clear screen to updates

README.md

@@ -23,6 +23,20 @@ Specify command for _watch_ by setting `WATCH_COMMAND` (`bash -cli` by default).
 export WATCH_COMMAND=`fish -c`
 ```
 
+## Example
+
+```bash
+watch git status
+```
+
+```bash
+watch curl wttr.in
+```
+
+```bash
+watch 'll | grep .go'
+```
+
 ## Install
 
 ```bash

go.mod

@@ -1,10 +1,14 @@
 module github.com/antonmedv/watch
 
+go 1.13
+
 require (
-	github.com/gdamore/tcell v1.1.1
-	github.com/kr/pty v1.1.4
-	github.com/lucasb-eyer/go-colorful v0.0.0-20190323151624-4de7d682992e // indirect
-	github.com/rivo/tview v0.0.0-20190319111340-8d5eba0c2f51
-	github.com/rivo/uniseg v0.0.0-20190313204849-f699dde9c340 // indirect
-	golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576
+	github.com/creack/pty v1.1.9 // indirect
+	github.com/gdamore/tcell v1.3.0
+	github.com/iamacarpet/go-winpty v0.0.0-20190626212035-ae7e53a04c69
+	github.com/kr/pty v1.1.8
+	github.com/lucasb-eyer/go-colorful v1.0.3 // indirect
+	github.com/mattn/go-runewidth v0.0.6 // indirect
+	github.com/rivo/tview v0.0.0-20191121195645-2d957c4be01d
+	golang.org/x/sys v0.0.0-20191127021746-63cb32ae39b2 // indirect
 )

go.sum

@@ -1,22 +1,33 @@
+github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
+github.com/creack/pty v1.1.7 h1:6pwm8kMQKCmgUg0ZHTm5+/YvRK0s3THD/28+T6/kk4A=
+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
+github.com/creack/pty v1.1.9 h1:uDmaGzcdjhF4i/plgjmEsriH11Y0o7RKapEf/LDaM3w=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
 github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
-github.com/gdamore/tcell v1.1.1 h1:U73YL+jMem2XfhvaIUfPO6MpJawaG92B2funXVb9qLs=
-github.com/gdamore/tcell v1.1.1/go.mod h1:K1udHkiR3cOtlpKG5tZPD5XxrF7v2y7lDq7Whcj+xkQ=
-github.com/kr/pty v1.1.4 h1:5Myjjh3JY/NaAi4IsUbHADytDyl1VE1Y9PXDlL+P/VQ=
-github.com/kr/pty v1.1.4/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/lucasb-eyer/go-colorful v0.0.0-20181028223441-12d3b2882a08/go.mod h1:NXg0ArsFk0Y01623LgUqoqcouGDB+PwCCQlrwrG6xJ4=
-github.com/lucasb-eyer/go-colorful v0.0.0-20190323151624-4de7d682992e h1:G1iqXwyALtGWWRzm2R2dNilhVXnnrRi91iiPFzE8Obk=
-github.com/lucasb-eyer/go-colorful v0.0.0-20190323151624-4de7d682992e/go.mod h1:NXg0ArsFk0Y01623LgUqoqcouGDB+PwCCQlrwrG6xJ4=
+github.com/gdamore/tcell v1.3.0 h1:r35w0JBADPZCVQijYebl6YMWWtHRqVEGt7kL2eBADRM=
+github.com/gdamore/tcell v1.3.0/go.mod h1:Hjvr+Ofd+gLglo7RYKxxnzCBmev3BzsS67MebKS4zMM=
+github.com/iamacarpet/go-winpty v0.0.0-20190626212035-ae7e53a04c69 h1:1k5BV5AZUbZr7ER8C/Eoh0HB31zLqRTJV42i9MPzf+k=
+github.com/iamacarpet/go-winpty v0.0.0-20190626212035-ae7e53a04c69/go.mod h1:/GHKJicG/EVRQIK1IQikMYBakBkhj/3hTjLgdzYsmpI=
+github.com/kr/pty v1.1.8 h1:AkaSdXYQOWeaO3neb8EM634ahkXXe3jYbVh/F9lq+GI=
+github.com/kr/pty v1.1.8/go.mod h1:O1sed60cT9XZ5uDucP5qwvh+TE3NnUj51EiZO/lmSfw=
+github.com/lucasb-eyer/go-colorful v1.0.2/go.mod h1:0MS4r+7BZKSJ5mw4/S5MPN+qHFF1fYclkSPilDOKW0s=
+github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
+github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-runewidth v0.0.4 h1:2BvfKmzob6Bmd4YsL0zygOqfdFnK7GR4QL06Do4/p7Y=
 github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
-github.com/rivo/tview v0.0.0-20190319111340-8d5eba0c2f51 h1:FEnZgBwXtLYXcQD3w5X1cJxkICxfMid6hjMY3ioKykg=
-github.com/rivo/tview v0.0.0-20190319111340-8d5eba0c2f51/go.mod h1:J4W+hErFfITUbyFAEXizpmkuxX7ZN56dopxHB4XQhMw=
-github.com/rivo/uniseg v0.0.0-20190313204849-f699dde9c340 h1:nOZbL5f2xmBAHWYrrHbHV1xatzZirN++oOQ3g83Ypgs=
-github.com/rivo/uniseg v0.0.0-20190313204849-f699dde9c340/go.mod h1:SOLvOL4ybwgLJ6TYoX/rtaJ8EGOulH4XU7E9/TLrTCE=
-golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576 h1:aUX/1G2gFSs4AsJJg2cL3HuoRhCSCz733FE5GUSuaT4=
-golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+github.com/mattn/go-runewidth v0.0.6 h1:V2iyH+aX9C5fsYCpK60U8BYIvmhqxuOL3JZcqc1NB7k=
+github.com/mattn/go-runewidth v0.0.6/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/rivo/tview v0.0.0-20191121195645-2d957c4be01d h1:dPWYyMzc2VB5XX7eA/Pe5TXBGzhlVZZr54GhRJLTbts=
+github.com/rivo/tview v0.0.0-20191121195645-2d957c4be01d/go.mod h1:/rBeY22VG2QprWnEqG57IBC8biVu3i0DOIjRLc9I8H0=
+github.com/rivo/uniseg v0.1.0 h1:+2KBaVoUmb9XzDsrx/Ct0W/EYOSFf/nWTauy++DprtY=
+github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756 h1:9nuHUbU8dRnRRfj9KjWUVrJeoexdbeMjttk6Oh1rD10=
+golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191018095205-727590c5006e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191127021746-63cb32ae39b2 h1:/J2nHFg1MTqaRLFO7M+J78ASNsJoz3r0cvHBPQ77fsE=
+golang.org/x/sys v0.0.0-20191127021746-63cb32ae39b2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-gopkg.in/DATA-DOG/go-sqlmock.v1 v1.3.0/go.mod h1:OdE7CF6DbADk7lN8LIKRzRJTTZXIjtWgA5THM5lhBAw=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

watch.go

@@ -3,14 +3,12 @@ package main
 import (
 	"bytes"
 	"fmt"
-
 	"os"
 	"os/exec"
 	"strings"
 	"time"
 
 	"github.com/gdamore/tcell"
-
 	"github.com/rivo/tview"
 )
 
@@ -31,7 +29,17 @@ func main() {
 	sh := strings.Split(shell, " ")
 	sh = append(sh, command)
 
+	screen, err := tcell.NewScreen()
+	if err != nil {
+		panic(err)
+	}
+	err = screen.Init()
+	if err != nil {
+		panic(err)
+	}
+
 	app := tview.NewApplication()
+	app.SetScreen(screen)
 	viewer := tview.NewTextView().
 		SetDynamicColors(true).
 		SetScrollable(true).
@@ -69,15 +77,15 @@ func main() {
 			}
 
 			app.QueueUpdateDraw(func() {
-				viewer.Clear()
+				screen.Clear()
 				viewer.SetText(tview.TranslateANSI(buf.String()))
 				elapsed.SetText(fmt.Sprintf("%v", time.Since(startTime).Round(time.Second)))
 			})
 			time.Sleep(sleep)
 		}
 	}()
 
-	err := app.Run()
+	err = app.Run()
 	if err != nil {
 		panic(err)
 	}