_HELPER mkdir "$TEST_MNT/subvol/dir" +run_check $SUDO_HELPER mv "$TEST_MNT/subvol/foo" "$TEST_MNT/subvol/dir" +run_check $SUDO_HELPER "$TOP/btrfs" property set "$TEST_MNT/subvol" ro true +run_check $SUDO_HELPER "$TOP/btrfs" send -f send.data "$TEST_MNT/subvol" + +run_check $SUDO_HELPER mkdir "$TEST_MNT/first" "$TEST_MNT/second" +run_check $SUDO_HELPER "$TOP/btrfs" receive -f send.data "$TEST_MNT/first" +run_check $SUDO_HELPER "$TOP/btrfs" receive -f send.data "$TEST_MNT/second" + +run_check $SUDO_HELPER umount "$TEST_MNT" +rm -f disk send.data -- 2.22.0
