$ git clone -n https://src.fedoraproject.org/rpms/echolinux.git /var/lib/mock/f41-build-852544-166397/root/chroot_tmpdir/scmroot/echolinux
Cloning into '/var/lib/mock/f41-build-852544-166397/root/chroot_tmpdir/scmroot/echolinux'...
$ git fetch origin ce2938fd6a1744fb7ef326bd5a392a0c6b6b5123:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/echolinux
 * [new ref]         ce2938fd6a1744fb7ef326bd5a392a0c6b6b5123 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce2938f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild