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141 lines
3.6 KiB
141 lines
3.6 KiB
#!/usr/bin/env python
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"""
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Referencing current branch in github README.md [1]
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This pre-commit hook [2] updates the README.md file's
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Travis badge with the current branch. Based on [4].
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[1] http://stackoverflow.com/questions/18673694/referencing-current-branch-in-github-readme-md
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[2] http://www.git-scm.com/book/en/v2/Customizing-Git-Git-Hooks
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[3] https://docs.travis-ci.com/user/status-images/
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[4] https://gist.github.com/dandye/dfe0870a6a1151c89ed9
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Copy this file to .git/hooks/
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"""
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import os
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import re
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import string
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import sys
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from subprocess import call, check_output
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try:
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from urllib.parse import urlparse
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except ImportError:
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from urlparse import urlparse
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from fileinput import FileInput
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# TODO: drop after platform.io supports python 3
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# https://github.com/python/cpython/commit/6cb7b659#diff-78790b53ff259619377058acd4f74672
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if sys.version_info[0] < 3:
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class FileInputCtx(FileInput):
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def __enter__(self):
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return self
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def __exit__(self, type, value, traceback):
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self.close()
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FileInput = FileInputCtx
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class CustomFormatter(string.Formatter):
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def format_field(self, value, spec):
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if spec == "escape_hyphen":
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return value.replace("-", "--")
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else:
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return super(CustomFormatter, self).format_field(value, spec)
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def run(cmd, cwd=None):
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out = check_output(cmd, cwd=cwd)
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out = out.decode("latin1").strip()
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return out
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def parse_h_string(define, r_quotes=re.compile("\"(.*)\"")):
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string = r_quotes.search(define).group(1)
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return string
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def git_parse_remote(cwd=None, remote="origin"):
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remote_url = run([
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"git", "config", "--local",
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"--get", "remote.{}.url".format(remote)], cwd)
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if remote_url.startswith("git"):
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_, _, repo = remote_url.partition(":")
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path = repo.replace(".git", "")
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elif remote_url.startswith("https"):
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parsed = urlparse(remote_url)
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path = parsed.path[1:]
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return path.split("/")
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def git_branch(cwd=None):
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return run(["git", "rev-parse", "--abbrev-ref", "HEAD"], cwd)
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def espurna_get_version(base, version_h="code/espurna/config/version.h"):
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version = "unknown"
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path = os.path.join(base, version_h)
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with open(path, "r") as version_f:
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for line in version_f:
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if line.startswith("#define") and "APP_VERSION" in line:
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version = parse_h_string(line)
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break
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return version
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TEMPLATES = {
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"![travis]": "[]"
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"(https://travis-ci.org/{USER}/{REPO})\n",
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"![version]": "[]"
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"(CHANGELOG.md)\n",
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"![branch]": "[]"
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"(https://github.com/{USER}/{REPO}/tree/{BRANCH}/)\n",
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}
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README = "README.md"
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if __name__ == "__main__":
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base = os.getcwd()
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user, repo = git_parse_remote()
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fmt = {
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"USER": user,
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"REPO": repo,
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"BRANCH": git_branch(),
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"VERSION": espurna_get_version(base),
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}
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formatter = CustomFormatter()
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templates = [
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(k, formatter.format(tmpl, **fmt))
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for k, tmpl in TEMPLATES.items()
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]
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def fmt_line(line):
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for match, tmpl in templates:
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if match in line:
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return tmpl
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return line
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path = os.path.join(base, README)
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with FileInput(path, inplace=True) as readme:
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for line in readme:
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sys.stdout.write(fmt_line(line))
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if call(["git", "add", README]):
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sys.exit(1)
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sys.exit(0)
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