$ git clone -n https://src.fedoraproject.org/rpms/juniversalchardet.git /var/lib/mock/f40-build-2172164-51046/root/chroot_tmpdir/scmroot/juniversalchardet
Cloning into '/var/lib/mock/f40-build-2172164-51046/root/chroot_tmpdir/scmroot/juniversalchardet'...
$ git fetch origin 2531d870aee4b51b500781fe1856e5ea3ebe0908:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/juniversalchardet
 * [new ref]         2531d870aee4b51b500781fe1856e5ea3ebe0908 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2531d87 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild