$ git clone -n https://src.fedoraproject.org/rpms/systemd.git /var/lib/mock/f37-build-side-32-misc-devel-141178-8774/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-141178-8774/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard 3a7d59248d27f06cb1ec2552a2ff79a00344b0ba
HEAD is now at 3a7d592 Version 251.9