/
conf.go
58 lines (53 loc) · 1.22 KB
/
conf.go
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package main
import (
"fmt"
"io/ioutil"
"os"
"os/user"
"path/filepath"
"strings"
)
func fileExist(path string) bool {
if _, err := os.Stat(path); os.IsNotExist(err) {
return false
}
return true
}
// loads config file with key=value pairs into a map
func loadConfig(path string) (map[string]string, error) {
m := map[string]string{}
b, err := ioutil.ReadFile(path)
if err != nil {
return m, err
}
lines := strings.Split(string(b), "\n")
for _, line := range lines {
if strings.TrimSpace(line) == "" {
continue
}
i := strings.Index(line, "=")
if i == -1 {
return m, fmt.Errorf("invalid format %s in %s", line, path)
}
m[line[:i]] = line[i+1:]
}
return m, nil
}
// saves map to config file with key=value pairs
func saveConfig(path string, m map[string]string) error {
s := ""
for k, v := range m {
s += fmt.Sprintf("%s=%s", k, v)
}
return ioutil.WriteFile(path, []byte(s), 0644)
}
func readGlobalConf() map[string]string {
currentUser, err := user.Current()
if err != nil {
exitWithError("unable to access home dir")
}
linksDir := filepath.Join(currentUser.HomeDir, linkDirName)
globalConfPath := filepath.Join(linksDir, confName)
globalConf, _ := loadConfig(globalConfPath)
return globalConf
}