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docs: Document helm env --output json|yaml on the cheat sheet#2163

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docs: Document helm env --output json|yaml on the cheat sheet#2163
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Adds the new --output/-o flag for helm env (accepting env, json, yaml) to the Helm cheat sheet, alongside the existing single-variable example, so the structured output capability is discoverable in curated prose docs. The auto-generated CLI reference already picks up the flag from cobra help.

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Comment thread docs/intro/CheatSheet.mdx
helm history <release> # Historical revisions for a given release.
helm history <release> --show-rollback-revision # Add a ROLLBACK column showing which revision each rollback targeted
helm env # Env prints out all the environment information in use by Helm.
helm env -o json # Prints the environment information in the specified format. Allowed values: env, json, yaml (default env)

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Added the helm env -o json cheat-sheet line because PR #32282 adds an --output/-o flag to helm env in pkg/cmd/env.go accepting env (default), json, and yaml. The allowed values and default (env) come directly from the flag's envFormats() and envFormatKeyValue default in that diff.

Source: helm/helm#32282

@TerryHowe TerryHowe added awaiting release Feature needs to be merged and released before docs update hold Do not merge yet keep open labels Jul 2, 2026
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