setup

#!/usr/bin/env bash
##
##  claude-code-setup - Claude Code Setup Toolkit
##  Copyright (c) 2025 Dr. Ralf S. Engelschall <rse@engelschall.com>
##  Licensed under MIT <https://spdx.org/licenses/MIT>
##

#   sanity check usage
if [[ $1 != "import" && $1 != "install" && $1 != "uninstall" ]]; then
    echo "USAGE: setup import|install|uninstall [<prefix>]" 1>&2
    exit 1
fi

#   determine installation prefix
prefix="${2-$HOME}"

#   determine base directory
basedir=""
case "$0" in
    /* )
        #   absolute path
        basedir=$(dirname "$0")
        ;;
    */* )
        #   relative path
        basedir=$(dirname "$0")
        basedir=$(cd "$basedir" && pwd)
        ;;
    * )
        if [[ -f "./$0" ]]; then
            #   special case of local usage
            basedir=$(pwd)
        else
            #   no path
            OLD_IFS="$IFS"; IFS=":"
            for p in $PATH; do
                IFS="$OLD_IFS"
                if [[ -f "$p/$0" ]]; then
                    basedir="$p"
                    break
                fi
            done
            IFS="$OLD_IFS"
        fi
        ;;
esac

#   helper function for running a shell command
run () {
    echo "\$ $@"
    eval "$@"
}

#   dispatch according to command
case $1 in
    #   import all files (development only)
    import )
        for dir in $(grep -E "^DIR" $basedir/MANIFEST.txt | sed -e 's;^DIR *;;'); do
            run "mkdir -p $basedir/$dir"
        done
        for file in $(grep -E "^FILE" $basedir/MANIFEST.txt | sed -e 's;^FILE *;;'); do
            run "cp -p $prefix/$file $basedir/$file"
        done
        ;;

    #   install all files (production)
    install )
        for dir in $(grep -E "^DIR" $basedir/MANIFEST.txt | sed -e 's;^DIR *;;'); do
            run "mkdir -p $prefix/$dir"
        done
        for file in $(grep -E "^FILE" $basedir/MANIFEST.txt | sed -e 's;^FILE *;;'); do
            run "cp -p $basedir/$file $prefix/$file"
        done
        ;;

    #   uninstall all files (production)
    uninstall )
        for file in $(grep -E "^FILE" $basedir/MANIFEST.txt | sed -e 's;^FILE *;;'); do
            run "rm -f $prefix/$file"
        done
        for dir in $(grep -E "^DIR" $basedir/MANIFEST.txt | sed -e 's;^DIR *;;'); do
            run "rmdir $prefix/$dir"
        done
        ;;
esac