#!/usr/bin/env sh

# Description: Copy selection to system clipboard as newline-separated entries
# Dependencies:
# - tr
# - xclip/xsel (Linux)
# - pbcopy (macOS)
# - termux-clipboard-set (Termux)
# - clip.exe (WSL)
# - clip (Cygwin)
# - wl-copy (Wayland)
# - clipboard (Haiku)
#
# Limitation: breaks if a filename has newline in it
#
# Note: For a space-separated list:
#       xargs -0 < "$SELECTION"
#
# Shell: POSIX compliant
# Author: Arun Prakash Jana

IFS="$(printf '%b_' '\n')"; IFS="${IFS%_}" # protect trailing \n

selection=${NNN_SEL:-${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection}
[ -s "$selection" ] || { echo "plugin .cbcp error: empty selection" >&2 ; exit 1; }

if type xsel >/dev/null 2>&1; then
    # Linux
    tr '\0' '\n' < "$selection" | xsel -bi
elif type xclip >/dev/null 2>&1; then
    # Linux
    tr '\0' '\n' < "$selection" | xclip -sel clip
elif type pbcopy >/dev/null 2>&1; then
    # macOS
    tr '\0' '\n' < "$selection" | pbcopy
elif type termux-clipboard-set >/dev/null 2>&1; then
    # Termux
    tr '\0' '\n' < "$selection" | termux-clipboard-set
elif type clip.exe >/dev/null 2>&1; then
    # WSL
    tr '\0' '\n' < "$selection" | clip.exe
elif type clip >/dev/null 2>&1; then
    # Cygwin
    tr '\0' '\n' < "$selection" | clip
elif type wl-copy >/dev/null 2>&1; then
    # Wayland
    tr '\0' '\n' < "$selection" | wl-copy
elif type clipboard >/dev/null 2>&1; then
    # Haiku
    tr '\0' '\n' < "$selection" | clipboard --stdin
fi