#!/bin/sh

#

## Copyright 2021-2024 NRK

## Licensed under GPL v3. See LICENSE for more details.

### Config ###

# shellmarks directory. uses ~/.local/share/shellmarks if not set

SH_MARKS="${SH_MARKS:-${XDG_DATA_HOME:-$HOME/.local/share}/shellmarks}"

# colors

# For a list of ANSI color codes, check the link below

# https://gist.github.com/Prakasaka/219fe5695beeb4d6311583e79933a009

col_error="\033[1;31m" # Red

col_name="\033[1;33m" # Yellow

col_path="\033[0;34m" # Blue

col_reset="\033[m" # Don't change this

### Functions ###

die() {

[ -n "$1" ] &&

printf "${col_error}%s${col_reset}\n" "$@" >&2

exit 1

}

# expects full file path

symlink_resolve() {

cd "$1" && pwd -P

}

symlink_or_die() {

[ -e "${SH_MARKS}/${1}" ] || die "$1 doesn't exist"

[ -h "${SH_MARKS}/${1}" ] || die "$1 doesn't appear to be a symlink..."

[ -d "${SH_MARKS}/${1}" ] || die "$1 doesn't appear to be a directory..."

}

bk_add() {

[ -z "$1" ] && die "No name given"

[ -e "${SH_MARKS}/${1}" ] && die "$1 already exists"

target="${2:-$PWD}"

ln -s "$target" "${SH_MARKS}/${1}"

}

bk_remove() {

[ -z "$1" ] && die "Nothing to remove"

symlink_or_die "$1"

rm -f "${SH_MARKS}/${1}"

}

bk_path() {

[ -z "$1" ] && die "No argument given"

symlink_or_die "$1"

symlink_resolve "${SH_MARKS}/${1}"

}

bk_list() {

[ -z "$1" ] && arrow=" -> "

for file in "$SH_MARKS"/*; do

[ -e "$file" ] && [ -h "$file" ] &&

printf "${col_name}%s${arrow}${col_path}${1}" "${file##*/}" &&

[ -z "$1" ] && symlink_resolve "$file"

done

printf "$col_reset"

}

### main ###

[ -d "$SH_MARKS" ] ||

mkdir -p "$SH_MARKS" ||

die "Cannot create directory $SH_MARKS"

if [ "$1" = "-c" ] || [ "$NO_COLOR" != "" ]; then

[ "$1" = "-c" ] && shift

unset col_error col_name col_path col_reset

fi

case "$1" in

"add")

bk_add "$2" "$3"

;;

"rm")

bk_remove "$2"

;;

"path")

bk_path "$2"

;;

"ls")

[ "$2" = "-n" ] && name_only="\n"

bk_list "$name_only"

;;

*)

die "INVALID COMMAND: $1"

;;

esac