Caups/pakcs2 dockerfile assistant script (git-for-windows compatible)

pakcs.sh

#!/bin/sh
# shell script to run the Docker image caups/pakcs2
# with appropriate options in order to use PAKCS
# with local files and invoke tools contained in the image

export MSYS_NO_PATHCONV=1

# set docker options:
# run interactive, remove container after execution
DOCKEROPTS="-it --rm"
# mount current working directory and user's home directory
DOCKEROPTS="$DOCKEROPTS -v `pwd`:`pwd` -w `pwd` -v $HOME:$HOME -e HOME=$HOME"
# set docker user to host user
DOCKEROPTS="$DOCKEROPTS -u $(id -u):$(id -g)"

ENTRYPOINT=""
HELP=no

# check whether an installed tool should be invoked:
case $(basename $0) in
  cypm              ) ENTRYPOINT="/pakcs/pakcs/bin/cypm" ;;
  curry-check       ) ENTRYPOINT="/pakcs/cpm/bin/curry-check" ;;
  curry-doc         ) ENTRYPOINT="/pakcs/cpm/bin/curry-doc" ;;
esac

if [ ! -n "$ENTRYPOINT" ] ; then
  case $1 in
    --help | -h | -\? ) HELP=yes ;;
    pakcs             ) shift ;;
    cypm              ) shift ; ENTRYPOINT="/pakcs/pakcs/bin/cypm" ;;
    curry-check       ) shift ; ENTRYPOINT="/pakcs/cpm/bin/curry-check" ;;
    curry-doc         ) shift ; ENTRYPOINT="/pakcs/cpm/bin/curry-doc" ;;
  esac

  if [ $HELP = yes ] ; then
    echo "Usage: pakcs...-docker [options]"
    echo ""
    echo "-h|-?|--help       : show this message and quit"
    echo "cypm <opts>        : invoke Curry Package Manager with <opts>"
    echo "curry-check <opts> : invoke CurryCheck with <opts>"
    echo "curry-doc   <opts> : invoke CurryDoc with <opts>"
    echo "pakcs <opts>       : invoke PAKCS with <opts>"
    echo "<opts>             : invoke PAKCS with <opts>"
    exit
  fi
fi


if [ -n "$ENTRYPOINT" ] ; then
  DOCKEROPTS="$DOCKEROPTS --entrypoint=$ENTRYPOINT"
fi

docker run $DOCKEROPTS caups/pakcs2 ${1+"$@"}