From 2f64edb7fa0d9f584f168f4d3532d5bf4d0fcdd1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Mon, 27 Jul 2020 19:47:03 +0200
Subject: turris: run only one job type instance

---
 templates/turris.run | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/templates/turris.run b/templates/turris.run
index 9c2bc0c..0752be4 100755
--- a/templates/turris.run
+++ b/templates/turris.run
@@ -7,7 +7,12 @@ num_jobs="$(($(nproc) * 2))"
 make="force-make -j$num_jobs -d$num_jobs -f V=99 -- -l$(nproc) BUILD_LOG=1"
 ###################################################
 export IS_TTY=1
-# TODO take lock so we won't run multiple instances of new builds
+
+# Lock for execution
+if [ "$1" != "--locked" ]; then
+	exec flock --exclusive "$WORKSPACE/execution.lock" "$0" --locked "$@"
+fi
+shift # Shift --locked
 
 curl "https://repo.turris.cz/$ANIMAL/$BOARD/packages/git-hash" > git-hash
 cat git-hash
-- 
cgit v1.2.3