$ git clone -n https://src.fedoraproject.org/rpms/gcr.git /var/lib/mock/f31-build-93002-32392/root/chroot_tmpdir/scmroot/gcr
Cloning into '/var/lib/mock/f31-build-93002-32392/root/chroot_tmpdir/scmroot/gcr'...
$ git reset --hard b750c557a98a6e77ba9a9a4b76a378d4cdf60232
HEAD is now at b750c55 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild