From 00de75a43cabbfa6b6ea738238a72cb67eda2094 Mon Sep 17 00:00:00 2001
From: Jeremy Kaplan <jdkaplan@metagram.net>
Date: Mon, 9 Aug 2021 18:38:40 -0700
Subject: [PATCH] bin: watch-test

---
 bin/watch-test | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 bin/watch-test

diff --git a/bin/watch-test b/bin/watch-test
new file mode 100755
index 0000000..d332511
--- /dev/null
+++ b/bin/watch-test
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [ "$#" -lt 2 ]; then
+    >&2 echo "usage: $0 dir command [args]"
+    exit 1
+fi
+
+dir="$1"; shift
+cmd=("$@")
+
+echo 'Press Space or edit a file to run tests'
+# I specifically want the command to expand here.
+#
+# shellcheck disable=SC2068
+until fd . "${dir}" | entr -cdp ${cmd[@]}; do
+    echo 'Press Space or edit a file to re-run tests'
+done