$ git clone -n https://src.fedoraproject.org/rpms/jline2.git /var/lib/mock/f38-build-side-42-init-devel-892562-28541/root/chroot_tmpdir/scmroot/jline2
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-892562-28541/root/chroot_tmpdir/scmroot/jline2'...
$ git fetch origin 26c48468a14bbcf0405f12a46d60d8ded8f16f51:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jline2
 * [new ref]         26c48468a14bbcf0405f12a46d60d8ded8f16f51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26c4846 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild