$ git clone -n https://src.fedoraproject.org/rpms/jchardet.git /var/lib/mock/f40-build-2103884-50564/root/chroot_tmpdir/scmroot/jchardet
Cloning into '/var/lib/mock/f40-build-2103884-50564/root/chroot_tmpdir/scmroot/jchardet'...
$ git fetch origin 55965eef1872d2202f8f5814dd8c15f836aa2ac3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jchardet
 * [new ref]         55965eef1872d2202f8f5814dd8c15f836aa2ac3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55965ee Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild