diff options
Diffstat (limited to 'compat32ctl')
| -rwxr-xr-x | compat32ctl | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/compat32ctl b/compat32ctl new file mode 100755 index 0000000..af3c212 --- /dev/null +++ b/compat32ctl @@ -0,0 +1,148 @@ +#!/bin/bash +# +# compat32ctl - install, update and remove AlienBOB's compat32 package +# collection on Slackware64 -current. +# +# Copyright (C) 2026 Danilo M. <danix@danix.xyz> +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, see <https://www.gnu.org/licenses/>. +# +set -euo pipefail + +REPO_URL="${REPO_URL:-https://slackware.nl/people/alien/multilib/current}" +MIRROR_DIR="${MIRROR_DIR:-/var/cache/compat32}" +PKGDIR="${PKGDIR:-/var/log/packages}" + +DRY_RUN=0 +PROG="${0##*/}" + +usage() { + cat <<EOF +Usage: $PROG <command> [-n|--dry-run] + +Commands: + sync Download/refresh the compat32 tree and verify its checksums + install Sync, then install or upgrade compat32-tools and every -compat32 package + update Same as install (kept as a distinct verb for intent) + remove Remove every installed compat32 package + +Options: + -n, --dry-run Show the commands that would run without executing them + -h, --help Show this help + +Environment: + REPO_URL Remote tree to sync (default: $REPO_URL) + MIRROR_DIR Local package cache (default: $MIRROR_DIR) + PKGDIR Installed-package db (default: $PKGDIR) +EOF +} + +die() { + printf '%s: %s\n' "$PROG" "$*" >&2 + exit 1 +} + +require_cmd() { + [ "$DRY_RUN" -eq 1 ] && return 0 + command -v "$1" >/dev/null 2>&1 || die "required command not found: $1" +} + +require_root() { + [ "$DRY_RUN" -eq 1 ] && return 0 + [ "$(id -u)" -eq 0 ] || die "must be run as root (or use --dry-run to preview)" +} + +run() { + if [ "$DRY_RUN" -eq 1 ]; then + printf '+ %s\n' "$*" + else + "$@" + fi +} + +mirror_and_verify() { + require_cmd lftp + require_cmd md5sum + require_root + printf '==> Syncing %s -> %s\n' "$REPO_URL" "$MIRROR_DIR" + run mkdir -p "$MIRROR_DIR" + run lftp -c "set cmd:show-status on; open $REPO_URL; mirror -c -e -v . $MIRROR_DIR" + printf '==> Verifying checksums\n' + if [ "$DRY_RUN" -eq 1 ]; then + printf '+ cd %s && md5sum -c --ignore-missing CHECKSUMS.md5\n' "$MIRROR_DIR" + else + ( cd "$MIRROR_DIR" && md5sum -c --ignore-missing CHECKSUMS.md5 ) + fi +} + +do_install() { + require_cmd upgradepkg + mirror_and_verify + printf '==> Installing or upgrading compat32 packages\n' + run upgradepkg --install-new "$MIRROR_DIR"/compat32-tools-*.tgz + run upgradepkg --install-new "$MIRROR_DIR"/slackware64-compat32/*-compat32/*.t?z +} + +do_remove() { + require_cmd removepkg + require_root + local pkg names=() + for pkg in "$PKGDIR"/*compat32*; do + [ -e "$pkg" ] || continue + names+=("${pkg##*/}") + done + if [ "${#names[@]}" -eq 0 ]; then + printf 'No installed compat32 packages found.\n' + return 0 + fi + printf '==> Removing %d compat32 package(s)\n' "${#names[@]}" + run removepkg "${names[@]}" +} + +main() { + if [ "$#" -lt 1 ]; then + usage >&2 + exit 1 + fi + + local cmd="$1" + shift + + case "$cmd" in + -h|--help|help) + usage + exit 0 + ;; + esac + + while [ "$#" -gt 0 ]; do + case "$1" in + -n|--dry-run) DRY_RUN=1 ;; + -h|--help) usage; exit 0 ;; + *) die "unknown option: $1" ;; + esac + shift + done + + case "$cmd" in + sync) mirror_and_verify ;; + install) do_install ;; + update) do_install ;; + remove) do_remove ;; + *) usage >&2; die "unknown command: $cmd" ;; + esac +} + +if [ "${BASH_SOURCE[0]}" = "$0" ]; then + main "$@" +fi |