$ git clone -n https://src.fedoraproject.org/rpms/mingw-sword.git /var/lib/mock/f40-build-1507842-23891/root/chroot_tmpdir/scmroot/mingw-sword
Cloning into '/var/lib/mock/f40-build-1507842-23891/root/chroot_tmpdir/scmroot/mingw-sword'...
$ git fetch origin 5e77181b0005d1fb964aab80d3e099b9487014b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-sword
 * [new ref]         5e77181b0005d1fb964aab80d3e099b9487014b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e77181 Rebuild (icu)