Speed up ARM production release builds

.dockerignore

@@ -0,0 +1,20 @@
+# Release workflows inject github.sha through the GIT_COMMIT build argument.
+.git
+.github
+.devcontainer
+
+build
+build-*
+cmake-build-*
+**/CMakeFiles
+**/CMakeCache.txt
+**/cmake_install.cmake
+
+**/node_modules
+web/dist
+playwright-report
+test-results
+
+*.deb
+*.docx
+homeassistant

.github/workflows/container-scan.yml

@@ -34,6 +34,8 @@ jobs:
           push: false
           load: true
           tags: lightnvr:scan
+          build-args: |
+            GIT_COMMIT=${{ github.sha }}
 
       - name: Install Trivy
         run: |
@@ -77,4 +79,3 @@ jobs:
           name: trivy-scan-results
           path: trivy-results.sarif
           retention-days: 30
-

.github/workflows/debian-package.yml

@@ -76,6 +76,7 @@ jobs:
           build-args: |
             DEBIAN_SUITE=${{ matrix.debian_suite }}
             DEB_BUILD=true
+            GIT_COMMIT=${{ github.sha }}
 
       - name: Extract files and create .deb package
         run: |
@@ -333,4 +334,3 @@ jobs:
           fail_on_unmatched_files: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-

.github/workflows/docker-publish.yml

@@ -18,14 +18,20 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.runner }}
     strategy:
       fail-fast: false
       matrix:
-        platform:
-          - linux/amd64
-          - linux/arm64
-          - linux/arm/v7
+        include:
+          - platform: linux/amd64
+            runner: ubuntu-latest
+            emulated: false
+          - platform: linux/arm64
+            runner: ubuntu-24.04-arm
+            emulated: false
+          - platform: linux/arm/v7
+            runner: ubuntu-latest
+            emulated: true
 
     steps:
       - name: Checkout
@@ -61,6 +67,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up QEMU
+        if: matrix.emulated
         uses: docker/setup-qemu-action@v4
 
       - name: Set up Buildx
@@ -75,6 +82,10 @@ jobs:
           platforms: ${{ matrix.platform }}
           pull: true
           labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            GIT_COMMIT=${{ github.sha }}
+          cache-from: type=registry,ref=${{ env.REGISTRY_IMAGE }}:buildcache-${{ env.PLATFORM_PAIR }}
+          cache-to: type=registry,ref=${{ env.REGISTRY_IMAGE }}:buildcache-${{ env.PLATFORM_PAIR }},mode=max
           outputs: type=image,push-by-digest=true,name=${{ env.REGISTRY_IMAGE }},name-canonical=true,push=true
 
       - name: Save digest
@@ -161,4 +172,3 @@ jobs:
       - name: Inspect final image
         run: |
           docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
-

.gitignore

@@ -48,6 +48,7 @@ CMakeFiles/
 cmake_install.cmake
 Makefile
 *.cmake
+!cmake/toolchains/*.cmake
 !CMakeLists.txt
 
 # IDE files

CMakeLists.txt

@@ -728,15 +728,27 @@ endif()
 
 # Obtain git short commit hash for version stamping
 set(GIT_COMMIT "unknown")
-find_package(Git QUIET)
-if(GIT_FOUND)
-    execute_process(
-        COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
-        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-        OUTPUT_VARIABLE GIT_COMMIT
-        OUTPUT_STRIP_TRAILING_WHITESPACE
-        ERROR_QUIET
-    )
+if(DEFINED ENV{LIGHTNVR_GIT_COMMIT} AND NOT "$ENV{LIGHTNVR_GIT_COMMIT}" STREQUAL "")
+    set(GIT_COMMIT_INPUT "$ENV{LIGHTNVR_GIT_COMMIT}")
+    string(LENGTH "${GIT_COMMIT_INPUT}" GIT_COMMIT_LENGTH)
+    if(NOT GIT_COMMIT_INPUT MATCHES "^[0-9a-fA-F]+$" OR
+       GIT_COMMIT_LENGTH LESS 7 OR GIT_COMMIT_LENGTH GREATER 40)
+        message(FATAL_ERROR
+            "Invalid LIGHTNVR_GIT_COMMIT: expected a 7-40 character hexadecimal commit")
+    endif()
+    string(SUBSTRING "${GIT_COMMIT_INPUT}" 0 7 GIT_COMMIT)
+    string(TOLOWER "${GIT_COMMIT}" GIT_COMMIT)
+else()
+    find_package(Git QUIET)
+    if(GIT_FOUND)
+        execute_process(
+            COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
+            WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+            OUTPUT_VARIABLE GIT_COMMIT
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+            ERROR_QUIET
+        )
+    endif()
 endif()
 
 # Build date in ISO-8601