From 60d56f2bb32201be435b7cd4462dd778ed559aa4 Mon Sep 17 00:00:00 2001
From: Cyril Cohen
Date: Fri, 12 Mar 2021 10:18:31 +0100
Subject: Use nix-tool-box

---
 .github/workflows/nix-action.yml | 107 +++++++++++++++++++++++++++++++++++++++
 .github/workflows/nix.yml        |  32 ------------
 2 files changed, 107 insertions(+), 32 deletions(-)
 create mode 100644 .github/workflows/nix-action.yml
 delete mode 100644 .github/workflows/nix.yml

(limited to '.github')

diff --git a/.github/workflows/nix-action.yml b/.github/workflows/nix-action.yml
new file mode 100644
index 0000000..dc920d9
--- /dev/null
+++ b/.github/workflows/nix-action.yml
@@ -0,0 +1,107 @@
+name: Nix CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  dependencies:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+    - name: Cachix install
+      uses: cachix/install-nix-action@v12
+      with:
+        nix_path: nixpkgs=channel:nixpkgs-unstable
+    - name: Cachix setup coq
+      uses: cachix/cachix-action@v8
+      with:
+        # Name of a cachix cache to pull/substitute
+        name: coq
+    - name: Cachix setup math-comp
+      uses: cachix/cachix-action@v8
+      with:
+        # Name of a cachix cache to pull/substitute
+        name: math-comp
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+    - name: Git checkout
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Building/fetching dependencies
+      run: nix-build --argstr ci-job dependencies
+    - name: Setup build matrix
+      id: set-matrix
+      run: |
+        matrix=$(nix-shell --arg do-nothing true --run nixTasks)
+        echo ::set-output name=matrix::{\"task\":$(echo $matrix)}\"
+
+  main:
+    runs-on: ubuntu-latest
+    needs:
+    - dependencies
+    strategy:
+      matrix: ${{fromJson(needs.dependencies.outputs.matrix)}}
+      fail-fast: false
+    steps:
+    - name: Cachix install
+      uses: cachix/install-nix-action@v12
+      with:
+        nix_path: nixpkgs=channel:nixpkgs-unstable
+    - name: Cachix setup coq
+      uses: cachix/cachix-action@v8
+      with:
+        # Name of a cachix cache to pull/substitute
+        name: coq
+    - name: Cachix setup math-comp
+      uses: cachix/cachix-action@v8
+      with:
+        # Name of a cachix cache to pull/substitute
+        name: math-comp
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+    - name: Git checkout
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Building/fetching dependencies
+      run: nix-build --no-out-link --argstr ci "${{ matrix.task }}" --argstr ci-job dependencies
+    - name: Building/fetching current project
+      run: nix-build --no-out-link --argstr ci "${{ matrix.task }}" --argstr ci-job main
+
+  shell:
+    runs-on: ubuntu-latest
+    needs:
+    - dependencies
+    strategy:
+      matrix: ${{fromJson(needs.dependencies.outputs.matrix)}}
+      fail-fast: false
+    steps:
+    - name: Cachix install
+      uses: cachix/install-nix-action@v12
+      with:
+        nix_path: nixpkgs=channel:nixpkgs-unstable
+    - name: Cachix setup coq
+      uses: cachix/cachix-action@v8
+      with:
+        # Name of a cachix cache to pull/substitute
+        name: coq
+    - name: Cachix setup math-comp
+      uses: cachix/cachix-action@v8
+      with:
+        # Name of a cachix cache to pull/substitute
+        name: math-comp
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+    - name: Git checkout
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Building/fetching dependencies
+      run: nix-build --no-out-link --argstr ci "${{ matrix.task }}" --argstr ci-job dependencies
+    - name: Building/fetching current project
+      run: nix-build --no-out-link --argstr ci "${{ matrix.task }}" --argstr ci-job shell
+
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
deleted file mode 100644
index 6a34426..0000000
--- a/.github/workflows/nix.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: Cachix
-on:
-  push:
-jobs:
-  cachix:
-    name: Cachix branch
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        coq: [ "8.11", "8.12" ]
-    steps:
-      - name: Get branch shortname
-        run: echo "##[set-output name=name;]$(echo ${GITHUB_REF#refs/heads/})"
-        id: branch-short
-      - name: Get owner name
-        run: echo "##[set-output name=name;]$(echo $GITHUB_REPOSITORY | cut -d/ -f1)"
-        id: owner
-      - name: Get owner lowercase name
-        run: echo "##[set-output name=name;]$(echo $GITHUB_REPOSITORY | cut -d/ -f1 | tr '[:upper:]' '[:lower:]')"
-        id: owner-lowercase
-      - uses: cachix/install-nix-action@v12
-      - uses: cachix/cachix-action@v8
-        if: steps.owner.outputs.name == 'math-comp' || steps.owner.outputs.name == 'CohenCyril'
-        with:
-          # Name of a cachix cache to push and pull/substitute
-          name: ${{ steps.owner-lowercase.outputs.name }}
-          extraPullNames: coq
-          # Authentication token for Cachix, needed only for private cache access
-          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-      # building fake mathcomp-fast target
-      - run: nix-build https://github.com/math-comp/math-comp-nix/archive/master.tar.gz --arg config '{coq = "${{ matrix.coq }}"; mathcomp = "${{ steps.owner.outputs.name }}/${{ steps.branch-short.outputs.name }}";}' --argstr package mathcomp
-- 
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