From 86cc3309995bc48eaee8e337bd7cf24d5fb126e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Sun, 10 Jun 2018 23:26:44 +0300
Subject: [PATCH] Expand the help text in extract-docker.sh

---
 extract-docker.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/extract-docker.sh b/extract-docker.sh
index 5f4e9b8..53c4927 100755
--- a/extract-docker.sh
+++ b/extract-docker.sh
@@ -2,6 +2,10 @@
 
 if [ $# -lt 2 ]; then
     echo $0 image dir
+    echo
+    echo This extracts \'dir\' from the docker image named \'image\' into the
+    echo current directory. NOTE: This removes the existing directory named
+    echo \'dir\' first.
     exit 1
 fi