$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Extract.git /var/lib/mock/f45-build-24769-606/root/chroot_tmpdir/scmroot/perl-Module-Extract
Cloning into '/var/lib/mock/f45-build-24769-606/root/chroot_tmpdir/scmroot/perl-Module-Extract'...
$ git fetch origin ff2ab27867a2929dd2cdf23cb455437b25572b3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Extract
 * [new ref]         ff2ab27867a2929dd2cdf23cb455437b25572b3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff2ab27 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild