$ git clone -n https://src.fedoraproject.org/rpms/cpio.git /var/lib/mock/f40-build-2209041-52150/root/chroot_tmpdir/scmroot/cpio
Cloning into '/var/lib/mock/f40-build-2209041-52150/root/chroot_tmpdir/scmroot/cpio'...
$ git fetch origin fadb60f99b2f6692944d0c70dde70bd103577fa7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cpio
 * [new ref]         fadb60f99b2f6692944d0c70dde70bd103577fa7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fadb60f Backport upstream patch for C99 compatibility issue