create daemon.json if it doesn't exist

Signed-off-by: Bob Callaway <bcallaway@google.com>
sigstore · Dec 16, 2024 · 08fc6c2 · 08fc6c2
1 parent db8a872
commit 08fc6c2
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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