$ git clone -n https://src.fedoraproject.org/rpms/rubygem-pam.git /var/lib/mock/f31-build-52746-27735/root/chroot_tmpdir/scmroot/rubygem-pam
Cloning into '/var/lib/mock/f31-build-52746-27735/root/chroot_tmpdir/scmroot/rubygem-pam'...
$ git reset --hard 78dc365221d64f5357e59e5a571efcbe18519d24
HEAD is now at 78dc365 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild