1 files changed, 120 insertions, 0 deletions
diff --git a/wrapper.go b/wrapper.go
new file mode 100644
index 0000000..45c04f4
--- /dev/null
+++ b/wrapper.go
@@ -0,0 +1,120 @@
+package main
+
+const shellWrapper=`
+# Declare constant for the executable
+
+# Print error message
+__ws_err() {
+	if [[ $# -eq 0 ]]; then
+		echo -n "ws: " 1>&2
+		cat <&0 1>&2
+	elif [[ $# -eq 1 ]]; then
+		echo "ws: $1" 1>&2
+	fi
+}
+
+# Execute internal workspace command
+__ws_internal() {
+	__WS_INTERNAL_EXE="ws_internal"
+	${__WS_INTERNAL_EXE} "$@"
+	return $?
+}
+
+# Record the current working directory before changing to workspace
+declare WS_PREVIOUS_LOC=""
+__ws_push_wd() {
+	WS_PREVIOUS_LOC="$(pwd)"
+}
+
+# Return to the previously recorded directory
+__ws_pop_wd() {
+	if [[ -z "${WS_PREVIOUS_LOC}" ]]; then
+		ws_err "No working directory was recorded prior to entering the workspace"
+		return 1
+	fi
+	cd "${WS_PREVIOUS_LOC}"
+	WS_PREVIOUS_LOC=""
+	return 0
+}
+
+# Workspace usage instruction
+__ws_usage() {
+    __ws_err <<_EOF
+Usage: ws [command]
+
+ws is a program for managing temporary workspaces.
+
+Commands:
+  list|ls          List all available workspaces
+  new              Create a new workspace and change into it
+  print_current_workspace|pcw
+                   Print the current workspace path
+  recent|rec       Change to the most recently used workspace
+  next|n           Change to the next workspace in the history
+  prev|p           Change to the previous workspace in the history
+  remove|rm        Remove the current workspace and return to the previous one
+  return|ret       Return to the previous workspace
+  usage            Show this usage information
+_EOF
+}
+
+# Workspace function
+ws() {
+	local cmd="${1:-recent}"
+
+	case "$cmd" in
+		"list"|"ls")
+			__ws_internal list_workspaces
+			;;
+		"new")
+			__ws_push_wd
+			local ws_path="$(__ws_internal create_new_workspace)"
+			echo "${ws_path}"
+			[[ ! $? -eq 0 ]] && return $?
+			cd "${ws_path}"
+			;;
+		"print_current_workspace"|"pcw")
+			__ws_internal print_current_workspace
+			[[ ! $? -eq 0 ]] && return $?
+			;;
+		"recent"|"rec"|"next"|"n"|"prev"|"p")
+
+			local internal_cmd=""
+			if [[ "$cmd" == "rec" || "$cmd" == "recent" ]]; then
+				__ws_push_wd
+				internal_cmd="recent"
+			elif [[ "$cmd" == "next" || "$cmd" == "n" ]]; then
+				internal_cmd="next"
+			elif [[ "$cmd" == "prev" || "$cmd" == "p" ]]; then
+				internal_cmd="prev"
+			fi
+
+			local ws_path="$(__ws_internal "print_${internal_cmd}_workspace")"
+			[[ ! $? -eq 0 ]] && return $?
+			cd "${ws_path}"
+
+			;;
+		"remove"|"rm")
+			local ws_path="$(__ws_internal print_recent_workspace)"
+			rm -rf "${ws_path}"
+			if [[ -n "${WS_PREVIOUS_LOC}" ]]; then
+				__ws_pop_wd || return $?
+			else
+				local ws_path="$(__ws_internal print_workspace_root)"
+				[[ ! $? -eq 0 ]] && return $?
+				cd "${ws_path}"
+			fi
+			;;
+		"return"|"ret")
+			__ws_pop_wd
+			;;
+		"usage")
+			__ws_usage
+			;;
+		*)
+			__ws_usage
+			return 1
+			;;
+	esac
+}
+`