From 3a3cf808dc9d21d168f65b1e821f931b36166d3f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20HOUZ=C3=89?= <cto@verylastroom.com>
Date: Thu, 21 Jul 2016 14:26:10 +0200
Subject: [PATCH] :lipstick: Enhance ext install edge cases failure messages.

Developper experience (DX) related (see #266).
---
 docker-php-ext-install | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/docker-php-ext-install b/docker-php-ext-install
index f7fc78ddd9..24a68bebd9 100755
--- a/docker-php-ext-install
+++ b/docker-php-ext-install
@@ -40,7 +40,16 @@ for ext; do
 		continue
 	fi
 	if ! grep -qE "^$ext$" /usr/src/php-available-exts; then
-		echo >&2 "error: /usr/src/php/ext/$ext does not exist"
+		info=$(pecl remote-info $ext)
+		if [ ! $? -eq 0 ] ; then
+			echo >&2 "error: sorry but '$ext' extension is either not a pecl extension"
+			echo >&2 "       nor an officially bundled extension from php source code."
+			echo >&2
+		else
+			echo >&2 "error: docker-php-ext-install only permit to install php source code"
+			echo >&2 "bundled extensions. You should install '${ext}' extension with pecl:"
+			echo >&2 $info
+		fi
 		echo >&2
 		usage >&2
 		exit 1