112 lines
3.1 KiB
Python
112 lines
3.1 KiB
Python
"""
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Generate header file with macros defining MicroPython version info.
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This script works with Python 2.6, 2.7, 3.3 and 3.4.
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"""
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from __future__ import print_function
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import sys
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import os
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import datetime
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import subprocess
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def get_version_info_from_git():
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# Python 2.6 doesn't have check_output, so check for that
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try:
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subprocess.check_output
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subprocess.check_call
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except AttributeError:
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return None
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# Note: git describe doesn't work if no tag is available
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try:
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git_tag = subprocess.check_output(
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["git", "describe", "--dirty", "--always"],
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stderr=subprocess.STDOUT,
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universal_newlines=True,
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).strip()
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except subprocess.CalledProcessError as er:
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if er.returncode == 128:
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# git exit code of 128 means no repository found
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return None
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git_tag = ""
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except OSError:
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return None
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try:
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git_hash = subprocess.check_output(
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["git", "rev-parse", "--short", "HEAD"],
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stderr=subprocess.STDOUT,
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universal_newlines=True,
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).strip()
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except subprocess.CalledProcessError:
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git_hash = "unknown"
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except OSError:
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return None
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try:
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# Check if there are any modified files.
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subprocess.check_call(
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["git", "diff", "--no-ext-diff", "--quiet", "--exit-code"], stderr=subprocess.STDOUT
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)
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# Check if there are any staged files.
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subprocess.check_call(
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["git", "diff-index", "--cached", "--quiet", "HEAD", "--"], stderr=subprocess.STDOUT
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)
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except subprocess.CalledProcessError:
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git_hash += "-dirty"
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except OSError:
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return None
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return git_tag, git_hash
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def get_version_info_from_docs_conf():
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with open(os.path.join(os.path.dirname(sys.argv[0]), "..", "docs", "conf.py")) as f:
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for line in f:
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if line.startswith("version = release = '"):
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ver = line.strip().split(" = ")[2].strip("'")
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git_tag = "v" + ver
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return git_tag, "<no hash>"
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return None
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def make_version_header(filename):
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# Get version info using git, with fallback to docs/conf.py
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info = get_version_info_from_git()
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if info is None:
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info = get_version_info_from_docs_conf()
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git_tag, git_hash = info
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# Generate the file with the git and version info
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file_data = """\
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// This file was generated by py/makeversionhdr.py
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#define MICROPY_GIT_TAG "%s"
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#define MICROPY_GIT_HASH "%s"
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#define MICROPY_BUILD_DATE "%s"
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""" % (
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git_tag,
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git_hash,
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datetime.date.today().strftime("%Y-%m-%d"),
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)
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# Check if the file contents changed from last time
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write_file = True
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if os.path.isfile(filename):
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with open(filename, "r") as f:
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existing_data = f.read()
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if existing_data == file_data:
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write_file = False
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# Only write the file if we need to
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if write_file:
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print("GEN %s" % filename)
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with open(filename, "w") as f:
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f.write(file_data)
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if __name__ == "__main__":
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make_version_header(sys.argv[1])
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