$ git clone -n https://src.fedoraproject.org/rpms/perl-CGI-Simple.git /var/lib/mock/f45-build-21992-589/root/chroot_tmpdir/scmroot/perl-CGI-Simple
Cloning into '/var/lib/mock/f45-build-21992-589/root/chroot_tmpdir/scmroot/perl-CGI-Simple'...
$ git fetch origin 572ef6b168d97c2f94246f9f83cc4b4c285fd884:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CGI-Simple
 * [new ref]         572ef6b168d97c2f94246f9f83cc4b4c285fd884 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 572ef6b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild