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Workaround docker cp bug

Browse Source 
https://github.com/moby/moby/issues/38995
This commit is contained in:
Joe Rickerby
2020-03-13 12:58:23 +00:00
parent e49644edf2
commit 4e31c65d09
1 changed files with 10 additions and 3 deletions
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cibuildwheel/linux.py
+10 -3
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@@ -110,9 +110,16 @@ def build(project_dir, output_dir, test_command, before_test, test_requires, tes
for config in platform_configs: for config in platform_configs:
if dependency_constraints: if dependency_constraints:
constraints_file = dependency_constraints.get_for_python_version(config.version) constraints_file = dependency_constraints.get_for_python_version(config.version)
subprocess.run(['docker', 'cp',
os.path.abspath(constraints_file), # `docker cp` causes 'no space left on device' error when
container_name + ':/constraints.txt'], check=True) # a container is running and the host filesystem is
# mounted. https://github.com/moby/moby/issues/38995
# Use `docker exec` instead.
with open(constraints_file, 'rb') as f:
subprocess.run(
['docker', 'exec', container_name, 'sh', '-c', 'cat > /constraints.txt'],
input=f.read(),
)
subprocess.run( subprocess.run(
['docker', 'exec', '-i', container_name, '/bin/bash'], ['docker', 'exec', '-i', container_name, '/bin/bash'],