forked from Masterminds/glide
/
hg.go
86 lines (70 loc) · 1.96 KB
/
hg.go
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package cmd
import (
"fmt"
"os"
"os/exec"
"strings"
)
type HgVCS struct{}
// If you can help clean this up or improve it, please submit patches!
// hgGet implements the getting logic for hg.
func (h *HgVCS) Get(dep *Dependency) error {
dest := fmt.Sprintf("%s/src/%s", os.Getenv("GOPATH"), dep.Name)
//Info("Cloning %s into %s\n", dep.Repository, dest)
fmt.Print("[INFO] hg: ")
out, err := exec.Command("hg", "clone", "-U", dep.Repository, dest).CombinedOutput()
fmt.Print(string(out))
return err
}
func (h *HgVCS) Update(dep *Dependency) error {
dest := fmt.Sprintf("%s/src/%s", os.Getenv("GOPATH"), dep.Name)
if _, err := os.Stat(dest); err != nil {
// Assume a new package?
Info("Looks like %s is a new package. Cloning.", dep.Name)
return exec.Command("hg", "clone", "-U", dep.Repository, dest).Run()
}
oldDir, err := os.Getwd()
if err != nil {
return err
}
os.Chdir(dest)
defer os.Chdir(oldDir)
out, err := exec.Command("hg", "pull").CombinedOutput()
fmt.Print(string(out))
return err
}
func (h *HgVCS) Version(dep *Dependency) error {
dest := fmt.Sprintf("%s/src/%s", os.Getenv("GOPATH"), dep.Name)
oldDir, err := os.Getwd()
if err != nil {
return err
}
os.Chdir(dest)
defer os.Chdir(oldDir)
//Info("Setting %s with 'hg checkout'\n", dep.Name)
// Now get to the right reference.
if len(dep.Reference) > 0 {
if out, err := exec.Command("hg", "update", "-q", dep.Reference).CombinedOutput(); err != nil {
fmt.Println(string(out))
return err
}
Info("Set version to %s to %s\n", dep.Name, dep.Reference)
}
return nil
}
func (h *HgVCS) LastCommit(dep *Dependency) (string, error) {
dest := fmt.Sprintf("%s/src/%s", os.Getenv("GOPATH"), dep.Name)
oldDir, err := os.Getwd()
if err != nil {
return "", err
}
os.Chdir(dest)
defer os.Chdir(oldDir)
out, err := exec.Command("hg", "identify").CombinedOutput()
if err != nil {
return "", err
}
parts := strings.SplitN(string(out), " ", 2)
sha := parts[0]
return sha, nil
}