From 0fa4918dbbbcdc447b3918275fcb192349264364 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sat, 29 Mar 2014 02:02:13 -0400
Subject: [PATCH] update dist helpers

---
 Makefile                        |  2 +-
 makedist.sh => dist/makedist.sh |  6 ++--
 dist/pngcrush.sh                | 53 +++++++++++++++++++++++++++++++++
 3 files changed, 57 insertions(+), 4 deletions(-)
 rename makedist.sh => dist/makedist.sh (88%)
 create mode 100755 dist/pngcrush.sh

diff --git a/Makefile b/Makefile
index 5e88047..47d1a38 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,6 @@ css-min: $(CSS_FILES:=.min)
 check: css-min js-min
 
 dist:
-	./makedist.sh
+	./dist/makedist.sh
 
 .PHONY: all clean check css-min dist js-min
diff --git a/makedist.sh b/dist/makedist.sh
similarity index 88%
rename from makedist.sh
rename to dist/makedist.sh
index 1b66c57..fc99c19 100755
--- a/makedist.sh
+++ b/dist/makedist.sh
@@ -17,9 +17,9 @@ json_value() {
     manifest.json
 }
 
-PN=$(json_value name | sed 's:[[:space:]]:_:g' | tr '[:upper:]' '[:lower:]')
+PN=$(json_value name | sed 's:[[:space:]/]:_:g' | tr '[:upper:]' '[:lower:]')
 if [[ ${PN} == "__msg_name__" ]] ; then
-	PN=$(basename "$(pwd)")
+  PN=$(basename "$(pwd)")
 fi
 PV=$(json_value version)
 rev=${1:-0}
@@ -37,7 +37,7 @@ cp Makefile manifest.files manifest.json "${P}/"
 
 make -C "${P}" -j {css,js}-min
 while read line ; do
-	mv "${line}.min" "${line}"
+  mv "${line}.min" "${line}"
 done < <(find "${P}" -name '*.js' -o -name '*.css')
 rm "${P}"/{manifest.files,Makefile}
 
diff --git a/dist/pngcrush.sh b/dist/pngcrush.sh
new file mode 100755
index 0000000..f302a2e
--- /dev/null
+++ b/dist/pngcrush.sh
@@ -0,0 +1,53 @@
+#!/bin/bash -xe
+# Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+size()
+{
+  stat -c %s "$@"
+}
+
+do_apngopt()
+{
+  local png new
+
+  for png in "$@"; do
+    new="${png}.new"
+    apngopt "${png}" "${new}"
+    if [[ $(size "${png}") -gt $(size "${new}") ]]; then
+      mv "${new}" "${png}"
+    else
+      rm "${new}"
+    fi
+  done
+}
+
+do_pngcrush()
+{
+  local png new
+
+  pngcrush -e .png.new "$@"
+  for png in "$@"; do
+    new="${png}.new"
+    mv "${new}" "${png}"
+  done
+}
+
+main()
+{
+  if [ $# -eq 0 ]; then
+    set -- $(find -name '*.png')
+  fi
+
+  if type -P apngopt >/dev/null; then
+    # apngopt likes to corrupt images.
+    : do_apngopt "$@"
+  elif type -P pngcrush >/dev/null; then
+    do_pngcrush "$@"
+  else
+    echo "error: could not find apngopt or pngcrush"
+    exit 1
+  fi
+}
+main "$@"
-- 
2.39.2