Add Moli skills and release installers

.github/workflows/release.yml

@@ -95,10 +95,14 @@ jobs:
           apt-get update
           apt-get install --yes --no-install-recommends binutils python3
 
+      - name: Validate shell installer
+        shell: bash
+        run: sh -n scripts/install.sh
+
       - name: Build and package
         shell: bash
         run: >-
-          scripts/release.sh
+          python3 scripts/release.py
           --version "${{ needs.validate.outputs.version }}"
           --expected-target x86_64-unknown-linux-gnu
 
@@ -147,7 +151,7 @@ jobs:
       - name: Build and package
         shell: bash
         run: >-
-          scripts/release.sh
+          python3 scripts/release.py
           --version "${{ needs.validate.outputs.version }}"
           --expected-target "${{ matrix.target }}"
 
@@ -180,6 +184,21 @@ jobs:
           rustup toolchain install $toolchain --profile minimal --no-self-update
           rustc --version
 
+      - name: Validate PowerShell installer
+        shell: pwsh
+        run: |
+          $tokens = $null
+          $parseErrors = $null
+          [System.Management.Automation.Language.Parser]::ParseFile(
+            (Resolve-Path scripts/install.ps1),
+            [ref] $tokens,
+            [ref] $parseErrors
+          ) | Out-Null
+          if ($parseErrors.Count -ne 0) {
+            $parseErrors | ForEach-Object { Write-Error $_ }
+            exit 1
+          }
+
       - name: Build and package
         shell: pwsh
         run: >-
@@ -209,6 +228,11 @@ jobs:
     permissions:
       contents: write
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
       - name: Download packaged artifacts
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
@@ -216,26 +240,33 @@ jobs:
           path: dist
           merge-multiple: true
 
+      - name: Add stable installers
+        shell: bash
+        run: |
+          install -m 0755 scripts/install.sh dist/moli-installer.sh
+          install -m 0644 scripts/install.ps1 dist/moli-installer.ps1
+
       - name: Verify release assets
         shell: bash
-        env:
-          RELEASE_VERSION: ${{ needs.validate.outputs.version }}
         run: |
           set -euo pipefail
 
           expected_archives=(
-            "moli-v${RELEASE_VERSION}-x86_64-unknown-linux-gnu.tar.gz"
-            "moli-v${RELEASE_VERSION}-x86_64-apple-darwin.tar.gz"
-            "moli-v${RELEASE_VERSION}-aarch64-apple-darwin.tar.gz"
-            "moli-v${RELEASE_VERSION}-x86_64-pc-windows-msvc.zip"
+            "moli-x86_64-unknown-linux-gnu.tar.gz"
+            "moli-x86_64-apple-darwin.tar.gz"
+            "moli-aarch64-apple-darwin.tar.gz"
+            "moli-x86_64-pc-windows-msvc.zip"
           )
           for archive in "${expected_archives[@]}"; do
             test -f "dist/$archive"
           done
+          test -f dist/moli-installer.sh
+          test -f dist/moli-installer.ps1
+          sh -n dist/moli-installer.sh
 
           artifact_count=$(find dist -maxdepth 1 -type f | wc -l)
-          if [[ "$artifact_count" -ne 4 ]]; then
-            echo "Expected 4 release assets, found $artifact_count." >&2
+          if [[ "$artifact_count" -ne 6 ]]; then
+            echo "Expected 6 release assets, found $artifact_count." >&2
             find dist -maxdepth 1 -type f -print >&2
             exit 1
           fi
@@ -245,18 +276,12 @@ jobs:
         env:
           GH_TOKEN: ${{ github.token }}
           RELEASE_TAG: ${{ needs.validate.outputs.tag }}
-          RELEASE_VERSION: ${{ needs.validate.outputs.version }}
           RELEASE_DRAFT: ${{ inputs.draft }}
           RELEASE_PRERELEASE: ${{ inputs.prerelease }}
         run: |
           set -euo pipefail
 
-          assets=(
-            "dist/moli-v${RELEASE_VERSION}-x86_64-unknown-linux-gnu.tar.gz"
-            "dist/moli-v${RELEASE_VERSION}-x86_64-apple-darwin.tar.gz"
-            "dist/moli-v${RELEASE_VERSION}-aarch64-apple-darwin.tar.gz"
-            "dist/moli-v${RELEASE_VERSION}-x86_64-pc-windows-msvc.zip"
-          )
+          assets=(dist/*)
           args=(
             release create "$RELEASE_TAG"
             "${assets[@]}"
@@ -267,6 +292,8 @@ jobs:
           )
           if [[ "$RELEASE_PRERELEASE" == true ]]; then
             args+=(--prerelease)
+          elif [[ "$RELEASE_DRAFT" != true ]]; then
+            args+=(--latest)
           fi
           if [[ "$RELEASE_DRAFT" == true ]]; then
             args+=(--draft)