$ git clone -n https://src.fedoraproject.org/rpms/perl-PPI-XS.git /var/lib/mock/f40-build-779199-130218/root/chroot_tmpdir/scmroot/perl-PPI-XS
Cloning into '/var/lib/mock/f40-build-779199-130218/root/chroot_tmpdir/scmroot/perl-PPI-XS'...
$ git fetch origin cec941e223e84255dd93a3ea528bae164722aa2b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PPI-XS
 * [new ref]         cec941e223e84255dd93a3ea528bae164722aa2b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cec941e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild