tmpdir

package
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Published: Apr 24, 2019 License: Apache-2.0 Imports: 2 Imported by: 0

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Overview

Package tmpdir is a TESTING-ONLY utility.

Some tests directly or indirectly exercising the directory/explicitfilepath subpackage expect the path returned by ioutil.TempDir to be canonical in the directory/explicitfilepath sense (absolute, no symlinks, cleaned up).

ioutil.TempDir uses $TMPDIR by default, and on macOS, $TMPDIR is by default set to /var/folders/…, with /var a symlink to /private/var , which does not match our expectations. So, tests which want to use ioutil.TempDir that way, can import _ "github.com/containesr/image/internal/testing/explicitfilepath-tmpdir" to ensure that $TMPDIR is canonical and usable as a base for testing path canonicalization in its subdirectories.

NEVER use this in non-testing subpackages!

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