From acedbed3081d97d60968e6218a2c1dec60a91c0c Mon Sep 17 00:00:00 2001
From: Adeeb Shihadeh <adeebshihadeh@gmail.com>
Date: Thu, 22 Sep 2022 20:57:16 -0700
Subject: [PATCH] set hostname to tici-<serial_number> (#89)

* set hostname to tici-<serial_number>

* runs as root
---
 userspace/files/serial-hostname.service | 10 ++++++++++
 userspace/services.sh                   |  1 +
 userspace/usr/comma/set-hostname.sh     |  6 ++++++
 3 files changed, 17 insertions(+)
 create mode 100644 userspace/files/serial-hostname.service
 create mode 100755 userspace/usr/comma/set-hostname.sh

diff --git a/userspace/files/serial-hostname.service b/userspace/files/serial-hostname.service
new file mode 100644
index 0000000..d4562a4
--- /dev/null
+++ b/userspace/files/serial-hostname.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=Sets the hostname to the device's serial number
+
+[Service]
+User=root
+Type=oneshot
+ExecStart=/usr/comma/set-hostname.sh
+
+[Install]
+WantedBy=multi-user.target
diff --git a/userspace/services.sh b/userspace/services.sh
index 9778c58..94bd002 100755
--- a/userspace/services.sh
+++ b/userspace/services.sh
@@ -8,6 +8,7 @@ systemctl enable cdsprpcd
 
 # Enable our services
 systemctl enable fs_setup.service
+systemctl enable serial-hostname.service
 systemctl enable comma.service
 systemctl enable gpio.service
 systemctl enable lte.service
diff --git a/userspace/usr/comma/set-hostname.sh b/userspace/usr/comma/set-hostname.sh
new file mode 100755
index 0000000..a1e3180
--- /dev/null
+++ b/userspace/usr/comma/set-hostname.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+set -e
+
+SERIAL="$(cat /proc/cmdline | sed -e 's/^.*androidboot.serialno=//' -e 's/ .*$//')"
+echo "serial: '$SERIAL'"
+hostname "tici-$SERIAL"