Convert Devenv to Nix flake

.dvc/config

@@ -1,5 +1,8 @@
 [core]
     analytics = false
     remote = default-s3-remote
+    site_cache_dir = ./.dvc/cache
+[cache]
+    dir = cache
 ['remote "default-s3-remote"']
-    url = s3://lpm-research/default
+    url = s3://lpm-research/default

.envrc

@@ -0,0 +1,6 @@
+use flake
+
+shopt -s globstar
+
+watch_file **/*.nix
+watch_file flake.lock

.github/workflows/clojure-lint.yaml

@@ -21,12 +21,8 @@ jobs:
         with:
           name: devenv
 
-      - name: Install devenv
-        run: nix profile install tarball+https://install.devenv.sh/latest
-        shell: sh
-
       - name: Build developer environment
-        run: devenv shell -- echo "devenv built"
+        run: ./bin/env-run echo "Devshell built"
 
       - name: Lint files
-        run: devenv shell -- clj-kondo --lint deps.edn src bin test --config '{:output {:pattern "::{{level}} file={{filename}},line={{row}},col={{col}}::{{message}}"}}'
+        run: ./bin/env-run clj-kondo --lint deps.edn src bin test --config '{:output {:pattern "::{{level}} file={{filename}},line={{row}},col={{col}}::{{message}}"}}'

.github/workflows/clojure-tests.yaml

@@ -21,15 +21,11 @@ jobs:
         with:
           name: devenv
 
-      - name: Install devenv
-        run: nix profile install tarball+https://install.devenv.sh/latest
-        shell: sh
-
       - name: Build developer environment
-        run: devenv shell -- echo "devenv built"
+        run: ./bin/env-run echo "Devshell built"
 
       - name: Run Clojure tests
-        run: devenv shell -- clojure -X:test:clj-test
+        run: ./bin/env-run clojure -X:test:clj-test
 
       - name: Run ClojureScript tests
-        run: devenv shell -- clojure -M:test:cljs-test
+        run: ./bin/env-run clojure -M:test:cljs-test

.github/workflows/commit-linter.yaml

@@ -13,30 +13,31 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20
-          case: 'pnpm'
+      - name: Install Nix
+        uses: cachix/install-nix-action@v22
+
+      - uses: DeterminateSystems/magic-nix-cache-action@main
 
-      - uses: pnpm/action-setup@v3
+      - name: Set up Cachix
+        uses: cachix/cachix-action@v12
         with:
-          version: 8
+          name: devenv
 
       - name: Install commitlint
         run: |
-          pnpm install --frozen-lockfile
+          ./bin/env-run pnpm install --frozen-lockfile
 
       - name: Print versions
         run: |
-          git --version
-          node --version
-          pnpm --version
-          pnpm exec commitlint --version
+          ./bin/env-run git --version &&
+          ./bin/env-run node --version &&
+          ./bin/env-run pnpm --version &&
+          ./bin/env-run pnpm exec commitlint --version
 
       - name: Validate current commit (last commit) with commitlint
         if: github.event_name == 'push'
-        run: pnpm exec commitlint --last --verbose
+        run: ./bin/env-run pnpm exec commitlint --last --verbose
 
       - name: Validate PR commits with commitlint
         if: github.event_name == 'pull_request'
-        run: pnpm exec commitlint --from ${{ github.event.pull_request.head.sha }}~${{ github.event.pull_request.commits }} --to ${{ github.event.pull_request.head.sha }} --verbose
+        run: ./bin/env-run pnpm exec commitlint --from ${{ github.event.pull_request.head.sha }}~${{ github.event.pull_request.commits }} --to ${{ github.event.pull_request.head.sha }} --verbose

.github/workflows/python-build-tests.yaml

@@ -4,29 +4,24 @@ on:
   push:
     paths:
       - '.github/workflows/python-build-tests.yaml'
-      - 'devenv.lock'
-      - 'devenv.nix'
-      - 'devenv.yaml'
+      - 'flake.nix'
+      - 'devshell.nix'
       - 'pyproject.toml'
       - 'requirements.txt'
 
   pull_request:
     paths:
       - '.github/workflows/python-build-tests.yaml'
-      - 'devenv.lock'
-      - 'devenv.nix'
-      - 'devenv.yaml'
+      - 'flake.nix'
+      - 'devshell.nix'
       - 'pyproject.toml'
       - 'requirements.txt'
 
 jobs:
   run-tests:
     strategy:
       matrix:
-        # n.b. github actions macos runners are currently
-        # not supporting python 3.10.12. If we upgrade python
-        # we can resume these tests on mac, if we want to.
-        os: [ubuntu-latest]
+        os: [ ubuntu-latest, macos-latest ]
 
     runs-on: ${{ matrix.os }}
 
@@ -44,16 +39,8 @@ jobs:
         with:
           name: devenv
 
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.10.12"
-
-      - name: Install devenv
-        run: nix profile install tarball+https://install.devenv.sh/latest
-        shell: sh
-
       - name: Build developer environment
-        run: devenv shell -- echo "devenv built"
+        run: ./bin/env-run echo "Devshell built"
 
       - name: Run SPPL tests
-        run: devenv shell -- python -m pytest --pyargs sppl
+        run: ./bin/env-run python -m pytest --pyargs sppl

.github/workflows/python-unit-tests.yaml

@@ -20,16 +20,8 @@ jobs:
         with:
           name: devenv
 
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.10.12"
-
-      - name: Install devenv
-        run: nix profile install tarball+https://install.devenv.sh/latest
-        shell: sh
-
       - name: Build developer environment
-        run: devenv shell -- echo "devenv built"
+        run: ./bin/env-run echo "Devshell built"
 
       - name: Run Python tests
-        run: devenv shell -- python -m pytest test/scripts
+        run: ./bin/env-run python -m pytest test/scripts

.gitignore

@@ -30,3 +30,4 @@ sum-product-dsl/
 .lsp/.cache/
 .lsp/sqlite.*.db
 
+.direnv/

bin/env-run

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+nix develop -c bash -c "$(printf " %q" "${@}")"