diff --git a/functions.py b/functions.py
index c9f4a24..06a69f4 100644
--- a/functions.py
+++ b/functions.py
@@ -30,6 +30,7 @@ def buildFromSource(tag):
 def getVersionList(string):
     return list(map(int, string.split('.')))
 
+
 # Function to check if there is a new version
 def checkVersion(new_version, old_version):
     new_version_list = getVersionList(new_version)
@@ -39,4 +40,13 @@ def checkVersion(new_version, old_version):
         if val > old_version_list[id]:
             return True
 
-    return None
\ No newline at end of file
+    return None
+
+# Function to check if tool is available
+def is_tool(name):
+    ##Check whether `name` is on PATH and marked as executable.
+
+    # from whichcraft import which
+    from shutil import which
+
+    return which(name) is not None
diff --git a/settings.py b/settings.py
index 7dfcb83..8554105 100644
--- a/settings.py
+++ b/settings.py
@@ -13,8 +13,10 @@ gtgithubapiurl = 'https://api.github.com/repos/go-gitea/gitea/releases/latest'
 # Gitea System
 gtsystem = 'linux-amd64'
 # Name and Path of gitea file
-gtfile = '/home/git/gitea'
+gtfile = '/usr/local/bin/gitea'
+# tmp Name and Path of gitea file
+tmpdir  = '/tmp/'
 # Build new version from source?
 build_from_source = None
 # Source directroy
-source_dir = '/home/git/go/src/code.gitea.io/gitea'
\ No newline at end of file
+source_dir = '/home/git/go/src/code.gitea.io/gitea'
diff --git a/updater.py b/updater.py
index c26565e..d855ac2 100644
--- a/updater.py
+++ b/updater.py
@@ -11,19 +11,24 @@ import requests
 import os
 import functions
 
+if not functions.is_tool("xz"):
+	print ("missing dependency: xz")
+	quit()
+
 # Version from gitea site
 current_version = requests.get(settings.gtsite).json()['version']
-
+print ("current_version =", current_version)
 # Get version tag from github and remove first char (v)
 github_version_tag = requests.get(settings.gtgithubapiurl).json()['tag_name']
-
+print ("github_version_tag =", github_version_tag)
 # Get version from version tag
 github_version = github_version_tag[1:]
-
 # Check if there is a new version
 if functions.checkVersion(github_version, current_version):
 
+
     # Stop systemd service
+    print ("new version available, stopping service")
     os.system("systemctl stop gitea.service")
 
     # Should the new version be build from source?
@@ -32,12 +37,50 @@ if functions.checkVersion(github_version, current_version):
         functions.buildFromSource(github_version_tag)
 
     else:
-
         # Set download url
-        gtdownload = 'https://github.com/go-gitea/gitea/releases/download/'+github_version_tag+'/gitea-'+github_version+'-'+settings.gtsystem
+        ## main file
+        gtdownload = 'https://github.com/go-gitea/gitea/releases/download/'+github_version_tag+'/gitea-'+github_version+'-'+settings.gtsystem+'.xz'
+        print (gtdownload)
+        ## sha256 file
+        shadownload = 'https://github.com/go-gitea/gitea/releases/download/'+github_version_tag+'/gitea-'+github_version+'-'+settings.gtsystem+'.xz.sha256'
+        print (shadownload)
 
         # Download file
-        functions.download(gtdownload, settings.gtfile)
+
+        ## downloading sha
+        print ("downloading sha256 hashsum")
+        functions.download(shadownload, settings.tmpdir+'gitea.xz.sha256')
+        ## downloading xz
+        print ("downloading", github_version_tag+'gitea.xz')
+        tmpxz = settings.tmpdir+'gitea-'+github_version+'-'+settings.gtsystem+'.xz'
+        functions.download(gtdownload, tmpxz)
+
+        # doing sha256 sum
+        os.chdir(settings.tmpdir)
+        #sha_value = os.system("sha256sum -c gitea.xz.sha256 > /dev/null")
+
+        if os.system("sha256sum -c gitea.xz.sha256 > /dev/null") == 0:
+        	print ("sha ok, extracting file to location")
+        	# extracting download file
+        	cmd = "xz -d "+tmpxz
+        	print (cmd)
+        	os.system(cmd)
+        	#  moving temp file to gtfile location
+        	cmd = 'mv '+settings.tmpdir+'gitea-'+github_version+'-'+settings.gtsystem+' '+settings.gtfile
+        	print (cmd)
+        	os.system(cmd)
+        else:
+        	print ("error")
+        	quit()
 
     # Start systemd service
+    print ("starting gitea.service")
     os.system("systemctl start gitea.service")
+
+    print ("update successfully")
+
+
+else:
+
+	#Print current version is uptodate
+	print ("current version is uptodate")