feat: Add Github cache support

action.yaml

@@ -29,9 +29,26 @@ runs:
       with:
         version: '0.94.2'
 
+    - name: Get Cache Suffix
+      id: cache-suffix
+      shell: nu {0}
+      run: |
+        use ${{ github.action_path }}/nu/bend.nu *
+        gen-cache-key
+
+    - uses: actions/cache@v4
+      id: cache
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          ~/.cargo/bin/hvm*
+          ~/.cargo/bin/bend*
+        key: ${{ runner.os }}-check-${{ steps.cache-suffix.outputs.suffix }}
+
     - name: Setup Bend
       shell: nu {0}
       run: |
         use ${{ github.action_path }}/nu/bend.nu *
-        setup bend
+        setup bend ${{steps.cache.outputs.cache-hit}}
 

nu/bend.nu

@@ -3,7 +3,7 @@
 # Created: 2024/06/09 20:33:15
 # TODO:
 #   [x] Support Windows, macOS, Linux
-#   [x] This script should run both in Github Runners and local machines
+#   [x] Add Github cache support
 # Description: Scripts for setting up Bend environment
 
 use common.nu [hr-line windows? is-installed]
@@ -12,16 +12,43 @@ export-env {
   $env.config.color_config.leading_trailing_space_bg = { attr: n }
 }
 
-export def 'setup bend' [] {
+export def 'setup bend' [cacheHit: bool = false] {
+  print $'Cache hit: ($cacheHit), type: ($cacheHit | describe)'
   print "Setting up Bend environment..."; hr-line
   print $'Gcc version: (ansi g)(gcc --version)(ansi reset)'
   print $'Cargo version: (ansi g)(cargo --version)(ansi reset)'
-  print 'Installing Hvm2...'; hr-line
-  cargo install hvm
+  if $cacheHit != true {
+    print 'Installing Hvm2...'; hr-line
+    cargo install hvm
+  }
   print $'Hvm version: (ansi g)(hvm --version)(ansi reset)'
-  print 'Installing Bend...'; hr-line
-  cargo install bend-lang
+  if $cacheHit != true {
+    print 'Installing Bend...'; hr-line
+    cargo install bend-lang
+  }
   print $'Bend version: (ansi g)(bend --version)(ansi reset)'
 }
 
+# Generate cache key suffix by bend and hvm version
+export def gen-cache-key [] {
+  let bend = cargo-search bend-lang | first
+  let hvm = cargo-search hvm | first
+  let key = $'($hvm.name):($hvm.version)-($bend.name):($bend.version)'
+  print $'Cache key suffix: ($key)'
+  echo $'suffix=($key)' o>> $env.GITHUB_OUTPUT
+}
+
+def cargo-search [ query: string, --limit=5 ] {
+  ^cargo search $query --limit $limit
+    | lines
+    | each { |line|
+        if ($line | str contains "#") {
+          $line | parse --regex '(?P<name>.+) = "(?P<version>.+)" +# (?P<description>.+)'
+        } else {
+          $line | parse --regex '(?P<name>.+) = "(?P<version>.+)"'
+        }
+      }
+    | flatten
+}
+
 alias main = setup bend