notmuch-mutt: fix xargs/ln usage for OpenBSD compatibility

- xargs: use -r flag instead of --no-run-if-empty
- ln: use -I flag/3rd form of ln command instead of -t flag/4th form

Signed-off-by: Stefano Zacchiroli <zack@upsilon.cc>

diff --git a/contrib/notmuch-mutt/notmuch-mutt b/contrib/notmuch-mutt/notmuch-mutt
index 126cbf4444da0cf0585b3aceb696075fab57d18e..b47b36514a7d97a0a2c0a592b1c6155ef1599739 100755 (executable)
--- a/contrib/notmuch-mutt/notmuch-mutt
+++ b/contrib/notmuch-mutt/notmuch-mutt
@@ -50,7 +50,7 @@ sub search($$$) {
     empty_maildir($maildir);
     system("notmuch search --output=files $dup_option $query"
           . " | sed -e 's: :\\\\ :g'"
-          . " | xargs --no-run-if-empty ln -s -t $maildir/cur/");
+          . " | xargs -r -I searchoutput ln -s searchoutput $maildir/cur/");
 }
 
 sub prompt($$) {