$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-Load-XS.git /var/lib/mock/f42-build-876225-179677/root/chroot_tmpdir/scmroot/perl-Class-Load-XS
Cloning into '/var/lib/mock/f42-build-876225-179677/root/chroot_tmpdir/scmroot/perl-Class-Load-XS'...
$ git fetch origin 105608cd9b2106ba55fbc41cdc76169dadaceed9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-Load-XS
 * [new ref]         105608cd9b2106ba55fbc41cdc76169dadaceed9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 105608c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild