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testsuite: only use follow_symlinks if supported #7754

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testsuite: only use follow_symlinks if supported #7754

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4 changes: 2 additions & 2 deletions src/borg/testsuite/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -147,8 +147,8 @@ def is_utime_fully_supported():
else:
open(filepath, "w").close()
try:
os.utime(filepath, (1000, 2000), follow_symlinks=False)
new_stats = os.stat(filepath, follow_symlinks=False)
os.utime(filepath, (1000, 2000), follow_symlinks=False if os.utime in os.supports_follow_symlinks else True)
new_stats = os.stat(filepath, follow_symlinks=False if os.stat in os.supports_follow_symlinks else True)
Comment on lines 149 to +151
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Hmm, guess that needs to be done differently:
The code right above either creates a symlink (with a non-existing target as it seems) or a file.
So we can't just arbitrarily switch follow_symlinks to True/False below:

  • the target does not exist
  • also, line 144 seems to imply we want to know about utime behaviour on symlinks

So guess this needs double-checking:

  • what tests do use this and what exactly do we need to check here?
  • the utime call needs to match the fs object it is used with

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Also: never use a condition to decide between True or False. Above, you could've just used follow_symlinks=os.stat not in os.supports_follow_symlinks.

Reads a bit strange, but guess that's because the default (and always supported) behaviour is with True and the special (and sometimes unsupported) behaviour is with False.

if new_stats.st_atime == 1000 and new_stats.st_mtime == 2000:
return True
except OSError:
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