62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package main
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import (
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"bufio"
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"io"
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"io/ioutil"
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"os"
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"strings"
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)
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type Environment map[string]string
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// ReadDir reads a specified directory and returns map of env variables.
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// Variables represented as files where filename is name of variable, file first line is a value.
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func ReadDir(dir string) (Environment, error) {
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e := make(map[string]string)
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files, err := ioutil.ReadDir(dir)
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if err != nil {
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return e, err
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}
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for _, file := range files {
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if !file.IsDir() && file.Mode().IsRegular() {
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val, err := ReadFile(dir + "/" + file.Name())
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if err != nil {
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return nil, err
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}
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key := file.Name()
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if !strings.Contains(key, `=`) && !strings.Contains(key, `;`) {
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e[key] = ExtractEnv(val)
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}
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}
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}
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return e, nil
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}
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func ReadFile(filePath string) (string, error) {
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f, err := os.Open(filePath)
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defer func() {
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if err := f.Close(); err != nil {
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return
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}
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}()
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if err != nil {
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return "", err
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}
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reader := bufio.NewReader(f)
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b, _, err := reader.ReadLine()
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if err != nil && err != io.EOF {
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return "", err
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}
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return string(b), nil
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}
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func ExtractEnv(text string) string {
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text = strings.TrimRight(text, " ")
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text = strings.Replace(text, "\x00", "\n", -1)
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return text
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}
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