$ git clone -n https://src.fedoraproject.org/rpms/perl-Cairo.git /var/lib/mock/f42-build-876213-179677/root/chroot_tmpdir/scmroot/perl-Cairo
Cloning into '/var/lib/mock/f42-build-876213-179677/root/chroot_tmpdir/scmroot/perl-Cairo'...
$ git fetch origin 97a45b4adcc493a5fb862e207a2a9e850285f7bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Cairo
 * [new ref]         97a45b4adcc493a5fb862e207a2a9e850285f7bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97a45b4 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild