$ git clone -n https://src.fedoraproject.org/rpms/btrfs-progs.git /var/lib/mock/f32-build-119995-36894/root/chroot_tmpdir/scmroot/btrfs-progs
Cloning into '/var/lib/mock/f32-build-119995-36894/root/chroot_tmpdir/scmroot/btrfs-progs'...
$ git reset --hard d42bd7ff933fdb16c99488651e4eedb96300866e
HEAD is now at d42bd7f New upstream v5.4