[code-reflection] Integrated: Add env.bash error tracking and update build scripts and docs

[Gary Frost]

On Wed, 23 Oct 2024 12:37:11 GMT, Gary Frost <gfrost at openjdk.org> wrote:

> Added some error checking to `env.bash`
> 
> Specifically ensure `env.bash` is sourced `. ./env.bash` rather than executed by the shell.
> 
> Allow for `hat` dir to be seperated from `babylon jdk`
> 
> `env.bash` now also builds minimal `bldr/bldr.jar`

This pull request has now been integrated.

Changeset: 6d70f2cc
Author:    Gary Frost <gfrost at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/6d70f2cc564df3a54e6a1b27e4a2780be93b00f6
Stats:     492 lines in 10 files changed: 81 ins; 382 del; 29 mod

Add env.bash error tracking and update build scripts and docs

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PR: https://git.openjdk.org/babylon/pull/261