add update_binfile.sh

update_binfile.sh

@@ -0,0 +1,38 @@
+repo="https://github.com/filebrowser/filebrowser"
+artifact="linux-armv7-filebrowser.tar.gz"
+
+LATEST_RELEASE=$(curl -L -s -H 'Accept: application/json' "$repo/releases/latest")
+# echo $LATEST_RELEASE
+# The releases are returned in the format {"id":3622206,"tag_name":"hello-1.0.0.11",...}, we have to extract the tag_name.
+LATEST_VERSION=$(echo $LATEST_RELEASE | sed -e 's/.*"tag_name":"\([^"]*\)".*/\1/')
+# echo $LATEST_VERSION
+[ -e "BINFILE_VERSION" ] && LOCAL_VERSION=`cat BINFILE_VERSION`
+if [ -z "${LATEST_VERSION}" ]
+then
+    echo "connection failed"
+    exit 1
+fi
+if [ "${LATEST_VERSION}" != "${LOCAL_VERSION}" ]
+then
+    echo "latest $LATEST_VERSION, local $LOCAL_VERSION"
+    ARTIFACT_URL="$repo/releases/download/$LATEST_VERSION/$artifact"
+    [ -e "$artifact" ] || wget $ARTIFACT_URL
+    if [ -e "$artifact" ]
+    then
+        tar -xf "$artifact"
+        ret=$?
+        if [ $ret -ne 0 ]; then
+            echo "broken file: $artifact"
+            rm "$artifact"
+            exit 2
+        fi
+        echo "$LATEST_VERSION" >BINFILE_VERSION
+        rm "$artifact"
+        echo "successfully update to $LATEST_VERSION"
+    else
+        echo "download faled"
+        exit 3
+    fi
+else
+    echo "local version $LOCAL_VERSION is already up to date"
+fi