50 lines
1.3 KiB
Markdown
50 lines
1.3 KiB
Markdown
---
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id: "63"
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title: "fn run <bash_function> no propaga stdout/stderr al usuario"
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status: pendiente
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type: feature
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domain:
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- dev-ux
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scope: multi-app
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priority: media
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depends: []
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blocks: []
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related: []
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created: 2026-05-10
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updated: 2026-05-17
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tags: []
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---
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## Sintoma
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```bash
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./fn run gradle_unit_test apps/counter_kt
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```
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Salida:
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```
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[fn run] gradle_unit_test_bash_infra (bash/function) apps/counter_kt
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```
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Y nada mas. El subprocess parece correr (gradle se invoca, build sucede), pero stdout y stderr del subproceso no llegan a la terminal del caller.
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## Reproducir
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Comparar:
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```bash
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./fn run gradle_unit_test apps/counter_kt # mudo
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bash bash/functions/infra/gradle_unit_test.sh apps/counter_kt # imprime build log normal
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```
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## Hipotesis
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`cmd/fn` dispatcher para bash usa `exec.Command(...).Run()` u `Output()` y descarta stdout/stderr en lugar de conectarlos al terminal del caller. O captura todo y lo imprime al final pero solo si exit 0.
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## Fix propuesto
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En el dispatcher de bash (`cmd/fn/run.go` o similar), conectar `cmd.Stdout = os.Stdout` y `cmd.Stderr = os.Stderr` para streaming en tiempo real. Ya se hace para Go/Python segun otros flujos del registry.
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## Validacion
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`./fn run gradle_unit_test apps/counter_kt` debe imprimir mismo output que `bash bash/functions/infra/gradle_unit_test.sh apps/counter_kt`.
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