From e08f30fe771d065a4cde8f58dd71b6d4a358004d Mon Sep 17 00:00:00 2001
From: Jochen Sprickerhof <git@jochen.sprickerhof.de>
Date: Wed, 28 Dec 2022 11:30:01 +0100
Subject: Extract ssh connection check to try-ssh.sh

---
 tests/try-ssh.sh | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 tests/try-ssh.sh

(limited to 'tests/try-ssh.sh')

diff --git a/tests/try-ssh.sh b/tests/try-ssh.sh
new file mode 100755
index 0000000..109299b
--- /dev/null
+++ b/tests/try-ssh.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# shellcheck disable=SC2086
+
+if test "$#" -ne 2; then
+	echo "$(basename "$0") takes two positional arguments. options/host and command" 1>&2
+	exit 1
+fi
+
+timeout=5
+ts=$(sleepenh 0 || [ $? -eq 1 ])
+for i in $(seq 30); do
+	rv=0
+	ssh $1 echo success || rv=$?
+	test $rv -eq 0 && break
+	ts=$(sleepenh "$ts" "$timeout" || [ $? -eq 1 ]);
+	if test "$i" -eq 30; then
+		echo "timeout reached" >&2
+		exit 1
+	fi
+done
+ssh $1 $2
-- 
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