From 6b1b515489cd514bfd489fee6063e798040d8b64 Mon Sep 17 00:00:00 2001
From: UdjinM6 <UdjinM6@users.noreply.github.com>
Date: Sun, 26 Nov 2023 01:38:28 +0300
Subject: [PATCH] ci: save/restore Guix cache and depends

---
 .github/workflows/guix-build.yml   | 27 +++++++++++++++++++++++++++
 contrib/containers/guix/Dockerfile | 11 ++++++++---
 2 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/guix-build.yml b/.github/workflows/guix-build.yml
index bdc14911de313e..3eb93324499d33 100644
--- a/.github/workflows/guix-build.yml
+++ b/.github/workflows/guix-build.yml
@@ -42,6 +42,21 @@ jobs:
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
+      - name: Restore Guix cache and depends
+        id: guix-cache-restore
+        uses: actions/cache/restore@v3
+        with:
+          path: |
+            ${{ github.workspace }}/.cache
+            ${{ github.workspace }}/dash/depends/built
+            ${{ github.workspace }}/dash/depends/sources
+            ${{ github.workspace }}/dash/depends/work
+          key: ${{ runner.os }}-guix
+
+      - name: Create .cache folder if missing
+        if: steps.guix-cache-restore.outputs.cache-hit != 'true'
+        run: mkdir -p .cache
+
       - name: Run Guix build
         timeout-minutes: 1440
         run: |
@@ -49,6 +64,7 @@ jobs:
             --name guix-daemon \
             -e ADDITIONAL_GUIX_COMMON_FLAGS="--max-jobs=$(nproc --all)" \
             -v ${{ github.workspace }}/dash:/src/dash \
+            -v ${{ github.workspace }}/.cache:/home/ubuntu/.cache \
             -w /src/dash \
             guix_ubuntu:latest && \
           docker exec guix-daemon bash -c '/usr/local/bin/guix-start'
@@ -60,6 +76,17 @@ jobs:
             exit 1
           fi
 
+      - name: Save Guix cache and depends
+        id: guix-cache-save
+        uses: actions/cache/save@v3
+        with:
+          path: |
+            ${{ github.workspace }}/.cache
+            ${{ github.workspace }}/dash/depends/built
+            ${{ github.workspace }}/dash/depends/sources
+            ${{ github.workspace }}/dash/depends/work
+          key: ${{ steps.guix-cache-restore.outputs.cache-primary-key }}
+
       - name: Compute SHA256 checksums
         run: |
           ./dash/contrib/containers/guix/scripts/guix-check ${{ github.workspace }}/dash
diff --git a/contrib/containers/guix/Dockerfile b/contrib/containers/guix/Dockerfile
index 12b531a7150a05..aa42ce41c29a8c 100644
--- a/contrib/containers/guix/Dockerfile
+++ b/contrib/containers/guix/Dockerfile
@@ -79,9 +79,14 @@ COPY --from=docker_root ./scripts/entrypoint /usr/local/bin/entrypoint
 COPY --from=docker_root ./scripts/guix-check /usr/local/bin/guix-check
 COPY --from=docker_root ./scripts/guix-start /usr/local/bin/guix-start
 
-# Create directory for mounting and grant necessary permissions
-RUN mkdir -p /src/dash && \
-    chown -R ${USER_ID}:${GROUP_ID} /src
+# Create directories for mounting to save/restore cache and grant necessary permissions
+RUN mkdir -p \
+        /home/${USERNAME}/.cache \
+        /src/dash/depends/{built,sources,work} && \
+    chown -R ${USER_ID}:${GROUP_ID} \
+        /home/${USERNAME}/.cache \
+        /src
+
 WORKDIR "/src/dash"
 
 # Switch to unprivileged context