From 55fec0344537458606ce7b478f2541da59713020 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Mon, 3 Jul 2023 12:54:10 -0400
Subject: [PATCH] Add a "w" alias for watch.

---
 ansible/roles/base/files/watch_freebsd | 40 ++++++++++++++++++++++++++
 ansible/roles/base/files/watch_linux   |  8 ++++++
 ansible/roles/base/tasks/freebsd.yaml  |  3 +-
 ansible/roles/base/tasks/linux.yaml    |  2 ++
 4 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 ansible/roles/base/files/watch_freebsd
 create mode 100644 ansible/roles/base/files/watch_linux

diff --git a/ansible/roles/base/files/watch_freebsd b/ansible/roles/base/files/watch_freebsd
new file mode 100644
index 0000000..6b56000
--- /dev/null
+++ b/ansible/roles/base/files/watch_freebsd
@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+#
+# Imitate watch from linux
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+############## Setup #########################
+
+function cleanup {
+    switch_to_main_screen
+}
+for sig in EXIT INT QUIT HUP TERM; do
+  trap "set +e; cleanup; exit" "$sig"
+done
+
+############## Program #########################
+
+function main {
+    switch_to_alt_screen
+    while true; do
+        local output=$("$@")
+        clear
+        cat <<<"$output"
+        sleep 2
+    done
+}
+
+function switch_to_alt_screen {
+    # tput smcup
+    echo -e "\e[?1049h"
+    clear
+}
+
+function switch_to_main_screen {
+    # tput rmcup
+    echo -e "\e[?1049l"
+}
+
+main "$@"
diff --git a/ansible/roles/base/files/watch_linux b/ansible/roles/base/files/watch_linux
new file mode 100644
index 0000000..e9a6b68
--- /dev/null
+++ b/ansible/roles/base/files/watch_linux
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+#
+# Invoke watch
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+exec watch "$@"
diff --git a/ansible/roles/base/tasks/freebsd.yaml b/ansible/roles/base/tasks/freebsd.yaml
index c0a464e..05ba700 100644
--- a/ansible/roles/base/tasks/freebsd.yaml
+++ b/ansible/roles/base/tasks/freebsd.yaml
@@ -94,6 +94,8 @@
   loop:
     - src: bemount.bash
       dest: /usr/local/bin/bemount
+    - src: watch_freebsd
+      dest: /usr/local/bin/ww
 
 - name: Install rc script
   copy:
@@ -121,4 +123,3 @@
     group: wheel
   loop:
     - disk_labels
-
diff --git a/ansible/roles/base/tasks/linux.yaml b/ansible/roles/base/tasks/linux.yaml
index 67b3554..a6017c3 100644
--- a/ansible/roles/base/tasks/linux.yaml
+++ b/ansible/roles/base/tasks/linux.yaml
@@ -37,3 +37,5 @@
   loop:
     - src: mount_disk_image
       dest: /usr/local/bin/mount_disk_image
+    - src: watch_linux
+      dest: /usr/local/bin/ww