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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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19
modules/git/repo_index.go
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@ -16,7 +16,12 @@ import (
// ReadTreeToIndex reads a treeish to the index
func (repo *Repository) ReadTreeToIndex(treeish string, indexFilename ...string) error {
if len(treeish) != SHAFullLength {
objectFormat, err := repo.GetObjectFormat()
if err != nil {
return err
}
if len(treeish) != objectFormat.FullLength() {
res, _, err := NewCommand(repo.Ctx, "rev-parse", "--verify").AddDynamicArguments(treeish).RunStdString(&RunOpts{Dir: repo.Path})
if err != nil {
return err
@ -25,14 +30,14 @@ func (repo *Repository) ReadTreeToIndex(treeish string, indexFilename ...string)
treeish = res[:len(res)-1]
}
}
id, err := NewIDFromString(treeish)
id, err := objectFormat.NewIDFromString(treeish)
if err != nil {
return err
}
return repo.readTreeToIndex(id, indexFilename...)
}
func (repo *Repository) readTreeToIndex(id SHA1, indexFilename ...string) error {
func (repo *Repository) readTreeToIndex(id ObjectID, indexFilename ...string) error {
var env []string
if len(indexFilename) > 0 {
env = append(os.Environ(), "GIT_INDEX_FILE="+indexFilename[0])
@ -95,7 +100,9 @@ func (repo *Repository) RemoveFilesFromIndex(filenames ...string) error {
buffer := new(bytes.Buffer)
for _, file := range filenames {
if file != "" {
buffer.WriteString("0 0000000000000000000000000000000000000000\t")
buffer.WriteString("0 ")
buffer.WriteString(repo.objectFormat.Empty().String())
buffer.WriteByte('\t')
buffer.WriteString(file)
buffer.WriteByte('\000')
}
@ -109,7 +116,7 @@ func (repo *Repository) RemoveFilesFromIndex(filenames ...string) error {
}
// AddObjectToIndex adds the provided object hash to the index at the provided filename
func (repo *Repository) AddObjectToIndex(mode string, object SHA1, filename string) error {
func (repo *Repository) AddObjectToIndex(mode string, object ObjectID, filename string) error {
cmd := NewCommand(repo.Ctx, "update-index", "--add", "--replace", "--cacheinfo").AddDynamicArguments(mode, object.String(), filename)
_, _, err := cmd.RunStdString(&RunOpts{Dir: repo.Path})
return err
@ -121,7 +128,7 @@ func (repo *Repository) WriteTree() (*Tree, error) {
if runErr != nil {
return nil, runErr
}
id, err := NewIDFromString(strings.TrimSpace(stdout))
id, err := repo.objectFormat.NewIDFromString(strings.TrimSpace(stdout))
if err != nil {
return nil, err
}