mirror of
https://github.com/mudler/luet.git
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119 lines
3.3 KiB
Go
119 lines
3.3 KiB
Go
// Copyright © 2019 Ettore Di Giacinto <mudler@gentoo.org>
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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 2 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 along
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// with this program; if not, see <http://www.gnu.org/licenses/>.
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// InstallerRecipe is a builder imeplementation.
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// It reads a Tree and spit it in human readable form (YAML), called recipe,
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// It also loads a tree (recipe) from a YAML (to a db, e.g. BoltDB), allowing to query it
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// with the solver, using the package object.
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package tree
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/mudler/luet/pkg/api/core/template"
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"github.com/mudler/luet/pkg/api/core/types"
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fileHelper "github.com/mudler/luet/pkg/helpers/file"
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"github.com/pkg/errors"
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)
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const (
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FinalizerFile = "finalize.yaml"
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)
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var DefaultInstallerParsers = []FileParser{
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RuntimeCollectionParser,
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RuntimeDefinitionParser,
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}
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func NewInstallerRecipe(db types.PackageDatabase, fp ...FileParser) Builder {
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if len(fp) == 0 {
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fp = DefaultInstallerParsers
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}
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return &InstallerRecipe{Database: db, fileParsers: fp}
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}
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// InstallerRecipe is the "general" reciper for Trees
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type InstallerRecipe struct {
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SourcePath []string
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Database types.PackageDatabase
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fileParsers []FileParser
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}
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func (r *InstallerRecipe) Save(path string) error {
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for _, p := range r.Database.World() {
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dir := filepath.Join(path, p.GetCategory(), p.GetName(), p.GetVersion())
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os.MkdirAll(dir, os.ModePerm)
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data, err := p.Yaml()
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if err != nil {
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return err
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}
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err = os.WriteFile(filepath.Join(dir, types.PackageDefinitionFile), data, 0644)
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if err != nil {
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return err
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}
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// Instead of rdeps, have a different tree for build deps.
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finalizerPath := p.Rel(FinalizerFile)
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if fileHelper.Exists(finalizerPath) { // copy finalizer file from the source tree
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fileHelper.CopyFile(finalizerPath, filepath.Join(dir, FinalizerFile))
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}
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}
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return nil
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}
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func (r *InstallerRecipe) Load(path string) error {
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if !fileHelper.Exists(path) {
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return errors.New(fmt.Sprintf(
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"Path %s doesn't exit.", path,
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))
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}
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r.SourcePath = append(r.SourcePath, path)
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c, err := template.FilesInDir(template.FindPossibleTemplatesDir(path))
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if err != nil {
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return err
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}
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//r.Tree().SetPackageSet(pkg.NewBoltDatabase(tmpfile.Name()))
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// TODO: Handle cleaning after? Cleanup implemented in GetPackageSet().Clean()
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// the function that handles each file or dir
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var ff = func(currentpath string, info os.FileInfo, err error) error {
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for _, p := range r.fileParsers {
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if err := p(path, currentpath, info.Name(), c, r.Database); err != nil {
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return err
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}
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}
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return nil
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}
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err = filepath.Walk(path, ff)
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if err != nil {
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return err
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}
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return nil
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}
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func (r *InstallerRecipe) GetDatabase() types.PackageDatabase { return r.Database }
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func (r *InstallerRecipe) WithDatabase(d types.PackageDatabase) { r.Database = d }
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func (r *InstallerRecipe) GetSourcePath() []string { return r.SourcePath }
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