Add Go documents

builder.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 )
 
-// Builder ...
+// Builder is a interface for the build process
 type Builder interface {
 	Build() error
 	Binary() string
@@ -22,7 +22,7 @@ type builder struct {
 	buildArgs []string
 }
 
-// NewBuilder ...
+// NewBuilder creates a new builder
 func NewBuilder(dir string, bin string, wd string, buildArgs []string) Builder {
 	// resolve bin name by current folder name
 	if bin == "" {
@@ -40,12 +40,12 @@ func NewBuilder(dir string, bin string, wd string, buildArgs []string) Builder {
 	return &builder{dir: dir, binary: bin, wd: wd, buildArgs: buildArgs}
 }
 
-// Binary ...
+// Binary returns its build binary's path
 func (b *builder) Binary() string {
 	return b.binary
 }
 
-// Build ...
+// Build the Golang project set for this builder
 func (b *builder) Build() error {
 	logger.Info("Building program")
 	args := append([]string{"go", "build", "-o", filepath.Join(b.wd, b.binary)}, b.buildArgs...)

loggger.go

@@ -7,62 +7,55 @@ import (
 	"github.com/fatih/color"
 )
 
-// Logger ..
+// Logger used by gaper
 type Logger struct {
 	verbose  bool
 	logDebug *log.Logger
-	logWarn  *log.Logger
 	logInfo  *log.Logger
 	logError *log.Logger
 }
 
-// NewLogger ...
+// NewLogger creates a new logger
 func NewLogger(prefix string) *Logger {
 	prefix = "[" + prefix + "] "
 	return &Logger{
 		verbose:  false,
 		logDebug: log.New(os.Stdout, prefix, 0),
-		logWarn:  log.New(os.Stdout, color.YellowString(prefix), 0),
 		logInfo:  log.New(os.Stdout, color.CyanString(prefix), 0),
 		logError: log.New(os.Stdout, color.RedString(prefix), 0),
 	}
 }
 
-// Verbose ...
+// Verbose toggle this logger verbosity
 func (l *Logger) Verbose(verbose bool) {
 	l.verbose = verbose
 }
 
-// Debug ...
+// Debug logs a debug message
 func (l *Logger) Debug(v ...interface{}) {
 	if l.verbose {
 		l.logDebug.Println(v...)
 	}
 }
 
-// Debugf ...
+// Debugf logs a debug message with format
 func (l *Logger) Debugf(format string, v ...interface{}) {
 	if l.verbose {
 		l.logDebug.Printf(format, v...)
 	}
 }
 
-// Warn ...
-func (l *Logger) Warn(v ...interface{}) {
-	l.logWarn.Println(v...)
-}
-
-// Info ...
+// Info logs a info message
 func (l *Logger) Info(v ...interface{}) {
 	l.logInfo.Println(v...)
 }
 
-// Error ...
+// Error logs an error message
 func (l *Logger) Error(v ...interface{}) {
 	l.logError.Println(v...)
 }
 
-// Errorf ...
+// Errorf logs and error message with format
 func (l *Logger) Errorf(format string, v ...interface{}) {
 	l.logError.Printf(format, v...)
 }

main.go

@@ -1,3 +1,5 @@
+// Package gaper implements a supervisor restarts a go project
+// when it crashes or a watched file changes
 package main
 
 import (
@@ -19,7 +21,7 @@ var logger = NewLogger("gaper")
 var exitStatusSuccess = 0
 var exitStatusError = 1
 
-// Config ...
+// Config contains all settings supported by gaper
 type Config struct {
 	BinName         string
 	BuildPath       string

main_test.go

@@ -1,10 +1,9 @@
 package main
 
 import (
-	"fmt"
 	"testing"
 )
 
 func TestGaper(t *testing.T) {
-	fmt.Println("Sample test")
+	// TODO: add test to main file
 }

runner.go

@@ -10,13 +10,13 @@ import (
 	"time"
 )
 
-// OSWindows ...
+// OSWindows is used to check if current OS is a Windows
 const OSWindows = "windows"
 
 // os errors
 var errFinished = errors.New("os: process already finished")
 
-// Runner ...
+// Runner is a interface for the run process
 type Runner interface {
 	Run() (*exec.Cmd, error)
 	Kill() error
@@ -35,7 +35,7 @@ type runner struct {
 	end          chan bool // used internally by Kill to wait a process die
 }
 
-// NewRunner ...
+// NewRunner creates a new runner
 func NewRunner(wStdout io.Writer, wStderr io.Writer, bin string, args []string) Runner {
 	return &runner{
 		bin:          bin,
@@ -48,7 +48,7 @@ func NewRunner(wStdout io.Writer, wStderr io.Writer, bin string, args []string)
 	}
 }
 
-// Run ...
+// Run executes the project binary
 func (r *runner) Run() (*exec.Cmd, error) {
 	logger.Info("Starting program")
 
@@ -63,7 +63,7 @@ func (r *runner) Run() (*exec.Cmd, error) {
 	return r.command, nil
 }
 
-// Kill ...
+// Kill the current process running for the Golang project
 func (r *runner) Kill() error {
 	if r.command == nil || r.command.Process == nil {
 		return nil
@@ -97,12 +97,12 @@ func (r *runner) Kill() error {
 	return nil
 }
 
-// Exited ...
+// Exited checks if the process has exited
 func (r *runner) Exited() bool {
 	return r.command != nil && r.command.ProcessState != nil && r.command.ProcessState.Exited()
 }
 
-// Errors ...
+// Errors get errors occurred during the build
 func (r *runner) Errors() chan error {
 	return r.errors
 }

watcher.go

@@ -16,7 +16,7 @@ var DefaultExtensions = []string{"go"}
 // DefaultPoolInterval used by the watcher
 var DefaultPoolInterval = 500
 
-// Watcher ...
+// Watcher is a interface for the watch process
 type Watcher struct {
 	PollInterval      int
 	WatchItems        []string
@@ -26,7 +26,7 @@ type Watcher struct {
 	Errors            chan error
 }
 
-// NewWatcher ...
+// NewWatcher creates a new watcher
 func NewWatcher(pollInterval int, watchItems []string, ignoreItems []string, extensions []string) (*Watcher, error) {
 	if pollInterval == 0 {
 		pollInterval = DefaultPoolInterval
@@ -64,7 +64,7 @@ func NewWatcher(pollInterval int, watchItems []string, ignoreItems []string, ext
 var startTime = time.Now()
 var errDetectedChange = errors.New("done")
 
-// Watch ...
+// Watch starts watching for file changes
 func (w *Watcher) Watch() {
 	for {
 		for i := range w.WatchItems {