$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-BigInt-FastCalc.git /var/lib/mock/f40-build-772344-126392/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc
Cloning into '/var/lib/mock/f40-build-772344-126392/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc'...
$ git reset --hard 1f8e9f56aba95b39429ab9b5d57d58739e40e6db
HEAD is now at 1f8e9f5 0.5017 bump (rhbz#2256784)