$ git clone -n https://src.fedoraproject.org/rpms/ptrash.git /var/lib/mock/f40-build-790736-136817/root/chroot_tmpdir/scmroot/ptrash
Cloning into '/var/lib/mock/f40-build-790736-136817/root/chroot_tmpdir/scmroot/ptrash'...
$ git fetch origin ef07e4d5f29df0a6ce8ab02ffa06a5ea46433d9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ptrash
 * [new ref]         ef07e4d5f29df0a6ce8ab02ffa06a5ea46433d9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef07e4d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild