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package main
import (
"bytes"
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"os/user"
"gopkg.in/yaml.v2"
)
type BranchList struct {
Branches []string
}
func getHomeDir() string {
usr, err := user.Current()
if err != nil {
log.Fatal(err)
}
return usr.HomeDir
}
func OpenRCFile() (f *os.File, err error) {
file_path := getHomeDir() + "/.git-checkout-history"
if _, err := os.Stat(file_path); os.IsNotExist(err) {
return os.Create(file_path)
} else {
return os.Open(file_path)
}
}
func store(branch string) {
branchList := BranchList{}
rcfile, err := OpenRCFile()
if err != nil {
log.Fatal(err)
}
rcfile.Close()
file_path := getHomeDir() + "/.git-checkout-history"
data, err := ioutil.ReadFile(file_path)
if err != nil {
log.Fatal(err)
}
err = yaml.Unmarshal(data, &branchList)
if err != nil {
log.Fatal(err)
}
branchList.Branches = append([]string{branch}, branchList.Branches...)
data, err = yaml.Marshal(&branchList)
if err != nil {
log.Fatal(err)
}
err = ioutil.WriteFile(file_path, data, 0644)
if err != nil {
log.Fatal(err)
}
}
func main() {
args := os.Args[1:]
if len(args) > 0 {
store(args[0])
cmd := exec.Command("git", "checkout", args[0])
var out bytes.Buffer
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
}
fmt.Println(out.String())
}
}
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