[gentoo-dev] [PATCH] elisp.eclass: Test if the DOCS variable has a value.

[Ulrich Müller]

The current test for the return status of declare -p will be true
if DOCS is declared but otherwise has a void value. Test for presence
of an = sign in the output instead.

Signed-off-by: Ulrich Müller <ulm@g.o>
---
 eclass/elisp.eclass | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/eclass/elisp.eclass b/eclass/elisp.eclass
index a411f602cf7..7876928c7fb 100644
--- a/eclass/elisp.eclass
+++ b/eclass/elisp.eclass
@@ -1,4 +1,4 @@
-# Copyright 2002-2019 Gentoo Authors
+# Copyright 2002-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: elisp.eclass
@@ -173,7 +173,7 @@ elisp_src_install() {
 	# install documentation only when explicitly requested
 	case ${EAPI} in
 		4|5) [[ -n ${DOCS} ]] && dodoc ${DOCS} ;;
-		*) declare -p DOCS &>/dev/null && einstalldocs ;;
+		*) [[ $(declare -p DOCS 2>/dev/null) == *=* ]] && einstalldocs ;;
 	esac
 	if declare -f readme.gentoo_create_doc >/dev/null; then
 		readme.gentoo_create_doc
-- 
2.25.1