NetNewsWire/buildnnw

#!/usr/bin/env python
import os
import subprocess
import shutil
import re

buildProductName = "NetNewsWire"
buildProductBundleName = "%s.app" % (buildProductName,)

# WARNING: This will be deleted and replaced during build. It must
# correspond to a directory you are willing to see deleted often.
buildDir = os.path.expanduser("~/.build")

# Remove previous build folder and re-create it 
print("Removing existing build dir: %s" % buildDir)
if os.path.exists(buildDir):
    shutil.rmtree(buildDir)
os.mkdir(buildDir)

# Perform the build
print("Building...")
subprocess.call(["xcodebuild", "-workspace", "NetNewsWire.xcworkspace", "-scheme", "NetNewsWire", "-derivedDataPath", buildDir, "-configuration", "Release"])

# Obtain the version from the built product
currentVersionBuiltAppPath = os.path.join(buildDir, "Build", "Products", "Release", buildProductBundleName)
infoPlistPath = os.path.join(currentVersionBuiltAppPath, "Contents/Info.plist")
infoPlistFile = open(infoPlistPath, "r")
infoPlistContent = infoPlistFile.read()
infoPlistFile.close()
bundleVersionPattern = "(?s)[\t ]*<key>CFBundleShortVersionString<\/key>[\n\t ]*<string>(.*?)<\/string>"
matches = re.search(bundleVersionPattern, infoPlistContent)
appVersion = matches.group(1)

# Remove previous build artifacts 
outputDir = os.path.expanduser("~")
currentVersionStagedAppPath = os.path.join(outputDir, buildProductBundleName)
currentVersionZipName = "NetNewsWire%s.zip" % appVersion
currentVersionZipPath = os.path.join(outputDir, currentVersionZipName)
if os.path.exists(currentVersionZipPath):
    print("Removing previous app at %s" % currentVersionZipPath)
    os.remove(currentVersionZipPath)

# Package new build artifacts
print("Copying build product from \"%s\" to \"%s\"" % (currentVersionBuiltAppPath, currentVersionStagedAppPath))
subprocess.call(["ditto", currentVersionBuiltAppPath,  currentVersionStagedAppPath])
print("Zipping to \"%s\"" % currentVersionZipName)

# Documented in "man ditto" as creating an archive "similarly to the Finder's Compress functionality"
subprocess.call(["ditto", "-c", "-k", "--sequesterRsrc", "--keepParent", currentVersionBuiltAppPath, currentVersionZipPath])

# Archive a permanent copy 
archiveDir = os.path.expanduser("~/Archive/Releases")
currentVersionArchivePath = os.path.join(archiveDir, currentVersionZipName)
print("Copying archive to to \"%s\"" % currentVersionArchivePath)
subprocess.call(["ditto", currentVersionZipPath, currentVersionArchivePath])

latestVersionZipName = "NetNewsWire-latest.zip"
latestVersionZipPath = os.path.join(outputDir, latestVersionZipName)
print("Copying archive to to \"%s\"" % latestVersionZipPath)
subprocess.call(["cp", currentVersionZipPath, latestVersionZipPath])

# Reveal the built archive
print("Revealing in Finder: \"%s\"" % latestVersionZipPath)
subprocess.call(["open", "-R", latestVersionZipPath])