[PÄTCH] notmuch-emacs-mua: set EMACS{,CLIENT} variables to defaults when empty

Subject: [PÄTCH] notmuch-emacs-mua: set EMACS{,CLIENT} variables to defaults when empty

Date: Sun, 4 Oct 2015 21:59:42 +0300

To: notmuch@notmuchmail.org

Cc: tomi.ollila@iki.fi

From: Tomi Ollila

... in addition to doing this when these variables are unset.

It is more useful to use defaults (emacs or emacsclient) than empty
string as a command name.
---

Without this:

$ EMACS= ./notmuch-emacs-mua
./notmuch-emacs-mua: line 150: exec: --: invalid option
exec: usage: exec [-cl] [-a name] [command [arguments ...]] [redirection ...]
zsh: exit 2     EMACS= ./notmuch-emacs-mua

 notmuch-emacs-mua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/notmuch-emacs-mua b/notmuch-emacs-mua
index 016fa12613c4..4404cd7c33b8 100755
--- a/notmuch-emacs-mua
+++ b/notmuch-emacs-mua
@@ -30,8 +30,8 @@ escape ()
     printf -v $2 '%s' "${__escape_arg__//\"/\\\"}"
 }
 
-EMACS=${EMACS-emacs}
-EMACSCLIENT=${EMACSCLIENT-emacsclient}
+EMACS=${EMACS:-emacs}
+EMACSCLIENT=${EMACSCLIENT:-emacsclient}
 
 PRINT_ONLY=
 NO_WINDOW=
-- 
2.0.0

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