$ git clone -n https://src.fedoraproject.org/rpms/ctk.git /var/lib/mock/f39-build-1582093-38103/root/chroot_tmpdir/scmroot/ctk
Cloning into '/var/lib/mock/f39-build-1582093-38103/root/chroot_tmpdir/scmroot/ctk'...
$ git fetch origin a420fa241f2bcec07513d3945d9d7827c2788498:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ctk
 * [new ref]         a420fa241f2bcec07513d3945d9d7827c2788498 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a420fa2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild