diff --git a/main/scratchpkg/.checksums b/main/scratchpkg/.checksums
index 1dbe9df37..32acb3f08 100644
--- a/main/scratchpkg/.checksums
+++ b/main/scratchpkg/.checksums
@@ -1,3 +1,4 @@
 c6182475cd990fb5c63ceec35394933d  c254ac0dc62a037f41bc269f1df291f6f53ab239.tar.gz
+d973b8d674eb1a65a1a51e452ff82a2b  portsync
 e653273a32632805f9493224fd3af227  scratchpkg.conf
 ea1fd5e5a7866a32a99c3ee6cef35d29  scratchpkg.repo
diff --git a/main/scratchpkg/.pkgfiles b/main/scratchpkg/.pkgfiles
index 3f8cfee54..f72ded5c0 100644
--- a/main/scratchpkg/.pkgfiles
+++ b/main/scratchpkg/.pkgfiles
@@ -1,4 +1,4 @@
-scratchpkg-20210515-1
+scratchpkg-20210702-2
 drwxr-xr-x root/root    etc/
 -rw-r--r-- root/root    etc/revdep.conf.spkgnew
 drwxr-xr-x root/root    etc/revdep.d/
diff --git a/main/scratchpkg/portsync b/main/scratchpkg/portsync
new file mode 100755
index 000000000..2e4d1e45d
--- /dev/null
+++ b/main/scratchpkg/portsync
@@ -0,0 +1,111 @@
+#!/bin/sh
+#
+#  scratchpkg
+#
+#  Copyright (c) 2018 by Emmett1  (emmett1.2miligrams@gmail.com)
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+
+cmp_copy() {
+	# usage:
+	#   cmp_copy <source dir> <target dir>
+	#
+	reponame=${2##*/}
+	for p in $1/*; do
+		[ -d $p ] || continue
+		pname=${p##*/}
+		if [ ! -d $2/$pname ]; then
+			mkdir -p $2/$pname
+			for f in $p/* $p/.pkgfiles $p/.checksums; do
+				[ -f $f ] || continue
+				case $f in
+					*/update) continue;;
+				esac
+				fname=${f##*/}
+				echo "  New: $reponame/$pname/$fname"
+				cp $f $2/$pname/$fname
+			done		
+		else
+			for f in $p/* $p/.pkgfiles $p/.checksums; do
+				[ -f $f ] || continue
+				case $f in
+					*/update) continue;;
+				esac
+				fname=${f##*/}
+				cmp -s $f $2/$pname/$fname || {
+					echo "  Edit: $reponame/$pname/$fname"
+					cp $f $2/$pname/$fname
+				}
+			done
+		fi
+	done
+	for p in $2/*; do
+		[ -d $p ] || continue
+		pname=${p##*/}
+		for f in $p/* $p/.pkgfiles $p/.checksums; do
+			[ -f $f ] || continue
+			fname=${f##*/}
+			if [ ! -f $1/$pname/$fname ]; then
+				echo "  Removed: $reponame/$pname/$fname"
+				rm $2/$pname/$fname
+			fi
+		done
+		if [ ! -d $1/$pname ]; then
+			rmdir $2/$pname
+		fi
+	done
+}
+
+github_sync() {
+	# usage:
+	#   github_sync <github url> <target dir>
+	#
+	echo "Updating repo: $2"
+	dir=$2
+	repo=${dir##*/}
+	url=$(echo $1 | cut -d / -f -5)
+	branch=$(echo $1 | cut -d / -f 7)
+	tmprepo=/tmp/tmprepo
+	echo " fetching $1"
+	rm -fr $tmprepo
+	git clone -q -b $branch $url $tmprepo
+	if [ $? != 0 ] || [ ! -d $tmprepo/$repo ]; then
+		echo " failed sync repo"
+		return 1
+	fi
+	cmp_copy $tmprepo/$repo $dir
+	rm -fr $tmprepo
+	echo " repo update completed"
+}
+
+REPO_FILE=/etc/scratchpkg.repo
+	
+if [ ! -e "$REPO_FILE" ]; then
+	echo "Repo file not found: $REPO_FILE"
+	exit 1
+fi
+
+if [ "$(id -u)" != 0 ]; then
+	echo "This operation need root access."
+	exit 1
+fi
+
+grep -Ev '^(#|$)' "$REPO_FILE" | awk '{print $1,$2}' | while read -r repodir repourl; do
+	if [ "$repodir" ] && [ "$repourl" ]; then
+		github_sync $repourl $repodir
+	fi
+done
+
+exit 0
diff --git a/main/scratchpkg/spkgbuild b/main/scratchpkg/spkgbuild
index c0551f929..8226a0791 100644
--- a/main/scratchpkg/spkgbuild
+++ b/main/scratchpkg/spkgbuild
@@ -1,9 +1,9 @@
 # description	: A simple package manager for Linux Distribution
-# depends	: coreutils libarchive
+# depends	: coreutils libarchive git
 
 name=scratchpkg
 version=20210702
-release=1
+release=2
 backup="etc/scratchpkg.conf
 	etc/scratchpkg.alias
 	etc/scratchpkg.repo
@@ -12,7 +12,8 @@ backup="etc/scratchpkg.conf
 scratchpkg_url=https://github.com/venomlinux/scratchpkg
 source="https://github.com/venomlinux/scratchpkg/archive/c254ac0dc62a037f41bc269f1df291f6f53ab239.tar.gz
 	$name.repo
-	$name.conf"
+	$name.conf
+	portsync"
 
 build() {
 	cd $name-c254ac0dc62a037f41bc269f1df291f6f53ab239
@@ -26,4 +27,5 @@ build() {
 	DESTDIR=$PKG ./INSTALL.sh
 	install -m644 $SRC/$name.repo $PKG/etc/$name.repo
 	install -m644 $SRC/$name.conf $PKG/etc/$name.conf
+	install -m755 $SRC/portsync $PKG/usr/bin/portsync
 }