#!/bin/sh
# SPDX-License-Identifier: MIT
set -eu
export TZ=UTC LC_ALL=C
export GIT_CONFIG_NOSYSTEM=1 GIT_CONFIG_GLOBAL=/dev/null
export GIT_AUTHOR_NAME='Example Author' GIT_AUTHOR_EMAIL='author@example.invalid'
export GIT_COMMITTER_NAME='Example Author' GIT_COMMITTER_EMAIL='author@example.invalid'
export GIT_AUTHOR_DATE='2026-10-27T12:00:00+00:00'
export GIT_COMMITTER_DATE='2026-10-27T12:00:00+00:00'
test "$(git --version)" = 'git version 2.56.0'
mkdir example-work
cd example-work
git init --bare -q --template= --initial-branch=main remote.git
git init -q --template= --initial-branch=main project
cd project
git config commit.gpgsign false
git config core.autocrlf false
git remote add origin ../remote.git
printf 'base\n' > note.txt
git add note.txt
git commit -qm 'Base note'
git push -q -u origin main
git branch stale
git push -q origin stale
git fetch -q origin
git branch local-copy origin/stale >/dev/null
git --git-dir=../remote.git update-ref -d refs/heads/stale
git show-ref --verify --quiet refs/remotes/origin/stale
git fetch -q --prune origin
if git show-ref --verify --quiet refs/remotes/origin/stale; then
  printf 'Unexpected remote-tracking reference remains\n'
  exit 1
fi
git show-ref --verify --quiet refs/heads/local-copy
printf 'Pruned origin/stale; local-copy remains\n'