ci: automatically create github releases on tags

.github/workflows/build-and-test.yml

@@ -111,3 +111,26 @@ jobs:
           rustup toolchain install nightly --profile minimal -c rustfmt
           cargo +stable clippy -- -D warnings
           cargo +nightly fmt -- --check
+
+  github-release:
+    name: github-release
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
+    needs: build
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Download artifacts
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          path: artifacts
+
+      - name: Package release assets
+        run: scripts/package-release-assets.sh
+
+      - name: Create release
+        uses: softprops/action-gh-release@v1
+        with:
+          draft: true
+          files: release/ouch-*.tar.gz

.github/workflows/manual-release.yml

@@ -0,0 +1,33 @@
+name: manual-release
+
+on:
+  workflow_dispatch:
+    inputs:
+      run_id:
+        description: Run id of the action run to pull artifacts from
+        required: true
+
+jobs:
+  github-release:
+    name: github-release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Download artifacts
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          path: artifacts
+          workflow: build-and-test.yml
+          run_id: ${{ github.event.inputs.run_id }}
+
+      - name: Package release assets
+        run: scripts/package-release-assets.sh
+
+      - name: Create release
+        uses: softprops/action-gh-release@v1
+        with:
+          draft: true
+          name: manual release ${{ github.event.inputs.run_id }}
+          files: release/ouch-*.tar.gz

scripts/package-release-assets.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+mkdir release
+cd artifacts || exit
+
+for dir in ouch-*.exe; do
+    mv "$dir" "${dir%.exe}"
+done
+
+for target in ouch-*; do
+    [ -f "$target/ouch" ] && chmod +x "$target/ouch"
+    cp -r artifacts "$target/completions"
+    mkdir "$target/man"
+    mv "$target"/completions/*.1 "$target/man"
+    cp ../{README.md,LICENSE,CHANGELOG.md} "$target"
+    tar czf "../release/$target.tar.gz" "$target"
+done