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Made efrocache extraction more robust

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This commit is contained in:
Eric Froemling 2020-06-18 11:54:53 -07:00
parent 334ac7aa5e
commit c5b0d977e3
1 changed files with 19 additions and 2 deletions
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21
tools/efrotools/efrocache.py
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@ -98,7 +98,7 @@ def get_target(path: str) -> None:
# download it.
if not os.path.exists(local_cache_path):
os.makedirs(os.path.dirname(local_cache_path), exist_ok=True)
print(f'Downloading: {Clr.SBLU}{path}{Clr.RST}')
print(f'Downloading: {Clr.BLU}{path}{Clr.RST}')
result = subprocess.run(
f'curl --fail --silent {url} --output {local_cache_path_dl}',
shell=True,
@ -118,8 +118,25 @@ def get_target(path: str) -> None:
# Ok we should have a valid .tar.gz file in our cache dir at this point.
# Just expand it and it get placed wherever it belongs.
# Strangely, decompressing lots of these simultaneously leads to occasional
# "File does not exist" errors when running on Windows Subystem for Linux.
# There should be no overlap in files getting written, but perhaps
# something about how tar rebuilds the directory structure causes clashes.
# It seems that just explicitly creating necessary directories first
# prevents the problem.
os.makedirs(os.path.dirname(path), exist_ok=True)
print(f'Extracting: {path}')
run(f'tar -zxf {local_cache_path}')
try:
subprocess.run(['tar', '-zxf', local_cache_path], check=True)
except Exception:
# If something goes wrong, try to make sure we don't leave a half
# decompressed file lying around or whatnot.
print(f"Error expanding cache archive for '{local_cache_path}'.")
if os.path.exists(local_cache_path):
os.remove(local_cache_path)
raise
# The file will wind up with the timestamp it was compressed with,
# so let's update its timestamp or else it will still be considered