From 84610c0efe1b3e217c03c46a29cf483edaa480ab Mon Sep 17 00:00:00 2001
From: zijiren233 <pyh1670605849@gmail.com>
Date: Thu, 30 Jul 2026 00:21:52 +0800
Subject: [PATCH] ci: disable Cargo incremental compilation

---
 .github/workflows/docker.yml | 1 +
 Dockerfile                   | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index fc0fbf1a..1b63b7f3 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -78,6 +78,7 @@ jobs:
       cache-scope: synctv-image
       build-args: |
         SYNCTV_CARGO_BUILD_PROFILE=${{ github.event_name == 'pull_request' && 'dev' || 'release' }}
+        CARGO_INCREMENTAL=0
       set-meta-annotations: true
       set-meta-labels: true
       meta-images: ${{ needs.docker-prepare.outputs.meta-images }}
diff --git a/Dockerfile b/Dockerfile
index 484cfbc7..840fd36f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,8 +29,12 @@ ARG SYNCTV_BUILD_NO_DEFAULT_FEATURES=false
 ARG SYNCTV_BUILD_FEATURES="k8s,mimalloc,openapi"
 ARG SYNCTV_CARGO_BUILD_ARGS=""
 ARG SYNCTV_CARGO_BUILD_PROFILE=release
+ARG CARGO_INCREMENTAL=0
 ARG TARGETARCH
 
+# Clean CI runners benefit from deterministic non-incremental compilation.
+ENV CARGO_INCREMENTAL=$CARGO_INCREMENTAL
+
 # Copy entire source tree
 COPY . .