Use the firmware working directory for cargo (#52)

* Use the firmware working directory for cargo

* Fix an oopsie

* Fix an oopsie

* Fuck yaml

* Use a more maintained actions-rs github actions repo

* More CI fixes

.github/workflows/clippy.yml

@@ -1,4 +1,8 @@
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 
 name: Cargo Clippy
 
@@ -7,15 +11,12 @@ jobs:
     name: Cargo Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@v1
         with:
-          profile: minimal
           toolchain: stable
-          override: true
           components: clippy
       - run: rustup target install thumbv6m-none-eabi
-      - uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: --manifest-path firmware/Cargo.toml --all-targets -- -D warnings
+      - name: Cache Rust Dependencies
+        uses: Swatinem/rust-cache@v2
+      - run: cd firmware && cargo clippy -- -D warnings

.github/workflows/rustfmt.yml

@@ -1,4 +1,8 @@
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 
 name: Cargo Format
 
@@ -7,14 +11,9 @@ jobs:
     name: Cargo Format
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@v1
         with:
-          profile: minimal
           toolchain: nightly
-          override: true
           components: rustfmt
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --manifest-path firmware/Cargo.toml --all -- --check
+      - run: cd firmware && cargo fmt --all -- --check