Re: [OE-core] [PATCH 11/20] devtool: ide-sdk: add Cargo build task

["adrian.freihofer@gmail.com" <adrian.freihofer@gmail.com>]

On Mon, 2026-10-26 at 09:55 +0100, Enguerrand de Ribaucourt via
lists.openembedded.org wrote:
> Generate a Cargo build task that uses the exported recipe config and
> build
> flags. Run it in the recipe source tree with only the SDK PATH so
> Cargo
> uses the cross environment captured for the recipe.
> 
> AI-Generated: Uses GitHub Copilot
> Signed-off-by: Enguerrand de Ribaucourt
> <enguerrand.de-ribaucourt@savoirfairelinux.com>
> ---
>  meta/lib/oeqa/selftest/cases/devtool.py     | 37
> +++++++++++++++++++++++++++++
>  scripts/lib/devtool/ide_plugins/ide_code.py | 25 +++++++++++++++++++
>  2 files changed, 62 insertions(+)
> 
> diff --git a/meta/lib/oeqa/selftest/cases/devtool.py
> b/meta/lib/oeqa/selftest/cases/devtool.py
> index 990a3060aa..bd0bfb06ec 100644
> --- a/meta/lib/oeqa/selftest/cases/devtool.py
> +++ b/meta/lib/oeqa/selftest/cases/devtool.py
> @@ -4390,6 +4390,43 @@ class
> DevtoolIdeSdkRustTests(DevtoolIdeSdkTests):
>          self.assertIn('rust-lang.rust-analyzer',
> extensions['recommendations'])
>          self.assertIn('ms-vscode.cpptools',
> extensions['recommendations'])
>  
> +    def test_code_cargo_build_task(self):
> +        recipe_name = "cargo-example"
> +        self._check_workspace()
> +        self._write_bb_config()
> +        tempdir = self._devtool_ide_sdk_recipe(recipe_name,
> "Cargo.toml", None)
> +        runCmd('devtool ide-sdk %s oe-selftest-image --ide=code '
> +               '--target root@localhost --no-host-check' %
> recipe_name,
> +               output_log=self._cmd_logger)
> +
> +        with open(os.path.join(tempdir, '.vscode', 'tasks.json')) as
> tasks_file:
> +            tasks = json.load(tasks_file)['tasks']
> +        build_task = next(task for task in tasks
> +                          if task['label'].startswith('cargo build
> '))
> +        cargo_config = os.path.join(
> +            self.workspacedir, 'ide-sdk', recipe_name, 'cargo-
> config.toml')
> +        self.assertEqual(build_task['command'], get_bb_var('CARGO',
> recipe_name))
> +        self.assertEqual(
> +            build_task['args'][:3], ['--config', cargo_config,
> 'build'])
> +        self.assertIn('--features', build_task['args'])
> +        self.assertIn('ide-sdk-selftest', build_task['args'])
> +        self.assertEqual(set(build_task['options']['env']),
> {'PATH'})
> +
> +        build_env = os.environ.copy()
> +        build_env.update(build_task['options']['env'])
> +        result = subprocess.run(
> +            [build_task['command']] + build_task['args'],
> +            cwd=build_task['options']['cwd'], env=build_env,
> +            stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
> +            universal_newlines=True)
> +        self.assertEqual(result.returncode, 0, result.stdout)
> +
> +        install_task = next(
> +            task for task in tasks
> +            if task['label'].startswith('install && deploy-target
> '))
> +        self.assertEqual(install_task['dependsOn'],
> [build_task['label']])
> +
> +
>  class DevtoolIdeSdkKernelTests(DevtoolIdeSdkTests):
>  
>      @OETestTag("runqemu")
> diff --git a/scripts/lib/devtool/ide_plugins/ide_code.py
> b/scripts/lib/devtool/ide_plugins/ide_code.py
> index 80314bfb89..089016c639 100644
> --- a/scripts/lib/devtool/ide_plugins/ide_code.py
> +++ b/scripts/lib/devtool/ide_plugins/ide_code.py
> @@ -8,6 +8,7 @@
>  import json
>  import logging
>  import os
> +import shlex
>  import shutil
>  import shlex

Duplicate.

>  from devtool.ide_plugins import BuildTool, IdeBase, GdbCrossConfig,
> DebuggerServerModes, LldbServerConfig, get_devtool_deploy_opts,
> resolve_deploy_target
> @@ -852,6 +853,28 @@ class IdeVSCode(IdeBase):
>          IdeBase.update_json_file(
>              self.dot_code_dir(modified_recipe), tasks_file,
> tasks_dict)
>  
> +    def vscode_tasks_cargo(self, args, image_recipe,
> modified_recipe):
> +        build_task_name = "cargo build %s" %
> modified_recipe.recipe_id_pretty
> +        cargo_config = modified_recipe.cargo_config_path
> +        build_task = {
> +            "label": build_task_name,
> +            "type": "shell",
> +            "command": modified_recipe.cargo,
> +            "args": ["--config", cargo_config, "build"] +
> +                     shlex.split(modified_recipe.cargo_build_flags)
> +
> +                    
> shlex.split(modified_recipe.cargo_packageconfig_confargs),
> +            "options": {
> +                "cwd": modified_recipe.real_srctree,
> +                "env": {"PATH": modified_recipe.path},
> +            },
> +            "group": {
> +                "kind": "build",
> +                "isDefault": True
> +            },
> +            "problemMatcher": []

Problem matcher. The build task has "problemMatcher": [], so compiler
errors never reach the Problems panel. Should this be "$rustc" ?

Regards,
Adrian


> +        }
> +        self.vscode_tasks_binary(args, image_recipe,
> modified_recipe, build_task)
> +
>      def vscode_tasks_fallback(self, args, image_recipe,
> modified_recipe):
>          oe_init_dir = modified_recipe.oe_init_dir
>          oe_init = ". %s %s > /dev/null && " %
> (modified_recipe.oe_init_build_env, modified_recipe.topdir)
> @@ -990,6 +1013,8 @@ class IdeVSCode(IdeBase):
>              self.vscode_tasks_binary(args, image_recipe,
> modified_recipe)
>          elif modified_recipe.build_tool == BuildTool.KERNEL_MODULE:
>              self.vscode_tasks_kernel_module(args, image_recipe,
> modified_recipe)
> +        elif modified_recipe.build_tool == BuildTool.CARGO:
> +            self.vscode_tasks_cargo(args, image_recipe,
> modified_recipe)
>          else:
>              self.vscode_tasks_fallback(args, image_recipe,
> modified_recipe)
>  
> 
> 
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