129 lines
3.8 KiB
Python
129 lines
3.8 KiB
Python
"""
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Generate header file with macros defining MicroPython version info.
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This script works with Python 3.7 and newer
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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 pathlib
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import datetime
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import subprocess
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tools_describe = str(pathlib.Path(__file__).parent.parent / "tools/describe")
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def get_version_info_from_git():
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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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[tools_describe], stderr=subprocess.STDOUT, universal_newlines=True, shell=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 as e:
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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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# Try to extract MicroPython version from git tag
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ver = git_tag.split("-")[0].split(".")
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return git_tag, git_hash, ver
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def cannot_determine_version():
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raise SystemExit(
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"""Cannot determine version.
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CircuitPython must be built from a git clone with tags.
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If you cloned from a fork, fetch the tags from adafruit/circuitpython as follows:
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make fetch-tags"""
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)
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def make_version_header(filename):
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# Get version info using git (required)
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info = get_version_info_from_git()
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if info is None:
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cannot_determine_version()
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git_tag, git_hash, ver = info
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if len(ver) < 3:
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cannot_determine_version()
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else:
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version_string = ".".join(ver)
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build_date = datetime.date.today()
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if "SOURCE_DATE_EPOCH" in os.environ:
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build_date = datetime.datetime.utcfromtimestamp(
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int(os.environ["SOURCE_DATE_EPOCH"])
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).date()
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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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#define MICROPY_VERSION_MAJOR (%s)
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#define MICROPY_VERSION_MINOR (%s)
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#define MICROPY_VERSION_MICRO (%s)
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#define MICROPY_VERSION_STRING "%s"
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// Combined version as a 32-bit number for convenience
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#define MICROPY_VERSION (MICROPY_VERSION_MAJOR << 16 | MICROPY_VERSION_MINOR << 8 | MICROPY_VERSION_MICRO)
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#define MICROPY_FULL_VERSION_INFO "Adafruit CircuitPython " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE "; " MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME
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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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ver[0].replace("v", ""),
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ver[1],
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ver[2],
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version_string,
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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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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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