podman

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//go:build go1.16 && finder
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// +build go1.16,finder
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package viper
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import (
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	"fmt"
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	"github.com/spf13/afero"
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)
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// Search all configPaths for any config file.
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// Returns the first path that exists (and is a config file).
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func (v *Viper) findConfigFile() (string, error) {
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	finder := finder{
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		paths:            v.configPaths,
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		fileNames:        []string{v.configName},
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		extensions:       SupportedExts,
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		withoutExtension: v.configType != "",
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	}
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	file, err := finder.Find(afero.NewIOFS(v.fs))
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	if err != nil {
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		return "", err
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	}
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	if file == "" {
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		return "", ConfigFileNotFoundError{v.configName, fmt.Sprintf("%s", v.configPaths)}
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	}
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	return file, nil
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}
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