X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/5e062b44d6b9ebb70a7b0708436eb463b5e8ae7b..07cba2282dc6e8c701db411e716b8943e2dfa21f:/docker/build.sh

diff --git a/docker/build.sh b/docker/build.sh
index e990ccd8ed..77aeb1f187 100755
--- a/docker/build.sh
+++ b/docker/build.sh
@@ -1,14 +1,31 @@
 #! /bin/bash
 
-# make sure Ruby 1.9.3 is installed before proceeding
+# make sure a Ruby version greater than or equal to 1.9.3 is installed before proceeding
 if ! ruby -e 'exit RUBY_VERSION >= "1.9.3"' 2>/dev/null
 then
-    echo "Installing Arvados requires at least Ruby 1.9.3."
-    echo "You may need to enter your password."
-    read -p "Press Ctrl-C to abort, or else press ENTER to install ruby1.9.3 and continue. " unused
+    echo "Building the Arvados docker containers requires at least Ruby 1.9.3."
+    echo "Please install ruby 1.9.3 or higher before executing this script."
+    exit 1
+fi
+
+function usage {
+    echo >&2
+    echo >&2 "usage: $0 [options]"
+    echo >&2
+    echo >&2 "Calling $0 without arguments will build all Arvados docker images"
+    echo >&2
+    echo >&2 "$0 options:"
+    echo >&2 "  -h, --help   Print this help text"
+    echo >&2 "  clean        Clear all build information"
+    echo >&2 "  realclean    clean and remove all Arvados Docker images except arvados/debian"
+    echo >&2 "  deepclean    realclean and remove arvados/debian, crosbymichael/skydns and "
+    echo >&2 "               crosbymichael/skydns Docker images"
+    echo >&2
+}
 
-    sudo apt-get update
-    sudo apt-get -y install ruby1.9.3
+if [ "$1" = '-h' ] || [ "$1" = '--help' ]; then
+  usage
+  exit 1
 fi
 
 build_tools/build.rb