cs-util-com/cscore

# This batch script can be used to link the folder its contained in
# into a target Unity project directory. The target directory must contain an 
# Assets folder as a savety guard to prevent linking mistakes
# https://developer.apple.com/library/archive/documentation/OpenSource/Conceptual/ShellScripting/shell_scripts/shell_scripts.html

#!/bin/bash
echo "Format: linkThisIntoAUnityProject.sh <destination>"

src=$PWD

if [[ $# < 1 ]]; then
    echo "Copy+Paste the target Unity project path where I should be linked into:"
    read tmp_dest
else
    tmp_dest="$@"
fi

# get abs path of destination
if [[ $tmp_dest == /* ]]; then
    echo "Destination: found absolute path: "$tmp_dest
    dest="$tmp_dest"
else
    echo "Destination: found relative path: "$tmp_dest
    dest="$PWD/$tmp_dest"
fi

echo "SRC: " $src
echo "DEST: " $dest

if [ ! -d "$dest" ]; then
  # Control will enter here if $DIRECTORY doesn't exist.
  echo "Destination directory does not exist: "$dest
  exit
fi

cd "$dest"
echo cd $PWD

echo "Searching for Assets directory.."

if [ ! -d "Assets" ]; then
    echo "Error: Assets directory not found."
    echo "Destination: Unity Project, must contain an Assets folder"
    exit 1
fi

echo "Assets folder found. Will start linking now.."

dest="$dest/Assets"

cd "$src"
echo cd $PWD

echo "Will start creating symlinks now.."


for dir in */; do
    dir=${dir%/}
    echo "create directory: $dest/$dir"
    mkdir -p "$dest/$dir"
    cd "$dir"
    echo cd $PWD

    for base in */; do
        base=${base%/}
        if [ "$(ls -d $base)" ]; then # Folder is not empty
            if [[ ($base == "Android" || $base == "iOS" || $base == "OSX") ]]; then
                mkdir -p "$dest/$dir/$base"
                cd "$base"
                echo cd $PWD
                for pluginBase in */; do
                    pluginBase=${pluginBase%/}
                    if [ "$(ls -d $pluginBase)" ]; then # Folder is not empty
                        echo "Link (Plugin) directory: $src/$dir/$base/$pluginBase to $dest/$dir/$base/$pluginBase"
                        ln -s "$src/$dir/$base/$pluginBase" "$dest/$dir/$base/$pluginBase"
                    fi
                done
                cd ..
                echo cd $PWD
            else
                echo "Link directory: $src/$dir/$base to $dest/$dir/$base"
                ln -s "$src/$dir/$base" "$dest/$dir/$base"
            fi
        fi
    done

    cd ..

done