refactor: move pkg/ to internal/ and update imports
Restructure project by relocating package contents from pkg/ to internal/ to better reflect internal-only usage. This commit is initial step to prepare project for public api
This commit is contained in:
266
internal/repos/utils.go
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266
internal/repos/utils.go
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@@ -0,0 +1,266 @@
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// ALR - Any Linux Repository
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// Copyright (C) 2025 The ALR Authors
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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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package repos
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"path/filepath"
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"reflect"
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"strings"
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"github.com/go-git/go-git/v5"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/plumbing/format/diff"
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"github.com/go-git/go-git/v5/plumbing/transport"
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"github.com/go-git/go-git/v5/plumbing/transport/client"
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"mvdan.cc/sh/v3/interp"
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"mvdan.cc/sh/v3/syntax"
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"gitea.plemya-x.ru/Plemya-x/ALR/internal/db"
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"gitea.plemya-x.ru/Plemya-x/ALR/internal/distro"
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"gitea.plemya-x.ru/Plemya-x/ALR/internal/parser"
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"gitea.plemya-x.ru/Plemya-x/ALR/internal/shutils/decoder"
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"gitea.plemya-x.ru/Plemya-x/ALR/internal/types"
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)
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// isValid makes sure the path of the file being updated is valid.
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// It checks to make sure the file is not within a nested directory
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// and that it is called alr.sh.
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func isValid(from, to diff.File) bool {
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var path string
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if from != nil {
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path = from.Path()
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}
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if to != nil {
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path = to.Path()
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}
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match, _ := filepath.Match("*/*.sh", path)
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return match
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}
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func parseScript(
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ctx context.Context,
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repo types.Repo,
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syntaxParser *syntax.Parser,
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runner *interp.Runner,
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r io.ReadCloser,
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) ([]*db.Package, error) {
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fl, err := syntaxParser.Parse(r, "alr.sh")
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if err != nil {
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return nil, err
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}
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runner.Reset()
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err = runner.Run(ctx, fl)
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if err != nil {
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return nil, err
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}
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d := decoder.New(&distro.OSRelease{}, runner)
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d.Overrides = false
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d.LikeDistros = false
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pkgNames, err := parser.ParseNames(d)
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if err != nil {
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return nil, fmt.Errorf("failed parsing package names: %w", err)
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}
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if len(pkgNames.Names) == 0 {
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return nil, errors.New("package name is missing")
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}
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var dbPkgs []*db.Package
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if len(pkgNames.Names) > 1 {
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if pkgNames.BasePkgName == "" {
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pkgNames.BasePkgName = pkgNames.Names[0]
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}
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for _, pkgName := range pkgNames.Names {
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pkgInfo := PackageInfo{}
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funcName := fmt.Sprintf("meta_%s", pkgName)
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runner.Reset()
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err = runner.Run(ctx, fl)
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if err != nil {
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return nil, err
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}
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meta, ok := d.GetFuncWithSubshell(funcName)
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if !ok {
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return nil, fmt.Errorf("func %s is missing", funcName)
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}
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r, err := meta(ctx)
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if err != nil {
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return nil, err
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}
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d := decoder.New(&distro.OSRelease{}, r)
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d.Overrides = false
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d.LikeDistros = false
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err = d.DecodeVars(&pkgInfo)
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if err != nil {
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return nil, err
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}
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pkg := pkgInfo.ToPackage(repo.Name)
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resolveOverrides(r, pkg)
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pkg.Name = pkgName
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pkg.BasePkgName = pkgNames.BasePkgName
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dbPkgs = append(dbPkgs, pkg)
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}
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return dbPkgs, nil
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}
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pkg := EmptyPackage(repo.Name)
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err = d.DecodeVars(pkg)
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if err != nil {
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return nil, err
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}
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resolveOverrides(runner, pkg)
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dbPkgs = append(dbPkgs, pkg)
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return dbPkgs, nil
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}
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type PackageInfo struct {
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Version string `sh:"version,required"`
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Release int `sh:"release,required"`
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Epoch uint `sh:"epoch"`
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Architectures db.JSON[[]string] `sh:"architectures"`
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Licenses db.JSON[[]string] `sh:"license"`
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Provides db.JSON[[]string] `sh:"provides"`
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Conflicts db.JSON[[]string] `sh:"conflicts"`
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Replaces db.JSON[[]string] `sh:"replaces"`
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}
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func (inf *PackageInfo) ToPackage(repoName string) *db.Package {
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pkg := EmptyPackage(repoName)
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pkg.Version = inf.Version
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pkg.Release = inf.Release
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pkg.Epoch = inf.Epoch
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pkg.Architectures = inf.Architectures
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pkg.Licenses = inf.Licenses
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pkg.Provides = inf.Provides
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pkg.Conflicts = inf.Conflicts
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pkg.Replaces = inf.Replaces
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return pkg
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}
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func EmptyPackage(repoName string) *db.Package {
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return &db.Package{
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Group: db.NewJSON(map[string]string{}),
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Summary: db.NewJSON(map[string]string{}),
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Description: db.NewJSON(map[string]string{}),
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Homepage: db.NewJSON(map[string]string{}),
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Maintainer: db.NewJSON(map[string]string{}),
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Depends: db.NewJSON(map[string][]string{}),
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BuildDepends: db.NewJSON(map[string][]string{}),
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Repository: repoName,
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}
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}
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var overridable = map[string]string{
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"deps": "Depends",
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"build_deps": "BuildDepends",
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"desc": "Description",
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"homepage": "Homepage",
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"maintainer": "Maintainer",
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"group": "Group",
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"summary": "Summary",
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}
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func resolveOverrides(runner *interp.Runner, pkg *db.Package) {
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pkgVal := reflect.ValueOf(pkg).Elem()
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for name, val := range runner.Vars {
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for prefix, field := range overridable {
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if strings.HasPrefix(name, prefix) {
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override := strings.TrimPrefix(name, prefix)
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override = strings.TrimPrefix(override, "_")
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field := pkgVal.FieldByName(field)
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varVal := field.FieldByName("Val")
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varType := varVal.Type()
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switch varType.Elem().String() {
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case "[]string":
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varVal.SetMapIndex(reflect.ValueOf(override), reflect.ValueOf(val.List))
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case "string":
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varVal.SetMapIndex(reflect.ValueOf(override), reflect.ValueOf(val.Str))
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}
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break
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}
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}
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}
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}
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func getHeadReference(r *git.Repository) (plumbing.ReferenceName, error) {
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remote, err := r.Remote(git.DefaultRemoteName)
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if err != nil {
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return "", err
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}
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endpoint, err := transport.NewEndpoint(remote.Config().URLs[0])
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if err != nil {
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return "", err
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}
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gitClient, err := client.NewClient(endpoint)
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if err != nil {
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return "", err
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}
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session, err := gitClient.NewUploadPackSession(endpoint, nil)
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if err != nil {
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return "", err
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}
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info, err := session.AdvertisedReferences()
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if err != nil {
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return "", err
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}
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refs, err := info.AllReferences()
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if err != nil {
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return "", err
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}
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return refs["HEAD"].Target(), nil
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}
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func resolveHash(r *git.Repository, ref string) (*plumbing.Hash, error) {
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var err error
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if ref == "" {
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reference, err := getHeadReference(r)
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if err != nil {
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return nil, fmt.Errorf("failed to get head reference %w", err)
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}
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ref = reference.Short()
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}
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hsh, err := r.ResolveRevision(git.DefaultRemoteName + "/" + plumbing.Revision(ref))
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if err != nil {
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hsh, err = r.ResolveRevision(plumbing.Revision(ref))
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if err != nil {
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return nil, err
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}
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}
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return hsh, nil
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}
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