$ git clone -n https://src.fedoraproject.org/rpms/foo2zjs.git /var/lib/mock/f40-build-1996684-44044/root/chroot_tmpdir/scmroot/foo2zjs
Cloning into '/var/lib/mock/f40-build-1996684-44044/root/chroot_tmpdir/scmroot/foo2zjs'...
$ git fetch origin 8dcda043697eabeba3bf21fe69437529a081bb58:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/foo2zjs
 * [new ref]         8dcda043697eabeba3bf21fe69437529a081bb58 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8dcda04 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild