test cachix

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

ci/pipeline.yml

@@ -31,12 +31,12 @@ resources:
     uri: https://git.weirdnatto.in/natto1784/singh3.git
     branch: master
 
-- name: rust-image
+- name: nix
   type: registry-image
   icon: docker
   source:
-    repository: arm64v8/rust
-    tag: latest
+    repository: nixos/nix
+    tag: latest-arm64
 
 jobs:
 - name: configure-self
@@ -51,72 +51,30 @@ jobs:
   - get: repo
     trigger: true
     passed: [configure-self]
-  - get: rust-image
+  - get: nix
     trigger: false
-  - task: format
-    image: rust-image
-    config:
-      inputs:
-      - name: repo
-      platform: linux
-      run:
-        path: sh
-        args:
-        - -c
-        - |
-          rustup component add rustfmt
-          cargo fmt
-        dir: repo
   - task: build
-    image: rust-image
+    image: nix
     config:
       params:
-        CARGO_HOME: cargo-home
-        CARGO_TARGET_DIR: builddir
+        CACHIX_NAME: ((cachix.name))
+        CACHIX_AUTH_TOKEN: ((cachix.token))
       inputs:
       - name: repo
-      caches:
-      - path: builddir
-      - path: cargo-home
       platform: linux
       run:
         path: sh
         args:
         - -c
         - |
-          cargo build --release --manifest-path repo/Cargo.toml
-          mkdir release
-          mv $CARGO_TARGET_DIR/release/singh3 bin
-      outputs:
-      - name: bin
-  - task: push-image
-    privileged: true
-    config:
-      platform: linux
-      image_resource:
-        type: registry-image
-        source:
-          repository: rdclda/concourse-oci-build-task
-      caches:
-      - path: cache
-      inputs:
-      - name: bin
-      outputs:
-      - name: image
-      run:
-        path: sh
-        args:
-        - -c
-        - |
-          cat <<EOF > Dockerfile
-          FROM arm64v8/ubuntu
-          COPY bin/singh3 /usr/bin/singh3
-          CMD ["singh3"]
-          EOF
-          build
+          nix-env -iA nixpkgs.cachix
+          cachix use $CACHIX_NAME
+          cachix watch-exec pain nix -- --extra-experimental-features "nix-command flakes" build ./repo
+          nix --extra-experimental-features "nix-command flakes" build ./repo#image -o result
+          nix-shell -p gzip --run "gzip -c  $(readlink result) > final"
   - put: image
     params:
-      image: image/image.tar
+      image: final
   - put: nomad-job
     params:
       job_path: repo/singh3.nomad

default.nix

@@ -0,0 +1,10 @@
+(import
+  (
+    let lock = builtins.fromJSON (builtins.readFile ./flake.lock); in
+    fetchTarball {
+      url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+      sha256 = lock.nodes.flake-compat.locked.narHash;
+    }
+  )
+  { src = ./.; }
+).defaultNix

flake.nix

@@ -12,7 +12,6 @@
     utils.lib.eachDefaultSystem
       (system:
         let
-
           overlays =
             [
               (import "${cargo2nix}/overlay")
@@ -30,42 +29,23 @@
 
         in
         rec {
-
-          devShells = with pkgs; {
-            default = mkShell
-              {
+          devShell = with pkgs; mkShell {
             buildInputs = [
               rust-bin.nightly.latest.default
               rust-analyzer
               postgresql
             ];
           };
-            withDB = mkShell
-              {
-                buildInputs = [
-                  rust-bin.nightly.latest.default
-                  postgresql
-                ];
-              };
-            bare = mkShell
-              {
-                buildInputs = [
-                  rust-bin.nightly.latest.default
-                ];
-              };
-            withLSP = mkShell
-              {
-                buildInputs = [
-                  rust-bin.nightly.latest.default
-                  rust-analyzer
-                ];
-              };
-          };
-
-          devShell = devShells.default;
 
           packages = {
             default = (rustPkgs.workspace.singh3 { }).bin;
+            image = pkgs.dockerTools.buildImage {
+                name = "singh3";
+                tag = "latest";
+                created = "now";
+                contents = packages.default;
+                config.Cmd = [ "/bin/singh3" ];
+              };
           };
 
           defaultPackage = packages.default;