$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-Cover.git /var/lib/mock/f40-build-778239-129828/root/chroot_tmpdir/scmroot/perl-Devel-Cover
Cloning into '/var/lib/mock/f40-build-778239-129828/root/chroot_tmpdir/scmroot/perl-Devel-Cover'...
$ git fetch origin 96e6247f3aa1957d1e278126a66a243b47696d86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Devel-Cover
 * [new ref]         96e6247f3aa1957d1e278126a66a243b47696d86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96e6247 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild