$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Deep.git /var/lib/mock/f40-build-2021279-46702/root/chroot_tmpdir/scmroot/perl-Test-Deep
Cloning into '/var/lib/mock/f40-build-2021279-46702/root/chroot_tmpdir/scmroot/perl-Test-Deep'...
$ git fetch origin 0f3cce4d515915b8d0937c237ba2b1b830d3cee5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Deep
 * [new ref]         0f3cce4d515915b8d0937c237ba2b1b830d3cee5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f3cce4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild