$ git clone -n https://src.fedoraproject.org/rpms/deletemail.git /var/lib/mock/f40-build-797620-141419/root/chroot_tmpdir/scmroot/deletemail
Cloning into '/var/lib/mock/f40-build-797620-141419/root/chroot_tmpdir/scmroot/deletemail'...
$ git fetch origin 3eee6e734553bc7672b4d9a64b1eea6ba0949f7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deletemail
 * [new ref]         3eee6e734553bc7672b4d9a64b1eea6ba0949f7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3eee6e7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild