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package utils
import (
"io/ioutil"
"log"
"os"
"os/user"
"gopkg.in/yaml.v2"
)
var history_file string = ".git-checkout-history"
type BranchList struct {
Branches []string
}
func getHomeDir() string {
usr, err := user.Current()
if err != nil {
log.Fatal(err)
}
return usr.HomeDir
}
func OpenHistoryFile() (f *os.File, err error) {
file_path := getHomeDir() + "/" + history_file
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 := OpenHistoryFile()
if err != nil {
log.Fatal(err)
}
rcfile.Close()
file_path := getHomeDir() + "/" + history_file
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 Branches() []string {
branchList := BranchList{}
file_path := getHomeDir() + "/" + history_file
data, err := ioutil.ReadFile(file_path)
if err != nil {
log.Fatal("ERROR: No checkout history file. Run `checkout-store` to create it.")
}
err = yaml.Unmarshal(data, &branchList)
if err != nil {
log.Fatal(err)
}
return branchList.Branches
}
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