Handle macOS filesystem sometimes setting lower digits to zero.
import os
import sys
+def permit_osx_workaround(m1, m2):
+ import platform
+ if platform.system().lower() != 'darwin':
+ return False
+ if m2 % 10000 != 0:
+ return False
+ if m1//10000 != m2//10000:
+ return False
+ return True
+
if len(sys.argv) == 2:
assert(os.path.exists(sys.argv[1]))
elif len(sys.argv) == 3:
@@ -12,7 +22,11 @@ elif len(sys.argv) == 3:
m2 = os.stat(f2).st_mtime_ns
# Compare only os.stat()
if m1 != m2:
- raise RuntimeError(f'mtime of {f1!r} () != mtime of {m1!r} ()')
+ # Under macOS the lower four digits sometimes get assigned
+ # zero, even though shutil.copy2 should preserve metadata.
+ # Just have to accept it, I guess.
+ if not permit_osx_workaround(m1, m2):
+ raise RuntimeError(f'mtime of {f1!r} ({m1!r}) != mtime of {f2!r} ({m2!r})')
import filecmp
if not filecmp.cmp(f1, f2):
raise RuntimeError(f'{f1!r} != {f2!r}')
