From 43f9f228567ce2604cc640f9255ba970b7c06e4d Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Thu, 5 May 2022 00:15:37 -0400
Subject: add file locking to deploy/process scripts

---
 deploy-static | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'deploy-static')

diff --git a/deploy-static b/deploy-static
index 9ace9230..287593c7 100755
--- a/deploy-static
+++ b/deploy-static
@@ -2,7 +2,14 @@
 
 set -o errexit -o nounset -o pipefail
 
-./process-static
+touch lock
+exec {fd}< lock
+if ! flock -n $fd; then
+    echo deploy_static already locked >&2
+    exit 1
+fi
+
+./process-static $fd
 
 servers=({0..2}.grapheneos.org)
 
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