$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Factor-XS.git /var/lib/mock/f31-build-46446-26554/root/chroot_tmpdir/scmroot/perl-Math-Factor-XS
Cloning into '/var/lib/mock/f31-build-46446-26554/root/chroot_tmpdir/scmroot/perl-Math-Factor-XS'...
$ git reset --hard 93afc4cb38c5dcce28acdf6cd029bc6dd6e9cc00
HEAD is now at 93afc4c Perl 5.30 rebuild