From 539660d4f763f05707b5602fa6f8b5d32e530f61 Mon Sep 17 00:00:00 2001
From: Simon Marchi <simon.marchi@polymtl.ca>
Date: Thu, 26 Feb 2015 13:22:34 -0500
Subject: [PATCH] [dsf-gdb] gdb download script: add examples and print help if
 unsupported version is given

I got a feedback that the error message when passing an unsupported
version should be more helpful.

Change-Id: I3c925c500d6de787ca9bfce421eda6109e9f6415
Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
---
 .../scripts/download-build-gdb.sh                     | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/scripts/download-build-gdb.sh b/dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/scripts/download-build-gdb.sh
index e2d83ec9b76..6d5c2f5be2f 100755
--- a/dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/scripts/download-build-gdb.sh
+++ b/dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/scripts/download-build-gdb.sh
@@ -56,6 +56,12 @@ function help_and_exit() {
   echo "Supported versions:"
   echo "  ${default_versions}"
   echo ""
+  echo "Examples:"
+  echo "  Build versions 7.7.1 and 7.8.2:"
+  echo "    $ $0 7.7.1 7.8.2"
+  echo "  Build all supported versions:"
+  echo "    $ $0 all"
+  echo ""
 
   exit $1
 }
@@ -80,8 +86,9 @@ function check_supported() {
       # Supported, do nothing.
       ;;
     *)
-      echo "Version ${version} is not supported, sorry."
-      exit 1
+      echo "Error: version ${version} is not supported by this script."
+      echo ""
+      help_and_exit
       ;;
   esac
 }