ws/release.py at master · yhat/ws · GitHub

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#!/usr/bin/env python

"""
This is just a script to help automate the release of the Go binary, nothing
to see here!
"""

import hashlib
import os
import re
import shutil
import subprocess as sp

from string import Template
from zipfile import ZipFile

brew_formula_template = Template("""
# This file was generated by release.py
require 'formula'
class Ws < Formula
  homepage 'https://github.com/yhat/ws'
  version '${version}'
  if Hardware.is_64_bit?
    url 'https://github.com/yhat/ws/releases/download/v${version}/ws_darwin_amd64.zip'
    sha1 '${darwin_amd64_sha1}'
  else
    url 'https://github.com/yhat/ws/releases/download/v${version}/ws_darwin_386.zip'
    sha1 '${darwin_386_sha1}'
  end
  def install
    bin.install 'ws'
  end
end
""".strip())

version_re = re.compile(r'\nconst VERSION = \"([0-9\.]+)\"\n')

if __name__ == "__main__":
    with open("main.go", "r") as f:
        version = version_re.findall(f.read())

    assert len(version) == 1, "[-] Failed to find current version %s" % (version,)
    version = version[0]
    print "[+] Version found:", version

    if os.path.isdir("./dist"):
        print "[+] Directory 'dist' exists. Removing it."
        shutil.rmtree("./dist")

    print "[+] Cross-compiling ws."
    sp.check_call(["gox", "-output", "dist/{{.Dir}}_{{.OS}}_{{.Arch}}"])

    print "[+] Zipping executables."
    sha1sums = {}
    for fi in os.listdir("./dist"):
        exe = os.path.join("dist", "ws")
        zipname = os.path.join("dist", fi)
        if fi.endswith(".exe"):
            exe += ".exe"
            zipname = zipname.rstrip(".exe")
        zipname += ".zip"
        os.rename(os.path.join("dist", fi), exe)
        with ZipFile(zipname, "w") as z:
            z.write(exe, os.path.basename(exe))
        os.remove(exe)
        h = hashlib.sha1()
        with open(zipname, "r") as z:
            h.update(z.read())
        sha1sum = h.hexdigest()
        print "[+] %s: %s" % (sha1sum, zipname,)
        sha1sums[zipname] = sha1sum

    t = brew_formula_template.substitute(
      version=version,
      darwin_amd64_sha1 = sha1sums["dist/ws_darwin_amd64.zip"],
      darwin_386_sha1 = sha1sums["dist/ws_darwin_386.zip"],
    )
    print "[+] Updating brew formula."
    with open("ws.rb", "w") as f:
        f.write(t)