From 8a3b0c60ad08fac36fb636d9e87181f6050c6dcf Mon Sep 17 00:00:00 2001
From: Wolfgang Walther <walther@technowledgy.de>
Date: Sat, 10 Feb 2024 12:35:56 +0100
Subject: [PATCH] ci: Remove nix actions cache and prepopulate job

The nix actions cache currently leads to repeated "no space left on
devices" errors for jobs in CI.

The prepopulate job is useless without the nix actions cache, so it
will go away at the same time.
---
 .github/actions/setup-nix/action.yaml |  9 ---------
 .github/workflows/ci.yaml             | 20 --------------------
 .github/workflows/loadtest.yaml       |  2 --
 3 files changed, 31 deletions(-)

diff --git a/.github/actions/setup-nix/action.yaml b/.github/actions/setup-nix/action.yaml
index 779b324e0..8f6b91c64 100644
--- a/.github/actions/setup-nix/action.yaml
+++ b/.github/actions/setup-nix/action.yaml
@@ -7,9 +7,6 @@ inputs:
     description: Token to pass to cachix
   tools:
     description: Tools to install with nix-env -iA <tools>
-  cache-id:
-    description: Cache id to use for cache-nix-action
-    default: "default"
 
 runs:
   using: composite
@@ -17,12 +14,6 @@ runs:
     - uses: nixbuild/nix-quick-install-action@v26
       with:
         nix_version: '2.13.6'
-    - name: Restore and cache Nix store
-      uses: nix-community/cache-nix-action@v4.0.3
-      with:
-        key: cache-nix-${{ runner.os }}-${{ inputs.cache }}-${{ hashFiles('**/*.nix', 'nix/**/*.patch') }}
-        restore-keys: |
-          cache-nix-${{ runner.os }}-${{ inputs.cache }}-
     - uses: cachix/cachix-action@v14
       with:
         name: postgrest
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d2bb20cad..a856f282f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -18,22 +18,9 @@ concurrency:
   cancel-in-progress: "${{ !(github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/rel-')) }}"
 
 jobs:
-  Prepopulate-Nix-Cache-Linux:
-    name: Prepopulate Nix cache for Linux runners
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Nix Environment
-        uses: ./.github/actions/setup-nix
-        with:
-          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-          cache-id: common
-          tools: style withTools memory tests release postgrestPackage
-    
   Lint-Style:
     name: Lint & check code style
     runs-on: ubuntu-latest
-    needs: [Prepopulate-Nix-Cache-Linux]
     steps:
       - uses: actions/checkout@v4
       - name: Setup Nix Environment
@@ -41,7 +28,6 @@ jobs:
         with:
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
           tools: style
-          cache-id: common
       - name: Run linter (check locally with `nix-shell --run postgrest-lint`)
         run: postgrest-lint
       - name: Run style check (auto-format with `nix-shell --run postgrest-style`)
@@ -51,7 +37,6 @@ jobs:
   Test-Nix:
     name: Test (Nix)
     runs-on: ubuntu-latest
-    needs: [Prepopulate-Nix-Cache-Linux]
     defaults:
       run:
         # Hack for enabling color output, see:
@@ -64,7 +49,6 @@ jobs:
         with:
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
           tools: tests
-          cache-id: common
 
       - name: Run coverage (IO tests and Spec tests against PostgreSQL 15)
         run: postgrest-coverage
@@ -89,7 +73,6 @@ jobs:
         pgVersion: [9.6, 10, 11, 12, 13, 14, 15, 16]
     name: Test PG ${{ matrix.pgVersion }} (Nix)
     runs-on: ubuntu-latest
-    needs: [Prepopulate-Nix-Cache-Linux]
     defaults:
       run:
         # Hack for enabling color output, see:
@@ -102,7 +85,6 @@ jobs:
         with:
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
           tools: tests withTools
-          cache-id: common 
 
       - name: Run spec tests
         if: always()
@@ -116,7 +98,6 @@ jobs:
   Test-Memory-Nix:
     name: Test memory (Nix)
     runs-on: ubuntu-latest
-    needs: [Prepopulate-Nix-Cache-Linux]
     steps:
       - uses: actions/checkout@v4
       - name: Setup Nix Environment
@@ -124,7 +105,6 @@ jobs:
         with:
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
           tools: memory
-          cache-id: common
       - name: Run memory tests
         run: postgrest-test-memory
 
diff --git a/.github/workflows/loadtest.yaml b/.github/workflows/loadtest.yaml
index d463ac915..9b08fd022 100644
--- a/.github/workflows/loadtest.yaml
+++ b/.github/workflows/loadtest.yaml
@@ -26,7 +26,6 @@ jobs:
         uses: ./.github/actions/setup-nix
         with:
           tools: loadtest
-          cache-id: test-loadtest
       - uses: actions-ecosystem/action-get-latest-tag@v1
         id: get-latest-tag
         with:
@@ -58,7 +57,6 @@ jobs:
         uses: ./.github/actions/setup-nix
         with:
           tools: loadtest
-          cache-id: test-loadtest
       - name: Run loadtest
         run: |
           postgrest-loadtest-against ${{ steps.get-latest-tag.outputs.tag }}