GPGTools/GPGTools_Core — comment on commit 4dff78fd7bd988be0db3dcf0f5538b0e1207853a
File: scripts/gpgmail-postinstall.sh line 49
By idodeclare:

I was getting the following error and failing in the nightly build Installer:

./postinstall: diff: extra operand /Library/Mail/Bundles//GPGMail.mailbundle'

I can only guess that the paths should be quoted as they are elsewhere in the script.