[users at bb.net] Skipping a build based on file patterns

[Pierre Tardy]

There is a callback (fileIsImportant) in schedulers for that.
http://docs.buildbot.net/latest/manual/cfg-schedulers.html?highlight=fileisimportant

For diff between fileIsImportant and changeFilter:

fileIsImportantA callable which takes one argument, a Change instance, and
returns True if the change is worth building, and False if it is not.
Unimportant Changes are accumulated until the build is triggered by an
important change. The default value of None means that all Changes are
important.change_filterThe change filter that will determine which changes
are recognized by this scheduler; Change Filters
<http://docs.buildbot.net/latest/manual/cfg-schedulers.html?highlight=fileisimportant#change-filters>.
Note that this is different from fileIsImportant: if the change filter
filters out a Change, then it is completely ignored by the scheduler. If a
Change is allowed by the change filter, but is deemed unimportant, then it
will not cause builds to start, but will be remembered and shown in status
displays.

On Mon, Sep 24, 2018 at 5:05 PM Chris Spencer <chrisspen at gmail.com> wrote:

> What's the best way to skip a build if the change doesn't include certain
> files?
>
> I'd like Buildbot to only run a build if certain files are changed (e.g.
> *.py, *.js, *.css, *.html, *.sql). I don't want a build to run if only
> documentation or README files have changed.
>
> I think this is what the ChangeFilter (
> http://docs.buildbot.net/0.8.0/Change-Filters.html) is used for but the
> specified fields only seem to let you filter based on folder names, not
> file extensions.
>
> If this isn't practical to do with a ChangeFilter, is there a way to
> design a build step to pass the build while skipping all other steps? I
> have a bash script that uses git/grep/awk to do this check, and return a
> boolean if any key files have changed.
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