Tweak CI

.github/workflows/ci.yml

@@ -6,12 +6,12 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - uses: cachix/install-nix-action@v17
-    - uses: cachix/cachix-action@v10
+    - uses: actions/checkout@v3
+    - uses: DeterminateSystems/nix-installer-action@main
+    - uses: DeterminateSystems/magic-nix-cache-action@main
+    - uses: cachix/cachix-action@v12
       with:
         name: shajra
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
     - run: cat ~/.config/nix/nix.conf
-    - run: nix --print-build-logs build --file nix/ci.nix
-    - run: nix path-info --file nix/ci.nix
+    - run: nix --print-build-logs build --print-out-paths .#ci

doc/nix-usage-noflakes.md

@@ -301,7 +301,6 @@ nix-env --install --file . --attr packages.x86_64-linux.licenses-thirdparty 2>&1
 ```
 
     installing 'shajra-keyboards-licenses'
-    building '/nix/store/hs9xz17vlb2m4qn6kxfmccgjq4jyrvqg-user-environment.drv'...
 
 We can see this installation by querying what's been installed:
 

doc/nix-usage-noflakes.org

@@ -554,7 +554,6 @@ nix-env --profile /tmp/nix-profile \
 
 #+RESULTS: nix-env-install
 : installing 'shajra-keyboards-licenses'
-: building '/nix/store/hs9xz17vlb2m4qn6kxfmccgjq4jyrvqg-user-environment.drv'...
 
 We can see this installation by querying what's been installed:
 

flake.nix

@@ -113,6 +113,7 @@
                     packages.licenses-thirdparty =
                         build.shajra-keyboards-licenses;
                     legacyPackages.nixpkgs = build;
+                    legacyPackages.ci = build.shajra-keyboards-ci;
                     apps = rec {
                         default = licenses-thirdparty;
                         licenses-thirdparty = {