$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-GMP.git /var/lib/mock/f37-build-11530-1746/root/chroot_tmpdir/scmroot/perl-Math-GMP
Cloning into '/var/lib/mock/f37-build-11530-1746/root/chroot_tmpdir/scmroot/perl-Math-GMP'...
$ git reset --hard fbf0c1c720bc12fd8f3fac73658198ac4816c976
HEAD is now at fbf0c1c Package COPYING.LIB too; the LICENSE file references it