Update Dockerfile

images/bromite-source/Dockerfile

@@ -1,8 +1,9 @@
 ARG VERSION
 
 FROM uazo/chromium:$VERSION
-ARG VERSION
-ENV VERSION=$VERSION
+
+ARG BROMITE_SHA
+ENV BROMITE_SHA=$SHA
 
 USER lg
 
@@ -10,7 +11,12 @@ COPY apply-bromite-patches.sh .
 
 RUN sudo chmod +x ./apply-bromite-patches.sh \
     && \
-    git clone https://github.com/bromite/bromite \
+    mkdir bromite && \
+    cd bromite && \
+    git init && \
+    git remote add origin https://github.com/uazo/bromite && \
+    git fetch origin $BROMITE_SHA && \
+    git reset --hard FETCH_HEAD && \
     && \
     ./apply-bromite-patches.sh