How to query which target produces particular file?

[Konstantin]

In Bazel 6 cquery got  --output=files to find which files are produced by particular target. This is great, but I wonder how to answer the opposite question - find the target which produces particular file? Any ideas?

Thank you!

Konstantin

[Tobias Werth]

You can use bazel aquery with the outputs filter for this.

Example:

$ bazel cquery --output=files //src:package-zip_jdk_minimal 2> /dev/null
bazel-out/k8-fastbuild/bin/src/package_jdk_minimal.zip
$ bazel aquery 'outputs(".*k8-fastbuild/bin/src/package_jdk_minimal.zip", deps(//src:bazel))'
INFO: Analyzed target //src:bazel (0 packages loaded, 0 targets configured).
INFO: Found 1 target...
action 'Executing genrule //src:package-zip_jdk_minimal'
  Mnemonic: Genrule
  Target: //src:package-zip_jdk_minimal
  Configuration: k8-fastbuild
  Execution platform: //:default_host_platform
  ActionKey: dada34bdce343bf25d8847c80b0063be22e869709938ab4648169edfc6135db3
  Inputs: [bazel-out/k8-fastbuild/bin/src/embedded_tools_jdk_minimal.zip, bazel-out/k8-fastbuild/bin/src/install_base_key_jdk_minimal, bazel-out/k8-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar, bazel-out/k8-fastbuild/bin/src/main/java/net/starlark/java/eval/libcpu_profiler.so, bazel-out/k8-fastbuild/bin/src/main/tools/build-runfiles, bazel-out/k8-fastbuild/bin/src/main/tools/daemonize, bazel-out/k8-fastbuild/bin/src/main/tools/linux-sandbox, bazel-out/k8-fastbuild/bin/src/main/tools/process-wrapper, bazel-out/k8-fastbuild/bin/src/platforms.zip, bazel-out/k8-fastbuild/bin/tools/osx/xcode-locator, bazel-out/k8-opt-exec-EDC14992/bin/src/package-bazel-on-host-platform.sh, external/bazel_tools/tools/genrule/genrule-setup.sh]
  Outputs: [bazel-out/k8-fastbuild/bin/src/package_jdk_minimal.zip]
  Command Line: (exec /bin/bash \
    -c \
    'source external/bazel_tools/tools/genrule/genrule-setup.sh; bazel-out/k8-opt-exec-EDC14992/bin/src/package-bazel-on-host-platform.sh bazel-out/k8-fastbuild/bin/src/package_jdk_minimal.zip  bazel-out/k8-fastbuild/bin/src/embedded_tools_jdk_minimal.zip bazel-out/k8-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar bazel-out/k8-fastbuild/bin/src/install_base_key_jdk_minimal bazel-out/k8-fastbuild/bin/src/platforms.zip bazel-out/k8-fastbuild/bin/src/main/java/net/starlark/java/eval/libcpu_profiler.so bazel-out/k8-fastbuild/bin/src/main/tools/build-runfiles bazel-out/k8-fastbuild/bin/src/main/tools/process-wrapper bazel-out/k8-fastbuild/bin/src/main/tools/linux-sandbox bazel-out/k8-fastbuild/bin/tools/osx/xcode-locator bazel-out/k8-fastbuild/bin/src/main/tools/daemonize')
# Configuration: 148f986585b9a72c066d5ebb0aefbb9163f15f0fb55c220bb9390742d4a32468
# Execution platform: //:default_host_platform

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[Konstantin]

Oh, I see - "outputs" filter with aquery. Thank you, Tobias! I saw "-output=files" in cquery and for that reason limited my search for the answer to cquery while naturally aquery is more suitable for inputs/outputs discovery.