check-broken-symlinks.sh

#!/usr/bin/env bash
set -euo pipefail

log() { printf -- "%s\n" "$*" >&2; }

REPO_ROOT="$(git -C "$PWD" rev-parse --show-toplevel)"

log "Checking for broken symlinks..."
NUM_BROKEN_SYMLINKS=0
while read -r -d '' file; do
  if ! test -e "${REPO_ROOT}/${file}"; then
    log "Broken symlink: ${file}"
    ((NUM_BROKEN_SYMLINKS++))
  fi
done < <(git -C "${REPO_ROOT}" ls-files -z)

if [ "${NUM_BROKEN_SYMLINKS}" -gt 0 ]; then
  log "❌ Found ${NUM_BROKEN_SYMLINKS} symlinks."
  exit 1;
fi

log "✅ Found 0 symlinks."