chore(release): 0.2.0

Signed-off-by: kjuulh <contact@kjuulh.io>

CHANGELOG.md

@@ -6,6 +6,25 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.2.0] - 2025-09-25
+
+### Added
+- truly cancel if revision isn't as expected
+- reset after failure
+- print as well
+- add publish
+- add features for nats and postgres
+- add postgres
+- extract backend
+- do publish
+- allow readme
+
+### Other
+- *(release)* v0.1.3 (#3)
+  chore(release): 0.1.3
+- Configure Renovate (#4)
+  Add renovate.json
+
 ## [0.1.3] - 2025-09-24
 
 ### Added

Cargo.toml

@@ -3,7 +3,7 @@ members = ["crates/*"]
 resolver = "2"
 
 [workspace.package]
-version = "0.1.3"
+version = "0.2.0"
 license = "MIT"
 
 [workspace.dependencies]

crates/noleader/src/backend/postgres.rs

@@ -87,16 +87,20 @@ impl BackendEdge for PostgresBackend {
             FROM noleader_leaders
             WHERE
                   key = $1
+              AND revision = $2
               AND heartbeat >= now() - interval '60 seconds'
             LIMIT 1;
             ",
         )
         .bind(&key.0)
+        .bind(self.revision.load(Ordering::Relaxed) as i64)
         .fetch_optional(&self.db().await?)
         .await
         .context("get noleader key")?;
 
         let Some(val) = rec else {
+            self.revision.store(0, Ordering::Relaxed);
+
             anyhow::bail!("key doesn't exist, we've lost leadership status")
         };
 
@@ -105,6 +109,7 @@ impl BackendEdge for PostgresBackend {
 
         let Ok(id) = uuid::Uuid::parse_str(&val.value) else {
             tracing::warn!("value is not a valid uuid: {}", val.value);
+            self.revision.store(0, Ordering::Relaxed);
             return Ok(LeaderValue::Unknown);
         };