#!/usr/bin/env bash set -euo pipefail AGPL_CRATES=("collab")RELEASE_CRATES=("cli" "remote_server" "zed") check_symlink_target () {    local symlink_path="$1"    local license_name="$2"     local target=$(readlink "$symlink_path")     local dir=$(dirname "$symlink_path")    local depth=$(echo "$dir" | tr '/' '\n' | wc -l)    local expected_prefix=""    for ((i = 0; i < depth; i++)); do        expected_prefix="../$expected_prefix"    done    local expected_target="${expected_prefix}${license_name}"     if [[ "$target" != "$expected_target" ]]; then        echo "Error: $symlink_path points to '$target' but should point to '$expected_target'"        exit 1    fi     if [[ ! -e "$symlink_path" ]]; then        echo "Error: $symlink_path is a broken symlink (target '$target' does not exist)"        exit 1    fi} check_license () {    local dir="$1"    local allowed_licenses=()     local is_agpl=false    for agpl_crate in "${AGPL_CRATES[@]}"; do        if [[ "$dir" == "crates/$agpl_crate" ]]; then            is_agpl=true            break        fi    done     if [[ "$is_agpl" == true ]]; then        allowed_licenses=("LICENSE-AGPL")    else        allowed_licenses=("LICENSE-GPL" "LICENSE-APACHE")    fi     for license in "${allowed_licenses[@]}"; do        if [[ -L "$dir/$license" ]]; then            check_symlink_target "$dir/$license" "$license"            return 0        elif [[ -e "$dir/$license" ]]; then            echo "Error: $dir/$license exists but is not a symlink."            exit 1        fi    done     if [[ "$is_agpl" == true ]]; then        echo "Error: $dir does not contain a LICENSE-AGPL symlink"    else        echo "Error: $dir does not contain a LICENSE-GPL or LICENSE-APACHE symlink"    fi    exit 1} git ls-files "**/*/Cargo.toml" | while read -r cargo_toml; do   check_license "$(dirname "$cargo_toml")"done  # Make sure the AGPL server crates are included in the release tarball.for release_crate in "${RELEASE_CRATES[@]}"; do    tree_output=$(cargo tree --package "$release_crate")    for agpl_crate in "${AGPL_CRATES[@]}"; do        # Look for lines that contain the crate name followed by " v" (version)        # This matches patterns like "├── collab v0.44.0"        if echo "$tree_output" | grep -E "(^|[^a-zA-Z_])${agpl_crate} v" > /dev/null; then            echo "Error: crate '${agpl_crate}' is AGPL and is a dependency of crate '${release_crate}'." >&2            echo "AGPL licensed code should not be used in the release distribution, only in servers." >&2            exit 1        fi    donedone echo "check-licenses succeeded"