[Buildbot-devel] setting environment variables in build steps

Axel Hecht l10n.moz at googlemail.com
Thu Nov 22 18:07:50 UTC 2007

2007/11/22, Stefan Seefeld <seefeld at sympatico.ca>:
> Trying to set environment variables in build steps I have ran into a
> variety of issues, which I'd like to raise here instead of the tracker,
> in case I'm missing something:
> * I couldn't figure out how to refer to the 'workdir' variable during
> build-step creation. (IIUC, this variable is initialized per builder and
> then propagated to build-steps (slave-side). It doesn't appear to be
> available through 'WithProperties'.)

That works for me on 0.7.6 without a problem. At least for
ShellCommands and their subclasses. I occasionally subclass
LoggingBuildStep directly, for those I need to hack up WithProperties
support for workdir by hand.

> * As a workaround, I tried to use the equivalent of
>   'make check ALF_LIBRARY_PATH=`pwd`'. This works, if I pass the command
> as a string, to shell.Test(). If I pass it as a token-list, `pwd` gets
> passed verbatim, i.e. isn't evaluated during command invocation by the
> shell. I'm not sure what happens. While I'm not sure which of the two
> ways is considered correct, I think everybody agrees that both ways
> (strings, token-lists) should result in the same command issued on the
> slave.

This is http://buildbot.net/trac/ticket/126, and the patch there works for us.


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