1#!/usr/bin/env bash
 2set -euo pipefail
 3
 4if ! command -v zig >/dev/null 2>&1; then
 5  echo "error: zig not found in PATH" >&2
 6  exit 1
 7fi
 8
 9if ! command -v ctags >/dev/null 2>&1; then
10  echo "error: ctags not found in PATH" >&2
11  exit 1
12fi
13
14std_dir="$(zig env | grep '\.std_dir' | sed -E 's/.*"([^"]+)".*/\1/')"
15
16if [[ -z "${std_dir}" || ! -d "${std_dir}" ]]; then
17  echo "error: could not locate zig std directory" >&2
18  exit 1
19fi
20
21cache_dir="${XDG_CACHE_HOME:-$HOME/.cache}/tags"
22target="${cache_dir}/zig_std.tags"
23
24mkdir -p "${cache_dir}"
25
26echo "Generating Zig standard library tags from ${std_dir}..."
27ctags -f "${target}" "${std_dir}"
28echo "Saved tags to ${target} ($(du -h "${target}" | cut -f1))"