chore: import upstream snapshot with attribution
This commit is contained in:
wehub-resource-sync
@@ -0,0 +1,448 @@
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#!/usr/bin/env bash
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# update-agent-context.sh
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#
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# Refresh the managed Spec Kit section in the coding agent's context file(s)
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# (e.g. CLAUDE.md, .github/copilot-instructions.md, AGENTS.md).
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#
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# Reads `context_files` or `context_file`, plus `context_markers.{start,end}`, from the
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# agent-context extension config:
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# .specify/extensions/agent-context/agent-context-config.yml
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#
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# Usage: update-agent-context.sh [plan_path]
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#
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# When `plan_path` is omitted, the script derives it from `.specify/feature.json`
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# (written by /speckit-specify). Falls back to the most recently modified
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# `specs/**/plan.md` only when feature.json is absent or its plan does not exist yet.
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set -euo pipefail
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PROJECT_ROOT="$(pwd)"
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EXT_CONFIG="$PROJECT_ROOT/.specify/extensions/agent-context/agent-context-config.yml"
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DEFAULT_START="<!-- SPECKIT START -->"
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DEFAULT_END="<!-- SPECKIT END -->"
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if [[ ! -f "$EXT_CONFIG" ]]; then
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echo "agent-context: $EXT_CONFIG not found; nothing to do." >&2
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exit 0
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fi
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# Locate a Python 3 interpreter with PyYAML available.
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_python=""
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_python_candidates=()
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[[ -n "${SPECKIT_PYTHON:-}" ]] && _python_candidates+=("$SPECKIT_PYTHON")
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_python_candidates+=("python3" "python")
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for _candidate in "${_python_candidates[@]}"; do
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if command -v "$_candidate" >/dev/null 2>&1 \
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&& "$_candidate" - <<'PY' >/dev/null 2>&1
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import sys
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try:
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import yaml # noqa: F401
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except ImportError:
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sys.exit(1)
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sys.exit(0 if sys.version_info[0] == 3 else 1)
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PY
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then
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_python="$_candidate"
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break
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fi
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done
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unset _candidate _python_candidates
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if [[ -z "$_python" ]]; then
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echo "agent-context: Python 3 with PyYAML not found on PATH; skipping update." >&2
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echo " To resolve: pip install pyyaml (or install it into the environment used by python3)." >&2
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exit 0
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fi
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_case_insensitive_context_files=0
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case "$(uname -s 2>/dev/null || true)" in
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MINGW*|MSYS*|CYGWIN*) _case_insensitive_context_files=1 ;;
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esac
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# Parse extension config once; emit context files as JSON, followed by marker strings.
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#
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# NOTE (bash 3.2 / macOS portability): the embedded Python heredocs below run
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# inside $(...) command substitution. bash 3.2 (the system /bin/bash on macOS)
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# mis-parses a single-quote/apostrophe in a heredoc body nested in $(...),
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# failing with "unexpected EOF while looking for matching `''". Keep these
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# $(...)-nested heredoc bodies free of apostrophes (use double quotes in Python
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# string literals and avoid contractions in comments).
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if ! _raw_opts="$("$_python" - "$EXT_CONFIG" "$_case_insensitive_context_files" "$PROJECT_ROOT" <<'PY'
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import json
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import sys
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try:
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import yaml
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except ImportError:
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print(
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"agent-context: PyYAML is required to parse extension config but is not available "
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"in the current Python environment.\n"
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" To resolve: pip install pyyaml (or install it into the environment used by python3).\n"
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" Context file will not be updated until PyYAML is importable.",
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file=sys.stderr,
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)
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sys.exit(2)
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try:
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with open(sys.argv[1], "r", encoding="utf-8") as fh:
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data = yaml.safe_load(fh)
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except Exception as exc:
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print(
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f"agent-context: unable to parse {sys.argv[1]} ({exc}); cannot update context.",
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file=sys.stderr,
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)
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sys.exit(2)
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if not isinstance(data, dict):
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data = {}
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def get_str(obj, *keys):
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node = obj
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for k in keys:
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if isinstance(node, dict) and k in node:
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node = node[k]
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else:
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return ""
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return node if isinstance(node, str) else ""
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context_files = []
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seen_context_files = set()
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case_insensitive = sys.argv[2] == "1" or sys.platform.startswith(("win32", "cygwin"))
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def add_context_file(value):
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if not isinstance(value, str):
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return
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candidate = value.strip()
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if not candidate:
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return
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key = candidate.casefold() if case_insensitive else candidate
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if key in seen_context_files:
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return
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context_files.append(candidate)
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seen_context_files.add(key)
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raw_files = data.get("context_files")
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if isinstance(raw_files, list):
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for value in raw_files:
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add_context_file(value)
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if not context_files:
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add_context_file(get_str(data, "context_file"))
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if not context_files:
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# Self-seed: the agent-context extension manages its own lifecycle, so when
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# its config declares no target, it derives one from the active integration
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# recorded in init-options.json, mapped through the bundled
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# agent-context-defaults.json file. This is independent of the Specify CLI
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# by design; nothing here imports specify_cli.
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project_root = sys.argv[3] if len(sys.argv) > 3 else "."
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integration_key = ""
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try:
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with open(
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f"{project_root}/.specify/init-options.json", "r", encoding="utf-8"
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) as fh:
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opts = json.load(fh)
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if isinstance(opts, dict):
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value = opts.get("integration") or opts.get("ai") or ""
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integration_key = value if isinstance(value, str) else ""
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except Exception:
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integration_key = ""
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if integration_key:
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defaults_path = (
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f"{project_root}/.specify/extensions/agent-context/"
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"agent-context-defaults.json"
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)
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mapping = {}
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try:
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with open(defaults_path, "r", encoding="utf-8") as fh:
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loaded = json.load(fh)
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agents = loaded.get("agents", {}) if isinstance(loaded, dict) else {}
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mapping = agents if isinstance(agents, dict) else {}
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except Exception:
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print(
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"agent-context: unable to read %s; cannot self-seed the context "
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"file. Set context_file in the extension config." % defaults_path,
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file=sys.stderr,
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)
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mapping = {}
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add_context_file(mapping.get(integration_key, "") or "")
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if not context_files:
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print(
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"agent-context: no default context file is known for integration "
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"%s. Set context_file in the extension config to choose one."
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% integration_key,
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file=sys.stderr,
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)
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print(json.dumps(context_files))
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print(get_str(data, "context_markers", "start"))
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print(get_str(data, "context_markers", "end"))
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PY
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)"; then
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echo "agent-context: skipping update (see above for details)." >&2
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exit 0
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fi
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_opts_lines=()
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while IFS= read -r _line || [[ -n "$_line" ]]; do
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_opts_lines+=("$_line")
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done < <(printf '%s\n' "$_raw_opts")
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if (( ${#_opts_lines[@]} < 3 )); then
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echo "agent-context: malformed config parser output; expected 3 lines (context_files, marker_start, marker_end), got ${#_opts_lines[@]}; skipping update." >&2
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exit 0
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fi
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CONTEXT_FILES_JSON="${_opts_lines[0]}"
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MARKER_START="${_opts_lines[1]}"
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MARKER_END="${_opts_lines[2]}"
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if ! _context_files_raw="$("$_python" - "$CONTEXT_FILES_JSON" <<'PY'
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import json
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import sys
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try:
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data = json.loads(sys.argv[1])
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except Exception:
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data = []
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if not isinstance(data, list):
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data = []
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for value in data:
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if isinstance(value, str) and value:
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print(value)
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PY
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)"; then
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echo "agent-context: malformed context_files parser output; skipping update." >&2
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exit 0
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fi
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CONTEXT_FILES=()
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while IFS= read -r _line || [[ -n "$_line" ]]; do
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[[ -n "$_line" ]] && CONTEXT_FILES+=("$_line")
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done < <(printf '%s\n' "$_context_files_raw")
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if (( ${#CONTEXT_FILES[@]} == 0 )); then
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echo "agent-context: context_files/context_file not set in extension config; nothing to do." >&2
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exit 0
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fi
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for CONTEXT_FILE in "${CONTEXT_FILES[@]}"; do
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# Reject absolute paths, backslash separators, and '..' path segments in context files
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if [[ "$CONTEXT_FILE" == /* ]] || [[ "$CONTEXT_FILE" =~ ^[A-Za-z]: ]]; then
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echo "agent-context: context files must be project-relative paths; got '$CONTEXT_FILE'." >&2
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exit 1
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fi
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if [[ "$CONTEXT_FILE" == *\\* ]]; then
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echo "agent-context: context files must not contain backslash separators; got '$CONTEXT_FILE'." >&2
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exit 1
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fi
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IFS='/' read -ra _cf_parts <<< "$CONTEXT_FILE"
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for _seg in "${_cf_parts[@]}"; do
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if [[ "$_seg" == ".." ]]; then
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echo "agent-context: context files must not contain '..' path segments; got '$CONTEXT_FILE'." >&2
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exit 1
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fi
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done
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if ! "$_python" - "$PROJECT_ROOT" "$CONTEXT_FILE" <<'PY'
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import sys
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from pathlib import Path
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root = Path(sys.argv[1]).resolve()
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target = (root / sys.argv[2]).resolve(strict=False)
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try:
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target.relative_to(root)
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except ValueError:
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sys.exit(1)
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PY
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then
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echo "agent-context: context file path resolves outside the project root; got '$CONTEXT_FILE'." >&2
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exit 1
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fi
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done
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unset _cf_parts _seg
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[[ -z "$MARKER_START" ]] && MARKER_START="$DEFAULT_START"
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[[ -z "$MARKER_END" ]] && MARKER_END="$DEFAULT_END"
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PLAN_PATH="${1:-}"
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if [[ -z "$PLAN_PATH" ]]; then
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# Prefer .specify/feature.json (written by /speckit-specify) over mtime heuristic.
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_feature_json="$PROJECT_ROOT/.specify/feature.json"
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if [[ -f "$_feature_json" ]]; then
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_feature_dir="$("$_python" - "$_feature_json" <<'PY'
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import sys, json
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try:
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with open(sys.argv[1], encoding="utf-8") as fh:
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d = json.load(fh)
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val = d.get("feature_directory", "")
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print(val if isinstance(val, str) else "")
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except Exception:
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print("")
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PY
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)"
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# Normalize backslashes (written by PS on Windows) to forward slashes before path ops.
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_feature_dir="$(printf '%s' "$_feature_dir" | tr '\\' '/')"
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_feature_dir="${_feature_dir%/}"
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if [[ -n "$_feature_dir" ]]; then
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# feature_directory may be relative or absolute (absolute paths outside PROJECT_ROOT
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# are preserved as-is by _persist_feature_json in common.sh).
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# Also match drive-qualified paths (C:/...) written by PowerShell on Windows.
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if [[ "$_feature_dir" == /* ]] || [[ "$_feature_dir" =~ ^[A-Za-z]:/ ]]; then
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_candidate="$_feature_dir/plan.md"
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else
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_candidate="$PROJECT_ROOT/$_feature_dir/plan.md"
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fi
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if [[ -f "$_candidate" ]]; then
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# Resolve symlinks before comparing so paths like /var/… vs /private/var/…
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# (macOS) are treated as equivalent. Mirrors the mtime-fallback approach.
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PLAN_PATH="$("$_python" - "$PROJECT_ROOT" "$_candidate" <<'PY'
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import sys
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from pathlib import Path
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root = Path(sys.argv[1]).resolve()
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cand = Path(sys.argv[2]).resolve()
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try:
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print(cand.relative_to(root).as_posix())
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except ValueError:
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# Outside project root: emit the resolved path in POSIX form.
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# as_posix() converts backslashes correctly on native Windows Python.
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print(cand.as_posix())
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PY
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)"
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fi
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fi
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fi
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# Fall back to mtime only when feature.json is absent or its plan does not exist yet.
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# Python emits a project-relative POSIX path directly to avoid bash prefix-strip
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# issues with backslash paths on Windows (Git bash / MSYS2).
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if [[ -z "$PLAN_PATH" ]]; then
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_plan_rel="$("$_python" - "$PROJECT_ROOT" <<'PY'
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import sys
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from pathlib import Path
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root = Path(sys.argv[1]).resolve()
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specs = root / "specs"
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def _resolved_rel(p):
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# Resolve symlinks before checking containment: relative_to() is lexical
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# and would otherwise accept a plan reached through a specs/ symlink that
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# points outside the project, emitting an in-project-looking path for an
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# out-of-project file (or picking it as "most recent").
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try:
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return p.resolve().relative_to(root)
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except (OSError, ValueError):
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return None
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# Recurse (rather than the old one-level specs/*/plan.md glob) so scoped layouts
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# created via SPECIFY_FEATURE_DIRECTORY, e.g. specs/<scope>/<feature>/plan.md,
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# are still discovered when feature.json is absent (#3024).
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candidates = []
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for p in specs.rglob("plan.md"):
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rel = _resolved_rel(p)
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if rel:
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candidates.append((p, rel))
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candidates.sort(key=lambda pr: pr[0].stat().st_mtime, reverse=True)
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if candidates:
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print(candidates[0][1].as_posix())
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else:
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print("")
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PY
|
||||
)"
|
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if [[ -n "$_plan_rel" ]]; then
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PLAN_PATH="$_plan_rel"
|
||||
fi
|
||||
fi
|
||||
fi
|
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|
||||
# Build the managed section
|
||||
TMP_SECTION="$(mktemp)"
|
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trap 'rm -f "$TMP_SECTION"' EXIT
|
||||
{
|
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echo "$MARKER_START"
|
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echo "For additional context about technologies to be used, project structure,"
|
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echo "shell commands, and other important information, read the current plan"
|
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if [[ -n "$PLAN_PATH" ]]; then
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echo "at $PLAN_PATH"
|
||||
fi
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echo "$MARKER_END"
|
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} > "$TMP_SECTION"
|
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|
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for CONTEXT_FILE in "${CONTEXT_FILES[@]}"; do
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CTX_PATH="$PROJECT_ROOT/$CONTEXT_FILE"
|
||||
mkdir -p "$(dirname "$CTX_PATH")"
|
||||
|
||||
"$_python" - "$CTX_PATH" "$MARKER_START" "$MARKER_END" "$TMP_SECTION" <<'PY'
|
||||
import os
|
||||
import re
|
||||
import sys
|
||||
|
||||
ctx_path, start, end, section_path = sys.argv[1:5]
|
||||
with open(section_path, "r", encoding="utf-8") as fh:
|
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section = fh.read().rstrip("\n") + "\n"
|
||||
|
||||
|
||||
def ensure_mdc_frontmatter(content):
|
||||
"""Ensure ``.mdc`` content has YAML frontmatter with ``alwaysApply: true``.
|
||||
|
||||
Cursor only auto-loads ``.mdc`` rule files that carry frontmatter with
|
||||
``alwaysApply: true``. Prepend it when missing, or repair the value while
|
||||
preserving any existing frontmatter comments/formatting.
|
||||
"""
|
||||
leading_ws = len(content) - len(content.lstrip())
|
||||
leading = content[:leading_ws]
|
||||
stripped = content[leading_ws:]
|
||||
|
||||
if not stripped.startswith("---"):
|
||||
return "---\nalwaysApply: true\n---\n\n" + content
|
||||
|
||||
match = re.match(
|
||||
r"^(---[ \t]*\r?\n)(.*?)(\r?\n---[ \t]*)(\r?\n|$)(.*)",
|
||||
stripped,
|
||||
re.DOTALL,
|
||||
)
|
||||
if not match:
|
||||
return "---\nalwaysApply: true\n---\n\n" + content
|
||||
|
||||
opening, fm_text, closing, sep, rest = match.groups()
|
||||
newline = "\r\n" if "\r\n" in opening else "\n"
|
||||
|
||||
if re.search(r"(?m)^[ \t]*alwaysApply[ \t]*:[ \t]*true[ \t]*(?:#.*)?$", fm_text):
|
||||
return content
|
||||
|
||||
if re.search(r"(?m)^[ \t]*alwaysApply[ \t]*:", fm_text):
|
||||
fm_text = re.sub(
|
||||
r"(?m)^([ \t]*)alwaysApply[ \t]*:.*?([ \t]*(?:#.*)?)$",
|
||||
r"\1alwaysApply: true\2",
|
||||
fm_text,
|
||||
count=1,
|
||||
)
|
||||
elif fm_text.strip():
|
||||
fm_text = fm_text + newline + "alwaysApply: true"
|
||||
else:
|
||||
fm_text = "alwaysApply: true"
|
||||
|
||||
return f"{leading}{opening}{fm_text}{closing}{sep}{rest}"
|
||||
|
||||
|
||||
if os.path.exists(ctx_path):
|
||||
with open(ctx_path, "r", encoding="utf-8-sig") as fh:
|
||||
content = fh.read()
|
||||
s = content.find(start)
|
||||
e = content.find(end, s if s != -1 else 0)
|
||||
if s != -1 and e != -1 and e > s:
|
||||
end_of_marker = e + len(end)
|
||||
if end_of_marker < len(content) and content[end_of_marker] == "\r":
|
||||
end_of_marker += 1
|
||||
if end_of_marker < len(content) and content[end_of_marker] == "\n":
|
||||
end_of_marker += 1
|
||||
new_content = content[:s] + section + content[end_of_marker:]
|
||||
elif s != -1:
|
||||
new_content = content[:s] + section
|
||||
elif e != -1:
|
||||
end_of_marker = e + len(end)
|
||||
if end_of_marker < len(content) and content[end_of_marker] == "\r":
|
||||
end_of_marker += 1
|
||||
if end_of_marker < len(content) and content[end_of_marker] == "\n":
|
||||
end_of_marker += 1
|
||||
new_content = section + content[end_of_marker:]
|
||||
else:
|
||||
if content and not content.endswith("\n"):
|
||||
content += "\n"
|
||||
new_content = (content + "\n" + section) if content else section
|
||||
else:
|
||||
new_content = section
|
||||
|
||||
new_content = new_content.replace("\r\n", "\n").replace("\r", "\n")
|
||||
if ctx_path.casefold().endswith(".mdc"):
|
||||
new_content = ensure_mdc_frontmatter(new_content)
|
||||
with open(ctx_path, "wb") as fh:
|
||||
fh.write(new_content.encode("utf-8"))
|
||||
PY
|
||||
|
||||
echo "agent-context: updated $CONTEXT_FILE"
|
||||
done
|
||||
Reference in New Issue
Block a user