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Client spec: require exiting with non-zero code on missing page #4246

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Aug 31, 2020
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7 changes: 5 additions & 2 deletions CLIENT-SPECIFICATION.md
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# tldr-pages client specification

**Current Specification Version:** 1.3
**Current Specification Version:** 1.4

This document contains the official specification for tldr-pages clients. It is _not_ a specification of the format of the pages themselves - only a specification of how a user should be able to interface with an official client. For a list of previous versions of the specification, see the [changelog section](#Changelog) below.

Expand Down Expand Up @@ -164,7 +164,7 @@ If a page cannot be found in _any_ platform, then it is RECOMMENDED that clients
https://github.com/tldr-pages/tldr/issues/new?title=page%20request:%20{command_name}
```

where `{command_name}` is the name of the command that was not found.
where `{command_name}` is the name of the command that was not found. Clients that have control over their exit code on the command line (i.e. clients that provide a CLI) MUST exit with a non-zero exit code in addition to showing the above message.

#### If multiple versions of a page were found

Expand Down Expand Up @@ -221,6 +221,9 @@ Caching SHOULD be done according to the user's language configuration (if any),

## Changelog

- [v1.4, August 13th 2020](https://github.com/tldr-pages/tldr/blob/master/CLIENT-SPECIFICATION.md) (#4246)
- Add requirement for CLI clients to use non-zero exit code on failing to find a page.

- [v1.3, June 11th 2020](https://github.com/tldr-pages/tldr/blob/master/CLIENT-SPECIFICATION.md) (#4101)
- Clarified fallback to English in the language resolution algorithm.
- Update `LANG` and `LANGUAGE` environment variable to conform to the GNU spec.
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