$ git clone -n https://src.fedoraproject.org/rpms/perl-FCGI.git /var/lib/mock/f40-build-2304121-56996/root/chroot_tmpdir/scmroot/perl-FCGI
Cloning into '/var/lib/mock/f40-build-2304121-56996/root/chroot_tmpdir/scmroot/perl-FCGI'...
$ git fetch origin d7015a2b214977e95618c5837ac7899a53dc2634:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-FCGI
 * [new ref]         d7015a2b214977e95618c5837ac7899a53dc2634 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7015a2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild