From 9857b1c61560e29d5dbd81c766cfffde57810d09 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Sat, 6 Apr 2019 07:42:01 -0700
Subject: [PATCH] add a 'script' function

Signed-off-by: Jeff Carr <jcarr@wit.com>
---
 make-sdcard/main.go               | 46 ++++++++++++++++++++-----------
 make-sdcard/{ping.go => shell.go} | 29 +++++++++++++++++++
 2 files changed, 59 insertions(+), 16 deletions(-)
 rename make-sdcard/{ping.go => shell.go} (82%)

diff --git a/make-sdcard/main.go b/make-sdcard/main.go
index d1b8d37..06cec50 100644
--- a/make-sdcard/main.go
+++ b/make-sdcard/main.go
@@ -40,23 +40,35 @@ func format(mybut *ui.Button) {
 	// simpleProcess("dd if=/home/pinebook/factory/factory-pine14inch of=/dev/sdb status=progress bs=1M oflag=sync count=300");
 	// simpleProcess("dd if=/home/pinebook/factory/factory-pine14inch of=/dev/sdb status=progress bs=1M oflag=sync count=300");
 
-	simpleProcess("pwd")
-	simpleProcess("ls -l")
-	os.Chdir("/mnt")
-	simpleProcess("pwd")
-	simpleProcess("ls -l /aksd")
+	os.Chdir("/root")
+
+	script(`
+		pwd
+		ls -l /etc/issue
+		pwd
+		ls -l /ajlskdf
+		ls -l /etc/issue
+		ls -l /etc/issue
+		cd /tmp
+		echo blah
+		echo foo ; lkajsdf
+		cd
+		echo bar
+	`)
 	return
 
-	simpleProcess("parted -s /dev/sdb mklabel msdos")
-	simpleProcess("parted -s /dev/sdb mkpart primary ext4 1MiB 8GB")
-	simpleProcess("parted -s /dev/sdb mkpart primary ext4 8GB 32GB")
-	simpleProcess("sleep 1")
-	simpleProcess("mkfs.ext4 /dev/sdb1")
-	simpleProcess("mkfs.ext4 /dev/sdb2")
-	simpleProcess("e2label /dev/sdb1 root")
-	simpleProcess("e2label /dev/sdb2 factory-image")
-	simpleProcess("mount /dev/sdb1 /mnt/sdcard/")
-	simpleProcess("dd if=../u-boot/u-boot-sunxi-with-spl.bin of=/dev/sdb bs=1K seek=8")
+	script(`
+		parted -s /dev/sdb mklabel msdos
+		parted -s /dev/sdb mkpart primary ext4 1MiB 8GB
+		parted -s /dev/sdb mkpart primary ext4 8GB 32GB
+		sleep 1
+		mkfs.ext4 /dev/sdb1
+		mkfs.ext4 /dev/sdb2
+		e2label /dev/sdb1 root
+		e2label /dev/sdb2 factory-image
+		mount /dev/sdb1 /mnt/sdcard/
+		dd if=../u-boot/u-boot-sunxi-with-spl.bin of=/dev/sdb bs=1K seek=8
+	`)
 }
 
 func addButton(vbox *ui.Box, label string, click func(*ui.Button)) {
@@ -137,6 +149,9 @@ func makeBurnSDcardPage() *ui.Box {
 	cbox.OnSelected(func(*ui.Combobox) {
 		spew.Dump(cbox.Visible())
 		spew.Dump(cbox.Selected())
+		spew.Dump(cbox.ControlBase)
+		// spew.Dump(cbox.ControlBase.Parent)
+		spew.Dump(cbox)
 		log.Println("selected = ", cbox.Selected())
 	})
 	vbox.Append(cbox, false)
@@ -158,7 +173,6 @@ func makeBurnSDcardPage() *ui.Box {
 	rb2.Append("stuff")
 	vbox3.Append(rb2, false)
 
-
 	return hbox
 }
 
diff --git a/make-sdcard/ping.go b/make-sdcard/shell.go
similarity index 82%
rename from make-sdcard/ping.go
rename to make-sdcard/shell.go
index d09620c..72d58a6 100644
--- a/make-sdcard/ping.go
+++ b/make-sdcard/shell.go
@@ -4,6 +4,7 @@ import "fmt"
 import "log"
 import "strings"
 import "io"
+import "time"
 import "os"
 import "os/exec"
 import "bufio"
@@ -64,12 +65,40 @@ func ping(hostname string, count int) {
 	cmd.Wait()
 }
 
+func script(cmds string) int {
+	// split on new lines (while we are at it, handle stupid windows text files
+	lines := strings.Split(strings.Replace(cmds, "\r\n", "\n", -1), "\n")
+
+	for _, line := range lines {
+		line = strings.TrimSpace(line) // this is like 'chomp' in perl
+		fmt.Println("LINE:", line)
+		time.Sleep(1)
+		// simpleProcess("ls /")
+		simpleProcess(line)
+	}
+	return 0
+}
+
 // Spawns a process and captures stdout and stderr
+// this has to internally handle 'cd' and call os.Chdir()
 func simpleProcess(cmd string) int {
 	log.Println("START " + cmd)
 	// cmd := exec.Command("ls", "/tmp", "/ballon", "/")
 
+	cmd = strings.TrimSpace(cmd) // this is like 'chomp' in perl
 	cmdArgs := strings.Fields(cmd)
+	if (len(cmdArgs) == 0) {
+		log.Println("END   " + cmd)
+		return 0 // nothing to do
+	}
+	if (cmdArgs[0] == "cd") {
+		if (len(cmdArgs) > 1) {
+			log.Println("os.Chdir()", cmd)
+			os.Chdir(cmdArgs[1])
+		}
+		log.Println("END   " + cmd)
+		return 0 // nothing to do
+	}
 	process := exec.Command(cmdArgs[0], cmdArgs[1:len(cmdArgs)]...)
 	stdout, _ := process.StdoutPipe()
 	stderr, _ := process.StderrPipe()