Added version option

Changes:
 * Added -args option for pass additional options to go test
 * Added -version option
 * Added man page
 * Added auto deploy from Travis CI to github releases

Author: msoap

README.md

@@ -42,6 +42,7 @@ Usage
         -func string - comma-separated functions list (default: all functions)
         -include-vendor - include vendor directories for show coverage (Godeps, vendor)
         -args - pass additional arguments for go test (for example "-short" or "-i -timeout t")
+        -version - get version
 
 For view in less, use `-R` option:
 

go-carpet.1

@@ -62,6 +62,7 @@ options:
     \-func string \- comma\-separated functions list (default: all functions)
     \-include\-vendor \- include vendor directories for show coverage (Godeps, vendor)
     \-args \- pass additional arguments for go test (for example "\-short" or "\-i \-timeout t")
+    \-version \- get version
 .
 .fi
 .

go-carpet.go

@@ -16,10 +16,18 @@ import (
 	"golang.org/x/tools/cover"
 )
 
-const usageMessage = `go-carpet - show test coverage for Go source files
+const (
+	usageMessage = `go-carpet - show test coverage for Go source files
 
 usage: go-carpet [options] [paths]`
 
+	appVersion = "1.5"
+
+	// predefined go test options
+	goTestCoverProfile = "-coverprofile"
+	goTestCoverMode    = "-covermode"
+)
+
 var (
 	reNewLine        = regexp.MustCompile("\n")
 	reWindowsPathFix = regexp.MustCompile(`^_\\([A-Z])_`)
@@ -29,10 +37,6 @@ var (
 
 	// directories for skip
 	skipDirs = []string{"testdata"}
-
-	// predefined go test options
-	goTestCoverProfile = "-coverprofile"
-	goTestCoverMode    = "-covermode"
 )
 
 func getDirsWithTests(includeVendor bool, roots ...string) (result []string, err error) {
@@ -352,7 +356,14 @@ func init() {
 }
 
 func main() {
+	versionFl := flag.Bool("version", false, "get version")
 	flag.Parse()
+
+	if *versionFl {
+		fmt.Println(appVersion)
+		os.Exit(0)
+	}
+
 	config.filesFilter = grepEmptyStringSlice(strings.Split(config.filesFilterRaw, ","))
 	config.funcFilter = grepEmptyStringSlice(strings.Split(config.funcFilterRaw, ","))
 	additionalArgs, err := parseAdditionalArgs(config.argsRaw, []string{goTestCoverProfile, goTestCoverMode})