sid-isnt-done 0.5.0

#!/bin/sh
set -eu

# glob — list workspace files matching a glob pattern.
#
# Read-only tool.  Returns matching file paths relative to the workspace root.

lookup() {
    printenv "$1"
}

PREFIX=${RCVAR_ARGV0:?missing RCVAR_ARGV0}

case "${1:-}" in
rcvar)
    printf '%s\n' \
        "${PREFIX}_REQUEST_FILE" \
        "${PREFIX}_RESULT_FILE" \
        "${PREFIX}_SCRATCH_DIR" \
        "${PREFIX}_TEMP_DIR" \
        "${PREFIX}_TMPDIR" \
        "${PREFIX}_WORKSPACE_ROOT" \
        "${PREFIX}_SESSION_ID" \
        "${PREFIX}_SESSION_DIR" \
        "${PREFIX}_AGENT_ID" \
        "${PREFIX}_TOOL_ID" \
        "${PREFIX}_TOOL_NAME" \
        "${PREFIX}_TOOL_PROTOCOL" \
        "${PREFIX}_RC_CONF_PATH" \
        "${PREFIX}_RC_D_PATH"
    ;;
confirm)
    REQUEST_FILE="$(lookup "${PREFIX}_REQUEST_FILE")"
    pattern=$(jq -r '.invocation.input.pattern // empty' "$REQUEST_FILE")
    path=$(jq -r '.invocation.input.path // empty' "$REQUEST_FILE")
    desc="List files matching '${pattern}'"
    if [ -n "$path" ]; then desc="${desc} in ${path}"; fi
    printf '%s\n' "$desc"
    ;;
run)
    REQUEST_FILE="$(lookup "${PREFIX}_REQUEST_FILE")"
    RESULT_FILE="$(lookup "${PREFIX}_RESULT_FILE")"
    WORKSPACE_ROOT="$(lookup "${PREFIX}_WORKSPACE_ROOT")"

    request_id=$(jq -r '.request_id' "$REQUEST_FILE")
    pattern=$(jq -r '.invocation.input.pattern // empty' "$REQUEST_FILE")
    path=$(jq -r '.invocation.input.path // empty' "$REQUEST_FILE")

    write_success() {
        text="$1"
        jq -n --arg rid "$request_id" --arg txt "$text" \
            '{"protocol_version":1,"request_id":$rid,"ok":true,"output":{"kind":"text","text":$txt},"error":null}' \
            > "$RESULT_FILE"
    }

    write_error() {
        code="$1"; msg="$2"
        jq -n --arg rid "$request_id" --arg c "$code" --arg m "$msg" \
            '{"protocol_version":1,"request_id":$rid,"ok":false,"output":null,"error":{"code":$c,"message":$m}}' \
            > "$RESULT_FILE"
    }

    if [ -z "$pattern" ]; then
        write_error "invalid_input" "missing required field: pattern"
        exit 0
    fi

    # Build search path
    if [ -n "$path" ]; then
        if ! search_root=$(sid-path-join "$WORKSPACE_ROOT" "$path"); then
            write_error "unsupported" "path must be workspace-relative and must not contain '..': ${path}"
            exit 0
        fi
    else
        search_root="$WORKSPACE_ROOT"
    fi

    if [ ! -d "$search_root" ]; then
        write_error "not_found" "directory not found: ${path}"
        exit 0
    fi

    # Use find with -name for the glob pattern
    output=$(cd "$search_root" && find . -name "$pattern" -not -path '*/.git/*' -not -path '*/node_modules/*' -not -path '*/target/*' 2>/dev/null | sed 's|^\./||' | sort)

    if [ -z "$output" ]; then
        write_success "No files matching '${pattern}' found."
    else
        count=$(printf '%s\n' "$output" | wc -l | tr -d ' ')
        write_success "${count} files found:
${output}"
    fi
    ;;
*)
    echo "usage: $0 [rcvar|confirm|run]" >&2
    exit 129
    ;;
esac