micropython/py/makeversionhdr.py

65 lines
2.2 KiB
Python
Raw Normal View History

# This script works with Python 2 and 3
from __future__ import print_function
import sys
import os
import datetime
import subprocess
def make_version_header(filename):
# Note: git describe doesn't work if no tag is available
try:
git_tag = subprocess.check_output(["git", "describe", "--dirty", "--always"], universal_newlines=True).strip()
except subprocess.CalledProcessError:
git_tag = ""
try:
git_hash = subprocess.check_output(["git", "rev-parse", "--short", "HEAD"], stderr=subprocess.STDOUT, universal_newlines=True).strip()
except subprocess.CalledProcessError:
git_hash = "unknown"
try:
# Check if there are any modified files.
subprocess.check_call(["git", "diff", "--no-ext-diff", "--quiet", "--exit-code"], stderr=subprocess.STDOUT)
# Check if there are any staged files.
subprocess.check_call(["git", "diff-index", "--cached", "--quiet", "HEAD", "--"], stderr=subprocess.STDOUT)
except subprocess.CalledProcessError:
git_hash += "-dirty"
# Try to extract MicroPython version from git tag
if git_tag.startswith("v"):
ver = git_tag[1:].split("-")[0].split(".")
if len(ver) == 2:
ver.append("0")
else:
ver = ["0", "0", "1"]
# Generate the file with the git and version info
file_data = """\
// This file was generated by py/makeversionhdr.py
#define MICROPY_GIT_TAG "%s"
#define MICROPY_GIT_HASH "%s"
#define MICROPY_BUILD_DATE "%s"
#define MICROPY_VERSION_MAJOR (%s)
#define MICROPY_VERSION_MINOR (%s)
#define MICROPY_VERSION_MICRO (%s)
#define MICROPY_VERSION_STRING "%s.%s.%s"
""" % (git_tag, git_hash, datetime.date.today().strftime("%Y-%m-%d"),
ver[0], ver[1], ver[2], ver[0], ver[1], ver[2])
# Check if the file contents changed from last time
write_file = True
if os.path.isfile(filename):
with open(filename, 'r') as f:
existing_data = f.read()
if existing_data == file_data:
write_file = False
# Only write the file if we need to
if write_file:
print("Generating %s" % filename)
with open(filename, 'w') as f:
f.write(file_data)
make_version_header(sys.argv[1])