$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-vfs.git /var/lib/mock/f39-build-1786158-41711/root/chroot_tmpdir/scmroot/apache-commons-vfs
Cloning into '/var/lib/mock/f39-build-1786158-41711/root/chroot_tmpdir/scmroot/apache-commons-vfs'...
$ git fetch origin 26e1c88def3598b8e8d4674bd95363a8444f1691:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-vfs
 * [new ref]         26e1c88def3598b8e8d4674bd95363a8444f1691 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26e1c88 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild