impl: backend migration example

[arkjedrz]

Example on how migration between backends can be performed.

[github-actions]

License Check Results

🚀 The license check job ran with the Bazel command:

bazel run //:license-check

Status: ⚠️ Needs Review

Click to expand output

[License Check Output]
Extracting Bazel installation...
Starting local Bazel server (8.3.0) and connecting to it...
INFO: Invocation ID: 51183f75-fb4c-4b83-8658-13fa385db70a
Computing main repo mapping: 
Computing main repo mapping: 
DEBUG: Rule 'rules_boost+' indicated that a canonical reproducible form can be obtained by modifying arguments integrity = "sha256-iKHWUIBrUN/fFOCltkTmHfDcKw0h4ZVmP7NVSoc8zBs="
DEBUG: Repository rules_boost+ instantiated at:
  <builtin>: in <toplevel>
Repository rule http_archive defined at:
  /home/runner/.bazel/external/bazel_tools/tools/build_defs/repo/http.bzl:394:31: in <toplevel>
Computing main repo mapping: 
WARNING: For repository 'rules_cc', the root module requires module version [email protected], but got [email protected] in the resolved dependency graph. Please update the version in your MODULE.bazel or set --check_direct_dependencies=off
WARNING: For repository 'googletest', the root module requires module version [email protected], but got [email protected] in the resolved dependency graph. Please update the version in your MODULE.bazel or set --check_direct_dependencies=off
Loading: 
Loading: 2 packages loaded
Loading: 2 packages loaded
    currently loading: 
Analyzing: target //:license-check (3 packages loaded, 0 targets configured)
Analyzing: target //:license-check (3 packages loaded, 0 targets configured)

Analyzing: target //:license-check (75 packages loaded, 9 targets configured)

Analyzing: target //:license-check (132 packages loaded, 1105 targets configured)

Analyzing: target //:license-check (138 packages loaded, 2546 targets configured)

Analyzing: target //:license-check (141 packages loaded, 4553 targets configured)

Analyzing: target //:license-check (141 packages loaded, 4553 targets configured)

DEBUG: Rule 'toolchains_llvm++llvm+llvm_toolchain_llvm' indicated that a canonical reproducible form can be obtained by modifying arguments _action_listener = <unknown object com.google.devtools.build.lib.packages.Attribute$LabelListLateBoundDefault>, _config_dependencies = [], _configure = False, _environ = [], _original_name = "llvm_toolchain_llvm"
DEBUG: Repository toolchains_llvm++llvm+llvm_toolchain_llvm instantiated at:
  <builtin>: in <toplevel>
Repository rule llvm defined at:
  /home/runner/.bazel/external/toolchains_llvm+/toolchain/rules.bzl:27:23: in <toplevel>
Analyzing: target //:license-check (141 packages loaded, 4553 targets configured)

INFO: Analyzed target //:license-check (142 packages loaded, 6488 targets configured).
[7 / 14] [Prepa] Writing repo mapping manifest for //:license.check.license_check
[8 / 14] [Prepa] Executing genrule //:filtered_cargo_lock
INFO: From Generating Dash formatted dependency file ...:
INFO: Successfully converted 65 packages from Cargo.lock to bazel-out/k8-fastbuild/bin/formatted.txt
INFO: Found 1 target...
Target //:license.check.license_check up-to-date:
  bazel-bin/license.check.license_check
  bazel-bin/license.check.license_check.jar
INFO: Elapsed time: 191.101s, Critical Path: 0.24s
INFO: 14 processes: 5 disk cache hit, 9 internal.
INFO: Build completed successfully, 14 total actions
INFO: Running command line: bazel-bin/license.check.license_check ./formatted.txt <args omitted>
usage: org.eclipse.dash.licenses.cli.Main [-batch <int>] [-cd <url>]
       [-confidence <int>] [-ef <url>] [-excludeSources <sources>] [-help] [-lic
       <url>] [-project <shortname>] [-repo <url>] [-review] [-summary <file>]
       [-timeout <seconds>] [-token <token>]

[github-actions]

The created documentation from the pull request is available at: docu-html