fix conversion script

Author: nitins17

ci/utilities/convert_msys_paths_to_win_paths.py

@@ -79,10 +79,10 @@ def main(parsed_args: argparse.Namespace):
   parser.add_argument('--convert',
                       nargs='+',
                       required=True,
-                      help='Space separated list of variables and values to convert. E.g: --convert foo=/path/to/bar')
+                      help='Space separated list of environment variables to convert. E.g: --convert env_var1 env_var2')
   parser.add_argument('--exclude',
                     nargs='*',
-                    help='Optional list of variables to exclude')
+                    help='Optional space separated list of environment variables to exclude')
   args = parser.parse_args()
 
   main(args)

ci/utilities/setup_build_environment.sh

@@ -73,6 +73,6 @@ fi
 # For Windows, convert MSYS Linux-like paths to Windows paths.
 if [[ $(uname -s) =~ "MSYS_NT" ]]; then
   echo 'Converting MSYS Linux-like paths to Windows paths (for Docker, Python, etc.)'
-  # Convert all "_DIR" variables to Windows paths.
-  source <(python3 ./ci/utilities/convert_msys_paths_to_win_paths.py --convert $(env | grep "JAXCI.*DIR"))
+  # Convert all "JAXCI.*DIR" variables
+  source <(python3 ./ci/utilities/convert_msys_paths_to_win_paths.py --convert $(env | grep "JAXCI.*DIR" | awk -F= '{print $1}'))
 fi