mirror of
https://github.com/mudler/luet.git
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115 lines
3.2 KiB
Go
115 lines
3.2 KiB
Go
// Copyright © 2019-2022 Ettore Di Giacinto <mudler@mocaccino.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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// Recipe 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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"io/ioutil"
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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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CompilerDefinitionFile = "build.yaml"
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)
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var DefaultCompilerParsers = []FileParser{
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BuildCollectionParser,
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BuildDefinitionParser,
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}
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func NewCompilerRecipe(d types.PackageDatabase, fp ...FileParser) Builder {
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if len(fp) == 0 {
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fp = DefaultCompilerParsers
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}
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return &CompilerRecipe{Recipe: Recipe{Database: d}, fileParsers: fp}
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}
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func ReadDefinitionFile(path string) (types.Package, error) {
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empty := types.Package{}
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dat, err := ioutil.ReadFile(path)
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if err != nil {
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return empty, errors.Wrap(err, "Error reading file "+path)
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}
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pack, err := types.PackageFromYaml(dat)
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if err != nil {
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return empty, errors.Wrap(err, "Error reading yaml "+path)
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}
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return pack, nil
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}
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// Recipe is the "general" reciper for Trees
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type CompilerRecipe struct {
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fileParsers []FileParser
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Recipe
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}
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// CompilerRecipes copies tree 1:1 as they contain the specs
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// and the build context required for reproducible builds
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func (r *CompilerRecipe) Save(path string) error {
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for _, p := range r.SourcePath {
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if err := fileHelper.CopyDir(p, filepath.Join(path, filepath.Base(p))); err != nil {
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return errors.Wrap(err, "while copying source tree")
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}
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}
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return nil
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}
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func (r *CompilerRecipe) Load(path string) error {
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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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var ff = func(currentpath string, info os.FileInfo, err error) error {
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if err != nil {
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return errors.Wrap(err, "Error on walk path "+currentpath)
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}
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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 *CompilerRecipe) GetDatabase() types.PackageDatabase { return r.Database }
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func (r *CompilerRecipe) WithDatabase(d types.PackageDatabase) { r.Database = d }
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func (r *CompilerRecipe) GetSourcePath() []string { return r.SourcePath }
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