From: Michał Górny <mgorny@gentoo.org>
Date: Thu, 25 Jul 2019 07:54:54 +0000 (+0200)
Subject: user.eclass: Fix egetgroups bash compliance, and make it simpler
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=077f7a9e69d648da082147ccd63c2b9ff4c8fe68;p=gentoo.git

user.eclass: Fix egetgroups bash compliance, and make it simpler

Signed-off-by: Michał Górny <mgorny@gentoo.org>
---

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