ci: update for dev/shm

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

Author: RobertCNelson

.gitlab-ci.yml

@@ -1,6 +1,8 @@
 before_script:
   - export PATH=/usr/lib/ccache:$PATH
+  - export CCACHE_DIR=/dev/shm/my-ccache-in-memory
   - export CCACHE_NOCOMPRESS=1
+  - df -h /dev/shm
   - echo "Acquire::http::Proxy \"http://192.168.1.10:3142\";" > /etc/apt/apt.conf.d/00aptproxy
   - apt-get update
   - apt-get dist-upgrade -yq
@@ -21,14 +23,16 @@ build-debian-14-arm64:
     - docker-aarch64-rpi4-ci
   stage: build
   script:
-    - mkdir -p /root/.cache/ccache/ || true
     - tar --zstd -xf ccache.tar.zst -C / || true
+    - df -h /dev/shm
     - ccache -M 1G
+    - ccache -sv
+    - ccache --recompress=uncompressed
     - ccache -z
     - ./build_u-boot.sh
     - ccache -sv
-    - tar --use-compress-program=zstd -cf ccache.tar.zst /root/.cache/ccache/
-    - du -sh ccache.tar.zst
+    - df -h /dev/shm
+    - tar --use-compress-program='zstd -9' -cf ccache.tar.zst /dev/shm/my-ccache-in-memory
 
 build-debian-13-arm64:
   image: robertcnelson/beagle-devscripts-kernel-debian-13-arm64:latest
@@ -41,14 +45,16 @@ build-debian-13-arm64:
     - docker-aarch64-rpi4-ci
   stage: build
   script:
-    - mkdir -p /root/.cache/ccache/ || true
     - tar --zstd -xf ccache.tar.zst -C / || true
+    - df -h /dev/shm
     - ccache -M 1G
+    - ccache -sv
+    - ccache --recompress=uncompressed
     - ccache -z
     - ./build_u-boot.sh
     - ccache -sv
-    - tar --use-compress-program=zstd -cf ccache.tar.zst /root/.cache/ccache/
-    - du -sh ccache.tar.zst
+    - df -h /dev/shm
+    - tar --use-compress-program='zstd -9' -cf ccache.tar.zst /dev/shm/my-ccache-in-memory
 
 pages:
   image: robertcnelson/beagle-devscripts-kernel-debian-12-arm64:latest
@@ -61,14 +67,16 @@ pages:
     - docker-aarch64-rpi4-ci
   stage: build
   script:
-    - mkdir -p /root/.cache/ccache/ || true
     - tar --zstd -xf ccache.tar.zst -C / || true
+    - df -h /dev/shm
     - ccache -M 1G
+    - ccache -sv
+    - ccache --recompress=uncompressed
     - ccache -z
     - ./build_u-boot.sh
     - ccache -sv
-    - tar --use-compress-program=zstd -cf ccache.tar.zst /root/.cache/ccache/
-    - du -sh ccache.tar.zst
+    - df -h /dev/shm
+    - tar --use-compress-program='zstd -9' -cf ccache.tar.zst /dev/shm/my-ccache-in-memory
     - apindex public
   artifacts:
     when: on_success