Cherry pick of a few commits to release/v0.6.1

.github/workflows/CargoPublish.yml

@@ -44,44 +44,80 @@ jobs:
           else
             VERSION="${{ github.ref }}"
             VERSION="${VERSION#refs/heads/release/v}"
+            echo "VERSION=$VERSION" >> $GITHUB_ENV
           fi
-          ./dev/verify-version.sh "$VERSION" hyperlight-common hyperlight-guest hyperlight-guest-bin hyperlight-host
+          ./dev/verify-version.sh "$VERSION" hyperlight-common hyperlight-guest hyperlight-guest-bin hyperlight-host hyperlight-component-util hyperlight-component-macro
+
+      - name: Determine which crates need publishing
+        run: |
+          needs_publish() {
+            local crate=$1
+            local crate_env_var=$(echo "$crate" | tr '[:lower:]' '[:upper:]' | tr '-' '_')
+
+            if [ -z "$VERSION" ]; then
+              echo "No version set (dry run?), skipping crates.io existence checks."
+              echo "PUBLISH_${crate_env_var}=true" >> "$GITHUB_ENV"
+              return
+            fi
+
+            if curl -s "https://crates.io/api/v1/crates/$crate/$VERSION" | jq -e .version > /dev/null; then
+              echo "PUBLISH_${crate_env_var}=false" >> "$GITHUB_ENV"
+              echo "✅ $crate@$VERSION already exists."
+            else
+              echo "PUBLISH_${crate_env_var}=true" >> "$GITHUB_ENV"
+              echo "🚀 $crate@$VERSION will be published."
+            fi
+          }
+
+          needs_publish hyperlight-common
+          needs_publish hyperlight-guest
+          needs_publish hyperlight-guest-bin
+          needs_publish hyperlight-component-util
+          needs_publish hyperlight-component-macro
+          needs_publish hyperlight-host
 
       - name: Publish hyperlight-common
         continue-on-error: ${{ inputs.dry_run }}
         run: cargo publish --manifest-path ./src/hyperlight_common/Cargo.toml ${{ inputs.dry_run && '--dry-run' || '' }}
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_PUBLISH_TOKEN }}
+        if: env.PUBLISH_HYPERLIGHT_COMMON != 'false'
 
       - name: Publish hyperlight-guest
         continue-on-error: ${{ inputs.dry_run }}
         run: cargo publish --manifest-path ./src/hyperlight_guest/Cargo.toml ${{ inputs.dry_run && '--dry-run' || '' }}
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_PUBLISH_TOKEN }}
+        if: env.PUBLISH_HYPERLIGHT_GUEST != 'false'
 
       - name: Publish hyperlight-guest-bin
         continue-on-error: ${{ inputs.dry_run }}
         run: cargo publish --manifest-path ./src/hyperlight_guest_bin/Cargo.toml ${{ inputs.dry_run && '--dry-run' || '' }}
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_PUBLISH_TOKEN }}
-
-      - name: Publish hyperlight-host
-        continue-on-error: ${{ inputs.dry_run }}
-        run: cargo publish --manifest-path ./src/hyperlight_host/Cargo.toml ${{ inputs.dry_run && '--dry-run' || '' }}
-        env:
-          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_PUBLISH_TOKEN }}
-
+        if: env.PUBLISH_HYPERLIGHT_GUEST_BIN != 'false'
+
       - name: Publish hyperlight-component-util
         continue-on-error: ${{ inputs.dry_run }}
         run: cargo publish --manifest-path ./src/hyperlight_component_util/Cargo.toml ${{ inputs.dry_run && '--dry-run' || '' }}
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_PUBLISH_TOKEN }}
+        if: env.PUBLISH_HYPERLIGHT_COMPONENT_UTIL != 'false'
 
       - name: Publish hyperlight-component-macro
         continue-on-error: ${{ inputs.dry_run }}
         run: cargo publish --manifest-path ./src/hyperlight_component_macro/Cargo.toml ${{ inputs.dry_run && '--dry-run' || '' }}
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_PUBLISH_TOKEN }}
+        if: env.PUBLISH_HYPERLIGHT_COMPONENT_MACRO != 'false'
+
+      - name: Publish hyperlight-host
+        continue-on-error: ${{ inputs.dry_run }}
+        run: cargo publish --manifest-path ./src/hyperlight_host/Cargo.toml ${{ inputs.dry_run && '--dry-run' || '' }}
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_PUBLISH_TOKEN }}
+        if: env.PUBLISH_HYPERLIGHT_HOST != 'false'
+
 
       # TODO: Do we want to publish hyperlight-guest-capi to crates.io given that it's not for Rust consumption?
       # - name: Publish hyperlight-guest-capi

src/hyperlight_guest/Cargo.toml

@@ -8,7 +8,7 @@ homepage.workspace = true
 repository.workspace = true
 readme.workspace = true
 description = """
-Library to build guest applications for hyperlight.
+Provides only the essential building blocks for interacting with the host environment, including the VM exit mechanism, abstractions for calling host functions and receiving return values, and the input/output stacks used for guest-host communication.
 """
 
 [dependencies]

src/hyperlight_guest_bin/Cargo.toml

@@ -8,6 +8,10 @@ license.workspace = true
 homepage.workspace = true
 repository.workspace = true
 readme.workspace = true
+description = """
+This crate provides the opinionated bits of the guest library, such as the panic handler, the entry point, the guest logger, the exception handling logic, 
+and third-party code used by our C-API needed to build a native hyperlight-guest binary.
+"""
 
 [features]
 default = ["libc", "printf"]