$ git clone -n https://src.fedoraproject.org/rpms/calligra.git /var/lib/mock/f41-build-815457-149534/root/chroot_tmpdir/scmroot/calligra
Cloning into '/var/lib/mock/f41-build-815457-149534/root/chroot_tmpdir/scmroot/calligra'...
$ git fetch origin 61d7ace5adb8311259aa15358c6deff23339c830:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/calligra
 * [new ref]         61d7ace5adb8311259aa15358c6deff23339c830 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61d7ace Rebuild for exiv2 0.28.2