init git log

cmd/log.go

@@ -0,0 +1,22 @@
+package cmd
+
+import (
+	"github.com/richardjennings/mygit/internal/mygit"
+	"github.com/spf13/cobra"
+	"log"
+)
+
+var logCmd = &cobra.Command{
+	Use:  "log",
+	Args: cobra.ExactArgs(0),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		if err := configure(); err != nil {
+			log.Fatalln(err)
+		}
+		return mygit.Log()
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(logCmd)
+}

internal/mygit/index/status.go

@@ -25,7 +25,7 @@ func (idx *Index) CommitStatus(sha []byte) ([]*fs.File, error) {
 		}
 		return files, nil
 	}
-	obj, err := objects.ReadObject(sha)
+	obj, err := objects.ReadObjectTree(sha)
 	if err != nil {
 		return nil, err
 	}

internal/mygit/mygit.go

@@ -3,7 +3,6 @@ package mygit
 import (
 	"errors"
 	"fmt"
-	"github.com/richardjennings/mygit/internal/mygit/commits"
 	"github.com/richardjennings/mygit/internal/mygit/config"
 	"github.com/richardjennings/mygit/internal/mygit/fs"
 	"github.com/richardjennings/mygit/internal/mygit/index"
@@ -34,6 +33,27 @@ func Init() error {
 	return os.WriteFile(config.GitHeadPath(), []byte(fmt.Sprintf("ref: %s\n", config.Config.DefaultBranch)), 0644)
 }
 
+// Log prints out the commit log for the current branch
+func Log() error {
+	branch, err := refs.CurrentBranch()
+	if err != nil {
+		return err
+	}
+	commitSha, err := refs.HeadSHA(branch)
+	if err != nil {
+		return err
+	}
+	commit, err := objects.ReadCommit(commitSha)
+	if err != nil {
+		return err
+	}
+	fmt.Printf("tree: %s\n", string(commit.Tree))
+	for _, v := range commit.Parents {
+		fmt.Printf("parent: %s\n", string(v))
+	}
+	return nil
+}
+
 // Add adds one or more file paths to the Index.
 func Add(paths ...string) error {
 	idx, err := index.ReadIndex()
@@ -104,12 +124,12 @@ func Commit() ([]byte, error) {
 	}
 	// git has the --allow-empty flag which here defaults to true currently
 	// @todo check for changes to be committed.
-	previousCommits, err := commits.PreviousCommits()
+	previousCommits, err := refs.PreviousCommits()
 	if err != nil {
 		return nil, err
 	}
-	return commits.Write(
-		&commits.Commit{
+	return objects.WriteCommit(
+		&objects.Commit{
 			Tree:          tree,
 			Parents:       previousCommits,
 			Author:        "Richard Jennings <[email protected]>",

internal/mygit/objects/object.go

@@ -1,14 +1,43 @@
 package objects
 
+import (
+	"io"
+	"time"
+)
+
 type (
 	Object struct {
-		Path    string
-		Typ     objectType
-		Sha     []byte
-		Objects []*Object
+		Path         string
+		Typ          objectType
+		Sha          []byte
+		Objects      []*Object
+		Length       int
+		HeaderLength int
+		ReadCloser   func() (io.ReadCloser, error)
 		//mode    string
 	}
 	objectType int
+	Commit     struct {
+		Sha           []byte
+		Tree          []byte
+		Parents       [][]byte
+		Author        string
+		AuthoredTime  time.Time
+		Committer     string
+		CommittedTime time.Time
+		Message       string
+	}
+	Tree struct {
+		Sha   []byte
+		Typ   objectType
+		Path  string
+		Items []*TreeItem
+	}
+	TreeItem struct {
+		Sha  []byte
+		Typ  objectType
+		Path string
+	}
 )
 
 const (