Merge pull request #1249 from dfinity/mwe/snapshot

feat: Add snapshot download example

Author: michael-weigelt

.github/CODEOWNERS

@@ -60,6 +60,7 @@
 /rust/backend_wasm64/ @dfinity/sdk
 /rust/canister-info/ @dfinity/execution
 /rust/canister-snapshots/ @dfinity/execution
+/rust/canister-snapshot-download/ @dfinity/execution
 /rust/canister_logs/ @dfinity/execution
 /rust/composite_query/ @dfinity/execution
 /rust/counter/ @dfinity/growth

.github/workflows/rust-canister-snapshot-download-example.yaml

@@ -0,0 +1,44 @@
+name: rust-canister-snapshot-download
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    paths:
+      - rust/canister-snapshot-download/**
+      - .github/workflows/provision-darwin.sh
+      - .github/workflows/provision-linux.sh
+      - .github/workflows/rust-canister-snapshot-download-example.yaml
+      - .ic-commit
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  rust-canister-snapshot-download-example-darwin:
+    runs-on: macos-15
+    steps:
+      - uses: actions/checkout@v1
+      - name: Provision Darwin
+        run: bash .github/workflows/provision-darwin.sh
+      - name: Remove networks.json
+        run: rm -f ~/.config/dfx/networks.json
+      - name: Rust Canister Snapshots Darwin
+        run: |
+          dfx start --background
+          pushd rust/canister-snapshot-download
+          # ./run.sh # enable when download feature is out of beta
+          popd
+  rust-canister-snapshot-download-example-linux:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v1
+      - name: Provision Linux
+        run: bash .github/workflows/provision-linux.sh
+      - name: Remove networks.json
+        run: rm -f ~/.config/dfx/networks.json
+      - name: Rust Canister Snapshots Linux
+        run: |
+          dfx start --background
+          pushd rust/canister-snapshot-download
+          # ./run.sh # enable when download feature is out of beta
+          popd

rust/canister-snapshot-download/.cargo/config.toml

@@ -0,0 +1,4 @@
+[build]
+target = ["wasm32-unknown-unknown"]
+
+[target.wasm32-unknown-unknown]

rust/canister-snapshot-download/.gitignore

@@ -0,0 +1,27 @@
+# Various IDEs and Editors
+.vscode/
+.idea/
+**/*~
+
+# Mac OSX temporary files
+.DS_Store
+**/.DS_Store
+
+# dfx temporary files
+.dfx/
+
+# generated files
+**/declarations/
+
+# rust
+target/
+
+# frontend code
+node_modules/
+dist/
+.svelte-kit/
+
+# environment variables
+.env
+
+snapshots/