/
config.go
70 lines (64 loc) · 1.07 KB
/
config.go
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package manager
import (
"bufio"
"bytes"
"os"
"os/exec"
"strings"
"unicode"
)
const (
COMMENT = byte('#')
LINECONTINUE = byte('\\')
)
func (m *Manager) LoadConfig(f string) error {
file, err := os.Open(f)
if err != nil {
return err
}
defer file.Close()
reader := bufio.NewReader(file)
if err != nil {
return err
}
conf, err := parseConfig(reader)
if err != nil {
return err
}
go execConfig(conf)
return nil
}
func parseConfig(r *bufio.Reader) ([]string, error) {
lineno := 0
var err error
var ret []string
for err == nil {
l, _, err := r.ReadLine()
if err != nil {
break
}
lineno++
if len(l) == 0 || l[0] == COMMENT {
continue
}
for l[len(l)-1] == LINECONTINUE {
nl, _, err := r.ReadLine()
if err != nil {
break
}
l = append(l, bytes.TrimFunc(nl, unicode.IsSpace)...)
}
ret = append(ret, string(l))
}
return ret, err
}
func execConfig(cmd []string) {
for _, c := range cmd {
spl := strings.Split(c, " ")
rc := exec.Command(spl[0], spl[1:]...)
go execCmd(rc)
}
}
func execCmd(c *exec.Cmd) {
c.Run()
}