mirror of
https://codeberg.org/forgejo/forgejo
synced 2024-11-24 10:46:10 +01:00
cbf923e87b
Refactor Hash interfaces and centralize hash function. This will allow easier introduction of different hash function later on. This forms the "no-op" part of the SHA256 enablement patch.
109 lines
3.1 KiB
Go
109 lines
3.1 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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//go:build gogit
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package git
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import (
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"strings"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/plumbing/hash"
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"github.com/go-git/go-git/v5/plumbing/object"
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)
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// GetRefCommitID returns the last commit ID string of given reference (branch or tag).
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func (repo *Repository) GetRefCommitID(name string) (string, error) {
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ref, err := repo.gogitRepo.Reference(plumbing.ReferenceName(name), true)
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if err != nil {
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if err == plumbing.ErrReferenceNotFound {
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return "", ErrNotExist{
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ID: name,
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}
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}
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return "", err
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}
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return ref.Hash().String(), nil
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}
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// SetReference sets the commit ID string of given reference (e.g. branch or tag).
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func (repo *Repository) SetReference(name, commitID string) error {
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return repo.gogitRepo.Storer.SetReference(plumbing.NewReferenceFromStrings(name, commitID))
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}
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// RemoveReference removes the given reference (e.g. branch or tag).
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func (repo *Repository) RemoveReference(name string) error {
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return repo.gogitRepo.Storer.RemoveReference(plumbing.ReferenceName(name))
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}
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// ConvertToHash returns a Hash object from a potential ID string
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func (repo *Repository) ConvertToGitID(commitID string) (ObjectID, error) {
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objectFormat := repo.objectFormat
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if len(commitID) == hash.HexSize && objectFormat.IsValid(commitID) {
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ID, err := objectFormat.NewIDFromString(commitID)
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if err == nil {
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return ID, nil
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}
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}
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actualCommitID, _, err := NewCommand(repo.Ctx, "rev-parse", "--verify").AddDynamicArguments(commitID).RunStdString(&RunOpts{Dir: repo.Path})
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actualCommitID = strings.TrimSpace(actualCommitID)
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if err != nil {
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if strings.Contains(err.Error(), "unknown revision or path") ||
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strings.Contains(err.Error(), "fatal: Needed a single revision") {
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return objectFormat.Empty(), ErrNotExist{commitID, ""}
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}
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return objectFormat.Empty(), err
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}
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return objectFormat.NewIDFromString(actualCommitID)
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}
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// IsCommitExist returns true if given commit exists in current repository.
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func (repo *Repository) IsCommitExist(name string) bool {
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hash, err := repo.ConvertToGitID(name)
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if err != nil {
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return false
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}
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_, err = repo.gogitRepo.CommitObject(plumbing.Hash(hash.RawValue()))
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return err == nil
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}
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func (repo *Repository) getCommit(id ObjectID) (*Commit, error) {
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var tagObject *object.Tag
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commitID := plumbing.Hash(id.RawValue())
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gogitCommit, err := repo.gogitRepo.CommitObject(commitID)
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if err == plumbing.ErrObjectNotFound {
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tagObject, err = repo.gogitRepo.TagObject(commitID)
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if err == plumbing.ErrObjectNotFound {
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return nil, ErrNotExist{
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ID: id.String(),
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}
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}
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if err == nil {
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gogitCommit, err = repo.gogitRepo.CommitObject(tagObject.Target)
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}
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// if we get a plumbing.ErrObjectNotFound here then the repository is broken and it should be 500
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}
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if err != nil {
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return nil, err
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}
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commit := convertCommit(gogitCommit)
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commit.repo = repo
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tree, err := gogitCommit.Tree()
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if err != nil {
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return nil, err
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}
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commit.Tree.ID = ParseGogitHash(tree.Hash)
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commit.Tree.gogitTree = tree
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return commit, nil
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}
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