$ git clone -n https://src.fedoraproject.org/rpms/cpio.git /var/lib/mock/f42-build-3304763-41426/root/chroot_tmpdir/scmroot/cpio
Cloning into '/var/lib/mock/f42-build-3304763-41426/root/chroot_tmpdir/scmroot/cpio'...
$ git fetch origin 72672f03e4c6b4e4c53d0e66bc7fb2a69d57ce00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cpio
 * [new ref]         72672f03e4c6b4e4c53d0e66bc7fb2a69d57ce00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72672f0 Fixed rhbz#2340003 - cpio: FTBFS in Fedora rawhide/f42