From fe047338d08c73e7fa513777a792d78237107e71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <karel.koci@nic.cz>
Date: Thu, 2 Aug 2018 13:52:42 +0200
Subject: Add inotify based inrun and insurf

---
 shellrc.d/common | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'shellrc.d/common')

diff --git a/shellrc.d/common b/shellrc.d/common
index 6fbbfc1..8a30f3b 100644
--- a/shellrc.d/common
+++ b/shellrc.d/common
@@ -103,3 +103,27 @@ ssh-clear() {
 chroot-bash() {
 	sudo chroot "$1" /bin/bash
 }
+
+# Run command with inotifywait
+# First argument has to be files then -- is expected and everything else
+# is command to be executed when file changes.
+inrun () {
+	(
+	set -e
+	local TMPFS="$(mktemp --tmpdir inrun.XXXXXXXX)"
+	trap "rm '$TMPFS'; trap '' EXIT; exit 0" EXIT INT QUIT TERM ABRT
+	while [ $# -gt 0 -a "$1" != "--" ]; do
+		echo "$1" >> "$TMPFS"
+		shift
+	done
+	if [ $# -le 1 ]; then
+		echo "Usage: inrun FILE.. -- COMMAND"
+		return 1
+	fi
+	shift
+	while true; do
+		inotifywait -qe close_write --fromfile "$TMPFS" || true
+		"$@" || true
+	done
+	)
+}
-- 
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