Change linaro-hwpack-install to only install the sources.list.d files that have at least one line not present in the existing apt sources

1 files changed, 6 insertions, 6 deletions

diff --git a/linaro-hwpack-install b/linaro-hwpack-install
index 4acf3d7..694a43f 100755
--- a/linaro-hwpack-install
+++ b/linaro-hwpack-install
@@ -83,15 +83,15 @@ HWPACK_ARCH=`grep ARCHITECTURE "${HWPACK_DIR}/metadata" | cut -d "=" -f2`
 # Install the apt sources that contain the packages we need.
 for filename in $(ls "${HWPACK_DIR}"/sources.list.d/); do
   file="${HWPACK_DIR}"/sources.list.d/$filename
-  found=0
+  should_install=0
   while read line; do
-    # Skip any files that contain lines that are already present in the apt
-    # configuration.
-    grep -q "$line" /etc/apt/sources.list.d/* && found=1 && continue
-    grep -q "$line" /etc/apt/sources.list && found=1 && continue
+    # Only install files that have at least one line not present in the
+    # existing sources lists.
+    grep -q "$line" /etc/apt/sources.list.d/* /etc/apt/sources.list \
+      || should_install=1
   done < $file
 
-  if [ $found -eq 0 ]; then
+  if [ $should_install -eq 1 ]; then
     sudo cp $file /etc/apt/sources.list.d/hwpack.$filename
   fi
 done