From patchwork Tue Dec 31 01:45:31 2013
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Subject: =?utf-8?q?=5Benhancement=2C3=5D_bash=5Fcompletion=3A_be_compatible?=
 =?utf-8?b?IHdpdGgg4oCcc2V0IC114oCd?=
From: Roland Eggner <edvx1@systemanalysen.net>
X-Patchwork-Id: 3251
Message-Id: <20131231014531.GN23913@mobil.systemanalysen.net>
To: Pierre-Yves David <pierre-yves.david@ens-lyon.org>
Cc: mercurial-devel@selenic.com
Date: Tue, 31 Dec 2013 02:45:31 +0100

# HG changeset patch
# Parent aacff37a76a4d952e3154fd5d67837c24767f281
bash_completion: be compatible with “set -u”

diff --git a/contrib/bash_completion b/contrib/bash_completion
--- a/contrib/bash_completion
+++ b/contrib/bash_completion
@@ -179,7 +179,7 @@ shopt -s extglob
 	;;
     esac
 
-    if [ -z "$cmd" ] || [ $COMP_CWORD -eq $i ]; then
+    if [[ -z "${cmd-}" ]] || [ $COMP_CWORD -eq $i ]; then
 	_hg_commands
 	return
     fi