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Makefile Debugging, Parallelism & CI/Use strict flags inside one-shell recipe

Fail fast in multi-line recipes.

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Section: Defensive recipes

Use strict flags inside one-shell recipe

makefile
makefile
.ONESHELL:
release:
	set -euo pipefail
	pnpm build
	aws s3 sync dist/ s3://my-bucket
Explanation

Without `.ONESHELL`, shell flags reset on each line.

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