1 files changed, 169 insertions, 0 deletions
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..48e3bd4
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,169 @@
+#!/bin/sh
+
+SCRIPT="$(basename "$0")"
+SCRIPT_DIR="$(dirname -- "$(readlink -f -- "$0")")"
+INSTALL_DIR="$(dirname "$SCRIPT_DIR")"
+
+long='clean,no,simulate,verbose::,quiet,help'
+short='cnqvh'
+
+opts="$(getopt -o $short -l $long -n "$SCRIPT" -- "$@")"
+
+# shellcheck disable=2181
+if [ $? != 0 ]; then
+	exit 1
+fi
+
+eval set -- "$opts"
+
+help() {
+	cat <<-EOF
+		$SCRIPT
+		Toby Vincent <tobyv13@gmail.com>
+
+		$SCRIPT
+		    Installer script
+
+		USAGE:
+		    $SCRIPT [OPTION ...] [PACKAGE ...]
+
+		OPTIONS:
+		    -c, --clean           Remove broken symlinks found in $INSTALL_DIR
+		    -n, --no, --simulate  Do not actually make any filesystem changes
+		    -q, --quiet           Suppress all output
+		    -v, --verbose[=N]     Increase verbosity (levels are from 0 to 5;
+		                              -v or --verbose adds 1; --verbose=N sets level)
+		    -h, --help            Show this help
+	EOF
+}
+
+say() {
+	if ! $quiet; then
+		printf "%s: %s\n" "$SCRIPT" "$@"
+	fi
+}
+
+say_verbose() {
+	if [ "$verbose" -gt 0 ]; then
+		say "$@"
+	fi
+}
+
+say_err() {
+	say "$@" >&2
+}
+
+err() {
+	say_err "ERROR: $*"
+	exit 1
+}
+
+err_help() {
+	help
+	err "$*"
+}
+
+need() {
+	for need_cmd in "$@"; do
+		if ! command -v "$need_cmd" >/dev/null 2>&1; then
+			err "need $need_cmd (command not found)"
+		fi
+	done
+}
+
+verbose=0
+quiet=false
+simulate=false
+clean=false
+stow_cmd="stow"
+while true; do
+	case "$1" in
+	-h | --help)
+		help
+		exit 0
+		;;
+	-v)
+		verbose=$((verbose + 1))
+		stow_cmd="$stow_cmd $1"
+		shift
+		;;
+	--verbose)
+		if [ -n "$2" ]; then
+			say "$1 = $2"
+			verbose=$2
+			stow_cmd="$stow_cmd $1=$2"
+			shift 2
+		else
+			verbose=$((verbose + 1))
+			stow_cmd="$stow_cmd $1"
+			shift
+		fi
+		;;
+	-q | --quiet)
+		quiet=true
+		shift
+		;;
+	-c | --clean)
+		clean=true
+		shift
+		;;
+	-n | --no | --simulate)
+		simulate=true
+		stow_cmd="$stow_cmd $1"
+		shift
+		;;
+	--)
+		shift
+		stow_cmd="$stow_cmd --stow"
+		break
+		;;
+	*)
+		exit 1
+		break
+		;;
+	esac
+done
+
+if "$clean"; then
+	need fd
+
+	if "$simulate"; then
+		clean_cmd="[ -e '{}' ] || echo 'rm -v {}'"
+	else
+		clean_cmd="[ -e '{}' ] || rm -v {}"
+	fi
+
+	fd . "$HOME" --hidden --type l \
+		--exclude "$(realpath --relative-base="$INSTALL_DIR" "$XDG_CACHE_HOME")" \
+		--exclude "$(realpath --relative-base="$INSTALL_DIR" "$SCRIPT_DIR")" \
+		--exec sh -c "$clean_cmd"
+fi
+
+if [ $# -eq 0 ]; then
+	pkgs=""
+	for pkg in "$SCRIPT_DIR"/*; do
+		if [ -d "$pkg" ]; then
+			pkg_name="$(basename "$pkg")"
+
+			case "$pkg_name" in
+			wsl)
+				if [ -n "${WSL_DISTRO_NAME+1}" ]; then
+					pkgs="$pkgs $pkg_name"
+				else
+					say_verbose "Skipping $pkg_name"
+				fi
+				;;
+			*)
+				pkgs="$pkgs $pkg_name"
+				;;
+			esac
+		fi
+	done
+
+	set -- "${pkgs## }"
+fi
+
+say "$stow_cmd $*"
+
+# shellcheck disable=2068
+$stow_cmd $@