podman

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package tmpdir
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import (
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	"os"
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	"path/filepath"
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	"github.com/containers/common/pkg/config"
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	"github.com/sirupsen/logrus"
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)
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// GetTempDir returns the path of the preferred temporary directory on the host.
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func GetTempDir() string {
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	if tmpdir, ok := os.LookupEnv("TMPDIR"); ok {
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		abs, err := filepath.Abs(tmpdir)
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		if err == nil {
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			return abs
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		}
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		logrus.Warnf("ignoring TMPDIR from environment, evaluating it: %v", err)
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	}
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	if containerConfig, err := config.Default(); err == nil {
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		if tmpdir, err := containerConfig.ImageCopyTmpDir(); err == nil {
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			return tmpdir
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		}
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	}
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	return "/var/tmp"
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}
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