ci: Use composite Rust version action (#320)

* ci: Use composite Rust version action

* Prep for merge

.github/workflows/rust-version.yml

@@ -15,26 +15,17 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@nightly
-      - name: Parse rust-toolchain.toml
-        run: echo "TOOLCHAIN_VERSION=$(rustup show | grep rustc | awk -F'[()]| ' '{ print $(NF-1) }')" | tee -a $GITHUB_ENV
-        working-directory: ${{ github.workspace }}/${{ matrix.package }}
-      - name: Get latest nightly Rust version
-        run: |
-          echo "RUST_VERSION=$(rustup check | grep nightly | awk -F'[()]| ' '{print $(NF-1)}')" | tee -a $GITHUB_ENV
-      - name: Compare Rust versions
-        id: compare-versions
-        run: |
-          if [[ $(printf '%s\n' "$TOOLCHAIN_VERSION" "$RUST_VERSION" | sort -V | head -n 1) != "$RUST_VERSION" ]]; then
-            echo "outdated=true" | tee -a $GITHUB_OUTPUT
-          fi
-        working-directory: ${{ github.workspace }}/${{ matrix.package }}
-      - name: Update Cargo.toml
-        if: steps.compare-versions.outputs.outdated == 'true'
-        run: |
-          sed -i 's/channel = .*/channel = "nightly-${{ env.RUST_VERSION }}"/' rust-toolchain.toml
-        working-directory: ${{ github.workspace }}/${{ matrix.package }}
+      - uses: actions/checkout@v4
+        with:
+          repository: argumentcomputer/ci-workflows
+          path: ci-workflows
+      - uses: ./ci-workflows/.github/actions/rust-version
+        id: rust-version
+        with:
+          toolchain: nightly
+          path: ${{ matrix.package }}
       - uses: tibdex/github-app-token@v2
-        if: steps.compare-versions.outputs.outdated == 'true'
+        if: steps.rust-version.outputs.outdated == 'true'
         id: generate-token
         with:
           app_id: ${{ secrets.TOKEN_APP_ID }}
@@ -46,11 +37,11 @@ jobs:
         with:
           token: ${{ steps.generate-token.outputs.token }}
           branch: "ci-update-rust-version-${{ matrix.package }}"
-          title: "chore: Update `${{ matrix.package }}` Rust version to `nightly-${{ env.RUST_VERSION }}`"
-          commit-message: "chore: Update `${{ matrix.package }}` Rust version to `nightly-${{ env.RUST_VERSION }}`"
+          title: "chore: Update `${{ matrix.package }}` Rust version to `nightly-${{ steps.rust-version.outputs.new-version }}`"
+          commit-message: "chore: Update `${{ matrix.package }}` Rust version to `nightly-${{ steps.rust-version.outputs.new-version }}`"
           labels: "automated-issue"
           reviewers: "tchataigner, wwared, storojs72, huitseeker, samuelburnham"
           body: |
-            This is an automated PR updating the `${{ matrix.package }}` Rust version from `nightly-${{ env.TOOLCHAIN_VERSION }}` to `nightly-${{ env.RUST_VERSION }}`
+            This is an automated PR updating the `${{ matrix.package }}` Rust version from `nightly-${{ steps.rust-version.outputs.old-version }}` to `nightly-${{ steps.rust-version.outputs.new-version }}`
 
             Workflow run: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}