add file to test install script

Signed-off-by: Jessica Frazelle <acidburn@docker.com>

contrib/builder/deb/debian-wheezy/Dockerfile

@@ -2,8 +2,7 @@
 # THIS FILE IS AUTOGENERATED; SEE "contrib/builder/deb/generate.sh"!
 #
 
-FROM debian:wheezy
-RUN echo deb http://http.debian.net/debian wheezy-backports main > /etc/apt/sources.list.d/wheezy-backports.list
+FROM debian:wheezy-backports
 
 RUN apt-get update && apt-get install -y bash-completion btrfs-tools build-essential curl ca-certificates debhelper dh-systemd git libapparmor-dev libdevmapper-dev libsqlite3-dev --no-install-recommends && rm -rf /var/lib/apt/lists/*
 

contrib/builder/deb/generate.sh

@@ -22,6 +22,13 @@ for version in "${versions[@]}"; do
 	suite="${version##*-}"
 	from="${distro}:${suite}"
 
+	case "$from" in
+		debian:wheezy)
+			# add -backports, like our users have to
+			from+='-backports'
+			;;
+	esac
+
 	mkdir -p "$version"
 	echo "$version -> FROM $from"
 	cat > "$version/Dockerfile" <<-EOF
@@ -32,13 +39,6 @@ for version in "${versions[@]}"; do
 		FROM $from
 	EOF
 
-	case "$from" in
-		debian:wheezy)
-			# add -backports, like our users have to
-			echo "RUN echo deb http://http.debian.net/debian $suite-backports main > /etc/apt/sources.list.d/$suite-backports.list" >> "$version/Dockerfile"
-			;;
-	esac
-
 	echo >> "$version/Dockerfile"
 
 	extraBuildTags=

hack/make/test-install-script

@@ -0,0 +1,29 @@
+#!/bin/bash
+# This script is used for testing install.sh and that it works for
+# each of component of our apt and yum repos
+set -e
+
+test_install_script(){
+	# these are equivalent to main, testing, experimental components
+	# in the repos, but its the url that will do the conversion
+	components=( experimental test get )
+
+	for component in "${components[@]}"; do
+		# change url to specific component for testing
+		local test_url=https://${component}.docker.com
+		local script=$(mktemp /tmp/install-XXXXXXXXXX.sh)
+		sed "s,url='https://get.docker.com/',url='${test_url}/'," hack/install.sh > "${script}"
+
+		chmod +x "${script}"
+
+		# test for each Dockerfile in contrib/builder
+		for dir in contrib/builder/*/*/; do
+			local from="$(awk 'toupper($1) == "FROM" { print $2; exit }' "$dir/Dockerfile")"
+
+			echo "running install.sh for ${component} with ${from}"
+			docker run --rm -it -v ${script}:/install.sh ${from} /install.sh
+		done
+	done
+}
+
+test_install_script