$ git clone -n https://src.fedoraproject.org/rpms/btrbk.git /var/lib/mock/f38-build-side-42-init-devel-436967-19127/root/chroot_tmpdir/scmroot/btrbk
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-436967-19127/root/chroot_tmpdir/scmroot/btrbk'...
$ git reset --hard 545215fe2367168a27d99f27b1389bc3254d2137
HEAD is now at 545215f Version 0.32.6 (RHBZ#2181762)