feat: expose a config_setting for copy execution_requirements

[alexeagle]

Alternative to #605

Fixes #604
Fixes #466

---

Type of change

• New feature or functionality (change which adds functionality)

For changes visible to end-users

• Suggested release notes are provided below:

If you rely on Remote Execution and Build-without-the-bytes, you should add to your .bazelrc:

(with Bazel 6.4 or greater)
common --@aspect_bazel_lib//lib:copy_use_local_execution=false

or with Bazel 6.3 or earlier:

build --@aspect_bazel_lib//lib:copy_use_local_execution=false
fetch --@aspect_bazel_lib//lib:copy_use_local_execution=false
query --@aspect_bazel_lib//lib:copy_use_local_execution=false

Test plan

• Manual testing; please provide instructions so we can reproduce:
  Run aquery locally:

$ bazel aquery lib/tests/copy_file/...
action 'Copying file lib/tests/copy_file/file1'
  Mnemonic: CopyFile
  Target: //lib/tests/copy_file:copy_same_file_b
  Configuration: k8-opt
  Execution platform: @local_config_platform//:host
  ActionKey: 51a4a2f509cd84b088d8a06fdd9136b87a9dfc494dbdeb31547395af412881cf
  Inputs: [lib/tests/copy_file/file1]
  Outputs: [bazel-out/k8-opt/bin/lib/tests/copy_file/file1_copy_b]
  Environment: [PATH=/bin:/usr/bin:/usr/local/bin]
  ExecutionInfo: {local: 1, no-cache: 1, no-remote: 1, no-remote-cache: 1, no-remote-exec: 1, no-sandbox: 1}
  Command Line: (exec /bin/bash \
    -c \
    'cp -f "$1" "$2"' \
    '' \
    lib/tests/copy_file/file1 \
    bazel-out/k8-opt/bin/lib/tests/copy_file/file1_copy_b)
# Configuration: c5a436e84a36b625a7552b0800bf8d2dcbfb101629fb9f434c99131217b14a76
# Execution platform: @local_config_platform//:host
  ExecutionInfo: {local: 1, no-cache: 1, no-remote: 1, no-remote-cache: 1, no-remote-exec: 1, no-sandbox: 1}

$ bazel aquery lib/tests/copy_file/... --@aspect_bazel_lib//lib:copy_use_local_execution=false
action 'Copying file lib/tests/copy_file/file1'
  Mnemonic: CopyFile
  Target: //lib/tests/copy_file:copy_same_file_b
  Configuration: k8-opt
  Execution platform: @local_config_platform//:host
  ActionKey: 47db716e92e1dc33fbf00aee500b199acc5c525d3f2a471afa6d2e4717179469
  Inputs: [lib/tests/copy_file/file1]
  Outputs: [bazel-out/k8-opt/bin/lib/tests/copy_file/file1_copy_b]
  Environment: [PATH=/bin:/usr/bin:/usr/local/bin]
  Command Line: (exec /bin/bash \
    -c \
    'cp -f "$1" "$2"' \
    '' \
    lib/tests/copy_file/file1 \
    bazel-out/k8-opt/bin/lib/tests/copy_file/file1_copy_b)
# Configuration: 8c0100f9bf1701776d7be2368f93477816cb926fec2e88b2e55ce87346ce20df
# Execution platform: @local_config_platform//:host

[kormide]

nit: Could you give one more tidbit about why they want the copy action to occur on the remote machine? Is it just to avoid some warnings?

[alexeagle]

how's this?
https://github.com/aspect-build/bazel-lib/blob/0c8d8d847a299c14ad67bee7584502ad00b4080e/docs/copy_file.md#choosing-execution-requirements

[alexeagle]

how's this?
https://github.com/aspect-build/bazel-lib/blob/0c8d8d847a299c14ad67bee7584502ad00b4080e/docs/copy_file.md#choosing-execution-requirements