From: John Ellson <ellson@research.att.com>
Date: Fri, 16 Jan 2015 14:33:49 +0000 (-0500)
Subject: use  if set
X-Git-Tag: TRAVIS_CI_BUILD_EXPERIMENTAL~129^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=076bb41452a1ffc1dbc7abd959701e3f78fb39d1;p=graphviz

use  if set
---

diff --git a/plugin/xlib/vimdot.sh b/plugin/xlib/vimdot.sh
index 4e6dd4bb4..cd40fccbc 100755
--- a/plugin/xlib/vimdot.sh
+++ b/plugin/xlib/vimdot.sh
@@ -3,9 +3,11 @@
 
 error() { echo "$0: $*" >&2; exit 1; }
 
-editor="vim"
-
-if ! test -x "$(command -v "$editor")"; then error "the \"$editor\" editor not found or not executable"; fi
+# Try $EDITOR first, else try vim or vi
+editor="$EDITOR"
+[ -x "$editor" ] || editor="/usr/bin/vim"
+[ -x "$editor" ] || editor="/usr/bin/vi"
+[ -x "$editor" ] || error "EDITOR not found or not executable";
 
 default="noname.gv"