Parabricks installer patch

gistfile1.txt

diff --git a/installer.py b/installer.py
index e3c723e..3ec86ff 100755
--- a/installer.py
+++ b/installer.py
@@ -167,8 +167,8 @@ def check_singularity():
   run_and_return(["singularity", "--version"], "singularity --version failed. Please check installation of singularity.")
   cmd_proc = subprocess.Popen(["singularity", "--version"], stdout = subprocess.PIPE, universal_newlines=True)
   singularity_version = cmd_proc.stdout.readline().split('.')
-  if "singularity version " in singularity_version[0]:
-    if os.getuid() != 0:
+  if ("singularity version " in singularity_version[0]) or ("SingularityPRO version " in singularity_version[0]):
+    if (install_args.fakeroot == False) and (os.getuid() != 0):
       print(textwrap.fill("You need root permissions to install with singularity v3.x or higher. Try with sudo, or install on a machine with sudo and copy the parabricks folder, or contact system administrator", 120))
       InstallAbort()
     return "singularity 3.x"
@@ -237,6 +237,7 @@ def get_install_args():
   parser.add_argument("--force", help="Disable interactive installation", action='store_true', default=False)
   parser.add_argument("--ngc", help="Pull image from NGC", action='store_false', default=True)
   parser.add_argument("--cpu-only", help="Install CPU only accelerated tools", action='store_true', default=False)
+  parser.add_argument("--fakeroot", help="Build singularity image with fakeroot option", action='store_true', default=False)
   allArgs = parser.parse_args()
   if allArgs.uninstall == True:
     print("Starting Uninstallation\n")
@@ -318,7 +319,11 @@ def install_singularity_image_v3():
       singularity_definition_file.write("Registry: registry.gitlab.com\n\n")
     singularity_definition_file.write("%post\n")
     singularity_definition_file.write("  chmod 777 /parabricks\n")
-  run_and_return(["singularity", "build", image_full_name, "pb.def"], "Could not download singularity image", False, True, newEnviron)
+  
+  if install_args.fakeroot == False:
+    run_and_return(["singularity", "build", image_full_name, "pb.def"], "Could not download singularity image", False, True, newEnviron)
+  else:
+    run_and_return(["singularity", "build", "--fakeroot", image_full_name, "pb.def"], "Could not download singularity image", False, True, newEnviron)
   os.remove("pb.def")
   os.chdir(currentDir)