diff --git a/dev/gen-archive.py b/dev/gen-archive.py
index c9d543e8..dc2d8257 100755
--- a/dev/gen-archive.py
+++ b/dev/gen-archive.py
@@ -16,54 +16,16 @@
 
 ############################################################
 import os
-import sys
 import shutil
-import tempfile
-import traceback
 import subprocess
-from contextlib import contextmanager
 from termcolor import cprint
+from common import print_exception, run_shell, jump_in_dir, jump_in_tmpdir
 
 ############################################################
 #extract version
 PACKAGE_NAME="malt"
 PACKAGE_VERSION="1.2.3"
 
-############################################################
-# Run command after logging it and intercept error
-def run_shell(cmd: str) -> None:
-    cprint(f"  + {cmd}", "light_blue")
-    subprocess.run(cmd, shell=True, check=True)
-
-############################################################
-@contextmanager
-def jump_in_dir(path: str):
-    '''
-    An helper semantic to jump temporarily in a directory. As wrapped with python 'with' semantic,
-    went back automatically on the previous one on error or success.
-    '''
-    # get old path
-    oldpwd = os.getcwd()
-
-    # chump in
-    os.chdir(path)
-
-    # handle return back afterward
-    try:
-        yield
-    finally:
-        os.chdir(oldpwd)
-
-############################################################
-@contextmanager
-def jump_in_tmpdir():
-    tmpdir = tempfile.mkdtemp()
-    try:
-        with jump_in_dir(tmpdir):
-            yield tmpdir
-    finally:
-        shutil.rmtree(tmpdir)
-
 ############################################################
 # Generate MALT archive
 def malt_dev_gen_archive(name: str = PACKAGE_NAME, version: str = PACKAGE_VERSION) -> None:
@@ -98,19 +60,6 @@ def malt_dev_gen_archive(name: str = PACKAGE_NAME, version: str = PACKAGE_VERSIO
     print("")
     cprint("Done", "green")
 
-##########################################################
-def print_exception(exception: Exception) -> None:
-    dir = os.getcwd()
-    cprint("-----------------------------------------------", 'red')
-    cprint(''.join(traceback.format_exception(exception)), 'dark_grey')
-    cprint("-----------------------------------------------", 'red')
-    cprint(f"Error from command : {' '.join(sys.argv)}", 'red')
-    cprint(f"Error from workdir : {dir}", 'red')
-    cprint("-----------------------------------------------", 'red')
-    cprint(str(exception), 'red')
-    cprint("-----------------------------------------------", 'red')
-    print("")
-
 ############################################################
 if __name__ == "__main__":
     try: