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Nikita Fomichev a78bcc708e utils: add auto-bisect script for ClickHouse regression bisection
Adds `utils/auto-bisect/` — a shell-based bisection framework that
downloads pre-built CI binaries and runs a user-supplied test script
to find the first bad commit.

Key features:
- Downloads public CI binaries from S3 by default; private CloudFront
  builds with `--private` (credentials via `CH_CI_BASIC_AUTH` env var,
  `CH_CI_USER`/`CH_CI_PASSWORD`, or `/etc/netrc`)
- Three environment modes: `single` (one server), `replicateddb` (two
  nodes + Keeper, Replicated database), `sharedcatalog` (two nodes +
  Keeper, SharedCatalog)
- Uses `git bisect --no-checkout` by default so the work tree is not
  modified during bisection
- Walker mode (`--walker`) for linear commit-by-commit testing
- Example test scripts in `tests/`

Tested locally: `--env nothing`, `--env single`, and `--env replicateddb`
all verified working.
2026-03-28 10:39:03 +01:00

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Executable File

#!/bin/bash
set -e
WORK_TREE="$1"
(
cd $WORK_TREE/tests || exit 1
echo "$PWD"
$CH_PATH client --host={HOST} --port=9440 -q "select 1"
)