experiment - builddir bind

Author: grooverdan

.github/workflows/build-debian.infer.yml

@@ -32,14 +32,19 @@ jobs:
             tag: debian13-infer-clang-20
             nogalera: true
 
-    uses: ./.github/workflows/bbw_build_container_template.yml
-    with:
-      dockerfile: debian.Dockerfile infer.fragment.Dockerfile
-      image: ${{ matrix.image }}
-      platforms: ${{ matrix.platforms }}
-      tag: ${{ matrix.tag }}
-      branch: ${{ matrix.branch }}
-      nogalera: ${{ matrix.nogalera }}
-      noqpress: true
-      runner: 'ubuntu-24.04'
-    secrets: inherit
+    steps:
+      - name: empty builddir
+        run: |
+          mkdir $GITHUB_WORKSPACE/builddir
+
+      - uses: ./.github/workflows/bbw_build_container_template.yml
+        with:
+          dockerfile: debian.Dockerfile infer.fragment.Dockerfile
+          image: ${{ matrix.image }}
+          platforms: ${{ matrix.platforms }}
+          tag: ${{ matrix.tag }}
+          branch: ${{ matrix.branch }}
+          nogalera: ${{ matrix.nogalera }}
+          noqpress: true
+          runner: 'ubuntu-24.04'
+        secrets: inherit

ci_build_images/infer.fragment.Dockerfile

@@ -6,14 +6,15 @@
 ARG INFER_GIT_REF=7aeddba89149a566222dc2ab351eb1a4e6256a3a
 
 # hadolint ignore=DL3003
-RUN apt-get update \
+RUN --mount=type=bind,source=/builddir,target=/build,rw \
+    apt-get update \
     && apt-get install -y --no-install-recommends opam libsqlite3-dev \
     && git init src \
     && cd src \
     && git remote add origin https://github.com/facebook/infer.git \
     && git fetch --depth=1 origin $INFER_GIT_REF \
     && git checkout FETCH_HEAD \
-    && INTERACTIVE=no ./build-infer.sh clang \
+    && TMPDIR=/build INTERACTIVE=no ./build-infer.sh clang \
     && make install \
     && cd /  \
     && rm -rf src