pre-push-singleflight

#!/usr/bin/env bash

set -euo pipefail

# Git runs hooks with the working directory at the top of the invoking work
# tree, so fall back to it when `git rev-parse --show-toplevel` cannot resolve a
# work tree. In a linked worktree whose git context resolves to a git dir,
# show-toplevel exits 128 and this script would otherwise abort the gate.
ROOT="$(git rev-parse --show-toplevel 2>/dev/null || pwd)"
cd "$ROOT"

# shellcheck source=dev-harness/_resolve_python.sh
source scripts/dev-harness/_resolve_python.sh
PYTHON_BIN="$(dev_harness_python)"
export PYTHON="$PYTHON_BIN"

PREFLIGHT_COMMAND=(scripts/pre-push "$@")
if dev_harness_python_uses_windows_paths "$PYTHON_BIN"; then
  if ! command -v cygpath >/dev/null 2>&1; then
    echo "FAIL: native Windows Python requires Git for Windows Bash (cygpath was not found)." >&2
    exit 1
  fi
  GIT_BASH_NATIVE="$(cygpath -w "$(command -v bash)")"
  PREFLIGHT_COMMAND=("$GIT_BASH_NATIVE" scripts/pre-push "$@")
fi

exec "$PYTHON_BIN" .github/scripts/preflight_runner.py --name pre-push -- "${PREFLIGHT_COMMAND[@]}"