# zit 0.9.1

zit 0.9.1 fixes two `log` defects that 0.9.0 shipped with, makes a failed
clone clean up after itself, and documents one exit code.

This release is from trunk. Stores, caches and the wire are unchanged from
0.9.0.

## `log -F json` after a purge

In 0.9.0, `log CHECKIN PATH -F json` exited 1 with "repository is corrupt"
when one of PATH's versions had been removed with `purge artifacts`, while
the text form worked. Now such a version is listed with `"size": null` and
a `"content"` field naming why it is absent: `purged`, `shunned` or
`elided` (outside a cone or horizon). The command exits 0. Content missing
for no recorded reason still fails, as damage. Other rows are unchanged and
`schema_version` stays 1.

## `log` for a path that never existed

0.9.0's rename following made `log PATH` for a name no check-in ever held
read every check-in's file list in the history, looking for where a renamed
file might have lived. On a large store that took minutes. `log` now
answers from the file index when no check-in changed the name and no rename
leads onto it, as 0.8.1 did.

## A failed clone cleans up

A clone that fails before its store is written, for example because the
peer is unreachable, now removes what it made: the directory, when the
clone created it, or else only the `.zit` and `.zit-` entries it added. A
clone that fails after its store is written keeps it, as before. When the
directory could not be read beforehand, nothing is removed.

## Exit codes

`zit help exit-codes` lists `commit`'s exit 3: with `--stdin`, the bytes
were unchanged, and the parent is printed.

## Qualification

The release manifest records native qualification against the exact tagged
source archive on macOS ARM64, Linux x86-64 and Linux ARM64, using the pinned
Zig 0.17.0 toolchain. Publication is gated on unit and end-to-end tests, Git
differentials, deterministic simulation, seeded fuzzing, and Fossil
interoperability checks on every distributed target.

For the basis of the conformance claim, see
[the 0.1.0 release notes](RELEASE-NOTES-0.1.0.md).