linux: ensure symbols tarball contains symbols

A user pointed out in a recent GCM issue that our symbols tarball does not
actually contain symbols (see [1] for additional details). Fix the
`pack.sh` script to package the correct files into the symbols tarball.

[1]: #1028 (comment)

Author: ldennington

src/linux/Packaging.Linux/build.sh

@@ -44,6 +44,7 @@ fi
 
 OUTDIR="$INSTALLER_OUT/$CONFIGURATION"
 PAYLOAD="$OUTDIR/payload"
+SYMBOLS="$OUTDIR/payload.sym"
 
 # Lay out payload
 "$INSTALLER_SRC/layout.sh" --configuration="$CONFIGURATION" || exit 1
@@ -78,7 +79,7 @@ if [ $INSTALL_FROM_SOURCE = true ]; then
     echo "Install complete."
 else
     # Pack
-    "$INSTALLER_SRC/pack.sh" --configuration="$CONFIGURATION" --payload="$PAYLOAD" --version="$VERSION" || exit 1
+    "$INSTALLER_SRC/pack.sh" --configuration="$CONFIGURATION" --payload="$PAYLOAD" --symbols="$SYMBOLS" --version="$VERSION" || exit 1
 fi
 
 echo "Build of Packaging.Linux complete."

src/linux/Packaging.Linux/pack.sh

@@ -24,6 +24,10 @@ case "$i" in
     PAYLOAD="${i#*=}"
     shift # past argument=value
     ;;
+    --symbols=*)
+    SYMBOLS="${i#*=}"
+    shift # past argument=value
+    ;;
     --configuration=*)
     CONFIGURATION="${i#*=}"
     shift # past argument=value
@@ -44,6 +48,9 @@ if [ -z "$PAYLOAD" ]; then
 elif [ ! -d "$PAYLOAD" ]; then
     die "Could not find '$PAYLOAD'. Did you run layout.sh first?"
 fi
+if [ -z "$SYMBOLS" ]; then
+    die "--symbols was not set"
+fi
 
 ARCH="`dpkg-architecture -q DEB_HOST_ARCH`"
 
@@ -83,7 +90,7 @@ popd
 
 # Build symbols tarball
 echo "Building symbols tarball..."
-pushd "$SYMBOLOUT"
+pushd "$SYMBOLS"
 tar -czvf "$SYMTARBALL" * || exit 1
 popd