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Add a script to clamp source mtimes, invoke it from the bytecompilation BRP/macro

Browse source 
https://fedoraproject.org/wiki/Changes/ReproducibleBuildsClampMtimes
This commit is contained in:
Miro Hrončok 2022-12-15 21:06:17 +01:00
commit 77912c744d
4 changed files with 189 additions and 1 deletions
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15
brp-python-bytecompile
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@ -16,6 +16,16 @@ if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
exit 0
fi
# This function clamps the source mtime, see https://fedoraproject.org/wiki/Changes/ReproducibleBuildsClampMtimes
function python_clamp_source_mtime()
{
local _=$1
local python_binary=$2
local _=$3
local python_libdir="$4"
PYTHONPATH=/usr/lib/rpm/redhat/ $python_binary -B -m clamp_source_mtime -q "$python_libdir"
}
# This function now implements Python byte-compilation in three different ways:
# Python >= 3.4 and < 3.9 uses a new module compileall2 - https://github.com/fedora-python/compileall2
# In Python >= 3.9, compileall2 was merged back to standard library (compileall) so we can use it directly again.
@ -123,6 +133,11 @@ do
echo "Bytecompiling .py files below $python_libdir using $python_binary"
# Generate normal (.pyc) byte-compiled files.
python_clamp_source_mtime "" "$python_binary" "" "$python_libdir"
if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
# One or more of the files had inaccessible mtime
exit 1
fi
python_bytecompile "" "$python_binary" "" "$python_libdir"
if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
# One or more of the files had a syntax error