bazelbuild/bazel

Add aquery configuration() function

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#10,872 opened on Feb 28, 2020

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P3help wantednot staleteam-Performancetype: feature request

Description

Description of the problem / feature request:

When using aquery, it would be convenient to limit the output based on the action's configuration.

Feature requests: what underlying problem are you trying to solve with this feature?

For an iOS target, running bazel aquery 'deps(some/target)' will result in many iOS targets, but also some targets that are not iOS. One way to distinguish iOS targets from others is by configuration. Locally, I also see actions for apl-darwin_x86_64-fastbuild and darwin-fastbuild.

It would be convenient if I could write the query as:

bazel query 'configuration(ios-x86_64, deps(some/target))'

Contributor guide

Tech stack
java
Domain
build systemtooling
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Basic understanding of Bazel query languageFamiliarity with aquery output
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
The issue requests a new 'configuration()' function for aquery. Research the existing query functions in Bazel's source code, particularly in the query2 package (e.g., src/main/java/com/google/devtools/build/lib/query2/engine/). Look at how the 'deps' function is implemented to understand the pattern. Also examine the aquery output format to determine how to filter by configuration. Check if there are any related discussions in the comments or linked PRs.