34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
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Honor the 'SOURCE_DATE_EPOCH' environment variable to allow for
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determinitic builds.
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--- a/Lib/py_compile.py
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+++ b/Lib/py_compile.py
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@@ -105,7 +105,10 @@ def compile(file, cfile=None, dfile=None, doraise=False):
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"""
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with open(file, 'U') as f:
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try:
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- timestamp = long(os.fstat(f.fileno()).st_mtime)
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+ if 'SOURCE_DATE_EPOCH' in os.environ:
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+ timestamp = long(os.environ['SOURCE_DATE_EPOCH'])
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+ else:
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+ timestamp = long(os.fstat(f.fileno()).st_mtime)
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except AttributeError:
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timestamp = long(os.stat(file).st_mtime)
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codestring = f.read()
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diff --git a/Python/import.c b/Python/import.c
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index e47ce63..7eecf9c 100644
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--- a/Python/import.c
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+++ b/Python/import.c
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@@ -945,6 +945,11 @@ write_compiled_module(PyCodeObject *co, char *cpathname, struct stat *srcstat, t
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/* Now write the true mtime (as a 32-bit field) */
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fseek(fp, 4L, 0);
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assert(mtime <= 0xFFFFFFFF);
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+ if (Py_GETENV("SOURCE_DATE_EPOCH") != NULL) {
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+ const char *epoch = Py_GETENV("SOURCE_DATE_EPOCH");
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+ mtime = atoi(epoch);
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+ }
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+
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PyMarshal_WriteLongToFile((long)mtime, fp, Py_MARSHAL_VERSION);
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fflush(fp);
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fclose(fp);
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