lib/fetch-{libc++,newlib}: never overwrite files during unzip

Author: lschuermann

lib/fetch-libc++.sh

@@ -49,7 +49,8 @@ done
 
 if [[ $FOUND -ne 0 ]]; then
   echo "Unpacking $ZIP_FILE..."
-  unzip -q $ZIP_FILE
+  # -n: never overwrite existing files, -q: quiet mode
+  unzip -n -q $ZIP_FILE
   echo "Done upacking $ZIP_FILE..."
 else
   echo "ERROR: Unable to find tock-libc++"

lib/fetch-newlib.sh

@@ -47,7 +47,8 @@ done
 
 if [[ $FOUND -ne 0 ]]; then
   echo "Unpacking $ZIP_FILE..."
-  unzip -q $ZIP_FILE
+  # -n: never overwrite existing files, -q: quiet mode
+  unzip -n -q $ZIP_FILE
   echo "Done upacking $ZIP_FILE..."
 else
   echo "ERROR: Unable to find tock-newlib"