From c3ba15ba56aae69dd91d9a82a58d5351ad6f0285 Mon Sep 17 00:00:00 2001
From: Marcin Kulik <m@ku1ik.com>
Date: Sat, 8 Aug 2015 21:28:41 +0200
Subject: [PATCH] Add --quiet option to rec command (closes #122)

---
 CHANGELOG.md    |  1 +
 README.md       |  1 +
 main.go         | 11 +++++++++--
 man/asciinema.1 |  3 +++
 util/echo.go    | 17 ++++++++++++++---
 5 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0737eb..7ffd785 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## master
 
 * Added ability to replay asciicast from stdin by passing "-" as filename
+* `-q/--quiet` option added to `rec` command
 
 ## 1.1.1 (2015-06-21)
 
diff --git a/README.md b/README.md
index fa2d104..90e829d 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,7 @@ Available options:
 * `-t, --title=<title>` - Specify the title of the asciicast
 * `-w, --max-wait=<sec>` - Reduce recorded terminal inactivity to max <sec> seconds
 * `-y, --yes` - Answer "yes" to all prompts (e.g. upload confirmation)
+* `-q, --quiet` - Be quiet, suppress all notices/warnings (implies -y)
 
 ### `play <filename>`
 
diff --git a/main.go b/main.go
index 04d5e62..7b4ef99 100644
--- a/main.go
+++ b/main.go
@@ -17,7 +17,7 @@ const Version = "1.1.1"
 var usage = `Record and share your terminal sessions, the right way.
 
 Usage:
-  asciinema rec [-c <command>] [-t <title>] [-w <sec>] [-y] [<filename>]
+  asciinema rec [-c <command>] [-t <title>] [-w <sec>] [-y] [-q] [<filename>]
   asciinema play [-w <sec>] <filename>
   asciinema upload <filename>
   asciinema auth
@@ -34,7 +34,8 @@ Options:
   -c, --command=<command>  Specify command to record, defaults to $SHELL
   -t, --title=<title>      Specify title of the asciicast
   -w, --max-wait=<sec>     Reduce recorded terminal inactivity to max <sec> seconds
-  -y, --yes                Answer yes to all prompts (e.g. upload confirmation)
+  -y, --yes                Answer "yes" to all prompts (e.g. upload confirmation)
+  -q, --quiet              Be quiet, suppress all notices/warnings (implies -y)
   -h, --help               Show this message
   --version                Show version`
 
@@ -113,6 +114,12 @@ func main() {
 		command := util.FirstNonBlank(stringArg(args, "--command"), cfg.RecordCommand())
 		title := stringArg(args, "--title")
 		assumeYes := cfg.RecordYes() || boolArg(args, "--yes")
+
+		if boolArg(args, "--quiet") {
+			util.BeQuiet()
+			assumeYes = true
+		}
+
 		maxWait := uintArg(args, "--max-wait", cfg.RecordMaxWait())
 		filename := stringArg(args, "<filename>")
 		cmd := commands.NewRecordCommand(api, env)
diff --git a/man/asciinema.1 b/man/asciinema.1
index 4d9c209..1d96f40 100644
--- a/man/asciinema.1
+++ b/man/asciinema.1
@@ -46,6 +46,9 @@ reduce recorded terminal inactivity to max <sec> seconds
 .TP
 \-y, \-\-yes
 answer "yes" to all prompts (e.g. upload confirmation)
+.TP
+\-q, \-\-quiet
+be quiet, suppress all notices/warnings (implies -y)
 .RE
 .RE
 .PP
diff --git a/util/echo.go b/util/echo.go
index 976a2ef..c48cbc1 100644
--- a/util/echo.go
+++ b/util/echo.go
@@ -1,11 +1,22 @@
 package util
 
-import "fmt"
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+)
+
+var loggerOutput io.Writer = os.Stdout
+
+func BeQuiet() {
+	loggerOutput = ioutil.Discard
+}
 
 func Printf(s string, args ...interface{}) {
-	fmt.Printf("\x1b[32m~ %v\x1b[0m\n", fmt.Sprintf(s, args...))
+	fmt.Fprintf(loggerOutput, "\x1b[32m~ %v\x1b[0m\n", fmt.Sprintf(s, args...))
 }
 
 func Warningf(s string, args ...interface{}) {
-	fmt.Printf("\x1b[33m~ %v\x1b[0m\n", fmt.Sprintf(s, args...))
+	fmt.Fprintf(loggerOutput, "\x1b[33m~ %v\x1b[0m\n", fmt.Sprintf(s, args...))
 }