$ git clone -n https://src.fedoraproject.org/rpms/cpr.git /var/lib/mock/f40-build-792368-138332/root/chroot_tmpdir/scmroot/cpr
Cloning into '/var/lib/mock/f40-build-792368-138332/root/chroot_tmpdir/scmroot/cpr'...
$ git fetch origin bd7e63bcfe17da96dedbe6a5c17092ed6493f939:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cpr
 * [new ref]         bd7e63bcfe17da96dedbe6a5c17092ed6493f939 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd7e63b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild