[PATCH 1 of 6] builddeb: rework how output dir and platform are specified

[Augie Fackler]

# HG changeset patch
# User Augie Fackler <augie at google.com>
# Date 1440475364 14400
#      Tue Aug 25 00:02:44 2015 -0400
# Node ID cb466eee7cbde50de90b8324c644d7136a0b9c70
# Parent  cf3212174adb57b7699a77e20295e9c8d36d9aa2
builddeb: rework how output dir and platform are specified

This makes it possible to write tests for both builddeb and dockerdeb
that actually build .debs and then sanity check the contents.

diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -159,9 +159,7 @@ osx:
 
 deb:
 	mkdir -p packages/debian-unknown
-	contrib/builddeb
-	mv debbuild/*.deb packages/debian-unknown
-	rm -rf debbuild
+	contrib/builddeb --release unknown
 
 docker-debian-jessie:
 	mkdir -p packages/debian-jessie
diff --git a/contrib/builddeb b/contrib/builddeb
--- a/contrib/builddeb
+++ b/contrib/builddeb
@@ -7,9 +7,14 @@
 . $(dirname $0)/packagelib.sh
 
 BUILD=1
-DEBBUILDDIR="$PWD/debbuild"
+DEBVERSION=jessie
 while [ "$1" ]; do
     case "$1" in
+    --release )
+        shift
+        DEBVERSION="$1"
+        shift
+        ;;
     --prepare )
         shift
         BUILD=
@@ -26,6 +31,8 @@ while [ "$1" ]; do
     esac
 done
 
+DEBBUILDDIR=${OUTPUTDIR:="$PWD/debbuild"}
+
 set -u
 
 rm -rf $DEBBUILDDIR
diff --git a/contrib/dockerdeb b/contrib/dockerdeb
--- a/contrib/dockerdeb
+++ b/contrib/dockerdeb
@@ -8,13 +8,14 @@ export ROOTDIR=$(cd $BUILDDIR/..; pwd)
 
 checkdocker
 
+DEBPLATFORM="$1"
 PLATFORM="debian-$1"
 shift # extra params are passed to build process
 
 initcontainer $PLATFORM
 
-DEBBUILDDIR=$ROOTDIR/packages/$PLATFORM
-contrib/builddeb --debbuilddir $DEBBUILDDIR/staged --prepare
+DEBBUILDDIR=${OUTPUTDIR:=$ROOTDIR/packages/$PLATFORM}
+OUTPUTDIR=$DEBBUILDDIR/staged contrib/builddeb --release $DEBPLATFORM --prepare
 
 DSHARED=/mnt/shared/
 if [ $(uname) = "Darwin" ] ; then