Source file src/github.com/spf13/viper/file_finder.go

Documentation: github.com/spf13/viper

     1  //go:build finder
     2  
     3  package viper
     4  
     5  import (
     6  	"fmt"
     7  
     8  	"github.com/sagikazarmark/locafero"
     9  )
    10  
    11  // Search all configPaths for any config file.
    12  // Returns the first path that exists (and is a config file).
    13  func (v *Viper) findConfigFile() (string, error) {
    14  	var names []string
    15  
    16  	if v.configType != "" {
    17  		names = locafero.NameWithOptionalExtensions(v.configName, SupportedExts...)
    18  	} else {
    19  		names = locafero.NameWithExtensions(v.configName, SupportedExts...)
    20  	}
    21  
    22  	finder := locafero.Finder{
    23  		Paths: v.configPaths,
    24  		Names: names,
    25  		Type:  locafero.FileTypeFile,
    26  	}
    27  
    28  	results, err := finder.Find(v.fs)
    29  	if err != nil {
    30  		return "", err
    31  	}
    32  
    33  	if len(results) == 0 {
    34  		return "", ConfigFileNotFoundError{v.configName, fmt.Sprintf("%s", v.configPaths)}
    35  	}
    36  
    37  	return results[0], nil
    38  }
    39  

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