docs: heph run fails when the selector matches nothing - #88
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heph/hephbuild#351 changed `heph run` to exit non-zero when its selector (label, package matcher, or -e expression) matches no targets, instead of silently building nothing and exiting 0. `heph query` is unaffected — an empty result there is still valid. Document the new behavior in the CI guide (where a silently-passing empty run is most dangerous) and next to the -e/--expr reference.
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Summary
heph runnow exits non-zero when its selector (a label, a package matcher, or a-equery expression) matches no targets, instead of silently building nothing and exiting 0.heph queryis unaffected — an empty result there is still a legitimate answer.-e/--exprreference in the Query plugin page.Triggered by hephbuild/heph@e420870 (hephbuild/heph#351).
Test plan
master(src/commands/errors.rs,src/commands/run.rs) rather than assumed behavior🤖 Generated with Claude Code
https://claude.ai/code/session_01WEQPaLasqQ2nc2KGyGmEmg
Generated by Claude Code