diff --git a/buildqueue/git.go b/buildqueue/git.go
index 2ab877b..10c3b2f 100644
--- a/buildqueue/git.go
+++ b/buildqueue/git.go
@@ -11,7 +11,6 @@ import (
 	"time"
 
 	"github.com/go-git/go-git/v5"
-	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/object"
 	"github.com/go-git/go-git/v5/plumbing/transport/http"
 )
@@ -20,10 +19,9 @@ const configsFolder = "pika-build-config"
 
 func InitGit() error {
 	_, err := git.PlainClone(config.Configs.GitCache, false, &git.CloneOptions{
-		URL:           config.Configs.Buildrepo,
-		SingleBranch:  true,
-		ReferenceName: plumbing.ReferenceName(config.Configs.Buildbranch),
-		Depth:         1,
+		URL:          config.Configs.Buildrepo,
+		SingleBranch: true,
+		Depth:        1,
 		Auth: &http.BasicAuth{
 			Password: config.Configs.GitToken,
 			Username: config.Configs.GitUser,
@@ -52,8 +50,7 @@ func ResetAndPull() error {
 			Password: config.Configs.GitToken,
 			Username: config.Configs.GitUser,
 		},
-		RemoteName:    "origin",
-		ReferenceName: plumbing.ReferenceName(config.Configs.Buildbranch),
+		RemoteName: "origin",
 	})
 	return err
 }
diff --git a/fastmap/fastmap.go b/fastmap/fastmap.go
index 0d24c95..4eb6750 100644
--- a/fastmap/fastmap.go
+++ b/fastmap/fastmap.go
@@ -3,6 +3,7 @@ package fastmap
 import (
 	"fmt"
 	"strings"
+	"sync"
 
 	"slices"
 
@@ -10,6 +11,7 @@ import (
 )
 
 type Fastmap[K comparable, V any] struct {
+	mu    sync.RWMutex
 	idx   map[K]int
 	store []fastmapValue[K, V]
 }
@@ -27,6 +29,8 @@ func New[K comparable, V any]() *Fastmap[K, V] {
 }
 
 func (m *Fastmap[K, V]) Set(key K, value V) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
 	if _, ok := m.idx[key]; ok {
 		m.store[m.idx[key]].Value = value
 		return
@@ -36,6 +40,8 @@ func (m *Fastmap[K, V]) Set(key K, value V) {
 }
 
 func (m *Fastmap[K, V]) Get(key K) (value V, ok bool) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
 	idx, ok := m.idx[key]
 	if !ok {
 		return
@@ -44,6 +50,8 @@ func (m *Fastmap[K, V]) Get(key K) (value V, ok bool) {
 }
 
 func (m *Fastmap[K, V]) Delete(key K) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
 	idx, ok := m.idx[key]
 	if !ok {
 		return
@@ -54,15 +62,21 @@ func (m *Fastmap[K, V]) Delete(key K) {
 }
 
 func (m *Fastmap[K, V]) Has(key K) bool {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
 	_, ok := m.idx[key]
 	return ok
 }
 
 func (m *Fastmap[K, V]) Len() int {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
 	return len(m.idx)
 }
 
 func (m *Fastmap[K, V]) GetPage(pageNum int, pageSize int) *Fastmap[K, V] {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
 	start := pageSize * pageNum
 	end := start + pageSize
 	if end > len(m.store) {
@@ -77,11 +91,15 @@ func (m *Fastmap[K, V]) GetPage(pageNum int, pageSize int) *Fastmap[K, V] {
 }
 
 func (m *Fastmap[K, V]) Clear() {
+	m.mu.Lock()
+	defer m.mu.Unlock()
 	m.idx = make(map[K]int)
 	m.store = make([]fastmapValue[K, V], 0)
 }
 
 func (m *Fastmap[K, V]) Iter(fn func(key K, value V) bool) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
 	for _, v := range m.store {
 		if !fn(v.Key, v.Value) {
 			break
@@ -90,6 +108,8 @@ func (m *Fastmap[K, V]) Iter(fn func(key K, value V) bool) {
 }
 
 func (m *Fastmap[K, V]) StableSortByKey() {
+	m.mu.Lock()
+	defer m.mu.Unlock()
 	slices.SortStableFunc(m.store, func(a, b fastmapValue[K, V]) int {
 		aKey := fmt.Sprint(a.Key)
 		bKey := fmt.Sprint(b.Key)
@@ -103,6 +123,8 @@ func (m *Fastmap[K, V]) StableSortByKey() {
 }
 
 func (m *Fastmap[K, V]) MarshalText() ([]byte, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
 	var builder strings.Builder
 	for _, v := range m.store {
 		builder.WriteString(fmt.Sprintf("%v:%v\n", v.Key, v.Value))
@@ -111,6 +133,8 @@ func (m *Fastmap[K, V]) MarshalText() ([]byte, error) {
 }
 
 func (m *Fastmap[K, V]) UnmarshalText(text []byte) error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
 	m.Clear()
 	lines := strings.Split(string(text), "\n")
 	for _, line := range lines {
@@ -135,6 +159,8 @@ func (m *Fastmap[K, V]) UnmarshalText(text []byte) error {
 }
 
 func (m *Fastmap[K, V]) MarshalJSON() ([]byte, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
 	temp := make(map[K]V)
 	for _, v := range m.store {
 		temp[v.Key] = v.Value
@@ -143,6 +169,8 @@ func (m *Fastmap[K, V]) MarshalJSON() ([]byte, error) {
 }
 
 func (m *Fastmap[K, V]) UnmarshalJSON(data []byte) error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
 	temp := make(map[K]V)
 	if err := json.Unmarshal(data, &temp); err != nil {
 		return err