267 lines
6.5 KiB
Go
267 lines
6.5 KiB
Go
// ALR - Any Linux Repository
|
|
// Copyright (C) 2025 The ALR Authors
|
|
//
|
|
// 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 3 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 repos
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"path/filepath"
|
|
"reflect"
|
|
"strings"
|
|
|
|
"github.com/go-git/go-git/v5"
|
|
"github.com/go-git/go-git/v5/plumbing"
|
|
"github.com/go-git/go-git/v5/plumbing/format/diff"
|
|
"github.com/go-git/go-git/v5/plumbing/transport"
|
|
"github.com/go-git/go-git/v5/plumbing/transport/client"
|
|
|
|
"mvdan.cc/sh/v3/interp"
|
|
"mvdan.cc/sh/v3/syntax"
|
|
|
|
"gitea.plemya-x.ru/Plemya-x/ALR/internal/db"
|
|
"gitea.plemya-x.ru/Plemya-x/ALR/internal/parser"
|
|
"gitea.plemya-x.ru/Plemya-x/ALR/internal/shutils/decoder"
|
|
"gitea.plemya-x.ru/Plemya-x/ALR/pkg/distro"
|
|
"gitea.plemya-x.ru/Plemya-x/ALR/pkg/types"
|
|
)
|
|
|
|
// isValid makes sure the path of the file being updated is valid.
|
|
// It checks to make sure the file is not within a nested directory
|
|
// and that it is called alr.sh.
|
|
func isValid(from, to diff.File) bool {
|
|
var path string
|
|
if from != nil {
|
|
path = from.Path()
|
|
}
|
|
if to != nil {
|
|
path = to.Path()
|
|
}
|
|
|
|
match, _ := filepath.Match("*/*.sh", path)
|
|
return match
|
|
}
|
|
|
|
func parseScript(
|
|
ctx context.Context,
|
|
repo types.Repo,
|
|
syntaxParser *syntax.Parser,
|
|
runner *interp.Runner,
|
|
r io.ReadCloser,
|
|
) ([]*db.Package, error) {
|
|
fl, err := syntaxParser.Parse(r, "alr.sh")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
runner.Reset()
|
|
err = runner.Run(ctx, fl)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
d := decoder.New(&distro.OSRelease{}, runner)
|
|
d.Overrides = false
|
|
d.LikeDistros = false
|
|
|
|
pkgNames, err := parser.ParseNames(d)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed parsing package names: %w", err)
|
|
}
|
|
|
|
if len(pkgNames.Names) == 0 {
|
|
return nil, errors.New("package name is missing")
|
|
}
|
|
|
|
var dbPkgs []*db.Package
|
|
|
|
if len(pkgNames.Names) > 1 {
|
|
if pkgNames.BasePkgName == "" {
|
|
pkgNames.BasePkgName = pkgNames.Names[0]
|
|
}
|
|
for _, pkgName := range pkgNames.Names {
|
|
pkgInfo := PackageInfo{}
|
|
funcName := fmt.Sprintf("meta_%s", pkgName)
|
|
runner.Reset()
|
|
err = runner.Run(ctx, fl)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
meta, ok := d.GetFuncWithSubshell(funcName)
|
|
if !ok {
|
|
return nil, fmt.Errorf("func %s is missing", funcName)
|
|
}
|
|
r, err := meta(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
d := decoder.New(&distro.OSRelease{}, r)
|
|
d.Overrides = false
|
|
d.LikeDistros = false
|
|
err = d.DecodeVars(&pkgInfo)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
pkg := pkgInfo.ToPackage(repo.Name)
|
|
resolveOverrides(r, pkg)
|
|
pkg.Name = pkgName
|
|
pkg.BasePkgName = pkgNames.BasePkgName
|
|
dbPkgs = append(dbPkgs, pkg)
|
|
}
|
|
|
|
return dbPkgs, nil
|
|
}
|
|
|
|
pkg := EmptyPackage(repo.Name)
|
|
err = d.DecodeVars(pkg)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resolveOverrides(runner, pkg)
|
|
dbPkgs = append(dbPkgs, pkg)
|
|
|
|
return dbPkgs, nil
|
|
}
|
|
|
|
type PackageInfo struct {
|
|
Version string `sh:"version,required"`
|
|
Release int `sh:"release,required"`
|
|
Epoch uint `sh:"epoch"`
|
|
Architectures db.JSON[[]string] `sh:"architectures"`
|
|
Licenses db.JSON[[]string] `sh:"license"`
|
|
Provides db.JSON[[]string] `sh:"provides"`
|
|
Conflicts db.JSON[[]string] `sh:"conflicts"`
|
|
Replaces db.JSON[[]string] `sh:"replaces"`
|
|
}
|
|
|
|
func (inf *PackageInfo) ToPackage(repoName string) *db.Package {
|
|
pkg := EmptyPackage(repoName)
|
|
pkg.Version = inf.Version
|
|
pkg.Release = inf.Release
|
|
pkg.Epoch = inf.Epoch
|
|
pkg.Architectures = inf.Architectures
|
|
pkg.Licenses = inf.Licenses
|
|
pkg.Provides = inf.Provides
|
|
pkg.Conflicts = inf.Conflicts
|
|
pkg.Replaces = inf.Replaces
|
|
return pkg
|
|
}
|
|
|
|
func EmptyPackage(repoName string) *db.Package {
|
|
return &db.Package{
|
|
Group: db.NewJSON(map[string]string{}),
|
|
Summary: db.NewJSON(map[string]string{}),
|
|
Description: db.NewJSON(map[string]string{}),
|
|
Homepage: db.NewJSON(map[string]string{}),
|
|
Maintainer: db.NewJSON(map[string]string{}),
|
|
Depends: db.NewJSON(map[string][]string{}),
|
|
BuildDepends: db.NewJSON(map[string][]string{}),
|
|
Repository: repoName,
|
|
}
|
|
}
|
|
|
|
var overridable = map[string]string{
|
|
"deps": "Depends",
|
|
"build_deps": "BuildDepends",
|
|
"desc": "Description",
|
|
"homepage": "Homepage",
|
|
"maintainer": "Maintainer",
|
|
"group": "Group",
|
|
"summary": "Summary",
|
|
}
|
|
|
|
func resolveOverrides(runner *interp.Runner, pkg *db.Package) {
|
|
pkgVal := reflect.ValueOf(pkg).Elem()
|
|
for name, val := range runner.Vars {
|
|
for prefix, field := range overridable {
|
|
if strings.HasPrefix(name, prefix) {
|
|
override := strings.TrimPrefix(name, prefix)
|
|
override = strings.TrimPrefix(override, "_")
|
|
|
|
field := pkgVal.FieldByName(field)
|
|
varVal := field.FieldByName("Val")
|
|
varType := varVal.Type()
|
|
|
|
switch varType.Elem().String() {
|
|
case "[]string":
|
|
varVal.SetMapIndex(reflect.ValueOf(override), reflect.ValueOf(val.List))
|
|
case "string":
|
|
varVal.SetMapIndex(reflect.ValueOf(override), reflect.ValueOf(val.Str))
|
|
}
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func getHeadReference(r *git.Repository) (plumbing.ReferenceName, error) {
|
|
remote, err := r.Remote(git.DefaultRemoteName)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
endpoint, err := transport.NewEndpoint(remote.Config().URLs[0])
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
gitClient, err := client.NewClient(endpoint)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
session, err := gitClient.NewUploadPackSession(endpoint, nil)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
info, err := session.AdvertisedReferences()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
refs, err := info.AllReferences()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return refs["HEAD"].Target(), nil
|
|
}
|
|
|
|
func resolveHash(r *git.Repository, ref string) (*plumbing.Hash, error) {
|
|
var err error
|
|
|
|
if ref == "" {
|
|
reference, err := getHeadReference(r)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to get head reference %w", err)
|
|
}
|
|
ref = reference.Short()
|
|
}
|
|
|
|
hsh, err := r.ResolveRevision(git.DefaultRemoteName + "/" + plumbing.Revision(ref))
|
|
if err != nil {
|
|
hsh, err = r.ResolveRevision(plumbing.Revision(ref))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return hsh, nil
|
|
}
|