finetuned shell-env + codemirror + added filemanager

buildroot-v86/board/v86/rootfs_overlay/etc/motd

@@ -17,5 +17,6 @@
  Please hook up your (bluetooth) keyboard to use xrsh.
  Use Ctrl+a+0/1/2/3/.. to switch terminals.
  Use Ctrl+a+c to create a new terminal.
+ Use 'save' to save session (survives tab-close)
  Happy hacking! \o/
 

buildroot-v86/board/v86/rootfs_overlay/etc/profile.sh

@@ -37,15 +37,22 @@ prompt(){
 
 console(){
   js 'return '$1
+  printf "\n"
 }
 
+# usage: require <url|file>
+#
+# info: adds javascript/css url/script to DOM 
 require(){
   file=$(basename "$1")
   js '(async () => {
     await AFRAME.utils.require({"'$file'": "'$1'"})
-  })()'
+  })(); return ""'
 }
 
+# usage: man <topic>
+#
+# info: simple manual viewer
 man(){
   test "$1" = xrsh && {
     cat /root/manual.md | less
@@ -53,8 +60,23 @@ man(){
 }
 help(){ man xrsh; }
 
+# usage: infinite ./runmydaemon 
+#
+# info: will run daemon forever (restarts when quit)
 infinite(){
   while sleep 1s; do 
     "$@"
   done
 }
+
+# usage: wait_for sleep 5s
+#
+# info: will print dots while waiting for process to end
+wait_for(){
+  dotting(){ while sleep 1s; do printf "."; done; }
+  dotting &
+  PID=$!
+  "$@"
+  kill -9 $PID
+  printf "\n"
+} 

buildroot-v86/board/v86/rootfs_overlay/etc/profile.xrsh

@@ -2,6 +2,12 @@
 
 test -d /dev/browser || {
 
+  move_root_to_9pfs(){
+    test -d /mnt/root && return 0
+    mv /root /mnt/.
+    ln -fs /mnt/root /root
+  }
+
   setup_links(){
     ln -fs /etc/motd ~/.motd 
     ln -fs /mnt/profile.browser ~/.profile.browser
@@ -37,21 +43,22 @@ test -d /dev/browser || {
     cat /dev/ttyS1 | xargs -I{} /bin/sh -c 'source /etc/profile; logger "isoterminal.exec({})"; {}'
   }
 
-  setup_reflect_index_html(){
-    # listen for writes to index.html and send them to DOM
-    inotifyd echo /root/index.html | awk '/^w / { system("cat "$2" | grep -vE \"^#!\" > /dev/browser/html") }'
-  }
-  
-  setup_reflect_index_js(){
-    # listen for writes to index.js and send them to DOM
-    inotifyd echo /root/index.js | awk '/^w / { system("cat "$2" | grep -vE \"^#!\" > /dev/browser/js") }'
+  setup_listen_homedir(){
+    sleep 4 # wait for inode of /mnt/root to become live (due to move_root_to_9pfs)
+    inotifyd echo /mnt/root | awk '
+
+      # listen for writes to rootdir and send them to DOM 
+      /^[we] \/mnt\/root index\.html/ { system("cat "$2"/"$3" | grep -vE \"^#!\" > /dev/browser/html") }
+      /^[we] \/mnt\/root index\.js/   { system("cat "$2"/"$3" | grep -vE \"^#!\" > /dev/browser/js") }
+
+    '
   }
 
+  move_root_to_9pfs
   setup_browser_dev
   setup_links
   setup_network
   setup_overlayfs
   setup_incoming_cmds &
-  setup_reflect_index_html &
-  setup_reflect_index_js &
+  setup_listen_homedir &
 }

buildroot-v86/board/v86/rootfs_overlay/root/.screenrc

@@ -33,6 +33,6 @@ term xterm-256color
 defbce on    # use current bg color for erased chars
 
 # setup windows
-screen -t manual                0 /bin/sh -c '/bin/infinite help'
-screen -t logs                  1 /bin/sh -c '/bin/infinite tail -n1 -f /dev/browser/console /var/log/messages'
+screen -t manual                0 /bin/sh --noprofile --norc -c '/bin/infinite help'
+screen -t logs                  1 /bin/sh --noprofile --norc -c '/bin/infinite tail -n1 -f /dev/browser/console /var/log/messages'
 screen -t xrsh                  2

buildroot-v86/board/v86/rootfs_overlay/root/bin/codemirror

@@ -1,4 +1,25 @@
-#!/bin/sh
-source /etc/profile.sh
-require 'com/codemirror.js' # add <script src="com/codemirror.js"></script> to dom 
-echo '<a-entity codemirror grabbable></a-entity>' >> /dev/browser/html 
+#!/bin/js
+
+(async function(){
+
+  await AFRAME.utils.require({
+        codemirrorjs:  "https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.58.1/codemirror.js",
+        codemirrorcss: "https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.35.0/codemirror.css",
+        cmtheme:       "https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.35.0/theme/shadowfox.css"
+  })
+
+  await AFRAME.utils.require({
+        cmxml:         "https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.35.0/mode/xml/xml.js",
+        cmjavascript:  "https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.35.0/mode/javascript/javascript.js",
+        cmcss:         "https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.35.0/mode/css/css.js",
+        highlight:     "https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.35.0/mode/htmlmixed/htmlmixed.js",
+        codemirrorAF:  "com/codemirror.js"
+  })
+
+  document.querySelector("a-entity#root").innerHTML += `<a-entity codemirror='file: ${args[1]}'></a-entity>`
+
+})()
+  
+return "" // empty stdout(put)
+
+// for shellscript-equivalent see bin/codemirror

buildroot-v86/board/v86/rootfs_overlay/root/bin/codemirror.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+source /etc/profile.sh
+
+require 'https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.58.1/codemirror.js'
+require 'https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.35.0/codemirror.css'
+require 'https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.35.0/theme/shadowfox.css'
+require 'com/codemirror.js'
+
+echo "<a-entity codemirror='file: $1'></a-entity>" >> /dev/browser/html
+
+# for js-equivalent see bin/codemirror

buildroot-v86/board/v86/rootfs_overlay/root/bin/save

@@ -1,4 +1,13 @@
-#!/bin/js
-const isoterminal = document.querySelector('[isoterminal]').components.isoterminal.isoterminal
+#!/bin/sh
+source /etc/profile.sh
+
+javascript='
+  const isoterminal = document.querySelector("[isoterminal]").components.isoterminal.isoterminal
   isoterminal.save()
   return "[OK] xrsh state saved\n"
+'
+
+echo "[OK] triggering ~/hook.d/save/* scripts"
+hook save
+echo "[..] please wait.."
+js "$javascript"

buildroot-v86/board/v86/rootfs_overlay/root/hook.d/.mp4/play

@@ -0,0 +1,2 @@
+#!/bin/js
+// /bin/filemanager => browser play mp3

buildroot-v86/board/v86/rootfs_overlay/root/hook.d/save/tolog

@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "[OK] hook.d/save/tolog: reporting save to OS"
+logger "state was saved at $(date)"