daemon: fix output + time waiting

cmd/ipfs/daemon.go

 package main
 
 import (
-	"bytes"
 	"fmt"
+	"os"
 
 	ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr"
 	cmds "github.com/jbenet/go-ipfs/commands"
@@ -51,9 +51,8 @@ the daemon.
 }
 
 func daemonFunc(req cmds.Request, res cmds.Response) {
-	var out bytes.Buffer
-	res.SetOutput(&out)
-	writef(&out, "Initializing daemon...\n")
+	// let the user know we're going.
+	fmt.Printf("Initializing daemon...\n")
 
 	// first, whether user has provided the initialization flag. we may be
 	// running in an uninitialized state.
@@ -70,7 +69,7 @@ func daemonFunc(req cmds.Request, res cmds.Response) {
 		// `IsInitialized` where the quality of the signal can be improved over
 		// time, and many call-sites can benefit.
 		if !util.FileExists(req.Context().ConfigRoot) {
-			err := initWithDefaults(&out, req.Context().ConfigRoot)
+			err := initWithDefaults(os.Stdout, req.Context().ConfigRoot)
 			if err != nil {
 				res.SetError(debugerror.Wrap(err), cmds.ErrNormal)
 				return
@@ -155,8 +154,8 @@ func daemonFunc(req cmds.Request, res cmds.Response) {
 			res.SetError(err, cmds.ErrNormal)
 			return
 		}
-		writef(&out, "IPFS mounted at: %s\n", fsdir)
-		writef(&out, "IPNS mounted at: %s\n", nsdir)
+		fmt.Printf("IPFS mounted at: %s\n", fsdir)
+		fmt.Printf("IPNS mounted at: %s\n", nsdir)
 	}
 
 	var rootRedirect corehttp.ServeOption
@@ -173,10 +172,6 @@ func daemonFunc(req cmds.Request, res cmds.Response) {
 		writable = cfg.Gateway.Writable
 	}
 
-	if writable {
-		fmt.Printf("IPNS gateway mounted read-write\n")
-	}
-
 	if gatewayMaddr != nil {
 		go func() {
 			var opts = []corehttp.ServeOption{corehttp.GatewayOption(writable)}
@@ -184,6 +179,9 @@ func daemonFunc(req cmds.Request, res cmds.Response) {
 				opts = append(opts, rootRedirect)
 			}
 			fmt.Printf("Gateway server listening on %s\n", gatewayMaddr)
+			if writable {
+				fmt.Printf("Gateway server is writable\n")
+			}
 			err := corehttp.ListenAndServe(node, gatewayMaddr.String(), opts...)
 			if err != nil {
 				log.Error(err)

test/sharness/lib/test-lib.sh

@@ -74,15 +74,16 @@ test_run_repeat_10_sec() {
 }
 
 test_wait_output_n_lines_60_sec() {
-	echo "$2" >expected_waitn
-	for i in 1 2 3 4 5 6 7 8 9 10
+	for i in 1 2 3 4 5 6
 	do
-		cat "$1" | wc -l | tr -d " " >actual_waitn
-		test_cmp "expected_waitn" "actual_waitn" && return
-		sleep 2
+		for i in 1 2 3 4 5 6 7 8 9 10
+		do
+			test $(cat "$1" | wc -l | tr -d " ") -ge $2 && return
+			sleep 1
+		done
 	done
-	cat "$1" | wc -l | tr -d " " >actual_waitn
-	test_cmp "expected_waitn" "actual_waitn"
+	actual=$(cat "$1" | wc -l | tr -d " ")
+	fsh "expected $2 lines of output. got $actual"
 }
 
 test_wait_open_tcp_port_10_sec() {
@@ -130,6 +131,13 @@ test_config_ipfs_gateway_writable() {
 
 test_launch_ipfs_daemon() {
 
+	ADDR_API="/ip4/127.0.0.1/tcp/5001"
+	ADDR_GWAY=`ipfs config Addresses.Gateway`
+	NLINES="2"
+	if test "$ADDR_GWAY" != ""; then
+		NLINES="3"
+	fi
+
 	test_expect_success "'ipfs daemon' succeeds" '
 		ipfs daemon >actual_daemon 2>daemon_err &
 	'
@@ -138,19 +146,17 @@ test_launch_ipfs_daemon() {
 	# and we make sure there are no errors
 	test_expect_success "'ipfs daemon' is ready" '
 		IPFS_PID=$! &&
-		test_run_repeat_10_sec "cat actual_daemon | grep \"API server listening on\"" &&
+		test_wait_output_n_lines_60_sec actual_daemon $NLINES &&
 		printf "" >empty && test_cmp daemon_err empty ||
 		fsh cat actual_daemon || fsh cat daemon_err
 	'
 
-	ADDR_API="/ip4/127.0.0.1/tcp/5001"
 	test_expect_success "'ipfs daemon' output includes API address" '
 		cat actual_daemon | grep "API server listening on $ADDR_API" ||
 		fsh cat actual_daemon ||
 		fsh "cat actual_daemon | grep \"API server listening on $ADDR_API\""
 	'
 
-	ADDR_GWAY=`ipfs config Addresses.Gateway`
 	if test "$ADDR_GWAY" != ""; then
 		test_expect_success "'ipfs daemon' output includes Gateway address" '
 			cat actual_daemon | grep "Gateway server listening on $ADDR_GWAY" ||