add some code

managed_components/78__esp-opus/dnn/download_model.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+set -e
+
+model=opus_data-$1.tar.gz
+
+if [ ! -f $model ]; then
+        echo "Downloading latest model"
+        wget https://media.xiph.org/opus/models/$model
+fi
+
+if command -v sha256sum
+then
+   echo "Validating checksum"
+   checksum="$1"
+   checksum2=$(sha256sum $model | awk '{print $1}')
+   if [ "$checksum" != "$checksum2" ]
+   then
+      echo "Aborting due to mismatching checksums. This could be caused by a corrupted download of $model."
+      echo "Consider deleting local copy of $model and running this script again."
+      exit 1
+   else
+      echo "checksums match"
+   fi
+else
+   echo "Could not find sha256 sum; skipping verification. Please verify manually that sha256 hash of ${model} matches ${1}."
+fi
+
+
+
+tar xvomf $model