setup-bash

#!/bin/bash
set -e

SOURCE=${BASH_SOURCE[0]}
while [ -L "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
  DOT_DIR=$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )
  SOURCE=$(readlink "$SOURCE")
  [[ $SOURCE != /* ]] && SOURCE=$DIR/$SOURCE # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
DOT_DIR=$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )

# Figure out how to link files in this environment
USE_SYMLINKS=1
test_link="test_symlink"
test_target="."
if [[ $OSTYPE == "msys" || $OSTYPE == "cygwin" ]]; then
    echo "Testing symlink creation"
    export MSYS="$MSYS winsymlinks:nativestrict"
    export CYGWIN="$CYGWIN winsymlinks:nativestrict"
    set +e
    ln -s $test_target $test_link > /dev/null 2>&1
    ln_result=$?
    set -e
    if [ $ln_result -eq 0 ]; then
        # Cleanup
        rm "$test_link"
        echo "Current user can create symbolic links."
        USE_SYMLINKS=0
    else
        echo "Current Windows user is unable to create symbolic links."
    fi
else
    # Assume symlinks are available.
    USE_SYMLINKS=0
fi

UNDO_SCRIPT="$DOT_DIR/.local/undo-$(date +"%Y-%m-%d_%H-%M-%S")"
TEST_ONLY=1

create_link() {
    local target=$(realpath $1)
    local desired_link=$2

    if [ $USE_SYMLINKS -eq 0 ]; then
        do="ln -T -f -s \"$target\" \"$desired_link\""
        undo="unlink \"$desired_link\""
    else
        if [ -d "$target" ]; then
            do="(if [ -d \"$desired_link\" ]; then rm \"$desired_link\"; fi) && cmd //c mklink //J \"$(cygpath -w $desired_link)\" \"$(cygpath -w $target)\""
            undo="rm \"$desired_link\""
        else
            do="(if [ -f \"$desired_link\" ]; then rm \"$desired_link\"; fi) && cmd //c mklink //H \"$(cygpath -w $desired_link)\" \"$(cygpath -w $target)\""
            undo="rm \"$desired_link\""
        fi
    fi
    echo $do
    if [ $TEST_ONLY -ne 0 ]; then
        (eval $do) && (echo $undo >> $UNDO_SCRIPT)
    fi
}

provide_from() {
    local link=$1
    local target=$2
    mkdir -p "$(dirname $link)" 
    create_link $target $link
}

provide() {
    local link=$1
    local link_base=$(basename $link)
    local target_base=${link_base#.}
    provide_from $link "$DOT_DIR/$target_base"
}

while getopts "t" opt; do
    case $opt in
        t ) TEST_ONLY=0 ;;
    esac
done

if [ $TEST_ONLY -ne 0 ]; then
    mkdir -p $DOT_DIR/.local
    touch $UNDO_SCRIPT
    echo "#!/bin/bash" >> $UNDO_SCRIPT
fi

provide ~/.bashrc
provide ~/.bash_profile
provide ~/.gitconfig
provide ~/.inputrc
provide ~/.nvm
provide ~/.config.omp.json
provide ~/.emacs.el

echo "Linking winhome in WSL2."
~/.dotfiles/bin/wsl/link-winhome