ci: fix path to build output

Otherwise `nix flake check` breaks...

.drone.yml

@@ -1,48 +1,53 @@
 kind: pipeline
+type: exec
 name: deploy CV
 
 steps:
-  - name: build
-    image: aergus/latex
-    pull: always
-    commands:
-      - make
+- name: build
+  commands:
+  - nix develop -c make
 
-  - name: deploy
-    image: appleboy/drone-scp
-    settings:
-      source: /drone/src/*.pdf
-      strip_components: 2 # Make sure the tarball doesn't contain leading path
-      rm: true # Make sure only the newly generated files are left
-      host:
-        from_secret: ssh_host
-      target:
-        from_secret: ssh_target
-      username:
-        from_secret: ssh_user
-      key:
-        from_secret: ssh_key
-      port:
-        from_secret: ssh_port
-    when:
-      branch:
-        - main
-      event:
-        exclude:
-          - pull_request
+- name: check
+  commands:
+  - nix flake check
 
-  - name: notify
-    image: plugins/matrix
-    settings:
-      homeserver:
-        from_secret: matrix_homeserver
-      roomid:
-        from_secret: matrix_roomid
-      username:
-        from_secret: matrix_username
-      password:
-        from_secret: matrix_password
-      trigger:
-        status:
-          - failure
-          - success
+- name: deploy
+  commands:
+  - nix run github:ambroisie/nix-config#drone-scp
+  environment:
+    SCP_SOURCE: '*.pdf'
+    SCP_RM: true # Make sure only the newly generated files are left
+    SCP_HOST:
+      from_secret: ssh_host
+    SCP_TARGET:
+      from_secret: ssh_target
+    SCP_USERNAME:
+      from_secret: ssh_user
+    SCP_KEY:
+      from_secret: ssh_key
+    SCP_PORT:
+      from_secret: ssh_port
+  when:
+    branch:
+      - main
+    event:
+      exclude:
+        - pull_request
+
+
+- name: notifiy
+  commands:
+  - nix run github:ambroisie/matrix-notifier
+  environment:
+    ADDRESS:
+      from_secret: matrix_homeserver
+    ROOM:
+      from_secret: matrix_roomid
+    USER:
+      from_secret: matrix_username
+    PASS:
+      from_secret: matrix_password
+  when:
+    status:
+    - failure
+    - success

flake.nix

@@ -7,7 +7,7 @@
   };
 
   outputs = { self, nixpkgs, futils } @ inputs:
-    futils.lib.eachSystem futils.lib.allSystems (system:
+    futils.lib.eachDefaultSystem (system:
       let
         inherit (nixpkgs) lib;
         pkgs = nixpkgs.legacyPackages.${system};