git-checkout-history: Output list of branches in history

On run, output the list of branches currently stored in
git-checkout-history.

1 files changed, 43 insertions, 0 deletions

diff --git a/git-checkout-history/main.go b/git-checkout-history/main.go
index e69de29..fa9747c 100644
--- a/git-checkout-history/main.go
+++ b/git-checkout-history/main.go
@@ -0,0 +1,43 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os/user"
+	
+	"gopkg.in/yaml.v2"
+)
+
+// TODO: move to package
+type BranchList struct {
+	Branches []string
+}
+
+// TODO: move to package
+func getHomeDir() string {
+	usr, err := user.Current()
+	if err != nil {
+		log.Fatal(err)
+	}
+	return usr.HomeDir
+}
+
+func main() {
+	branchList := BranchList{}
+	
+	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)
+	}
+	
+	for i := 1; i < len(branchList.Branches); i++ {
+		fmt.Printf("[%d] %s\n", i, branchList.Branches[i])
+	}
+}