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Abstract hash function usage (#28138)

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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.
This commit is contained in:
Adam Majer 2023-12-13 21:02:00 +00:00 • committed by GitHub
parent 064f05204c
commit cbf923e87b
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GPG key ID: 4AEE18F83AFDEB23
122 changed files with 947 additions and 594 deletions
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35
modules/git/repo_commit_gogit.go
View file

@ -10,6 +10,7 @@ import (
"strings"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/hash"
"github.com/go-git/go-git/v5/plumbing/object"
)
@ -38,40 +39,46 @@ func (repo *Repository) RemoveReference(name string) error {
return repo.gogitRepo.Storer.RemoveReference(plumbing.ReferenceName(name))
}
// ConvertToSHA1 returns a Hash object from a potential ID string
func (repo *Repository) ConvertToSHA1(commitID string) (SHA1, error) {
if len(commitID) == SHAFullLength {
sha1, err := NewIDFromString(commitID)
// ConvertToHash returns a Hash object from a potential ID string
func (repo *Repository) ConvertToGitID(commitID string) (ObjectID, error) {
objectFormat := repo.objectFormat
if len(commitID) == hash.HexSize && objectFormat.IsValid(commitID) {
ID, err := objectFormat.NewIDFromString(commitID)
if err == nil {
return sha1, nil
return ID, nil
}
}
actualCommitID, _, err := NewCommand(repo.Ctx, "rev-parse", "--verify").AddDynamicArguments(commitID).RunStdString(&RunOpts{Dir: repo.Path})
actualCommitID = strings.TrimSpace(actualCommitID)
if err != nil {
if strings.Contains(err.Error(), "unknown revision or path") ||
strings.Contains(err.Error(), "fatal: Needed a single revision") {
return SHA1{}, ErrNotExist{commitID, ""}
return objectFormat.Empty(), ErrNotExist{commitID, ""}
}
return SHA1{}, err
return objectFormat.Empty(), err
}
return NewIDFromString(actualCommitID)
return objectFormat.NewIDFromString(actualCommitID)
}
// IsCommitExist returns true if given commit exists in current repository.
func (repo *Repository) IsCommitExist(name string) bool {
hash := plumbing.NewHash(name)
_, err := repo.gogitRepo.CommitObject(hash)
hash, err := repo.ConvertToGitID(name)
if err != nil {
return false
}
_, err = repo.gogitRepo.CommitObject(plumbing.Hash(hash.RawValue()))
return err == nil
}
func (repo *Repository) getCommit(id SHA1) (*Commit, error) {
func (repo *Repository) getCommit(id ObjectID) (*Commit, error) {
var tagObject *object.Tag
gogitCommit, err := repo.gogitRepo.CommitObject(id)
commitID := plumbing.Hash(id.RawValue())
gogitCommit, err := repo.gogitRepo.CommitObject(commitID)
if err == plumbing.ErrObjectNotFound {
tagObject, err = repo.gogitRepo.TagObject(id)
tagObject, err = repo.gogitRepo.TagObject(commitID)
if err == plumbing.ErrObjectNotFound {
return nil, ErrNotExist{
ID: id.String(),
@ -94,7 +101,7 @@ func (repo *Repository) getCommit(id SHA1) (*Commit, error) {
return nil, err
}
commit.Tree.ID = tree.Hash
commit.Tree.ID = ParseGogitHash(tree.Hash)
commit.Tree.gogitTree = tree
return commit, nil