add truffle cli bash completions

completion/available/truffle.completion.bash

@@ -0,0 +1,61 @@
+# shellcheck shell=bash
+
+__truffle_completion() {
+	local prev=$(_get_pword)
+	local curr=$(_get_cword)
+
+	case $prev in
+	compile)
+		COMPREPLY=(--{list,all,network,quiet})
+		;;
+	config)
+		COMPREPLY=(--{enable,disable}-analytics get set list)
+		;;
+	console)
+		COMPREPLY=(--{network,verbose-rpc})
+		;;
+	create)
+		COMPREPLY=(contract migration test all)
+		;;
+	dashboard)
+		COMPREPLY=(--{port,host,verbose})
+		;;
+	debug)
+		COMPREPLY=(--{network,url,fetch-external,compile-{tests,all}})
+		;;
+	develop)
+		COMPREPLY=(--log)
+		;;
+	exec)
+		COMPREPLY=(--{network,compile})
+		;;
+	debug)
+		COMPREPLY=(--force)
+		;;
+	migrate)
+		COMPREPLY=(--{reset,f,to,network,compile-all,verbose-rpc,{,skip-}dry-run,interactive,describe-json})
+		;;
+	networks)
+		COMPREPLY=(--clean)
+		;;
+	obtain)
+		COMPREPLY=(--solc)
+		;;
+	preserve)
+		COMPREPLY=(--{ipfs,file-coin,environment,})
+		;;
+	unbox)
+		COMPREPLY=(--force)
+		;;
+	test)
+		COMPREPLY=(--{compile-all{,-debug},network,verbose-rpc,show-events,debug{,-global},bail,stacktrace{,-extra}})
+		;;
+	truffle)
+		COMPREPLY=(build compile config console create dashboard browser db debug deploy develop exec help init install migrate networks obtain opcode preserve publish run test unbox version watch)
+		;;
+	esac
+}
+
+if _command_exists truffle; then
+	complete -F __truffle_completion -X "!&*" truffle
+fi