qemush : suppression tmux

README.md

@@ -33,7 +33,6 @@ the same virtual machines
 - **Modularization**: `qemush` launching scripts are intended to be
 stackable to reuse common `qemu` parameters in all virtual machines
 needing them
-- **Process supervision**: `qemush` uses `tmux` to supervise processes and
 keep track of them
 - **Copy-on-write**: images are formatted using `qcow2` to use less space
 on disk
@@ -48,7 +47,6 @@ need it
 - `bash` - the `qemush` interpreter
 - `coreutils` - used for basic OS operations
 - `sudo` - execute commands as `qemu`
-- `tmux` - for process supervision
 - `source-highlight` - for syntax highlighting when displaying launching
 scripts
 - `diskpath` and `sockpath` - see [Installation
@@ -95,7 +93,6 @@ by the `Makefile` for the installation process.
 - Compile C programs from `src` in `~qemu/bin` with mode `740`
 - Copy the default launching scripts to `~qemu/launchers` with mode `740`
 - Copy `bin/qemush` to `/usr/local/bin/qemush` with mode `755`
-- Copy the `tmux` configuration to the `qemu` user homedir
 
 ## Usage
 

bin/qemush

@@ -18,6 +18,7 @@ exec_as qemu "$@"
 # Directories used in the program
 bin="${HOME}/launchers"
 images="${HOME}/disks"
+sockets="${HOME}/sockets"
 
 # Environment
 PATH="${bin}:${HOME}/bin:${PATH}"
@@ -73,29 +74,27 @@ error_usage() {
     return 1
 }
 
-# Function to start a virtual machine ; fails if the virtual machine is
-# already started thanks to tmux
+# Function to start a virtual machine
 public_start() {
     QEMUSH_NAME="$1"
     shift
 
-    exec tmux new-session \
-        -s "$QEMUSH_NAME" \
-        "$QEMUSH_NAME" \
-        "$@"
+    exec "$QEMUSH_NAME" "$@"
 }
 
 # Attach to a running virtual machine output, the latest opened if no
 # argument is provided
 public_watch() {
-    [ -n "$1" ] && set -- -t "$1"
+    QEMUSH_NAME="$1"
+    shift
 
-    exec tmux attach "$@"
+    socat -,echo=0,icanon=0 "UNIX-CONNECT:$(sockpath)"
 }
 
 # List running virtual machines
 public_active() {
-    exec tmux list-sessions
+    echo "Running machines:"
+    exec ls "$sockets"
 }
 
 # List available virtual machines entrypoints

qemu/tmux.conf

@@ -1,5 +0,0 @@
-# Keep tmux sessions visible after exit
-set -g remain-on-exit on
-
-# Override the nologin directive
-set -g default-shell /bin/sh