From 077f7a9e69d648da082147ccd63c2b9ff4c8fe68 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Thu, 25 Jul 2019 09:54:54 +0200
Subject: [PATCH] user.eclass: Fix egetgroups bash compliance, and make it
 simpler
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
---
 eclass/user.eclass | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/eclass/user.eclass b/eclass/user.eclass
index fdf98caa6099..9dc15fa75d23 100644
--- a/eclass/user.eclass
+++ b/eclass/user.eclass
@@ -445,11 +445,12 @@ egetgroups() {
 	local egroups_arr
 	read -r -a egroups_arr < <(id -G -n "$1")
 
-	local defgroup=${egroups_arr[0]}
+	local g groups=${egroups_arr[0]}
 	# sort supplementary groups to make comparison possible
-	readarray -t exgroups_arr < <(printf '%s\n' "${egroups_arr[@]:1}" | sort)
-	local exgroups=${exgroups_arr[*]}
-	echo "${defgroup}${exgroups:+,${exgroups// /,}}"
+	while read -r g; do
+		[[ -n ${g} ]] && groups+=",${g}"
+	done < <(printf '%s\n' "${egroups_arr[@]:1}" | sort)
+	echo "${groups}"
 }
 
 # @FUNCTION: esethome
-- 
2.26.2