dont change writable flags by default

smodels/lib/pythia8/installer.py

@@ -145,7 +145,7 @@ def compilePythia():
         sys.stdout.buffer.write(c)
         sys.stdout.buffer.flush()
 
-def fixACLs():
+def protectInstall():
     """ finally, remove all writable flags from install. when running 
     many pythia8 instances in parallel, for some reason they sometimes deleted
     files from the install, making the install unusable """
@@ -165,14 +165,16 @@ def installPythia():
     fetch()
     unzip()
     compilePythia()
-    fixACLs()
+    # protectInstall() # dont do this by default
     rmTarball()
 
 if __name__ == "__main__":
     import argparse
     parser = argparse.ArgumentParser(description="pythia8 install script" )
     parser.add_argument( '-i', '--install', help='install pythia8',
                          action='store_true') 
+    parser.add_argument( '-p', '--protect', help='protect pythia8 install',
+                         action='store_true') 
     parser.add_argument( '-v', '--version', help='report pythiaversion',
                          action='store_true') 
     args = parser.parse_args()
@@ -184,3 +186,5 @@ def installPythia():
         # just to suppress a warning msg in github actions
         os.environ["TERM"]="xterm"
     installPythia()
+    if args.protect:
+        protectInstall()