test: conf.sh: verify that LIBREUSER is correct when `sudo sudo -u $LIBREUSER`

https://labs.parabola.nu/issues/1372

2 files changed, 16 insertions, 3 deletions

diff --git a/test/lib-conf-test.sh b/test/lib-conf-test.sh
index d79c5f2..e1a27e6 100644
--- a/test/lib-conf-test.sh
+++ b/test/lib-conf-test.sh
@@ -23,6 +23,19 @@ it_figures_out_HOME_when_root() {
 	[[ $LIBREHOME != /root ]]
 }
 
+it_nests_LIBREUSER() {
+	require sudo || return 0
+	[[ $USER != root ]]
+	cd "$tmpdir"
+	echo '. $(librelib conf.sh); echo "$LIBREUSER"' > test.sh
+
+	LIBREUSER=$(testsudo bash ./test.sh)
+	[[ $LIBREUSER == "$USER" ]]
+
+	LIBREUSER=$(testsudo testsudo -u "$USER" bash ./test.sh)
+	[[ $LIBREUSER == "$USER" ]]
+}
+
 it_respects_custom_HOME() {
 	cd "$tmpdir"
 	echo '. $(librelib conf.sh); echo "$LIBREHOME"' > test.sh
diff --git a/test/testenv b/test/testenv
index 7072326..3bb827f 100755
--- a/test/testenv
+++ b/test/testenv
@@ -51,12 +51,12 @@ export _librelib_conf_sh_pkgconfdir="$destdir/etc/libretools.d"
 # Hack to respect our variables in sudo
 _sudo() {
 	local vars=(TMPDIR PATH LIBRETOOLS_LIBDIR XDG_CACHE_HOME XDG_CONFIG_HOME _librelib_conf_sh_sysconfdir)
-	local args=()
+	local env=()
 	local var
 	for var in "${vars[@]}"; do
-		args+=("$var=${!var}")
+		env+=("$var=${!var}")
 	done
-	sudo env "${args[@]}" "$@"
+	sudo "${env[@]}" "$@"
 }
 printf '%s\n' \
 	'#!/bin/bash' \