$ git clone -n https://src.fedoraproject.org/rpms/perl-File-Slurper.git /var/lib/mock/f40-build-2624258-65061/root/chroot_tmpdir/scmroot/perl-File-Slurper
Cloning into '/var/lib/mock/f40-build-2624258-65061/root/chroot_tmpdir/scmroot/perl-File-Slurper'...
$ git fetch origin cb39200c2ed223068d2f8f9364d53f82fdb8b663:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-File-Slurper
 * [new ref]         cb39200c2ed223068d2f8f9364d53f82fdb8b663 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb39200 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild