38 lines
673 B
Go
38 lines
673 B
Go
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package main
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import (
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"fmt"
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"os"
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"path"
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"strings"
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)
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// configFlags represents an array of JSON configuration files passed to a command line utility
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type configFlags []string
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func (f *configFlags) String() string {
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return strings.Join(*f, ", ")
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}
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func (f *configFlags) Set(value string) error {
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if !path.IsAbs(value) {
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// Convert to absolute path
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cwd, err := os.Getwd()
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if err != nil {
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return err
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}
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value = path.Join(cwd, value)
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}
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// Check that the file exists
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stat, err := os.Stat(value)
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if err != nil {
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return err
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}
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if stat.IsDir() {
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return fmt.Errorf("path does not represent a file: %s", value)
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}
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*f = append(*f, value)
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return nil
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}
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