Factor build steps into reusable workflow

.github/workflows/build.yml

@@ -0,0 +1,34 @@
+name: build
+
+on:
+  workflow_call:
+    inputs:
+      crate:
+        required: true
+        type: string
+      bin:
+        required: false
+        type: string
+
+jobs:
+  build:
+    name: build ${{inputs.crate}}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo install --force ${{inputs.crate}} --bin ${{inputs.bin || inputs.crate}}
+      - id: which
+        run: echo "::set-output name=which::$(which ${{inputs.bin || inputs.crate}})"
+      - run: echo "$PRIVATE_KEY" | gpg --import
+        env:
+          PRIVATE_KEY: ${{secrets.PRIVATE_KEY}}
+      - run: gpg --output ${{inputs.bin || inputs.crate}}.sig --detach-sig ${{steps.which.outputs.which}}
+      - run: gpg --output signing-key.gpg --dearmor signing-key.asc
+      - run: gpg --no-default-keyring --keyring ./signing-key.gpg --verify ${{inputs.bin || inputs.crate}}.sig ${{steps.which.outputs.which}}
+      - uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            ${{steps.which.outputs.which}}
+            ${{inputs.bin || inputs.crate}}.sig
+          fail_on_unmatched_files: true

.github/workflows/cargo-expand.yml

@@ -7,23 +7,6 @@ on:
 
 jobs:
   build:
-    name: cargo-expand
+    uses: dtolnay/install/.github/workflows/build.yml@master
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@stable
-      - run: cargo install --force cargo-expand
-      - id: which
-        run: echo "::set-output name=which::$(which cargo-expand)"
-      - run: echo "$PRIVATE_KEY" | gpg --import
-        env:
-          PRIVATE_KEY: ${{secrets.PRIVATE_KEY}}
-      - run: gpg --output cargo-expand.sig --detach-sig ${{steps.which.outputs.which}}
-      - run: gpg --output signing-key.gpg --dearmor signing-key.asc
-      - run: gpg --no-default-keyring --keyring ./signing-key.gpg --verify cargo-expand.sig ${{steps.which.outputs.which}}
-      - uses: softprops/action-gh-release@v1
     with:
-          files: |
+      crate: cargo-expand
-            ${{steps.which.outputs.which}}
-            cargo-expand.sig
-          fail_on_unmatched_files: true

.github/workflows/cargo-outdated.yml

@@ -7,23 +7,6 @@ on:
 
 jobs:
   build:
-    name: cargo-outdated
+    uses: dtolnay/install/.github/workflows/build.yml@master
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@stable
-      - run: cargo install --force cargo-outdated
-      - id: which
-        run: echo "::set-output name=which::$(which cargo-outdated)"
-      - run: echo "$PRIVATE_KEY" | gpg --import
-        env:
-          PRIVATE_KEY: ${{secrets.PRIVATE_KEY}}
-      - run: gpg --output cargo-outdated.sig --detach-sig ${{steps.which.outputs.which}}
-      - run: gpg --output signing-key.gpg --dearmor signing-key.asc
-      - run: gpg --no-default-keyring --keyring ./signing-key.gpg --verify cargo-outdated.sig ${{steps.which.outputs.which}}
-      - uses: softprops/action-gh-release@v1
     with:
-          files: |
+      crate: cargo-outdated
-            ${{steps.which.outputs.which}}
-            cargo-outdated.sig
-          fail_on_unmatched_files: true

.github/workflows/cxxbridge-cmd.yml

@@ -7,23 +7,7 @@ on:
 
 jobs:
   build:
-    name: cxxbridge-cmd
+    uses: dtolnay/install/.github/workflows/build.yml@master
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@stable
-      - run: cargo install --force cxxbridge-cmd
-      - id: which
-        run: echo "::set-output name=which::$(which cxxbridge)"
-      - run: echo "$PRIVATE_KEY" | gpg --import
-        env:
-          PRIVATE_KEY: ${{secrets.PRIVATE_KEY}}
-      - run: gpg --output cxxbridge.sig --detach-sig ${{steps.which.outputs.which}}
-      - run: gpg --output signing-key.gpg --dearmor signing-key.asc
-      - run: gpg --no-default-keyring --keyring ./signing-key.gpg --verify cxxbridge.sig ${{steps.which.outputs.which}}
-      - uses: softprops/action-gh-release@v1
     with:
-          files: |
+      crate: cxxbridge-cmd
-            ${{steps.which.outputs.which}}
+      bin: cxxbridge
-            cxxbridge.sig
-          fail_on_unmatched_files: true