$ git clone -n https://src.fedoraproject.org/rpms/mingw-libarchive.git /var/lib/mock/f45-build-18520-520/root/chroot_tmpdir/scmroot/mingw-libarchive
Cloning into '/var/lib/mock/f45-build-18520-520/root/chroot_tmpdir/scmroot/mingw-libarchive'...
$ git fetch origin 360ee9862eb3007cc7bc3b0841b0ffc4915ce49c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-libarchive
 * [new ref]         360ee9862eb3007cc7bc3b0841b0ffc4915ce49c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 360ee98 Rebuild (mingw-libxml2)