fix-disabled-Mail.app-bundles.sh

#!/usr/bin/env bash
# A script for fixing disabled Mail.app bundles due to SupportedPluginCompatibilityUUIDs
# Author: Jaeho Shin <netj@sparcs.org>
# Created: 2011-03-24
# See-Also: http://stib.posterous.com/how-to-fix-unsupported-plugins-after-upgradin
# via https://gist.github.com/netj/930384
set -eu
 
newMailUUID=$(defaults read /Applications/Mail.app/Contents/Info PluginCompatibilityUUID)
newMsgUUID=$(defaults read /System/Library/Frameworks/Message.framework/Resources/Info PluginCompatibilityUUID)
 
cd ~/Library/Mail
for bundle in "Bundles"*"("*")"/*.mailbundle; do
    [ -d "$bundle" ] || continue
    if [ -w "$bundle"/Contents/Info.plist ]; then
        echo "$bundle: Re-enabling with fixed SupportedPluginCompatibilityUUIDs"
        defaults write "$PWD"/"$bundle"/Contents/Info SupportedPluginCompatibilityUUIDs -array-add "$newMailUUID"
        defaults write "$PWD"/"$bundle"/Contents/Info SupportedPluginCompatibilityUUIDs -array-add "$newMsgUUID"
        mv "$bundle" Bundles/
    else
        echo "$bundle: Skipping (Info.plist not writable)"
    fi
done
 
rmdir -p "Bundles"*"("*")" 2>/dev/null