generate_gypi.sh: wrap long lines

update_libvpx.sh

 #!/bin/bash -e
 #
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This tool is used to update libvpx source code with the latest git
 # repository.
 #
 # Make sure you run this in a svn checkout of deps/third_party/libvpx!
@@ skipping 55 matching lines @@
 # Switch the content to the latest git repo.
 git checkout -b tot $GIT_BRANCH
 
 # Output the current commit hash.
 hash=$(git log -1 --format="%H")
 echo "Current HEAD: $hash"
 
 # Output log for upstream from current hash.
 if [ -n "$prev_hash" ]; then
   echo "git log from upstream:"
-  pretty_git_log="$(git log --no-merges --topo-order --pretty="%h %s" $prev_hash..$hash)"
+  pretty_git_log="$(git log \
+                    --no-merges \
+                    --topo-order \
+                    --pretty="%h %s" \
+                    $prev_hash..$hash)"
   if [ -z "$pretty_git_log" ]; then
     echo "No log found. Checking for reverts."
-    pretty_git_log="$(git log --no-merges --topo-order --pretty="%h %s" $hash..$prev_hash)"
+    pretty_git_log="$(git log \
+                      --no-merges \
+                      --topo-order \
+                      --pretty="%h %s" \
+                      $hash..$prev_hash)"
   fi
   echo "$pretty_git_log"
 fi
 
 # Git is useless now, remove the local git repo.
 rm -rf .git
 
 # Update SVN with the added and deleted files.
 echo "$add" | xargs -I {} svn add --parents {}
 echo "$delete" | xargs -I {} svn rm {}
 
 # Find empty directories and remove them from SVN.
 find . -type d -empty -not -iwholename '*.svn*' -exec svn rm {} \;
 
 chmod 755 build/make/*.sh build/make/*.pl configure
 
 cd $BASE_DIR