[QUIDEM-94] Release Quidem 0.12

Update copyright year.

Fixes #94

Author: julianhyde

HISTORY.md

@@ -2,6 +2,46 @@
 
 For a full list of releases, see <a href="https://github.com/hydromatic/quidem/releases">github</a>.
 
+## <a href="https://github.com/hydromatic/quidem/releases/tag/quidem-0.12">0.12</a> / 2025-04-28
+
+* [<a href="https://github.com/hydromatic/quidem/issues/80">QUIDEM-80</a>]
+  Query recorder
+* Refactor `ConnectionFactory`
+* Rename `TestUtil` to `TestUtils`
+* [<a href="https://github.com/hydromatic/quidem/issues/95">QUIDEM-95</a>]
+  Enable `google-java-format` plugin, to automatically reformat code to a
+  standard style
+* Prepare for
+  [<a href="https://github.com/hydromatic/quidem/issues/95">QUIDEM-95</a>]
+  by removing some checkstyle rules and adding google-java-format plugin (disabled)
+* [<a href="https://github.com/hydromatic/quidem/issues/93">QUIDEM-93</a>]
+  Allow multi-line strings as arguments to `!set`
+* Lint the source code as part of the test suite
+* Move GitHub repository from `julianhyde` to `hydromatic`
+* Add javadoc badge to README
+* In CI, timeout after 3 minutes, enable JDK 21, disable JDK 8
+* Add Maven Central badge to README
+* Allow CI runs to be triggered manually, and monthly
+
+Upgrades
+
+* Support all JDK versions from 8 to 24
+* Bump maven from 3.5.4 to 3.9.6
+* Bump build-helper-maven-plugin from 3.3.0 to 3.6.0
+* Bump checkerframework from 3.24.0 to 3.49.2
+* Bump checkstyle from 10.4 to 10.23.0
+* Bump guava from 31.1-jre to 33.4.8-jre
+* Bump hamcrest from 2.2 to 3.0
+* Bump hsqldb from 2.7.1 to 2.7.4
+* Bump junit-jupiter from 5.9.1 to 5.12.2
+* Bump maven-checkstyle-plugin from 3.2.0 to 3.6.0
+* Bump maven-compiler-plugin from 3.10.1 to 3.14.0
+* Bump maven-enforcer-plugin from 3.1.0 to 3.5.0
+* Bump maven-gpg-plugin from 3.0.1 to 3.2.7
+* Bump maven-javadoc-plugin from 3.4.1 to 3.11.2
+* Bump maven-site-plugin from 3.12.1 to 3.21.0
+* Bump maven-surefire-plugin from 3.0.0-M7 to 3.5.3
+
 ## <a href="https://github.com/hydromatic/quidem/releases/tag/quidem-0.11">0.11</a> / 2022-11-23
 
 * Remove methods deprecated in

HOWTO.md

@@ -38,19 +38,31 @@ Update the [release history](HISTORY.md),
 the version number at the bottom of [README](README.md),
 and the copyright date in [NOTICE](NOTICE).
 
-```
-./mvnw clean
-./mvnw release:clean
+Switch to JDK 21.
+
+Check that the sandbox is clean:
+
+```bash
 git clean -nx
-git clean -fx
-read -s GPG_PASSPHRASE
-./mvnw -Prelease -Dgpg.passphrase=${GPG_PASSPHRASE} release:prepare
-./mvnw -Prelease -Dgpg.passphrase=${GPG_PASSPHRASE} release:perform
+mvn clean
+```
+
+Prepare:
+
+```bash
+export GPG_TTY=$(tty)
+mvn -Prelease -DreleaseVersion=x.y -DdevelopmentVersion=x.(y+1)-SNAPSHOT release:prepare
+```
+
+Perform:
+
+```bash
+mvn -Prelease -DskipTests release:perform
 ```
 
 Then go to [Sonatype](https://oss.sonatype.org/#stagingRepositories),
 log in, close the repository, and release.
 
 Make sure that the [site](http://www.hydromatic.net/quidem/) has been updated.
 
-[Announce the release](https://twitter.com/hydromatic/status/622842100736856064).
+[Announce the release](https://x.com/julianhyde/status/622842100736856064).

NOTICE

@@ -1,6 +1,6 @@
 Quidem
 Idempotent query executor
-Copyright (C) 2014-2023 Julian Hyde
+Copyright (C) 2014-2025 Julian Hyde
 
 ===============================================================================
 Licensed under the Apache License, Version 2.0 (the "License");

README.md

@@ -475,7 +475,7 @@ Get Quidem from
 <dependency>
   <groupId>net.hydromatic</groupId>
   <artifactId>quidem</artifactId>
-  <version>0.11</version>
+  <version>0.12</version>
 </dependency>
 ```