Fork of the espurna firmware for `mhsw` switches
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#!/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
# TODO: drop after platform.io supports python 3
# 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)