[gentoo-dev] [PATCH v2] user.eclass: Fix egetgroups bash compliance, and make it simpler

[Michał Górny]

Signed-off-by: Michał Górny <mgorny@g.o>
---
 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
-- 
2.22.0