minor tweaks

bin/openfile

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # Helps open a file with xdg-open from mutt in a external program without weird side effects.
-[ $(uname) = "Darwin" ] && opener="open" || opener="setsid xdg-open"
+[ "$(uname)" = "Darwin" ] && opener="open" || opener="setsid xdg-open"
 mkdir -p "/tmp/$USER-mutt-tmp"
 file="/tmp/$USER-mutt-tmp/$(basename "$1")"
 rm -f "$file"

share/mailcap

@@ -5,3 +5,4 @@ image/*; openfile %s ;
 video/*; setsid mpv --quiet %s &; copiousoutput
 application/pdf; openfile %s ;
 application/pgp-encrypted; gpg -d '%s'; copiousoutput;
+application/pgp-keys; gpg --import '%s'; copiousoutput;