From 4926542faa6f613b06ee26f11109877c47b8a3be Mon Sep 17 00:00:00 2001
From: ryan <ryan@distrust.co>
Date: Tue, 24 Jun 2025 20:18:39 -0400
Subject: [PATCH] host: add default tmux config

---
 Containerfile                 |  2 ++
 src/host/rootfs/etc/inittab   |  4 ++--
 src/host/rootfs/etc/tmux.conf | 36 +++++++++++++++++++++++++++++++++++
 3 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 src/host/rootfs/etc/tmux.conf

diff --git a/Containerfile b/Containerfile
index 78dda97..6042b5d 100644
--- a/Containerfile
+++ b/Containerfile
@@ -71,6 +71,7 @@ FROM stagex/user-usbmuxd@sha256:90f687d2368328b76141badc382a21873a5b44d4ddccf851
 FROM stagex/user-socat@sha256:990a70ae13462d8ba0a925fe959dd83070cbecdb3f91ff145caca5232171f3b8 AS user-socat
 FROM stagex/user-dhcpcd@sha256:60bd86d9e2fcb6341c1efaeda5d786b63ff92e9d0c729cd8f634a20ff54ee71e AS user-dhcpcd
 FROM stagex/user-guestctl@sha256:95ad9e34a003c7d1d01f5d427b5f79d2430f6e6634debde8e54f9a6f08749704 AS user-guestctl
+FROM stagex/user-tmux@sha256:57b63a27169a333edb073f1c6646a37ec6a9eee02ffdbc494a52bd6d670fc576 AS user-tmux
 
 FROM scratch AS base
 ARG VERSION development
@@ -247,6 +248,7 @@ COPY --from=user-libzbar . initramfs
 COPY --from=user-keyfork . initramfs
 COPY --from=user-icepick . initramfs
 COPY --from=user-guestctl . initramfs
+COPY --from=user-tmux . initramfs
 COPY src/host/rootfs/ initramfs
 COPY <<-EOF initramfs/etc/environment
     export VERSION="$VERSION"
diff --git a/src/host/rootfs/etc/inittab b/src/host/rootfs/etc/inittab
index 56b8725..a0e2999 100644
--- a/src/host/rootfs/etc/inittab
+++ b/src/host/rootfs/etc/inittab
@@ -21,9 +21,9 @@ null::sysinit:/bin/ln -sf /proc/self/fd/2 /dev/stderr
 # now run any rc scripts
 ::sysinit:/etc/init.d/rcS
 
-# Put shells on the serial terminal and console
+# Put a shell on serial and tmux on the console
 console::respawn:-/bin/bash
-ttyS0::respawn:-/bin/bash
+ttyS0::respawn:-/bin/bash /bin/tmux
 
 # Stuff to do for the 3-finger salute
 ::ctrlaltdel:/sbin/reboot
diff --git a/src/host/rootfs/etc/tmux.conf b/src/host/rootfs/etc/tmux.conf
new file mode 100644
index 0000000..a6581c9
--- /dev/null
+++ b/src/host/rootfs/etc/tmux.conf
@@ -0,0 +1,36 @@
+# Zero-based indexing is sure great in programming languages,
+# but not so much in terminal multiplexers where that zero is
+# all the way on the other side of the keyboard.
+set-option -g base-index 1
+
+set-option -g status on
+set-option -g status-interval 1
+
+# We should not have more than one session, but it's still possible.
+# Therefore...
+set-option -g status-left "[#S] "
+
+# Just so we can use `-ag` properly later
+set-option -g status-right ""
+
+# The current power battery level
+set-option -ag " [#(cat /sys/class/power_supply/BAT0/capacity)%%]"
+
+# Current date and time, in case it's relevant, and has drifted
+set-option -ag status-right " [%Y-%m-%d %H:%M:%S]"
+
+# because cyan on black is cool, and pops out
+set-option -g status-style "bg=color0 fg=color6"
+set-option -g status-position bottom
+
+# we don't have much screen space, let's limit what's displayed
+set-window-option -g window-status-bell-style "bold"
+set-window-option -g window-status-current-format "#I:#W"
+set-window-option -g window-status-format "#I:#W"
+
+# our "focused" window and pane is the brighter one
+set-window-option -g window-status-style "fg=color6"
+set-window-option -g window-status-current-style "fg=color14"
+set-option -g pane-border-style "fg=color6"
+set-option -g pane-active-border-style "fg=color14"
+set-option -g message-style "fg=color6 bg=color0"