From 449afbcaeca797557bb91182b7303c090ed211b7 Mon Sep 17 00:00:00 2001
From: Shivam Mathur <shivam_jpr@hotmail.com>
Date: Mon, 11 Nov 2024 12:53:09 +0530
Subject: [PATCH] Handle race condition in get on a mutli self-hosted runners
 setup

---
 src/scripts/unix.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/scripts/unix.sh b/src/scripts/unix.sh
index f8905025..25ae845f 100644
--- a/src/scripts/unix.sh
+++ b/src/scripts/unix.sh
@@ -84,12 +84,19 @@ get() {
   if [ "$mode" = "-s" ]; then
     sudo curl "${curl_opts[@]}" "${links[0]}"
   else
+    lock_path="$file_path.lock"
+    until sudo mkdir "$lock_path" 2>/dev/null; do
+      echo "Another process is downloading a file at $file_path, waiting"
+      sleep 1
+    done
+    trap 'sudo rm -rf "$lock_path"' EXIT SIGINT SIGTERM
     for link in "${links[@]}"; do
       status_code=$(sudo curl -w "%{http_code}" -o "$file_path" "${curl_opts[@]}" "$link")
       [ "$status_code" = "200" ] && break
     done
     [ "$execute" = "-e" ] && sudo chmod a+x "$file_path"
     [ "$mode" = "-v" ] && echo "$status_code"
+    sudo rm -rf "$lock_path" >/dev/null 2>&1 || true
   fi
 }