Make trace command logging truncation configurable via `PREK_LOG_TRUNCATE_LIMIT` by Copilot · Pull Request #1679 · j178/prek

Copilot · 2026-02-20T10:46:30Z

Trace-level Executing ... lines currently truncate command arguments at a hardcoded 120 characters, which hides critical details when debugging hooks (notably docker_image entrypoint/args). This change introduces a configurable truncate limit while preserving existing default behavior.

Config surface: new env var
- Added PREK_LOG_TRUNCATE_LIMIT to prek-consts (EnvVars).
Runtime behavior in command logging
- Updated Cmd display formatting in crates/prek/src/process.rs to read truncation limit from PREK_LOG_TRUNCATE_LIMIT.
- Cached the resolved truncate limit with LazyLock so env parsing happens once.
- Kept default at 120 when unset/invalid.
- Treated 0 as invalid and fallback to default to avoid degenerate output.
Documentation
- Added PREK_LOG_TRUNCATE_LIMIT to docs/configuration.md under environment variables, including default and intent.
Focused unit coverage
- Added tests for:
  - env var value parsing (valid/invalid/zero),
  - env-based resolution behavior,
  - cached-limit behavior via LazyLock,
  - env restoration guard to avoid cross-test env leakage.

const DEFAULT_COMMAND_LOG_TRUNCATE_LIMIT: usize = 120;
static COMMAND_LOG_TRUNCATE_LIMIT: LazyLock<usize> =
    LazyLock::new(command_log_truncate_limit_from_env);

fn command_log_truncate_limit() -> usize {
    *COMMAND_LOG_TRUNCATE_LIMIT
}

Original prompt

This section details on the original issue you should resolve

<issue_title>Do not truncate trace run executions</issue_title>
<issue_description>### Summary

I was trying to debug a docker_image hook execution and was delighted to note the --log-file option.

However, turns out that the "Executing" TRACE run lines are truncated with [...] before showing the part I'm actually interested in (a case of tweaking entrypoints and arguments).

I'd suggest not truncating these lines in the trace log at all, or providing an option not to truncate.

Willing to submit a PR?

Yes — I’m willing to open a PR to fix this.

Platform

Ubuntu 25.10 amd64

Version

0.3.2

.pre-commit-config.yaml

N/A

Log file
2026-02-20T10:17:47.223740Z TRACE run{hook_id=... language=docker_image}: Executing `cd ... && docker run --rm --tty --user 1000:1000 --init --volume ...:/src:rw,Z --workdir /src --entrypoint ... --network [...]`
```</issue_description>

<agent_instructions>Add a new env var to prek-consts, controlling the command line log truncate limit in process.rs, current it is hardcoded to 120. Document it in docs/configuration.md env vars section.</agent_instructions>

## Comments on the Issue (you are @copilot in this section)

<comments>
</comments>

Fixes Do not truncate trace run executions #1678

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Co-authored-by: j178 <10510431+j178@users.noreply.github.com>

j178 · 2026-02-20T11:10:23Z

@copilot Make the env var name more concise, for example, drop the COMMAND part, try better. Cache the result in a LazyLock.

Co-authored-by: j178 <10510431+j178@users.noreply.github.com>

Copilot · 2026-02-20T11:19:55Z

@copilot Make the env var name more concise, for example, drop the COMMAND part, try better. Cache the result in a LazyLock.

Updated in c1d6713: renamed the env var to PREK_LOG_TRUNCATE_LIMIT and cached the resolved truncate limit with a module-level LazyLock in process.rs. Also updated docs/tests to match.

codecov · 2026-02-20T12:50:21Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.64%. Comparing base (8420c6e) to head (1b99f3c).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1679   +/-   ##
=======================================
  Coverage   91.64%   91.64%           
=======================================
  Files          96       96           
  Lines       18662    18669    +7     
=======================================
+ Hits        17102    17109    +7     
  Misses       1560     1560

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Copilot

Pull request overview

Adds a user-configurable truncation limit for trace-level command logging (Executing ...) via a new environment variable, improving debuggability for long command lines (e.g., container entrypoints/args) while keeping the existing default behavior.

Changes:

Introduces PREK_LOG_TRUNCATE_LIMIT in prek-consts env var definitions.
Updates Cmd display formatting to use an env-configurable truncate threshold (cached via LazyLock).
Documents the new env var in docs/configuration.md.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
docs/configuration.md	Documents `PREK_LOG_TRUNCATE_LIMIT` in the environment variables list.
crates/prek/src/process.rs	Reads and caches truncate limit from `PREK_LOG_TRUNCATE_LIMIT` and applies it when formatting `Executing ...` trace lines.
crates/prek-consts/src/env_vars.rs	Adds the new `PREK_LOG_TRUNCATE_LIMIT` constant to `EnvVars`.

This MR contains the following updates: | Package | Update | Change | |---|---|---| | [prek](https://github.com/j178/prek) | patch | `0.3.1` → `0.3.13` | MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot). **Proposed changes to behavior should be submitted there as MRs.** --- ### Release Notes <details> <summary>j178/prek (prek)</summary> ### [`v0.3.13`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#0313) [Compare Source](j178/prek@v0.3.12...v0.3.13) Released on 2026-05-06. ##### Bug fixes - Respect hook filters for message files ([#2049](j178/prek#2049)) ##### Documentation - Add Godot Engine to users in README ([#2047](j178/prek#2047)) ##### Contributors - [@j178](https://github.com/j178) - [@Calinou](https://github.com/Calinou) ### [`v0.3.12`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#0312) [Compare Source](j178/prek@v0.3.11...v0.3.12) Released on 2026-05-05. ##### Highlights `auto_update.cooldown_days` is now available in both the user-level global config (`~/.config/prek/prek.toml` on Linux and macOS, or `$XDG_CONFIG_HOME/prek/prek.toml` when set; `%APPDATA%\prek\prek.toml` on Windows) and project config. Set a user default for `prek auto-update`, then override it per project when a repository needs a different update cadence. ```toml [auto_update] cooldown_days = 7 ``` ##### Enhancements - Add global auto-update cooldown config ([#2041](j178/prek#2041)) - Add project auto-update cooldown config ([#2044](j178/prek#2044)) - Support `language: dart` ([#1146](j178/prek#1146)) ##### Bug fixes - Pass commit message file to workspace hooks ([#2043](j178/prek#2043)) - Preserve non-UTF8 filenames from git ([#2023](j178/prek#2023)) - ruby: put resolved Ruby's bin dir on `$PATH` for `gem` invocations ([#2021](j178/prek#2021)) ##### Documentation - Update docs with the new logo and icon ([#2025](j178/prek#2025)) - Point schema docs to SchemaStore ([#2039](j178/prek#2039)) ##### Contributors - [@j178](https://github.com/j178) - [@xiaoyanli-lyft](https://github.com/xiaoyanli-lyft) - [@Lutra-Fs](https://github.com/Lutra-Fs) ### [`v0.3.11`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#0311) [Compare Source](j178/prek@v0.3.10...v0.3.11) Released on 2026-04-27. ##### Highlights Hook entries now have an explicit `shell` option for shell snippets. Set `shell: sh`, `bash`, `pwsh`, `powershell`, or `cmd` when an entry should be evaluated by that shell; leaving it unset keeps prek's direct argv execution. `prek auto-update` can now filter tag candidates before choosing an update. Both options take glob patterns: use `--include-tag` to only consider matching tag names, and `--exclude-tag` to skip matching tags such as moving tags or prereleases. ##### Enhancements - Add `auto-update --exclude-repo <repo>` to skip repos ([#1983](j178/prek#1983)) - Add `auto-update --exit-code` to exit with non-zero on updates ([#2002](j178/prek#2002)) - Add `auto-update --include-tag <pattern>`/`--exclude-tag <pattern>` to filter tags ([#1984](j178/prek#1984)) - Adds an explicit `shell` hook option for entries that should run as shell source ([#2004](j178/prek#2004)) - Make `--hook-dir` optional for hook-impl ([#1989](j178/prek#1989)) - Skip shim warning when `--script-version` is missing ([#1990](j178/prek#1990)) ##### Bug fixes - Install Ruby executable in gem bin ([#2017](j178/prek#2017)) - Use dedicated Android npm package ([#1982](j178/prek#1982)) - Use stable repo keys without breaking cached clones ([#1995](j178/prek#1995)) ##### Documentation - Explain prek name ([#1980](j178/prek#1980)) - Clarify `pass_filenames` concurrency docs ([#1999](j178/prek#1999)) - Reorganize documentation references ([#2005](j178/prek#2005)) - Clarify hook author manifest env docs ([#1991](j178/prek#1991)) - docs: add Sentry to users list ([#1981](j178/prek#1981)) ##### Contributors - [@j178](https://github.com/j178) ### [`v0.3.10`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#0310) [Compare Source](j178/prek@v0.3.9...v0.3.10) Released on 2026-04-21. ##### Enhancements - Disallow rev for non-remote repos in schema ([#1964](j178/prek#1964)) - Hide up-to-date output in non-verbose mode ([#1942](j178/prek#1942)) - Improve merge conflict marker detection ([#1937](j178/prek#1937)) - Keep finished hooks visible ([#1967](j178/prek#1967)) - Preserve frozen comment spacing in auto-update ([#1945](j178/prek#1945)) - Reimplement `@j178/prek` npm package ([#1973](j178/prek#1973)) ##### Bug fixes - Prefer stable Rust toolchains ([#1974](j178/prek#1974)) ##### Documentation - Add `SKILL.md` for prek ([#1950](j178/prek#1950)) - Document `gh skill install j178/prek prek` to install prek skill for agents ([#1951](j178/prek#1951)) - Improve compatibility and migration docs ([#1940](j178/prek#1940)) ##### Other changes - Sync latest identify tags ([#1947](j178/prek#1947)) ##### Contributors - [@github-actions](https://github.com/github-actions) - [@renovate](https://github.com/renovate) - [@j178](https://github.com/j178) ### [`v0.3.9`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#039) [Compare Source](j178/prek@v0.3.8...v0.3.9) Released on 2026-04-13. ##### Highlight `prek auto-update` is now stricter about pinned revisions and more useful in CI. It now keeps `rev` and `# frozen:` comments in sync, can detect [impostor commits](https://docs.zizmor.sh/audits/#impostor-commit) when validating pinned SHAs, and lets you use `prek auto-update --check` to fail on both available updates and frozen-ref mismatches without rewriting the config. Examples: ```console $ prek auto-update # updates revs and repairs stale `# frozen:` comments $ prek auto-update --freeze # writes frozen SHAs with matching `# frozen: <tag>` comments $ prek auto-update --check # exits non-zero when updates are available, a `# frozen:` comment is stale, # or a pinned SHA does not belong to the fetched upstream refs ``` ##### Enhancements - Check and sync frozen comments during auto-update ([#1896](j178/prek#1896)) - Handle impostor commits in auto-update ([#1919](j178/prek#1919)) - Add experimental `language: dotnet` support ([#1871](j178/prek#1871)) - Honor repo and worktree `core.hooksPath` ([#1892](j178/prek#1892)) - Add `prek run --no-fail-fast` to override config file ([#1859](j178/prek#1859)) - Add `forbid-new-submodules` as builtin hook ([#1853](j178/prek#1853)) - Clean stale patch files in `cache gc` ([#1877](j178/prek#1877)) - Display auto-update results by config entry ([#1922](j178/prek#1922)) - Restrict patch directory permissions ([#1876](j178/prek#1876)) - Show tag names in `auto-update --freeze` output ([#1916](j178/prek#1916)) - Use a bitset for hook stages ([#1860](j178/prek#1860)) ##### Bug fixes - Canonicalize CWD and GIT\_ROOT paths ([#1878](j178/prek#1878)) - Ensure quotes are added for non-string revisions in `auto-update` ([#1936](j178/prek#1936)) ##### Documentation - Update docs for case of hooks modifying files with a non-zero exit code ([#1879](j178/prek#1879)) ##### Contributors - [@RicardoVercetti](https://github.com/RicardoVercetti) - [@nathanjmcdougall](https://github.com/nathanjmcdougall) - [@renovate](https://github.com/renovate) - [@sadjow](https://github.com/sadjow) - [@j178](https://github.com/j178) ### [`v0.3.8`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#038) [Compare Source](j178/prek@v0.3.6...v0.3.8) Released on 2026-03-23. ##### Enhancements - Add experimental `language: deno` support ([#1516](j178/prek#1516)) - Add `pretty-format-json` as builtin hook ([#915](j178/prek#915)) - Add `check-vcs-permalinks` as builtin hook ([#1842](j178/prek#1842)) - Add `check-illegal-windows-names` as builtin hook ([#1841](j178/prek#1841)) - Add `check-shebang-scripts-are-executable` builtin hook ([#1847](j178/prek#1847)) - Add `destroyed-symlinks` builtin hook ([#1851](j178/prek#1851)) - Add `file-contents-sorter` as builtin hook ([#1846](j178/prek#1846)) - Add `--all` flag to `prek uninstall` ([#1817](j178/prek#1817)) - Improve file pattern parse errors ([#1829](j178/prek#1829)) - Validate `uv` binary after download ([#1825](j178/prek#1825)) ##### Bug fixes - Fix workspace-relative added file paths ([#1852](j178/prek#1852)) - Relax alias-anchor ratio check for check-yaml ([#1839](j178/prek#1839)) ##### Contributors - [@j178](https://github.com/j178) - [@shaanmajid](https://github.com/shaanmajid) - [@mvanhorn](https://github.com/mvanhorn) - [@feliblo](https://github.com/feliblo) - [@Tiryoh](https://github.com/Tiryoh) ### [`v0.3.6`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#036) [Compare Source](j178/prek@v0.3.5...v0.3.6) Released on 2026-03-16. ##### Enhancements - Allow selectors for hook ids containing colons ([#1782](j178/prek#1782)) - Rename `prek install-hooks` to `prek prepare-hooks` and `prek install --install-hooks` to `prek install --prepare-hooks` ([#1766](j178/prek#1766)) - Retry auth-failed repo clones with terminal prompts enabled ([#1761](j178/prek#1761)) ##### Performance - Optimize `detect_private_key` by chunked reading and using aho-corasick ([#1791](j178/prek#1791)) - Optimize `fix_byte_order_marker` by shifting file contents in place ([#1790](j178/prek#1790)) ##### Bug fixes - Align stage defaulting behavior with pre-commit ([#1788](j178/prek#1788)) - Make sure child output is drained in the PTY subprocess ([#1768](j178/prek#1768)) - fix(golang): use `GOTOOLCHAIN=local` when probing system go ([#1797](j178/prek#1797)) ##### Documentation - Disambiguate “hook” terminology by renaming "Git hooks" to "Git shims" ([#1776](j178/prek#1776)) - Document compatibility with pre-commit ([#1767](j178/prek#1767)) - Update configuration.md with TOML 1.1 notes ([#1764](j178/prek#1764)) ##### Other changes - Sync latest identify tags ([#1798](j178/prek#1798)) ##### Contributors - [@github-actions](https://github.com/github-actions) - [@j178](https://github.com/j178) - [@pcastellazzi](https://github.com/pcastellazzi) - [@deadnews](https://github.com/deadnews) - [@copilot-swe-agent](https://github.com/copilot-swe-agent) ### [`v0.3.5`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#035) [Compare Source](j178/prek@v0.3.4...v0.3.5) Released on 2026-03-09. ##### Enhancements - Add automatic Ruby download support using rv binaries ([#1668](j178/prek#1668)) - Adjust open file limit on process startup ([#1705](j178/prek#1705)) - Allow parallel gem retry ([#1732](j178/prek#1732)) - Enable system-proxy feature on reqwest ([#1738](j178/prek#1738)) - Expose `--git-dir` to force hook installation target ([#1723](j178/prek#1723)) - Pass `--quiet`, `--verbose`, and `--no-progress` through `prek install` into generated hook scripts ([#1753](j178/prek#1753)) - Respect `core.sharedRepository` for hook permissions ([#1755](j178/prek#1755)) - Support legacy mode hook script ([#1706](j178/prek#1706)) - rust: support `cli:` git dependency 4th segment package disambiguation ([#1747](j178/prek#1747)) ##### Bug fixes - Fix Python `__main__.py` entry ([#1741](j178/prek#1741)) - python: strip `UV_SYSTEM_PYTHON` from `uv venv` and `pip install` commands ([#1756](j178/prek#1756)) ##### Other changes - Sync latest identify tags ([#1733](j178/prek#1733)) ##### Contributors - [@Dev-iL](https://github.com/Dev-iL) - [@tennox](https://github.com/tennox) - [@shaanmajid](https://github.com/shaanmajid) - [@is-alnilam](https://github.com/is-alnilam) - [@github-actions](https://github.com/github-actions) - [@j178](https://github.com/j178) ### [`v0.3.4`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#034) [Compare Source](j178/prek@v0.3.3...v0.3.4) Released on 2026-02-28. ##### Enhancements - Allow `pass_filenames` to accept a positive integer ([#1698](j178/prek#1698)) - Install and compile gems in parallel ([#1674](j178/prek#1674)) - Sync identify file-type mappings with pre-commit identify ([#1660](j178/prek#1660)) - Use `--locked` for Rust `cargo install` commands ([#1661](j178/prek#1661)) - Add `PREK_MAX_CONCURRENCY` environment variable for configuring maximum concurrency ([#1697](j178/prek#1697)) - Add `PREK_LOG_TRUNCATE_LIMIT` environment variable for configuring log truncation ([#1679](j178/prek#1679)) - Add support for `python -m prek` ([#1686](j178/prek#1686)) ##### Bug fixes - Skip invalid Rust toolchains instead of failing ([#1699](j178/prek#1699)) ##### Performance - Bitset-based TagSet refactor: precompute tag masks and speed up hook type filtering ([#1665](j178/prek#1665)) ##### Documentation - Document `winget install j178.Prek` ([#1670](j178/prek#1670)) ##### Contributors - [@uplsh580](https://github.com/uplsh580) - [@Svecco](https://github.com/Svecco) - [@dbast](https://github.com/dbast) - [@drichardson](https://github.com/drichardson) - [@JP-Ellis](https://github.com/JP-Ellis) - [@j178](https://github.com/j178) - [@is-alnilam](https://github.com/is-alnilam) - [@copilot-swe-agent](https://github.com/copilot-swe-agent) ### [`v0.3.3`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#033) [Compare Source](j178/prek@v0.3.2...v0.3.3) Released on 2026-02-15. ##### Enhancements - Read Python version specifier from hook repo `pyproject.toml` ([#1596](j178/prek#1596)) - Add `#:schema` directives to generated prek.toml ([#1597](j178/prek#1597)) - Add `prek util list-builtins` command ([#1600](j178/prek#1600)) - Expand install source detection to `mise`, `uv tool`, `pipx`, and `asdf` ([#1605](j178/prek#1605), [#1607](j178/prek#1607)) - Add progress bar to `cache clean` and show removal summary ([#1616](j178/prek#1616)) - Make `yaml-to-toml` CONFIG argument optional ([#1593](j178/prek#1593)) - `prek uninstall` removes legacy scripts too ([#1622](j178/prek#1622)) ##### Bug fixes - Fix underflow when formatting summary output ([#1626](j178/prek#1626)) - Match `files/exclude` filter against relative path of nested project ([#1624](j178/prek#1624)) - Select `musllinux` wheel tag for uv on musl-based distros ([#1628](j178/prek#1628)) ##### Documentation - Clarify `prek list` description ([#1604](j178/prek#1604)) ##### Contributors - [@ichoosetoaccept](https://github.com/ichoosetoaccept) - [@shaanmajid](https://github.com/shaanmajid) - [@soraxas](https://github.com/soraxas) - [@9999years](https://github.com/9999years) - [@j178](https://github.com/j178) ### [`v0.3.2`](https://github.com/j178/prek/blob/HEAD/CHANGELOG.md#032) [Compare Source](j178/prek@v0.3.1...v0.3.2) Released on 2026-02-06. ##### Highlights - **`prek.toml` is here!** You can now use `prek.toml` as an alternative to `.pre-commit-config.yaml` for configuring prek. `prek.toml` mirrors the structure of `.pre-commit-config.yaml`, but TOML is less error-prone. Your existing `.pre-commit-config.yaml` will continue to work, but for new users and new projects, `prek.toml` may make more sense. If you want to switch, run `prek util yaml-to-toml` to convert YAML configs to `prek.toml`. See [configuration docs](configuration.md) for details. For example, this config: ```yaml repos: - repo: https://github.com/pre-commit/pre-commit-hooks rev: v6.0.0 hooks: - id: check-yaml ``` Can be written as `prek.toml` like this: ```toml [[repos]] repo = "https://github.com/pre-commit/pre-commit-hooks" rev = "v6.0.0" hooks = [ { id = "check-yaml" } ] ``` - **`serde-yaml` has been replaced with `serde-saphyr`** We replaced the long-deprecated `serde-yaml` crate with [`serde-saphyr`](https://crates.io/crates/serde-saphyr) for YAML parsing. It is written in safe Rust and has better error messages, performance, and security. This lets us provide precise location information for configuration parsing errors, which should make it easier to fix config issues. For example, this invalid config: ```yaml repos: - repo: https://github.com/crate-ci/typos hooks: - id: typos ``` Before: ```console $ prek run error: Failed to parse `.pre-commit-config.yaml` caused by: Invalid remote repo: missing field `rev` ``` Now: ```console $ prek run error: Failed to parse `.pre-commit-config.yaml` caused by: error: line 2 column 5: missing field `rev` at line 2, column 5 --> <input>:2:5 | 1 | repos: 2 | - repo: https://github.com/crate-ci/typos | ^ missing field `rev` at line 2, column 5 3 | hooks: 4 | - id: typos | ``` - **`prek util` subcommands** We added a new `prek util` top-level command for miscellaneous utilities that don't fit into other categories. The first two utilities are: - `prek util identify`: shows the identification tags of files that prek uses for file filtering, which can be useful for debugging and writing `types/types_or/exclude_types` filters. - `prek util yaml-to-toml`: converts `.pre-commit-config.yaml` to `prek.toml`. We also moved `prek init-template-dir` under `prek util` for better organization. The old `prek init-template-dir` command is still available (hidden) as an alias for backward compatibility. ##### Enhancements - Add `prek util identify` subcommand ([#1554](j178/prek#1554)) - Add `prek util yaml-to-toml` to convert `.pre-commit-config.yaml` to `prek.toml` ([#1584](j178/prek#1584)) - Detect install source for actionable upgrade hints ([#1540](j178/prek#1540)) - Detect prek installed by the standalone installer ([#1545](j178/prek#1545)) - Implement `serialize_yaml_scalar` using `serde-saphyr` ([#1534](j178/prek#1534)) - Improve max cli arguments length calculation ([#1518](j178/prek#1518)) - Move `identify` and `init-template-dir` under the `prek util` top-level command ([#1574](j178/prek#1574)) - Replace serde-yaml with serde-saphyr (again) ([#1520](j178/prek#1520)) - Show precise location for config parsing error ([#1530](j178/prek#1530)) - Support `Julia` language ([#1519](j178/prek#1519)) - Support `prek.toml` ([#1271](j178/prek#1271)) - Added `PREK_QUIET` environment variable support ([#1513](j178/prek#1513)) - Remove upper bound constraint of uv version ([#1588](j178/prek#1588)) ##### Bug fixes - Do not make the child a session leader ([#1586](j178/prek#1586)) - Fix FilePattern schema to accept plain strings ([#1564](j178/prek#1564)) - Use semver fallback sort when tag timestamps are equal ([#1579](j178/prek#1579)) ##### Documentation - Add `OpenClaw` to the list of users ([#1517](j178/prek#1517)) - Add `cachix/devenv`, `apache/lucene`, `copper-project/copper-rs` as projects using prek ([#1531](j178/prek#1531), [#1514](j178/prek#1514), [#1569](j178/prek#1569)) - Add document about authoring remote hooks ([#1571](j178/prek#1571)) - Add `llms.txt` generation for LLM-friendly documentation ([#1553](j178/prek#1553)) - Document using `--refresh` to pick up `.prekignore` changes ([#1575](j178/prek#1575)) - Fix PowerShell completion instruction syntax ([#1568](j178/prek#1568)) - Update quick start to use `prek.toml` ([#1576](j178/prek#1576)) ##### Other changes - Include `prek.toml` in run hint for config filename ([#1578](j178/prek#1578)) ##### Contributors - [@fatelei](https://github.com/fatelei) - [@domenkozar](https://github.com/domenkozar) - [@makeecat](https://github.com/makeecat) - [@fllesser](https://github.com/fllesser) - [@j178](https://github.com/j178) - [@copilot-swe-agent](https://github.com/copilot-swe-agent) - [@oopscompiled](https://github.com/oopscompiled) - [@rmuir](https://github.com/rmuir) - [@shaanmajid](https://github.com/shaanmajid) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this MR, check this box --- This MR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate).

Initial plan

e592004

Copilot AI assigned Copilot and j178 Feb 20, 2026

Copilot started work on behalf of j178 February 20, 2026 10:46 View session

Copilot AI and others added 2 commits February 20, 2026 10:54

feat: make trace command truncation limit configurable via env var

3bd5edf

Co-authored-by: j178 <10510431+j178@users.noreply.github.com>

test: restore env vars in truncate limit tests and reject zero limit

72f76e2

Co-authored-by: j178 <10510431+j178@users.noreply.github.com>

Copilot AI changed the title ~~[WIP] Fix truncated TRACE run execution logs~~ Make trace command logging truncation configurable via env var Feb 20, 2026

Copilot AI requested a review from j178 February 20, 2026 11:01

Copilot finished work on behalf of j178 February 20, 2026 11:01

Copilot started work on behalf of j178 February 20, 2026 11:10 View session

refactor: rename truncate env var and cache limit with LazyLock

c1d6713

Co-authored-by: j178 <10510431+j178@users.noreply.github.com>

Copilot finished work on behalf of j178 February 20, 2026 11:20

Simplify

1b99f3c

j178 marked this pull request as ready for review February 20, 2026 12:46

Copilot AI review requested due to automatic review settings February 20, 2026 12:46

Copilot started reviewing on behalf of j178 February 20, 2026 12:47 View session

j178 changed the title ~~Make trace command logging truncation configurable via env var~~ Make trace command logging truncation configurable via PREK_LOG_TRUNCATE_LIMIT Feb 20, 2026

j178 merged commit 8c92699 into master Feb 20, 2026
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j178 deleted the copilot/fix-truncated-trace-logs branch February 20, 2026 12:51

Copilot AI reviewed Feb 20, 2026

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BrewTestBot mentioned this pull request Feb 28, 2026

prek 0.3.4 Homebrew/homebrew-core#269872

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Make trace command logging truncation configurable via `PREK_LOG_TRUNCATE_LIMIT`#1679

Make trace command logging truncation configurable via `PREK_LOG_TRUNCATE_LIMIT`#1679
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