$ git clone -n https://src.fedoraproject.org/rpms/eom.git /var/lib/mock/f39-build-1536421-36311/root/chroot_tmpdir/scmroot/eom
Cloning into '/var/lib/mock/f39-build-1536421-36311/root/chroot_tmpdir/scmroot/eom'...
$ git fetch origin 120a9eac782525d0ed12c72012d1ff8ea578c97f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eom
 * [new ref]         120a9eac782525d0ed12c72012d1ff8ea578c97f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 120a9ea Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild