Date: Thu, 11 May 2023 09:19:15 -0400 From: Mark Johnston <markj@freebsd.org> To: Kyle Evans <kevans@freebsd.org> Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: 3cb2f5f369ec - main - lualoader: add support for .lua configuration files Message-ID: <ZFzrU2doEG3DZKrb@nuc> In-Reply-To: <202305110411.34B4BFEE047146@gitrepo.freebsd.org> References: <202305110411.34B4BFEE047146@gitrepo.freebsd.org>
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On Thu, May 11, 2023 at 04:11:15AM +0000, Kyle Evans wrote: > The branch main has been updated by kevans: > > URL: https://cgit.FreeBSD.org/src/commit/?id=3cb2f5f369ecfd6d15aeff2b47e21866551a20de > > commit 3cb2f5f369ecfd6d15aeff2b47e21866551a20de > Author: Kyle Evans <kevans@FreeBSD.org> > AuthorDate: 2023-05-11 04:10:53 +0000 > Commit: Kyle Evans <kevans@FreeBSD.org> > CommitDate: 2023-05-11 04:10:53 +0000 > > lualoader: add support for .lua configuration files > > If a file is specified in loader_conf_files that ends in '.lua', lualoader > will now load and execute that file. These may be used in place of a > traditional loader.conf to use more complicated logic, where some values > may be set based on others or based on the environment that the C bits has > left us with. > > Lua scripts are run in a limited environment. In particular, it does not get > access to any modules or, in-fact, anything except environment variable. > > A config.buildenv hook has been added so that a local module can add > whatever it may need to to the environment. > > When a global var is set in the lua script, it does not immediately alter > the loader environment. Instead, the script's environment is initially > empty and processed only if the whole script executes successfully. > Effectively, a lua configuration file either takes effect or it does not, > an error will not leave it in a half-baked state. > > Reviewed by: bcr (manpages), imp > Differential Revision: https://reviews.freebsd.org/D28450 Should this be in RELNOTES? It seems like a very useful feature.
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