$ git clone -n https://src.fedoraproject.org/rpms/gsm.git /var/lib/mock/f31-build-50474-27412/root/chroot_tmpdir/scmroot/gsm
Cloning into '/var/lib/mock/f31-build-50474-27412/root/chroot_tmpdir/scmroot/gsm'...
$ git reset --hard c77bb45f8c988a085bba828f0f442b2f6c9a38a6
HEAD is now at c77bb45 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild