changed old manifest.toml to Packet.lua and some improvements for future 100% Packet.lua implementation

internal/utils/lua/git.go

@@ -1,9 +1,11 @@
 package utils_lua
 
 import (
+	"fmt"
 	"os"
 
-	"github.com/go-git/go-git"
+	"github.com/go-git/go-git/v6"
+	"github.com/go-git/go-git/v6/plumbing"
 	lua "github.com/yuin/gopher-lua"
 )
 
@@ -11,9 +13,15 @@ func LGitClone(L *lua.LState) int {
 	uri := L.CheckString(1)
 	output := L.CheckString(2)
 
-	_, err := git.PlainClone(output, false, &git.CloneOptions{
+	depth := 1
+	if L.GetTop() > 2 {
+		depth = L.CheckInt(3)
+	}
+
+	_, err := git.PlainClone(output, &git.CloneOptions{
 		URL:      uri,
 		Progress: os.Stdout,
+		Depth:    depth,
 	})
 	if err != nil {
 		L.Push(lua.LFalse)
@@ -25,4 +33,95 @@ func LGitClone(L *lua.LState) int {
 	return 2
 }
 
-func LGitCheckout(L)
+func LGitCheckout(L *lua.LState) int {
+	dir := L.CheckString(1)
+	branchorid := L.CheckString(2)
+
+	repo, err := git.PlainOpen(dir)
+	if err != nil {
+		L.Push(lua.LFalse)
+		L.Push(lua.LString(err.Error()))
+		return 2
+	}
+
+	worktree, err := repo.Worktree()
+	if err != nil {
+		L.Push(lua.LFalse)
+		L.Push(lua.LString(err.Error()))
+		return 2
+	}
+
+	if err := tryCheckout(*worktree, branchorid); err != nil {
+		L.Push(lua.LFalse)
+		L.Push(lua.LString(err.Error()))
+		return 2
+	}
+
+	L.Push(lua.LTrue)
+	L.Push(lua.LNil)
+	return 2
+}
+func LGitPUll(L *lua.LState) int {
+	dir := L.CheckString(1)
+
+	depth := 1
+	if L.GetTop() > 1 {
+		depth = L.CheckInt(2)
+	}
+
+	repo, err := git.PlainOpen(dir)
+	if err != nil {
+		L.Push(lua.LFalse)
+		L.Push(lua.LString(err.Error()))
+		return 2
+	}
+	worktree, err := repo.Worktree()
+	if err != nil {
+		L.Push(lua.LFalse)
+		L.Push(lua.LString(err.Error()))
+		return 2
+	}
+
+	if err := worktree.Pull(&git.PullOptions{Depth: depth}); err != nil {
+		L.Push(lua.LFalse)
+		L.Push(lua.LString(err.Error()))
+		return 2
+	}
+
+	L.Push(lua.LTrue)
+	L.Push(lua.LNil)
+	return 2
+}
+
+func tryCheckout(worktree git.Worktree, reference string) error {
+	err := worktree.Checkout(&git.CheckoutOptions{
+		Branch: plumbing.ReferenceName(reference),
+	})
+	if err == nil {
+		return nil
+	}
+
+	err = worktree.Checkout(&git.CheckoutOptions{
+		Branch: plumbing.ReferenceName("refs/heads/" + reference),
+	})
+	if err == nil {
+		return nil
+	}
+
+	err = worktree.Checkout(&git.CheckoutOptions{
+		Branch: plumbing.ReferenceName("refs/tags/" + reference),
+	})
+	if err == nil {
+		return nil
+	}
+
+	hash := plumbing.NewHash(reference)
+	err = worktree.Checkout(&git.CheckoutOptions{
+		Hash: hash,
+	})
+	if err == nil {
+		return nil
+	}
+
+	return fmt.Errorf("cannot checkout '%s' as branch, tag, or commit", reference)
+}