fix(ci): use HTTPS apt sources for Bonsai

Rewrite ARM64 package sources before installing GCC and check gallery fixture cleanup errors so the optimized tests satisfy errcheck.

Assisted-by: Codex:gpt-5

Signed-off-by: Richard Palethorpe <io@richiejp.com>

Author: richiejp

.docker/bonsai-compile.sh

@@ -25,7 +25,11 @@ if [ -z "${BUILD_TYPE:-}" ]; then
   # Pure CPU image: one ggml CPU_ALL_VARIANTS build replaces the per-microarch binaries.
   # arm64: the armv9.2 SME variants need gcc-14 (gcc-13 rejects +sme).
   if [ "${TARGETARCH}" = "arm64" ]; then
-    apt-get update -qq && apt-get install -y -qq gcc-14 g++-14
+    APT_MIRROR="${APT_MIRROR:-https://azure.archive.ubuntu.com}" \
+      APT_PORTS_MIRROR="${APT_PORTS_MIRROR:-https://azure.ports.ubuntu.com}" \
+      sh /LocalAI/.docker/apt-mirror.sh
+    apt-get update -qq
+    apt-get install -y -qq gcc-14 g++-14
     export CC=gcc-14 CXX=g++-14
   fi
   make bonsai-cpu-all

core/gallery/backends_test.go

@@ -186,8 +186,8 @@ var _ = Describe("Gallery Backends", func() {
 	})
 
 	AfterEach(func() {
-		os.RemoveAll(tempDir)
-		os.RemoveAll(fixtureDir)
+		Expect(os.RemoveAll(tempDir)).To(Succeed())
+		Expect(os.RemoveAll(fixtureDir)).To(Succeed())
 	})
 
 	Describe("InstallBackendFromGallery", func() {