$ git clone -n https://src.fedoraproject.org/rpms/scl-utils.git /var/lib/mock/f31-build-44036-25853/root/thebuilddir/tmp/scmroot/scl-utils
Cloning into '/var/lib/mock/f31-build-44036-25853/root/thebuilddir/tmp/scmroot/scl-utils'...
$ git reset --hard 90ee640d3936d816d95b1fb6af3e84cd4453573e
HEAD is now at 90ee640 Rebuild for RPM 4.15