538 lines
18 KiB
Go
538 lines
18 KiB
Go
// Package depmap maps Arch Linux dependency relations onto Zeta package
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// names.
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//
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// The name tables (zetapkgs, renames, dropped) are checked-in literals so the
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// mapping is hermetic: zetapkgs mirrors the authoritative
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// zeta-packages/packages/index.lua "name = ..." entries.
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package depmap
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import (
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"fmt"
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"strings"
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)
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// MapDep maps a single Arch dependency relation to a Zeta dependency string.
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//
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// Input forms: "name", "name>=1.2", or the optdepend form "name: description".
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// It returns ("", false) when the dependency is dropped (base-system packages
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// Zeta provides outside the package manager). Every drop, rename, and
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// unmapped passthrough fires warn (nil-safe).
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func MapDep(spec string, warn func(string)) (string, bool) {
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if warn == nil {
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warn = func(string) {}
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}
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// 1. Optdepend description form "name: description" — keep the
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// name+constraint part only.
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if i := strings.Index(spec, ": "); i >= 0 {
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spec = spec[:i]
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}
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// 2. Split the base name from the version constraint. Arch dependency
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// names never contain the operator characters, so the first one found
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// starts the constraint.
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name, constraint := splitConstraint(spec)
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// Zeta's vercmp.parse_dep accepts "=" but normalizes it to "=="
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// internally; do the same so emitted specs match Zeta convention.
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constraint = normalizeConstraint(constraint)
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// 3. Verbatim match against the Zeta package index → passthrough.
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if _, ok := zetapkgs[name]; ok {
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return name + constraint, true
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}
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// 4. Known Arch→Zeta rename (case fixes included) → rename, keep the
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// constraint.
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if to, ok := renames[name]; ok {
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warn(fmt.Sprintf("renamed dependency %q -> %q", name, to))
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return to + constraint, true
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}
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// 5. Base-system packages Zeta has no package for → drop.
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if _, ok := dropped[name]; ok {
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warn(fmt.Sprintf("dropping base-system dependency %q", name))
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return "", false
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}
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// 6. Not in Zeta at all → passthrough loudly.
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warn(fmt.Sprintf("unmapped dependency %q (passed through)", name+constraint))
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return name + constraint, true
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}
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// splitConstraint returns the base package name and the raw constraint
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// ("", ">=1.2", ...). The split happens at the first operator character
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// ('<', '>', '=', '~'); Arch package names never contain these.
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func splitConstraint(spec string) (name, constraint string) {
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for i := 0; i < len(spec); i++ {
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switch spec[i] {
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case '<', '>', '=', '~':
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return strings.TrimSpace(spec[:i]), spec[i:]
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}
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}
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return strings.TrimSpace(spec), ""
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}
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// normalizeConstraint rewrites a bare "=" operator to "==" (Zeta's canonical
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// form) and leaves every other operator untouched.
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func normalizeConstraint(constraint string) string {
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trimmed := strings.TrimLeft(constraint, " \t")
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if strings.HasPrefix(trimmed, "=") && !strings.HasPrefix(trimmed, "==") {
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return constraint[:len(constraint)-len(trimmed)] + "==" + trimmed[1:]
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}
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return constraint
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}
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// zetapkgs is the set of every Zeta package name, checked in verbatim from
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// zeta-packages/packages/index.lua ("name = ..." entries).
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var zetapkgs = map[string]struct{}{
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"a52dec": {},
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"acl": {},
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"adwaita-icon-theme": {},
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"adwaita-icon-theme-legacy": {},
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"alacritty": {},
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"alsa-lib": {},
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"aquamarine": {},
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"atkmm": {},
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"at-spi2-core": {},
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"avahi": {},
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"bitstreamvera": {},
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"brotli": {},
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"btop": {},
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"bubblewrap": {},
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"bzip2": {},
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"cairo": {},
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"cairomm": {},
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"caja": {},
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"cava": {},
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"cjson": {},
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"cmatrix": {},
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"composefs": {},
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"cpio": {},
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"ctwm": {},
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"dav1d": {},
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"dbus": {},
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"dbus-glib": {},
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"dejavusans": {},
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"discord": {},
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"doas": {},
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"double-conversion": {},
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"edelib": {},
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"egl": {},
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"eom": {},
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"exo": {},
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"expat": {},
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"extra-cmake-modules": {},
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"faad2": {},
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"fastfetch": {},
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"fd": {},
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"femboysay": {},
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"fftw3": {},
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"file": {},
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"firefox": {},
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"fish": {},
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"flac": {},
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"flatpak": {},
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"fltk": {},
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"fmt": {},
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"fontconfig": {},
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"freetype": {},
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"fribidi": {},
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"fvwm3": {},
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"garcon": {},
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"gdk-pixbuf": {},
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"git": {},
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"glib": {},
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"glibmm": {},
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"gmp": {},
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"gnupg": {},
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"gnutls": {},
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"gobject-introspection": {},
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"gpgme": {},
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"graphene": {},
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"gsettings-desktop-schemas": {},
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"gtk3": {},
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"gtk4": {},
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"gtk-layer-shell": {},
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"gtkmm3": {},
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"gtkmm4": {},
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"gtksourceview4": {},
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"gzip": {},
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"harfbuzz": {},
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"hello": {},
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"hicolor-icon-theme": {},
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"htop": {},
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"hwdata": {},
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"hyprgraphics": {},
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"hyprland": {},
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"hyprlang": {},
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"hyprpaper": {},
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"hyprtoolkit": {},
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"hyprutils": {},
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"hyprwayland-scanner": {},
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"hyprwire": {},
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"icu": {},
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"imlib2": {},
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"iniparser": {},
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"iso-codes": {},
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"jam": {},
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"json-c": {},
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"jsoncpp": {},
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"kidletime": {},
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"kwindowsystem": {},
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"labwc": {},
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"larp": {},
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"layer-shell-qt": {},
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"lcms2": {},
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"leancrypto": {},
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"less": {},
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"libappstream": {},
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"libarchive": {},
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"libassuan": {},
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"libb2": {},
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"libcanberra": {},
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"libcurl": {},
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"libdaemon": {},
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"libdbusmenu-lxqt": {},
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"libdconf": {},
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"libdisplay-info": {},
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"libdrm": {},
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"libebml": {},
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"libepoxy": {},
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"libevdev": {},
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"libevent": {},
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"libexif": {},
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"libffi": {},
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"libfm-extra": {},
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"libfm-qt": {},
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"libfontenc": {},
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"libfuse3": {},
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"libfyaml": {},
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"libgcrypt": {},
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"libglvnd": {},
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"libgpg-error": {},
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"libgtop": {},
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"libgudev": {},
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"libICE": {},
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"libidn2": {},
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"libinput": {},
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"libjpeg-turbo": {},
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"libjson-glib": {},
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"libksba": {},
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"liblxqt": {},
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"libmatekbd": {},
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"libmateweather": {},
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"libmatroska": {},
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"libmtdev": {},
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"libnl": {},
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"libnotify": {},
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"libogg": {},
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"libostree": {},
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"libpciaccess": {},
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"libpeas": {},
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"libpng": {},
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"libpsl": {},
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"libqtxdg": {},
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"libreoffice": {},
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"libreoffice-core": {},
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"libreoffice-help": {},
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"libreoffice-share": {},
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"librsvg": {},
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"libseccomp": {},
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"libshout": {},
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"libsigc++": {},
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"libsigc++2": {},
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"libSM": {},
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"libsndfile": {},
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"libsoup2": {},
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"libsoup3": {},
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"libtasn1": {},
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"libtdb": {},
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"libtheora": {},
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"libtinfo": {},
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"libtirpc": {},
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"libudev": {},
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"libunistring": {},
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"libuuid": {},
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"libva": {},
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"libvorbis": {},
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"libvpx": {},
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"libwacom": {},
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"libwebp": {},
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"libwnck3": {},
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"libX11": {},
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"libXau": {},
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"libXaw": {},
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"libxcb": {},
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"libxcb-xrm": {},
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"libXcomposite": {},
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"libXcursor": {},
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"libxcvt": {},
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"libXdamage": {},
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"libXdmcp": {},
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"libXext": {},
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"libxfce4ui": {},
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"libxfce4util": {},
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"libxfce4windowing": {},
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"libXfixes": {},
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"libXfont2": {},
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"libXft": {},
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"libXi": {},
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"libXinerama": {},
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"libXkbfile": {},
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"libxklavier": {},
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"libxml2": {},
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"libxmlb": {},
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"libXmu": {},
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"libXpm": {},
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"libXpresent": {},
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"libXrandr": {},
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"libXrender": {},
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"libXres": {},
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"libxshmfence": {},
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"libxss": {},
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"libXt": {},
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"libXtst": {},
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"libXvMC": {},
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"libXxf86vm": {},
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"libyaml": {},
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"libz": {},
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"lm-sensors": {},
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"lua51": {},
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"luajit": {},
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"luv": {},
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"lxqt": {},
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"lxqt-about": {},
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"lxqt-build-tools": {},
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"lxqt-config": {},
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"lxqt-globalkeys": {},
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"lxqt-menu-data": {},
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"lxqt-notificationd": {},
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"lxqt-panel": {},
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"lxqt-policykit": {},
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"lxqt-powermanagement": {},
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"lxqt-qtplugin": {},
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"lxqt-runner": {},
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"lxqt-session": {},
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"lxqt-themes": {},
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"lz4": {},
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"make": {},
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"mango": {},
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"marco": {},
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"mate": {},
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"mate-backgrounds": {},
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"mate-calc": {},
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"mate-control-center": {},
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"mate-desktop": {},
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"mate-icon-theme": {},
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"mate-menus": {},
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"mate-notification-daemon": {},
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"mate-panel": {},
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"mate-polkit": {},
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"mate-power-manager": {},
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"mate-session-manager": {},
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"mate-settings-daemon": {},
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"mate-terminal": {},
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"mate-utils": {},
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"md4c": {},
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"menu-cache": {},
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"mesa": {},
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"mesa-dri-gallium": {},
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"mesa-gl": {},
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"micro": {},
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"mksh": {},
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"mm-common": {},
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"mpc": {},
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"mpfr": {},
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"mpg123": {},
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"muparser": {},
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"neovim": {},
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"nettle": {},
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"nghttp2": {},
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"npth": {},
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"nscde": {},
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"nss": {},
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"ntbtls": {},
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"nvidia": {},
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"nvidia-compiler": {},
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"nvidia-cuda": {},
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"nvidia-firmware": {},
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"nvidia-kernel": {},
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"nvidia-optix": {},
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"nvidia-utils": {},
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"openbox": {},
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"opencode": {},
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"openssl": {},
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"opsec": {},
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"opus": {},
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"p11-kit": {},
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"pango": {},
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"pangomm": {},
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"pcmanfm-qt": {},
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"pcre2": {},
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"pekwm": {},
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"pinentry": {},
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"pipewire": {},
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"pixman": {},
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"plasma-wayland-protocols": {},
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"pluma": {},
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"polkit": {},
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"polkit-qt-1": {},
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"procps-ng": {},
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"pugixml": {},
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"pulseaudio": {},
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"qt5": {},
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"qtbase": {},
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"qtdeclarative": {},
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"qterminal": {},
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"qtermwidget": {},
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"qtshadertools": {},
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"qtsvg": {},
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"qttools": {},
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"qtwayland": {},
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"ripgrep": {},
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"rofi": {},
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"rsync": {},
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"scenefx": {},
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"sdl2": {},
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"seatd": {},
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"setxkbmap": {},
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"shared-mime-info": {},
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"solid": {},
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"spdlog": {},
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"speex": {},
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"spirv-tools": {},
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"sqlite": {},
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"startup-notification": {},
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"swaybg": {},
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"taglib": {},
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"tango-icon-theme": {},
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"tar": {},
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"thunar": {},
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"tllist": {},
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"tree": {},
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"tree-sitter": {},
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"tslib": {},
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"twolame": {},
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"unibilium": {},
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"unzip": {},
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"upower": {},
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"util-macros": {},
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"vim": {},
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"vlc": {},
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"vte": {},
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"vulkan-headers": {},
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"waybar": {},
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"wayland": {},
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"wayland-protocols": {},
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"wget": {},
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"which": {},
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"wlroots": {},
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"wlr-protocols": {},
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"wmaker": {},
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"wofi": {},
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"xauth": {},
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"xcb-proto": {},
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"xcb-util": {},
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"xcb-util-cursor": {},
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"xcb-util-image": {},
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"xcb-util-keysyms": {},
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"xcb-util-renderutil": {},
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"xcb-util-wm": {},
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"xdg-desktop-portal": {},
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"xdg-user-dirs": {},
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"xdpyinfo": {},
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"xf86-input-libinput": {},
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"xf86-video-intel": {},
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"xfce4": {},
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"xfce4-appfinder": {},
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"xfce4-dev-tools": {},
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"xfce4-notifyd": {},
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"xfce4-panel": {},
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"xfce4-power-manager": {},
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"xfce4-session": {},
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"xfce4-settings": {},
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"xfce4-terminal": {},
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"xfconf": {},
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"xfdesktop": {},
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"xfwm4": {},
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"xgamma": {},
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"xinit": {},
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"xkbcommon": {},
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"xkbcomp": {},
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"xkeyboard-config": {},
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"xmessage": {},
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"xmodmap": {},
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"xorg-full": {},
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"xorgproto": {},
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"xorg-server": {},
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"xprop": {},
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"xrandr": {},
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"xrdb": {},
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"xset": {},
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"xshmfence": {},
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"xterm": {},
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"xtrans": {},
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"xwayland": {},
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"xz-utils": {},
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"zip": {},
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"zsh": {},
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"zstd": {},
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}
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// renames maps Arch Linux package names to their Zeta counterparts. Sources
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// are Arch's canonical (lowercase) spelling; targets are the verbatim names
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// in zetapkgs. The libX* entries are pure case fixes (Arch spells the X11
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// family lowercase); libxcb and friends are already correct in Zeta and
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// deliberately absent.
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var renames = map[string]string{
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"zlib": "libz",
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"xz": "xz-utils",
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"freetype2": "freetype",
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"libxkbcommon": "xkbcommon",
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"libice": "libICE",
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"libsm": "libSM",
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"libx11": "libX11",
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"libxau": "libXau",
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"libxaw": "libXaw",
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"libxcomposite": "libXcomposite",
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"libxcursor": "libXcursor",
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"libxdamage": "libXdamage",
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"libxdmcp": "libXdmcp",
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"libxext": "libXext",
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"libxfixes": "libXfixes",
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"libxfont2": "libXfont2",
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"libxft": "libXft",
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"libxi": "libXi",
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"libxinerama": "libXinerama",
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"libxkbfile": "libXkbfile",
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"libxmu": "libXmu",
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"libxpm": "libXpm",
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"libxpresent": "libXpresent",
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"libxrandr": "libXrandr",
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"libxrender": "libXrender",
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"libxres": "libXres",
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"libxt": "libXt",
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"libxtst": "libXtst",
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"libxvmc": "libXvMC",
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"libxxf86vm": "libXxf86vm",
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}
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// dropped lists Arch base-system packages that Zeta provides outside the
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// package manager and therefore has no package for (mirroring the dbus and
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// libudev stubs in the index).
|
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var dropped = map[string]struct{}{
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"glibc": {},
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"gcc-libs": {},
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"gcc": {},
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"bash": {},
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"coreutils": {},
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"filesystem": {},
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"linux-api-headers": {},
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"systemd": {},
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"util-linux": {},
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"ncurses": {},
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"readline": {},
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"tzdata": {},
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"ca-certificates": {},
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}
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