dockerdeb: rules to build a debian package using docker

Currently only supports jessie (current stable), but other version
should be trivial.

contrib/docker/debian-jessie

@@ -0,0 +1,11 b''
+FROM debian:jessie
+RUN apt-get update && apt-get install -y \
+  build-essential \
+  debhelper \
+  dh-python \
+  devscripts \
+  python \
+  python-all-dev \
+  python-docutils \
+  zip \
+  unzip

contrib/dockerdeb

@@ -0,0 +1,39 b''
+#!/bin/bash -eu
+
+. $(dirname $0)/dockerlib.sh
+. $(dirname $0)/packagelib.sh
+
+BUILDDIR=$(dirname $0)
+export ROOTDIR=$(cd $BUILDDIR/..; pwd)
+
+checkdocker
+
+PLATFORM="debian-$1"
+shift # extra params are passed to build process
+
+initcontainer $PLATFORM
+
+DEBBUILDDIR=$ROOTDIR/packages/$PLATFORM
+contrib/builddeb --debbuilddir $DEBBUILDDIR/staged --prepare
+
+DSHARED=/mnt/shared/
+if [ $(uname) = "Darwin" ] ; then
+    $DOCKER run -u $DBUILDUSER --rm -v $DEBBUILDDIR:$DSHARED -v $PWD:/mnt/hg $CONTAINER \
+            sh -c "cd /mnt/hg && make clean && make local"
+fi
+$DOCKER run -u $DBUILDUSER --rm -v $DEBBUILDDIR:$DSHARED -v $PWD:/mnt/hg $CONTAINER \
+  sh -c "cd /mnt/hg && make PREFIX=$DSHARED/staged/usr install"
+$DOCKER run -u $DBUILDUSER --rm -v $DEBBUILDDIR:$DSHARED $CONTAINER \
+  dpkg-deb --build $DSHARED/staged
+if [ $(uname) = "Darwin" ] ; then
+    $DOCKER run -u $DBUILDUSER --rm -v $DEBBUILDDIR:$DSHARED -v $PWD:/mnt/hg $CONTAINER \
+            sh -c "cd /mnt/hg && make clean"
+fi
+
+gethgversion
+
+rm -r $DEBBUILDDIR/staged
+mv $DEBBUILDDIR/staged.deb $DEBBUILDDIR/mercurial-$version-$release.deb
+
+echo
+echo "Build complete - results can be found in $DEBBUILDDIR"

Makefile

@@ -163,6 +163,10 b' debian-jessie:'
 	mv debbuild/*.deb packages/debian-jessie
 	rm -rf debbuild
 
+docker-debian-jessie:
+	mkdir -p packages/debian/jessie
+	contrib/dockerdeb jessie
+
 fedora20:
 	mkdir -p packages/fedora20
 	contrib/buildrpm