[nongnu] elpa/dockerfile-mode 8f74b941d2 035/104: Add support for ARG command

[ELPA Syncer]

branch: elpa/dockerfile-mode
commit 8f74b941d20e2b0387826632bdb9da2a659b7491
Author: Uwe Dauernheim <uwe@dauernheim.net>
Commit: Uwe Dauernheim <uwe@dauernheim.net>

    Add support for ARG command
    
    Docker 1.8 introduced the `ARG` command which can be used in combination 
with `docker build --build-arg`.
    
    See: https://github.com/docker/docker/blob/master/CHANGELOG.md#builder
---
 dockerfile-mode.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dockerfile-mode.el b/dockerfile-mode.el
index e4f072b559..0e37485848 100644
--- a/dockerfile-mode.el
+++ b/dockerfile-mode.el
@@ -37,7 +37,7 @@
 
 (defvar dockerfile-font-lock-keywords
   `(,(cons (rx (or line-start "onbuild ")
-               (group (or "from" "maintainer" "run" "cmd" "expose" "env"
+               (group (or "from" "maintainer" "run" "cmd" "expose" "env" "arg"
                           "add" "copy" "entrypoint" "volume" "user" "workdir" 
"onbuild"
                           "label"))
                word-boundary)