Initial commit
This commit is contained in:
223
internal/overrides/overrides.go
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223
internal/overrides/overrides.go
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/*
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* LURE - Linux User REpository
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* Copyright (C) 2023 Elara Musayelyan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package overrides
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import (
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"reflect"
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"strings"
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"lure.sh/lure/internal/cpu"
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"lure.sh/lure/internal/db"
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"lure.sh/lure/pkg/distro"
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"golang.org/x/exp/slices"
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"golang.org/x/text/language"
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)
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type Opts struct {
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Name string
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Overrides bool
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LikeDistros bool
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Languages []string
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LanguageTags []language.Tag
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}
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var DefaultOpts = &Opts{
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Overrides: true,
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LikeDistros: true,
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Languages: []string{"en"},
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}
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// Resolve generates a slice of possible override names in the order that they should be checked
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func Resolve(info *distro.OSRelease, opts *Opts) ([]string, error) {
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if opts == nil {
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opts = DefaultOpts
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}
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if !opts.Overrides {
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return []string{opts.Name}, nil
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}
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langs, err := parseLangs(opts.Languages, opts.LanguageTags)
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if err != nil {
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return nil, err
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}
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architectures, err := cpu.CompatibleArches(cpu.Arch())
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if err != nil {
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return nil, err
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}
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distros := []string{info.ID}
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if opts.LikeDistros {
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distros = append(distros, info.Like...)
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}
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var out []string
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for _, lang := range langs {
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for _, distro := range distros {
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for _, arch := range architectures {
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out = append(out, opts.Name+"_"+arch+"_"+distro+"_"+lang)
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}
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out = append(out, opts.Name+"_"+distro+"_"+lang)
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}
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for _, arch := range architectures {
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out = append(out, opts.Name+"_"+arch+"_"+lang)
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}
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out = append(out, opts.Name+"_"+lang)
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}
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for _, distro := range distros {
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for _, arch := range architectures {
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out = append(out, opts.Name+"_"+arch+"_"+distro)
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}
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out = append(out, opts.Name+"_"+distro)
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}
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for _, arch := range architectures {
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out = append(out, opts.Name+"_"+arch)
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}
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out = append(out, opts.Name)
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for index, item := range out {
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out[index] = strings.TrimPrefix(strings.ReplaceAll(item, "-", "_"), "_")
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}
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return out, nil
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}
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func (o *Opts) WithName(name string) *Opts {
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out := &Opts{}
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*out = *o
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out.Name = name
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return out
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}
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func (o *Opts) WithOverrides(v bool) *Opts {
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out := &Opts{}
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*out = *o
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out.Overrides = v
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return out
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}
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func (o *Opts) WithLikeDistros(v bool) *Opts {
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out := &Opts{}
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*out = *o
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out.LikeDistros = v
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return out
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}
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func (o *Opts) WithLanguages(langs []string) *Opts {
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out := &Opts{}
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*out = *o
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out.Languages = langs
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return out
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}
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func (o *Opts) WithLanguageTags(langs []string) *Opts {
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out := &Opts{}
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*out = *o
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out.Languages = langs
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return out
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}
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// ResolvedPackage is a LURE package after its overrides
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// have been resolved
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type ResolvedPackage struct {
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Name string `sh:"name"`
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Version string `sh:"version"`
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Release int `sh:"release"`
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Epoch uint `sh:"epoch"`
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Description string `db:"description"`
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Homepage string `db:"homepage"`
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Maintainer string `db:"maintainer"`
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Architectures []string `sh:"architectures"`
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Licenses []string `sh:"license"`
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Provides []string `sh:"provides"`
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Conflicts []string `sh:"conflicts"`
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Replaces []string `sh:"replaces"`
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Depends []string `sh:"deps"`
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BuildDepends []string `sh:"build_deps"`
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OptDepends []string `sh:"opt_deps"`
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}
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func ResolvePackage(pkg *db.Package, overrides []string) *ResolvedPackage {
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out := &ResolvedPackage{}
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outVal := reflect.ValueOf(out).Elem()
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pkgVal := reflect.ValueOf(pkg).Elem()
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for i := 0; i < outVal.NumField(); i++ {
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fieldVal := outVal.Field(i)
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fieldType := fieldVal.Type()
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pkgFieldVal := pkgVal.FieldByName(outVal.Type().Field(i).Name)
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pkgFieldType := pkgFieldVal.Type()
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if strings.HasPrefix(pkgFieldType.String(), "db.JSON") {
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pkgFieldVal = pkgFieldVal.FieldByName("Val")
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pkgFieldType = pkgFieldVal.Type()
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}
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if pkgFieldType.AssignableTo(fieldType) {
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fieldVal.Set(pkgFieldVal)
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continue
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}
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if pkgFieldVal.Kind() == reflect.Map && pkgFieldType.Elem().AssignableTo(fieldType) {
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for _, override := range overrides {
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overrideVal := pkgFieldVal.MapIndex(reflect.ValueOf(override))
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if !overrideVal.IsValid() {
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continue
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}
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fieldVal.Set(overrideVal)
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break
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}
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}
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}
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return out
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}
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func parseLangs(langs []string, tags []language.Tag) ([]string, error) {
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out := make([]string, len(tags)+len(langs))
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for i, tag := range tags {
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base, _ := tag.Base()
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out[i] = base.String()
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}
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for i, lang := range langs {
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tag, err := language.Parse(lang)
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if err != nil {
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return nil, err
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}
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base, _ := tag.Base()
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out[len(tags)+i] = base.String()
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}
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slices.Sort(out)
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out = slices.Compact(out)
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return out, nil
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}
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195
internal/overrides/overrides_test.go
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195
internal/overrides/overrides_test.go
Normal file
@ -0,0 +1,195 @@
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/*
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* LURE - Linux User REpository
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* Copyright (C) 2023 Elara Musayelyan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package overrides_test
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import (
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"os"
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"reflect"
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"testing"
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"lure.sh/lure/internal/overrides"
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"lure.sh/lure/pkg/distro"
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"golang.org/x/text/language"
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)
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var info = &distro.OSRelease{
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ID: "centos",
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Like: []string{"rhel", "fedora"},
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}
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func TestResolve(t *testing.T) {
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names, err := overrides.Resolve(info, nil)
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if err != nil {
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t.Fatalf("Expected no error, got %s", err)
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}
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expected := []string{
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"amd64_centos_en",
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"centos_en",
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"amd64_rhel_en",
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"rhel_en",
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"amd64_fedora_en",
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"fedora_en",
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"amd64_en",
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"en",
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"amd64_centos",
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"centos",
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"amd64_rhel",
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"rhel",
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"amd64_fedora",
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"fedora",
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"amd64",
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"",
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}
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if !reflect.DeepEqual(names, expected) {
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t.Errorf("expected %v, got %v", expected, names)
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}
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}
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func TestResolveName(t *testing.T) {
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names, err := overrides.Resolve(info, &overrides.Opts{
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Name: "deps",
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Overrides: true,
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LikeDistros: true,
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})
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if err != nil {
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t.Fatalf("Expected no error, got %s", err)
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}
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expected := []string{
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"deps_amd64_centos",
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"deps_centos",
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"deps_amd64_rhel",
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"deps_rhel",
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"deps_amd64_fedora",
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"deps_fedora",
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"deps_amd64",
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"deps",
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}
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if !reflect.DeepEqual(names, expected) {
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t.Errorf("expected %v, got %v", expected, names)
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}
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}
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func TestResolveArch(t *testing.T) {
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os.Setenv("LURE_ARCH", "arm7")
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defer os.Setenv("LURE_ARCH", "")
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names, err := overrides.Resolve(info, &overrides.Opts{
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Name: "deps",
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Overrides: true,
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LikeDistros: true,
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})
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if err != nil {
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t.Fatalf("Expected no error, got %s", err)
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}
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expected := []string{
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"deps_arm7_centos",
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"deps_arm6_centos",
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"deps_arm5_centos",
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"deps_centos",
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"deps_arm7_rhel",
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"deps_arm6_rhel",
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"deps_arm5_rhel",
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"deps_rhel",
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"deps_arm7_fedora",
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"deps_arm6_fedora",
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"deps_arm5_fedora",
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"deps_fedora",
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"deps_arm7",
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"deps_arm6",
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"deps_arm5",
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"deps",
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}
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if !reflect.DeepEqual(names, expected) {
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t.Errorf("expected %v, got %v", expected, names)
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}
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}
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func TestResolveNoLikeDistros(t *testing.T) {
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names, err := overrides.Resolve(info, &overrides.Opts{
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Overrides: true,
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LikeDistros: false,
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})
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if err != nil {
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t.Fatalf("Expected no error, got %s", err)
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}
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expected := []string{
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"amd64_centos",
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"centos",
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"amd64",
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"",
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}
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if !reflect.DeepEqual(names, expected) {
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t.Errorf("expected %v, got %v", expected, names)
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}
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}
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func TestResolveNoOverrides(t *testing.T) {
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names, err := overrides.Resolve(info, &overrides.Opts{
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Name: "deps",
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Overrides: false,
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LikeDistros: false,
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})
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if err != nil {
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t.Fatalf("Expected no error, got %s", err)
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}
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expected := []string{"deps"}
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if !reflect.DeepEqual(names, expected) {
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t.Errorf("expected %v, got %v", expected, names)
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}
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}
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func TestResolveLangs(t *testing.T) {
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names, err := overrides.Resolve(info, &overrides.Opts{
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Overrides: true,
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Languages: []string{"ru_RU", "en", "en_US"},
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LanguageTags: []language.Tag{language.BritishEnglish},
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})
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if err != nil {
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t.Fatalf("Expected no error, got %s", err)
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}
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expected := []string{
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"amd64_centos_en",
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"centos_en",
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"amd64_en",
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"en",
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"amd64_centos_ru",
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"centos_ru",
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"amd64_ru",
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"ru",
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"amd64_centos",
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"centos",
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"amd64",
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"",
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}
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if !reflect.DeepEqual(names, expected) {
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t.Errorf("expected %v, got %v", expected, names)
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}
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}
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Reference in New Issue
Block a user