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Diffstat (limited to 'scripts/build-homebrew-formula.py')
-rwxr-xr-x | scripts/build-homebrew-formula.py | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/scripts/build-homebrew-formula.py b/scripts/build-homebrew-formula.py new file mode 100755 index 0000000..6d43b45 --- /dev/null +++ b/scripts/build-homebrew-formula.py @@ -0,0 +1,99 @@ +#!/usr/bin/env python + +# Yes, this is a Python program writing a Ruby program. + +import argparse +import hashlib +import sys +import os + +parser = argparse.ArgumentParser() +parser.add_argument("--url-base", default = "https://brew.cryptech.is/tarballs/") +parser.add_argument("tarball") +parser.add_argument("version") +parser.add_argument("formula", type = argparse.FileType("w"), nargs = "?", default = sys.stdout) +parser.add_argument("conflicts", nargs = "*") +args = parser.parse_args() + +template = '''\ +# This Homebrew forumula was automatically generated by a script. +# You might not want to edit it manually. + +class CryptechAlpha < Formula + + desc "Software for working with Cryptech Alpha board HSM" + homepage "https://cryptech.is/" + version "{version}" + url "{url}" + sha256 "{sha256}" + +{conflicts} + + # See https://github.com/Homebrew/brew/blob/master/share/doc/homebrew/Formula-Cookbook.md#specifying-other-formulae-as-dependencies + # for details on handling dependencies on other homebrew packages (eg, sqlite3). + + # See https://github.com/Homebrew/brew/blob/master/share/doc/homebrew/Python-for-Formula-Authors.md + # for details on handling dependencies on Python libraries (eg, pyserial). + + depends_on "sqlite3" + + resource "pyserial" do + url "https://pypi.python.org/packages/3c/d8/a9fa247ca60b02b3bebbd61766b4f321393b57b13c53b18f6f62cf172c08/pyserial-3.1.1.tar.gz" + sha256 "d657051249ce3cbd0446bcfb2be07a435e1029da4d63f53ed9b4cdde7373364c" + end + + resource "PyYAML" do + url "http://pyyaml.org/download/pyyaml/PyYAML-3.11.tar.gz" + sha256 "c36c938a872e5ff494938b33b14aaa156cb439ec67548fcab3535bb78b0846e8" + end + + def install + + # Installation is a bit complex due to the way Homebrew handles + # Python library dependencies and due to our stuff being a mix of + # Python and C. + + # Set PYTHONPATH to point to our private library location. + + ENV.prepend_create_path "PYTHONPATH", libexec/"vendor/lib/python2.7/site-packages" + + # Add all resources (and assume they are all Python, be careful...). + + resources.each do |r| + r.stage do + system "python", *Language::Python.setup_install_args(libexec/"vendor") + end + end + + # Build everything. + + ohai "Building PKCS #11 code (including crypto and bignum libraries) from source, this is slow, please be patient..." + ENV.deparallelize + system "make", "-C", "sw/pkcs11" + + # Install the Python scripts, then replace them with stubs which + # set PYTHONPATH before calling the real scripts. + + bin.install "sw/stm32/projects/hsm/cryptech_upload" + bin.install "sw/stm32/projects/hsm/cryptech_probe" + bin.install "sw/stm32/projects/hsm/cryptech_miniterm" + bin.env_script_all_files(libexec/"bin", :PYTHONPATH => ENV["PYTHONPATH"]) + + # Install other (non-Python) stuff, then we are done. + + share.install "cryptech-alpha-firmware.tar.gz" + lib.install "sw/pkcs11/libcryptech-pkcs11.dylib" + #bin.install "sw/pkcs11/p11util" + end + +end +''' + +with open(args.tarball, "rb") as f: + digest = hashlib.sha256(f.read()).hexdigest() + +args.formula.write(template.format( + version = args.version, + url = os.path.join(args.url_base, os.path.basename(args.tarball)), + sha256 = digest, + conflicts = "".join("conflicts_with \"{}\", :because => \"firmware and pkcs11 library must match\"\n".format(i) for i in args.conflicts))) |