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