diff options
| author | iTitou <moiandme@gmail.com> | 2021-01-20 10:33:40 +0100 |
|---|---|---|
| committer | iTitou <moiandme@gmail.com> | 2021-01-31 17:48:59 +0100 |
| commit | 4fb5f012c32a2ed394091039a7213472001a98c9 (patch) | |
| tree | 55c2f5ea860ecb1b5628465aad9e01c9af5a989a /py/makeversionhdr.py | |
| parent | ef9fde7339b12e17596966afb2b3d641ca5fcff2 (diff) | |
py/makeversionhdr: Honor SOURCE_DATE_EPOCH if present.
This environment variable, if defined during the build process,
indicates a fixed time that should be used in place of "now" when
such a time is explicitely referenced.
This allows for reproducible builds of micropython.
See https://reproducible-builds.org/specs/source-date-epoch/
Signed-off-by: iTitou <moiandme@gmail.com>
Diffstat (limited to 'py/makeversionhdr.py')
| -rw-r--r-- | py/makeversionhdr.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/py/makeversionhdr.py b/py/makeversionhdr.py index 970a86e6c..2f4bc9182 100644 --- a/py/makeversionhdr.py +++ b/py/makeversionhdr.py @@ -80,6 +80,12 @@ def make_version_header(filename): git_tag, git_hash = info + build_date = datetime.date.today() + if "SOURCE_DATE_EPOCH" in os.environ: + build_date = datetime.datetime.utcfromtimestamp( + int(os.environ["SOURCE_DATE_EPOCH"]) + ).date() + # Generate the file with the git and version info file_data = """\ // This file was generated by py/makeversionhdr.py @@ -89,7 +95,7 @@ def make_version_header(filename): """ % ( git_tag, git_hash, - datetime.date.today().strftime("%Y-%m-%d"), + build_date.strftime("%Y-%m-%d"), ) # Check if the file contents changed from last time |