$ git clone -n https://src.fedoraproject.org/rpms/mingw-djvulibre.git /var/lib/mock/f41-build-60921119-6585846/root/chroot_tmpdir/scmroot/mingw-djvulibre
Cloning into '/var/lib/mock/f41-build-60921119-6585846/root/chroot_tmpdir/scmroot/mingw-djvulibre'...
$ git fetch origin d31333199d75fd84c2c5d323af9e986727538965:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-djvulibre
 * [new ref]         d31333199d75fd84c2c5d323af9e986727538965 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d313331 Update to 3.5.29