actions: use nix2workflow again

2 files changed, 15 insertions, 100 deletions

diff --git a/.github/eval-flake.sh b/.github/eval-flake.sh
deleted file mode 100755
index ceebcc9..0000000
--- a/.github/eval-flake.sh
+++ /dev/null
@@ -1,90 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-### this is inspired by the ci script in [nixpkgs-unfree](https://github.com/numtide/nixpkgs-unfree)
-### link: https://github.com/numtide/nixpkgs-unfree/blob/127b9b18583de04c6207c2a0e674abf64fc4a3b1/ci.sh
-#
-## MIT License
-##
-## Copyright (c) 2022 Jonas Chevalier
-##
-## Permission is hereby granted, free of charge, to any person obtaining a copy
-## of this software and associated documentation files (the "Software"), to deal
-## in the Software without restriction, including without limitation the rights
-## to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-## copies of the Software, and to permit persons to whom the Software is
-## furnished to do so, subject to the following conditions:
-##
-## The above copyright notice and this permission notice shall be included in all
-## copies or substantial portions of the Software.
-##
-## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-## IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-## AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-## LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-## OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-## SOFTWARE.
-
-function get_os() {
-    case "$1" in
-        "x86_64-linux") echo "ubuntu-latest" ;;
-        "x86_64-darwin") echo "macos-latest" ;;
-        "aarch64-linux") echo "ubuntu-latst" ;;
-    esac
-}
-
-args=(
-    --gc-roots-dir gc-roots
-    --check-cache-status
-    --force-recurse
-    --option allow-import-from-derivation true
-    --show-trace
-    --flake
-    '.#hydraJobs'
-)
-
-if [[ -n "${GITHUB_STEP_SUMMARY-}" ]]; then
-    log() {
-        echo "$*" >> "$GITHUB_STEP_SUMMARY"
-    }
-else
-    log() {
-        echo "$*"
-    }
-fi
-
-jobs=$(nix-eval-jobs "${args[@]}" | jq -r '. | @base64')
-jq -n '{"include": []}' > matrix.json
-
-had_error=0
-echo "$jobs" | while read -r job; do
-    job=$(echo "$job" | base64 -d)
-    attr=$(echo "$job" | jq -r .attr)
-    echo "## $attr"
-
-    error=$(echo "$job" | jq -r '.error')
-    if [[ $error == null ]]; then
-        log "### ✅ $attr"
-
-        system=$(echo "$job" | jq -r .system)
-        isCached=$(echo "$job" | jq -r .isCached)
-
-        jq ".include += [{\"attr\": \"$attr\", \"os\": \"$(get_os "$system")\", \"isCached\": $isCached}]" < matrix.json > matrix.json.tmp
-        mv matrix.json.tmp matrix.json
-    else
-        log "### ❌ $attr"
-        log
-        log "<details><summary>Evaluation error:</summary><pre>"
-        log "$error"
-        log "</pre></details>"
-        had_error=1
-    fi
-done
-
-if [[ $had_error -gt 0 ]]; then
-    rm matrix.json
-    exit 1
-fi
-
-echo "matrix=$(jq -r 'tostring' matrix.json)" >> "$GITHUB_OUTPUT"
-rm matrix.json
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c4fc11e..f8e429e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -31,19 +31,21 @@ jobs:
       - name: Evaluate jobs
         id: eval
         run: |
-          nix shell --inputs-from . \
-            nixpkgs#{bash,coreutils,jq,nix-eval-jobs} \
-            --command bash ./.github/eval-flake.sh
+          echo "matrix=$(nix eval --show-trace --json .#workflowMatrix)" >> "$GITHUB_OUTPUT"
 
   build:
     needs: eval
 
     strategy:
+      fail-fast: false
       matrix: ${{ fromJSON(needs.eval.outputs.matrix) }}
 
     name: Build (${{ matrix.attr }})
     runs-on: ${{ matrix.os }}
 
+    env:
+      JOBS: "hydraJobs"
+
     steps:
       - uses: actions/checkout@v4
 
@@ -56,19 +58,22 @@ jobs:
           name: getchoo
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
 
-      - name: Check if cached
-        if: ${{ matrix.isCached }}
-        run: |
-          echo ${{ matrix.attr }} is already built!
-
       - name: Run build
-        if: ${{ !matrix.isCached }}
         run: |
+          for url in "https://cache.nixos.org" "https://getchoo.cachix.org"; do
+            if nix eval --raw .#"$JOBS".${{ matrix.attr }} \
+              | cut -c12-43 \
+              | xargs -I {} curl -f "$url"/{}.narinfo &> /dev/null; then
+              echo ${{ matrix.attr }} is already cached in $url!
+            fi
+          done
+
           nix build --print-build-logs --fallback \
-            .#hydraJobs.${{ matrix.attr }}
+            .#"$JOBS".${{ matrix.attr }}
 
   check:
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest]