Switching to rake for build management

ci/build.sh

-#! /bin/bash
-
-set -x
-set -e
-
-#sass sass:static/css -r templates/sass/bourbon/lib/bourbon.rb --style :compressed
-
-if [ -z "${GIT_COMMIT}" ]; then
-    GIT_COMMIT=$(git rev-parse HEAD)
-fi
-
-if [ -z "${GIT_BRANCH}" ]; then
-    GIT_BRANCH=$(git symbolic-ref -q HEAD)
-    GIT_BRANCH=${GIT_BRANCH##refs/heads/}
-    GIT_BRANCH=${GIT_BRANCH:-HEAD}
-fi
-GIT_BRANCH=${GIT_BRANCH##origin/}
-GIT_BRANCH=${GIT_BRANCH//\//_}
-
-if [ -z "${BUILD_NUMBER}" ]; then
-    BUILD_NUMBER=dev
-fi
-
-REPO_ROOT=$(dirname $(pwd)/$(dirname $0))
-BUILD_DIR=${REPO_ROOT}/build
-
-if [ "${GIT_BRANCH}" == "master" ]; then
-    NAME=mitx
-else
-    NAME=mitx-${GIT_BRANCH}
-fi
-
-mkdir -p ${BUILD_DIR}
-cd ${BUILD_DIR}
-fpm -s dir -t deb \
-    --exclude=build \
-    --exclude=ci \
-    --exclude=.git \
-    --prefix=/opt/wwc/mitx \
-    --depends=python-mysqldb \
-    --depends=python-django \
-    --depends=python-pip \
-    --depends=python-flup \
-    --depends=python-numpy \
-    --depends=python-scipy \
-    --depends=python-matplotlib \
-    --depends=python-libxml2 \
-    --depends=python2.7-dev \
-    --depends=libxml2-dev \
-    --depends=libxslt-dev \
-    --depends=python-markdown \
-    --depends=python-pygments \
-    --depends=mysql-client \
-    --name ${NAME} \
-    --version 0.1 \
-    --iteration ${BUILD_NUMBER}-${GIT_COMMIT} \
-    -a all \
-    ${REPO_ROOT}

rakefile

+require 'rake/clean'
+require 'tempfile'
+
+REPO_ROOT = File.dirname(__FILE__)
+BUILD_DIR = File.join(REPO_ROOT, "build")
+CLOBBER.include('build')
+CLEAN.include("#{BUILD_DIR}/*.deb")
+
+task :package do
+    commit = (ENV["GIT_COMMIT"] || `git rev-parse HEAD`).chomp()
+    branch = (ENV["GIT_BRANCH"] || `git symbolic-ref -q HEAD`).chomp()
+    branch = branch.gsub('refs/heads/', '').gsub('origin/', '').gsub('/', '_')
+    build_number = (ENV["BRANCH_NUMBER"] || "dev").chomp()
+
+    if branch == "master"
+        package_name = "mitx"
+    else
+        package_name = "mitx-#{branch}"
+    end
+
+    FileUtils.mkdir_p(BUILD_DIR)
+    
+    Dir.chdir(BUILD_DIR) do
+        args = ["fakeroot", "fpm", "-s", "dir", "-t", "deb",
+            "--exclude=build",
+            "--exclude=rakefile",
+            "--exclude=.git",
+            "--prefix=/opt/wwc/mitx-#{commit}",
+            "--depends=python-mysqldb",
+            "--depends=python-django",
+            "--depends=python-pip",
+            "--depends=python-flup",
+            "--depends=python-numpy",
+            "--depends=python-scipy",
+            "--depends=python-matplotlib",
+            "--depends=python-libxml2",
+            "--depends=python2.7-dev",
+            "--depends=libxml2-dev",
+            "--depends=libxslt-dev",
+            "--depends=python-markdown",
+            "--depends=python-pygments",
+            "--depends=mysql-client",
+            "--name=#{package_name}-#{commit}",
+            "--version=0.1",
+            "--iteration=#{build_number}",
+            "-a", "all",
+            "#{REPO_ROOT}"]
+        system(*args) || raise("fpm failed to build the .deb")
+    end
+end