Add snap config and GitHub Action

.github/workflows/snap.yml

@@ -0,0 +1,22 @@
+name: Snap
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+    tags:
+      - "lychee-v*"
+
+jobs:
+  build:
+    if: startsWith(github.ref, 'refs/tags/lychee-v')
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: snapcore/action-build@v1
+      - uses: snapcore/action-publish@v1
+        env:
+          SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
+        with:
+          snap: ${{ steps.build.outputs.snap }}
+          release: ${{ startsWith(github.ref, 'refs/tags/lychee-v') && 'stable' || 'edge'}}

.gitignore

@@ -8,6 +8,9 @@ Thumbs.db
 /target/
 debug/
 
+# Generated by snapcraft
+*.snap
+
 # NOTE: Cargo.lock should be committed for workspaces with both binaries and libraries
 # Cargo.lock
 

snap/snapcraft.yaml

@@ -0,0 +1,30 @@
+name: lychee
+summary: Fast, async, stream-based link checker written in Rust
+description: |
+  Finds broken hyperlinks and mail addresses, supports Markdown, HTML
+  and more, simple and lightweight
+
+website: https://lychee.cli.rs/
+issues: https://github.com/lycheeverse/lychee/issues
+source-code: https://github.com/lycheeverse/lychee
+license: Apache-2.0 OR MIT
+
+adopt-info: lychee # set version automatically from git tag
+
+grade: stable
+confinement: strict
+base: core24
+
+parts:
+  lychee:
+    plugin: rust
+    source: .
+    build-packages:
+      - libssl-dev
+    override-pull: |
+      craftctl default
+      craftctl set version=$(git describe --tags --abbrev=10)
+
+apps:
+  lychee:
+    command: lychee