Auto publish to crates.io

.github/workflows/release.yml

@@ -54,7 +54,16 @@ jobs:
       - name: Verify the workspace builds before releasing
         run: cargo build --release --workspace --all-targets --exclude timsrust-sdk
 
-      - name: Bump shared version, commit, tag and push
+      - name: Bump shared version, publish to crates.io, commit, tag and push
+        env:
+          # Token used by `cargo publish`; create it on crates.io and store it as
+          # a repository Actions secret (Settings > Secrets and variables > Actions).
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
         run: |
-          cargo release patch --workspace --no-publish --no-confirm
-          cargo release patch --workspace --no-publish --no-confirm --execute
+          if [ -z "${CARGO_REGISTRY_TOKEN}" ]; then
+            echo "Missing CARGO_REGISTRY_TOKEN secret; required to publish to crates.io." >&2
+            exit 1
+          fi
+          # Dry-run first to surface problems before anything is published or pushed.
+          cargo release patch --workspace --no-confirm
+          cargo release patch --workspace --no-confirm --execute

crates/timsrust-sdk/Cargo.toml

@@ -6,6 +6,14 @@ build = "build.rs"
 description = "Bruker TimsData SDK bindings for native timsTOF data access"
 license = "Apache-2.0"
 
+[package.metadata.release]
+# The proprietary Bruker native SDK is not available on the CI runners, so this
+# crate cannot be built there. Publish the source without a verification build
+# (`cargo publish --no-verify`). Consumers link the real library themselves via
+# the crate's `lib/` directory or the TIMSDATA_LIB_DIR env var; build.rs
+# tolerates a missing library so docs.rs and plain `cargo build` still succeed.
+verify = false
+
 [dependencies]
 timsrust-core = { workspace = true, features = ["io"] }
 serde = { workspace = true, features = ["derive"] }

crates/timsrust-sdk/build.rs

@@ -53,18 +53,34 @@ fn main() {
 
     // Source file you want to copy
     let source = lib_path.join(&runtime_lib_name);
-    // Destination in the target folder
-    let destination = target_dir.join(&runtime_lib_name);
-    // Create directory if missing
-    fs::create_dir_all(&target_dir).unwrap();
-    // Copy the file
-    fs::copy(&source, &destination).unwrap_or_else(|e| {
-        panic!("Failed to copy {:?} to {:?}: {}", source, destination, e)
-    });
 
-    // Logging
-    println!("cargo:warning=Target dir: {}", target_dir.display());
-    println!("cargo:warning=Source dir: {}", source.display());
+    // The runtime library is gitignored and absent when the crate is built
+    // without the proprietary Bruker SDK (e.g. `cargo publish --no-verify`,
+    // docs.rs, or a plain `cargo build` by a downstream user). Skip the copy
+    // instead of failing; real usage requires the library to be present in
+    // `lib/` or pointed at by TIMSDATA_LIB_DIR.
+    if source.exists() {
+        // Destination in the target folder
+        let destination = target_dir.join(&runtime_lib_name);
+        // Create directory if missing
+        fs::create_dir_all(&target_dir).unwrap();
+        // Copy the file
+        fs::copy(&source, &destination).unwrap_or_else(|e| {
+            panic!("Failed to copy {:?} to {:?}: {}", source, destination, e)
+        });
+
+        // Logging
+        println!("cargo:warning=Target dir: {}", target_dir.display());
+        println!("cargo:warning=Source dir: {}", source.display());
+    } else {
+        println!(
+            "cargo:warning=timsrust-sdk: {} not found in {}; skipping runtime library copy. \
+             Set TIMSDATA_LIB_DIR to the directory containing the Bruker timsdata library to link against it.",
+            runtime_lib_name,
+            lib_path.display()
+        );
+    }
+
     // Re-run this script if the file changes
     println!("cargo:rerun-if-changed={}", source.display());
     println!("cargo:rerun-if-env-changed=TIMSDATA_LIB_DIR");