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package deb
import (
"fmt"
"os/exec"
"regexp"
"strings"
"github.com/aptly-dev/aptly/utils"
)
var ppaRegexp = regexp.MustCompile("^ppa:([^/]+)/(.+)$")
// ParsePPA converts ppa URL like ppa:user/ppa-name to full HTTP url
func ParsePPA(ppaURL string, config *utils.ConfigStructure) (url string, distribution string, components []string, err error) {
matches := ppaRegexp.FindStringSubmatch(ppaURL)
if matches == nil {
err = fmt.Errorf("unable to parse ppa URL: %v", ppaURL)
return
}
distributorID := config.PpaDistributorID
if distributorID == "" {
distributorID, err = getDistributorID()
if err != nil {
err = fmt.Errorf("unable to figure out Distributor ID: %s, please set config option ppaDistributorID", err)
return
}
}
codename := config.PpaCodename
if codename == "" {
codename, err = getCodename()
if err != nil {
err = fmt.Errorf("unable to figure out Codename: %s, please set config option ppaCodename", err)
return
}
}
distribution = codename
components = []string{"main"}
url = fmt.Sprintf("http://ppa.launchpad.net/%s/%s/%s", matches[1], matches[2], distributorID)
return
}
func getCodename() (string, error) {
out, err := exec.Command("lsb_release", "-sc").Output()
return strings.TrimSpace(string(out)), err
}
func getDistributorID() (string, error) {
out, err := exec.Command("lsb_release", "-si").Output()
return strings.ToLower(strings.TrimSpace(string(out))), err
}
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