mirror of
https://github.com/mudler/luet.git
synced 2025-06-30 09:12:15 +00:00
93 lines
2.8 KiB
Go
93 lines
2.8 KiB
Go
// Copyright © 2019 Ettore Di Giacinto <mudler@gentoo.org>
|
|
//
|
|
// 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; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// 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 <http://www.gnu.org/licenses/>.
|
|
|
|
package gentoo
|
|
|
|
// NOTE: Look here as an example of the builder definition executor
|
|
// https://gist.github.com/adnaan/6ca68c7985c6f851def3
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"regexp"
|
|
"strings"
|
|
|
|
pkg "github.com/mudler/luet/pkg/package"
|
|
"mvdan.cc/sh/expand"
|
|
"mvdan.cc/sh/shell"
|
|
"mvdan.cc/sh/syntax"
|
|
)
|
|
|
|
// SimpleEbuildParser ignores USE flags and generates just 1-1 package
|
|
type SimpleEbuildParser struct {
|
|
World pkg.PackageDatabase
|
|
}
|
|
|
|
func SourceFile(ctx context.Context, path string) (map[string]expand.Variable, error) {
|
|
f, err := os.Open(path)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("could not open: %v", err)
|
|
}
|
|
defer f.Close()
|
|
file, err := syntax.NewParser(syntax.StopAt("src")).Parse(f, path)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("could not parse: %v", err)
|
|
}
|
|
return shell.SourceNode(ctx, file)
|
|
}
|
|
|
|
// ScanEbuild returns a list of packages (always one with SimpleEbuildParser) decoded from an ebuild.
|
|
func (ep *SimpleEbuildParser) ScanEbuild(path string) ([]pkg.Package, error) {
|
|
|
|
file := filepath.Base(path)
|
|
file = strings.Replace(file, ".ebuild", "", -1)
|
|
|
|
decodepackage, err := regexp.Compile(`^([<>]?=?)((([^\/]+)\/)?(?U)(\S+))(-(\d+(\.\d+)*[a-z]?(_(alpha|beta|pre|rc|p)\d*)*(-r\d+)?))?$`)
|
|
if err != nil {
|
|
return []pkg.Package{}, errors.New("Invalid regex")
|
|
|
|
}
|
|
packageInfo := decodepackage.FindAllStringSubmatch(file, -1)
|
|
if len(packageInfo) != 1 || len(packageInfo[0]) != 12 {
|
|
return []pkg.Package{}, errors.New("Failed decoding ebuild: " + path)
|
|
}
|
|
|
|
vars, err := SourceFile(context.TODO(), path)
|
|
if err != nil {
|
|
// return []pkg.Package{}, err
|
|
}
|
|
//fmt.Println("Scanning", path)
|
|
//fmt.Println(vars)
|
|
pack := &pkg.DefaultPackage{Name: packageInfo[0][2], Version: packageInfo[0][7]}
|
|
rdepend, ok := vars["RDEPEND"]
|
|
if ok {
|
|
rdepends := strings.Split(rdepend.String(), "\n")
|
|
|
|
pack.PackageRequires = []*pkg.DefaultPackage{}
|
|
for _, rr := range rdepends {
|
|
|
|
//TODO: Resolve to db or create a new one.
|
|
pack.PackageRequires = append(pack.PackageRequires, &pkg.DefaultPackage{Name: rr})
|
|
}
|
|
|
|
}
|
|
|
|
//TODO: Deps and conflicts
|
|
return []pkg.Package{pack}, nil
|
|
}
|