$ git clone -n https://src.fedoraproject.org/rpms/fotoxx.git /var/lib/mock/f31-build-52151-27621/root/chroot_tmpdir/scmroot/fotoxx
Cloning into '/var/lib/mock/f31-build-52151-27621/root/chroot_tmpdir/scmroot/fotoxx'...
$ git reset --hard d831665153e86e2e3f703b85d43f98dfb7c515a9
HEAD is now at d831665 19.12.