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Automatically write .gitignore to cache dir, ignoring everything #8193

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merged 3 commits into from
Jan 21, 2020
Merged

Automatically write .gitignore to cache dir, ignoring everything #8193

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7f857d6
Automatically write .gitignore to cache dir, ignoring everything
scop Dec 22, 2019
90013eb
Add cache dir .gitignore only when we create the cache dir
scop Dec 23, 2019
8998cf5
Move cache dir .gitignore creation to helpers, don't use fscache for it
scop Jan 18, 2020
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8 changes: 8 additions & 0 deletions mypy/build.py
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Original file line number Diff line number Diff line change
Expand Up @@ -601,7 +601,15 @@ def __init__(self, data_dir: str,
and not has_reporters)
self.fscache = fscache
self.find_module_cache = FindModuleCache(self.search_paths, self.fscache, self.options)
# add ignore-all .gitignore to cache dir if we created it
cache_dir_existed = os.path.isdir(options.cache_dir)
self.metastore = create_metastore(options)
if not cache_dir_existed and os.path.isdir(options.cache_dir):
gitignore = os.path.join(options.cache_dir, ".gitignore")
if not fscache.isfile(gitignore):
with open(gitignore, "w") as f:
print("# Automatically created by mypy", file=f)
print("*", file=f)

# a mapping from source files to their corresponding shadow files
# for efficient lookup
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