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svn.go
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svn.go
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package vcs
import (
"bytes"
"encoding/json"
"io"
"log"
"os/exec"
"path/filepath"
"strings"
)
func init() {
Register(newSvn, "svn", "subversion")
}
type SVNDriver struct {
Username string `json:"username"`
Password string `json:"password"`
}
func newSvn(b []byte) (Driver, error) {
var d SVNDriver
if b != nil {
if err := json.Unmarshal(b, &d); err != nil {
return nil, err
}
}
return &d, nil
}
func (g *SVNDriver) HeadRev(dir string) (string, error) {
cmd := exec.Command(
"svnversion")
cmd.Dir = dir
r, err := cmd.StdoutPipe()
if err != nil {
return "", err
}
defer r.Close()
if err := cmd.Start(); err != nil {
return "", err
}
var buf bytes.Buffer
if _, err := io.Copy(&buf, r); err != nil {
return "", err
}
return strings.TrimSpace(buf.String()), cmd.Wait()
}
func (g *SVNDriver) Pull(dir string) (string, error) {
cmd := exec.Command(
"svn",
"update",
"--ignore-externals",
"--username",
g.Username,
"--password",
g.Password)
cmd.Dir = dir
out, err := cmd.CombinedOutput()
if err != nil {
log.Printf("Failed to SVN update %s, see output below\n%sContinuing...", dir, out)
return "", err
}
return g.HeadRev(dir)
}
func (g *SVNDriver) Clone(dir, url string) (string, error) {
par, rep := filepath.Split(dir)
cmd := exec.Command(
"svn",
"checkout",
"--ignore-externals",
"--username",
g.Username,
"--password",
g.Password,
url,
rep)
cmd.Dir = par
out, err := cmd.CombinedOutput()
if err != nil {
log.Printf("Failed to checkout %s, see output below\n%sContinuing...", url, out)
return "", err
}
return g.HeadRev(dir)
}
func (g *SVNDriver) SpecialFiles() []string {
return []string{
".svn",
}
}