Automatically generate the list of supported languages rather than hardcoding it

Originally committed to SVN as r6845.

aegisub/packages/osx_bundle/Contents/Info.plist

@@ -52,18 +52,7 @@
     <!-- Localizations supported -->
     <key>CFBundleLocalizations</key>
     <array>
-        <string>ca</string>
-        <string>da</string>
-        <string>de</string>
-        <string>en</string>
-        <string>es</string>
-        <string>fr_FR</string>
-        <string>hu</string>
-        <string>it</string>
-        <string>ko</string>
-        <string>ru</string>
-        <string>pt_BR</string>
-        <string>zh_TW</string>
+        @LOCALIZATIONS@
     </array>
 
     <!-- Supported document types -->

aegisub/tools/osx-bundle.sed.in

@@ -3,3 +3,7 @@ s/@PLIST_SVN_REVISION@/@SVN_REVISION@/g
 s/@PLIST_BUILD_DATE@/@BUILD_DATE@/g
 s/@PKG_DMG_STRING@/@DMG_STRING@/
 s/@PKG_BUNDLE_STRING@/@BUNDLE_STRING@/
+/ \+@LOCALIZATIONS@/ {
+	r languages
+	d
+}

aegisub/tools/osx-bundle.sh

@@ -43,6 +43,8 @@ if ! test -f "tools/osx-bundle.sed"; then
   exit 1
 fi
 
+find po -name *.po | sed 's/.*\/\(.*\)\.po/        <string>\1<\/string>/' > languages
+
 find ${SKEL_DIR} -type f -not -regex ".*.svn.*"
 cp ${SKEL_DIR}/Contents/Resources/*.icns "${PKG_DIR}/Contents/Resources"
 cp ${SKEL_DIR}/Contents/Resources/etc/fonts/fonts.dtd "${PKG_DIR}/Contents/Resources/etc/fonts"
@@ -50,6 +52,7 @@ cat ${SKEL_DIR}/Contents/Resources/etc/fonts/fonts.conf |sed -f tools/osx-bundle
 cp ${SKEL_DIR}/Contents/Resources/etc/fonts/conf.d/*.conf "${PKG_DIR}/Contents/Resources/etc/fonts/conf.d"
 cat ${SKEL_DIR}/Contents/Info.plist |sed -f tools/osx-bundle.sed > "${PKG_DIR}/Contents/Info.plist"
 
+rm languages
 
 echo
 echo "---- Copying dictionaries ----"