From 08fc6c242e0fad735f60a83a2427c1ceeb5519ea Mon Sep 17 00:00:00 2001
From: Bob Callaway <bcallaway@google.com>
Date: Mon, 16 Dec 2024 08:56:35 -0500
Subject: [PATCH] create daemon.json if it doesn't exist

Signed-off-by: Bob Callaway <bcallaway@google.com>
---
 actions/setup/action.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/actions/setup/action.yml b/actions/setup/action.yml
index 12952e149..289224181 100644
--- a/actions/setup/action.yml
+++ b/actions/setup/action.yml
@@ -83,6 +83,9 @@ runs:
       if [ ${{ inputs.sigstore-only }} == "false" ]; then
         # Configure DockerHub mirror
         tmp=$(mktemp)
+        if [ ! -f /etc/docker/daemon.json ]; then
+          echo '{}' > /etc/docker/daemon.json
+        fi
         jq '."registry-mirrors" = ["https://mirror.gcr.io"]' /etc/docker/daemon.json > "$tmp"
         sudo mv "$tmp" /etc/docker/daemon.json
         sudo service docker restart