Abstract hash function usage (#28138)

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
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
122 changed files with 947 additions and 594 deletions

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@ -21,13 +21,13 @@ import (
// Commit represents a git commit.
type Commit struct {
Tree
ID SHA1 // The ID of this commit object
ID ObjectID // The ID of this commit object
Author *Signature
Committer *Signature
CommitMessage string
Signature *CommitGPGSignature
Parents []SHA1 // SHA1 strings
Parents []ObjectID // ID strings
submoduleCache *ObjectCache
}
@ -50,9 +50,9 @@ func (c *Commit) Summary() string {
// ParentID returns oid of n-th parent (0-based index).
// It returns nil if no such parent exists.
func (c *Commit) ParentID(n int) (SHA1, error) {
func (c *Commit) ParentID(n int) (ObjectID, error) {
if n >= len(c.Parents) {
return SHA1{}, ErrNotExist{"", ""}
return nil, ErrNotExist{"", ""}
}
return c.Parents[n], nil
}
@ -209,9 +209,9 @@ func (c *Commit) CommitsBefore() ([]*Commit, error) {
}
// HasPreviousCommit returns true if a given commitHash is contained in commit's parents
func (c *Commit) HasPreviousCommit(commitHash SHA1) (bool, error) {
func (c *Commit) HasPreviousCommit(objectID ObjectID) (bool, error) {
this := c.ID.String()
that := commitHash.String()
that := objectID.String()
if this == that {
return false, nil
@ -232,9 +232,14 @@ func (c *Commit) HasPreviousCommit(commitHash SHA1) (bool, error) {
// IsForcePush returns true if a push from oldCommitHash to this is a force push
func (c *Commit) IsForcePush(oldCommitID string) (bool, error) {
if oldCommitID == EmptySHA {
objectFormat, err := c.repo.GetObjectFormat()
if err != nil {
return false, err
}
if oldCommitID == objectFormat.Empty().String() {
return false, nil
}
oldCommit, err := c.repo.GetCommit(oldCommitID)
if err != nil {
return false, err