| 1 | Honor the 'SOURCE_DATE_EPOCH' environment variable to allow for
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| 2 | determinitic builds.
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| 3 |
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| 4 | |
| 5 | |
| 6 | @@ -105,7 +105,10 @@ def compile(file, cfile=None, dfile=None, doraise=False):
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| 7 | """
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| 8 | with open(file, 'U') as f:
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| 9 | try:
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| 10 | - timestamp = long(os.fstat(f.fileno()).st_mtime)
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| 11 | + if 'SOURCE_DATE_EPOCH' in os.environ:
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| 12 | + timestamp = long(os.environ['SOURCE_DATE_EPOCH'])
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| 13 | + else:
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| 14 | + timestamp = long(os.fstat(f.fileno()).st_mtime)
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| 15 | except AttributeError:
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| 16 | timestamp = long(os.stat(file).st_mtime)
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| 17 | codestring = f.read()
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| 18 | diff --git a/Python/import.c b/Python/import.c
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| 19 | index e47ce63..7eecf9c 100644
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| 20 | |
| 21 | |
| 22 | @@ -945,6 +945,11 @@ write_compiled_module(PyCodeObject *co, char *cpathname, struct stat *srcstat, t
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| 23 | /* Now write the true mtime (as a 32-bit field) */
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| 24 | fseek(fp, 4L, 0);
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| 25 | assert(mtime <= 0xFFFFFFFF);
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| 26 | + if (Py_GETENV("SOURCE_DATE_EPOCH") != NULL) {
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| 27 | + const char *epoch = Py_GETENV("SOURCE_DATE_EPOCH");
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| 28 | + mtime = atoi(epoch);
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| 29 | + }
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| 30 | +
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| 31 | PyMarshal_WriteLongToFile((long)mtime, fp, Py_MARSHAL_VERSION);
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| 32 | fflush(fp);
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| 33 | fclose(fp);
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