2022-02-03

bin/dotfiles.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+SWD="$(dirname "$(realpath "$0")")"
+
+function rebase-fs() {
+	# disable null glob because empty dirs will break
+	# globbing and return the glob char '*'
+	shopt -s nullglob
+	local src_path=$1 dst_path=$2 file stat
+	[[ -d "${src_path}" ]] && stat="d"
+	[[ -f "${src_path}" ]] && stat="f"
+	echo "${src_path}" "${dst_path}" "${stat}"
+	case ${stat} in
+		d)
+			for file in "${src_path}"/*; do
+				local path="${file/#${src_path}/${dst_path}}"
+				rebase-fs "${file}" "${path}"
+			done
+		;;
+	esac
+}
+
+function mirror-fs() {
+	local func_f="${1:?""}" func_d="${2:-"$1"}"
+	local src dst typ
+	while read -r src dst typ; do
+		dst="${dst//\/dot-/\/.}"
+		case ${typ} in
+			d) "${func_d}" "${src}" "${dst}" "${typ}" ;;
+			f) "${func_f}" "${src}" "${dst}" "${typ}" ;;
+		esac
+	done
+}
+
+function clone-d() {
+	local src="${1:?""}" dst="${2:?""}" typ="${3:?""}"
+	case ${typ} in
+			d) command -p mkdir --parent "${dst}"       ;;
+			f) command -p cp --update "${src}" "${dst}" ;;
+	esac
+	command -p mkdir --parent "${dst}"
+	command -p chmod --reference="${src}" "${dst}"
+}
+
+function clone-f() {
+	local src="${1:?""}" dst="${2:?""}" typ="${3:?""}"
+	if [[ ${src} = *.localhost && -e ${dst} ]]; then
+		printf "skipping local file %s\n" "${dst}"
+		return
+	fi
+	command -p cp --update "${src}" "${dst}"
+}
+
+SRC="$(realpath "${SWD}/../home")"
+rebase-fs "${SRC}" "${HOME}" | mirror-fs 'clone-f' 'clone-d'