$ git clone -n https://src.fedoraproject.org/rpms/mach.git /var/lib/mock/f31-build-49773-27344/root/chroot_tmpdir/scmroot/mach
Cloning into '/var/lib/mock/f31-build-49773-27344/root/chroot_tmpdir/scmroot/mach'...
$ git reset --hard 6dc22307400b3f219d9078a33c9013b6056a54e6
HEAD is now at 6dc2230 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild