Bump version 0.3 -> 0.4

Makefile

@@ -1,5 +1,5 @@
 VERS_MAJOR := 0
-VERS_MINOR := 3
+VERS_MINOR := 4
 VERSION := $(VERS_MAJOR).$(VERS_MINOR)
 NEW_MINOR := $$(( $(VERS_MINOR) + 1 ))
 NEW_MAJOR := $$(( $(VERS_MAJOR) + 1 ))
@@ -9,7 +9,15 @@ output:
 output/sendmail: output
 	go build -o output/sendmail -ldflags "-X main.version=$(VERSION)" ./...
 
-build: output/sendmail
+output/sendmail-dev: output
+	go build -o output/sendmail-dev ./...
+
+clean:
+	rm output/*
+
+build: clean output/sendmail
+
+dev-build: clean output/sendmail-dev
 
 bumpvers-minor:
 	sed -i"" "s/VERS_MINOR := $(VERS_MINOR)/VERS_MINOR := $(NEW_MINOR)/" Makefile
@@ -31,4 +39,4 @@ release-maj:
 	make bumpvers-major
 	make build
 
-PHONY: bumpvers-minor bumpvers-major release-min release-maj
+PHONY: bumpvers-minor bumpvers-major release-min release-maj clean

main.go

@@ -6,12 +6,13 @@ import (
 	"fmt"
 	"os"
 	"strings"
+	"time"
 )
 
 var noVersion = "dev"
 var version string
 
-func readFromConsole() string {
+func readFromConsole(result chan string) {
 	var text, line string
 	var err error
 	counter := 0
@@ -29,7 +30,8 @@ func readFromConsole() string {
 		Error.F("Error in reading text from console\n%s", err)
 		os.Exit(1)
 	}
-	return strings.TrimRight(text, "\n")
+	result <- strings.TrimRight(text, "\n")
+	return
 }
 
 func toList(input string) []string {
@@ -100,7 +102,16 @@ func main() {
 	}
 
 	if flag.NArg() == 0 {
-		text = readFromConsole()
+		result := make(chan string, 1)
+		go readFromConsole(result)
+		select {
+		case text = <-result:
+			Info.Ln("text read from console")
+		case <-time.After(5 * time.Minute):
+			Error.Ln("timeout reading from console")
+			os.Exit(3)
+		}
+
 	} else {
 		for _, arg := range flag.Args() {
 			text += fmt.Sprintf("%s\n", arg)