[LOOK-1] Release 0.1

Close #1

HISTORY.md

@@ -1,9 +1,12 @@
 # look-data-hsqldb release history and change log
 
 For a full list of releases, see
-<a href="https://github.com/hydromatic/look-data-hsqldb/releases">github</a>.
+<a href="https://github.com/hydromatic/look-data-hsqldb/releases">GitHub</a>.
 
-## <a href="https://github.com/hydromatic/look-data-hsqldb/releases/tag/look-data-hsqldb-0.1">0.1</a> / xxxx-xx-xx
+## <a href="https://github.com/hydromatic/look-data-hsqldb/releases/tag/look-data-hsqldb-0.1">0.1</a> / 2024-08-20
 
-* Create, based upon 'The Look' database and [chinook-data-hsqldb](github.com/julianhyde/chinook-data-hsqldb)
+* [[LOOK-2](https://github.com/hydromatic/look-data-hsqldb/issues/2)]
+  Release 0.1
+* [[LOOK-3](https://github.com/hydromatic/look-data-hsqldb/compare/main...julianhyde:0003-initial)]
+  Create, based upon 'The Look' database and [chinook-data-hsqldb](github.com/julianhyde/chinook-data-hsqldb)
 * Add history, howto

HOWTO.md

@@ -5,29 +5,36 @@ Look Data Hsqldb.
 
 # Release
 
-Make sure that `mvn clean install site` runs on JDK 7, 8, 9, 10,
+Make sure that `mvn clean install site` runs on JDK 8, 11, 17 and 21
 on Linux and Windows.
 Also check [Travis CI](https://travis-ci.org/hydromatic/look-data-hsqldb).
 
 Update the [release history](HISTORY.md),
 the version number at the bottom of [README](README.md),
 and the copyright date in [NOTICE](NOTICE).
 
-Using JDK 8, do the following steps:
+Switch to JDK 21.
 
+Set up tty so that gpg can prompt for password:
 ```
-mvn clean
-mvn release:clean
+export GPG_TTY=$(tty)
+```
+
+Check that the sandbox is clean:
+```
+./mvnw clean
+./mvnw release:clean
 git clean -nx
 git clean -fx
-read -s GPG_PASSPHRASE
-mvn -Prelease -Dgpg.passphrase=${GPG_PASSPHRASE} release:prepare
-mvn -Prelease -Dgpg.passphrase=${GPG_PASSPHRASE} release:perform
+```
+
+Prepare and perform:
+```
+./mvnw -Prelease -DreleaseVersion=x.y.0 -DdevelopmentVersion=x.(y+1).0-SNAPSHOT release:prepare
+./mvnw -Prelease 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/look-data-hsqldb/) has been updated.
-
 [Announce the release](https://twitter.com/julianhyde/status/622842100736856064).