From 7b0b26b09b3e3eac84080307dfe269246f067844 Mon Sep 17 00:00:00 2001
From: Gabriel Simmer <g@gmem.ca>
Date: Wed, 16 Aug 2023 09:56:45 +0100
Subject: [PATCH] Revert caching

---
 .gitea/workflows/test-build.yml | 92 ++++++++++++++++++++-------------
 1 file changed, 57 insertions(+), 35 deletions(-)

diff --git a/.gitea/workflows/test-build.yml b/.gitea/workflows/test-build.yml
index 2207020..729d633 100644
--- a/.gitea/workflows/test-build.yml
+++ b/.gitea/workflows/test-build.yml
@@ -9,26 +9,26 @@ jobs:
     runs-on: debian-latest
     steps:
       - name: Install prerequisites
-        run: |
-          apt update && apt install -y sudo zstd jq
-          echo "USER=$(whoami)" >> $GITHUB_ENV
-          groupadd -r nixbld
-          for n in $(seq 1 10); do useradd -c "Nix build user $n" -d /var/empty -g nixbld -G nixbld -M -N -r -s "$(command -v nologin)" "nixbld$n"; done
+        run: apt update && apt install -y sudo zstd
+
+      - name: "Cache Nix store"
+        uses: actions/cache@v3.0.8
+        id: nix-cache
+        with:
+          path: /tmp/nixcache
+          key: "dref-cache-v1"
 
       - name: Install Nix
-        uses: https://github.com/nixbuild/nix-quick-install-action@v25
-
+        uses: https://github.com/cachix/install-nix-action@v22
+        with:
+          extra_nix_config: "experimental-features = nix-command flakes"
+          nix_path: nixpkgs=channel:nixos-23.05
       - name: Remove access_tokens
         run: sed -i '/^access-tokens/d' /etc/nix/nix.conf
 
-      - name: Restore and cache Nix store
-        uses: https://github.com/nix-community/cache-nix-action@v1
-        with:
-          linux-gc-enabled: true
-          linux-max-store-size: 536870912
-          key: cache-${{ matrix.os }}-${{ hashFiles('**/*') }}
-          restore-keys: |
-            cache-${{ matrix.os }}
+      - name: "Import Nix store cache"
+        if: "steps.nix-cache.outputs.cache-hit == 'true'"
+        run: "nix-store --import < /tmp/nixcache"
 
       - name: Check out repository
         uses: actions/checkout@v3.5.3
@@ -37,6 +37,11 @@ jobs:
       - name: Check codebase
         run: nix flake check -L
 
+      - name: "Export Nix store cache"
+        if: "steps.nix-cache.outputs.cache-hit != 'true'"
+        run: "nix-store --export $(find /nix/store -maxdepth 1 -name '*-*') > /tmp/nixcache"
+
+
   docker-build:
     needs: nix-flake-check
     runs-on: debian-latest
@@ -44,20 +49,24 @@ jobs:
       - name: Install prerequisites
         run: apt update && apt install -y sudo zstd
 
-      - name: Install Nix
-        uses: https://github.com/nixbuild/nix-quick-install-action@v25
+      - name: "Cache Nix store"
+        uses: actions/cache@v3.0.8
+        id: nix-cache
+        with:
+          path: /tmp/nixcache
+          key: "dref-cache-v1"
 
+      - name: Install Nix
+        uses: https://github.com/cachix/install-nix-action@v22
+        with:
+          extra_nix_config: "experimental-features = nix-command flakes"
+          nix_path: nixpkgs=channel:nixos-23.05
       - name: Remove access_tokens
         run: sed -i '/^access-tokens/d' /etc/nix/nix.conf
 
-      - name: Restore and cache Nix store
-        uses: https://github.com/nix-community/cache-nix-action@v1
-        with:
-          linux-gc-enabled: true
-          linux-max-store-size: 536870912
-          key: cache-${{ matrix.os }}-${{ hashFiles('**/*') }}
-          restore-keys: |
-            cache-${{ matrix.os }}
+      - name: "Import Nix store cache"
+        if: "steps.nix-cache.outputs.cache-hit == 'true'"
+        run: "nix-store --import < /tmp/nixcache"
 
       - name: Check out repository
         uses: actions/checkout@v3.5.3
@@ -71,6 +80,11 @@ jobs:
           wget https://raw.githubusercontent.com/containers/skopeo/main/default-policy.json && mkdir /etc/containers && mv default-policy.json /etc/containers/policy.json
           skopeo copy docker-archive:result docker://icr.gmem.ca/dref:latest
 
+      - name: "Export Nix store cache"
+        if: "steps.nix-cache.outputs.cache-hit != 'true'"
+        run: "nix-store --export $(find /nix/store -maxdepth 1 -name '*-*') > /tmp/nixcache"
+
+
   arm-docker-build:
     needs: nix-flake-check
     runs-on: debian-latest-arm
@@ -78,20 +92,24 @@ jobs:
       - name: Install prerequisites
         run: apt update && apt install -y sudo zstd
 
-      - name: Install Nix
-        uses: https://github.com/nixbuild/nix-quick-install-action@v25
+      - name: "Cache Nix store"
+        uses: actions/cache@v3.0.8
+        id: nix-cache
+        with:
+          path: /tmp/nixcache
+          key: "dref-cache-arm-v1"
 
+      - name: Install Nix
+        uses: https://github.com/cachix/install-nix-action@v22
+        with:
+          extra_nix_config: "experimental-features = nix-command flakes"
+          nix_path: nixpkgs=channel:nixos-23.05
       - name: Remove access_tokens
         run: sed -i '/^access-tokens/d' /etc/nix/nix.conf
 
-      - name: Restore and cache Nix store
-        uses: https://github.com/nix-community/cache-nix-action@v1
-        with:
-          linux-gc-enabled: true
-          linux-max-store-size: 536870912
-          key: cache-${{ matrix.os }}-${{ hashFiles('**/*') }}
-          restore-keys: |
-            cache-${{ matrix.os }}
+      - name: "Import Nix store cache"
+        if: "steps.nix-cache.outputs.cache-hit == 'true'"
+        run: "nix-store --import < /tmp/nixcache"
 
       - name: Check out repository
         uses: actions/checkout@v3.5.3
@@ -104,3 +122,7 @@ jobs:
           nix-env -i skopeo -f '<nixpkgs>'
           wget https://raw.githubusercontent.com/containers/skopeo/main/default-policy.json && mkdir /etc/containers && mv default-policy.json /etc/containers/policy.json
           skopeo copy docker-archive:result docker://icr.gmem.ca/dref:arm
+
+      - name: "Export Nix store cache"
+        if: "steps.nix-cache.outputs.cache-hit != 'true'"
+        run: "nix-store --export $(find /nix/store -maxdepth 1 -name '*-*') > /tmp/nixcache"