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Improve ObjectFormat interface (#28496)

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The 4 functions are duplicated, especially as interface methods. I think
we just need to keep `MustID` the only one and remove other 3.

```
MustID(b []byte) ObjectID
MustIDFromString(s string) ObjectID
NewID(b []byte) (ObjectID, error)
NewIDFromString(s string) (ObjectID, error)
```

Introduced the new interfrace method `ComputeHash` which will replace
the interface `HasherInterface`. Now we don't need to keep two
interfaces.

Reintroduced `git.NewIDFromString` and `git.MustIDFromString`. The new
function will detect the hash length to decide which objectformat of it.
If it's 40, then it's SHA1. If it's 64, then it's SHA256. This will be
right if the commitID is a full one. So the parameter should be always a
full commit id.

@AdamMajer Please review.
This commit is contained in:
Lunny Xiao
2023-12-19 15:20:47 +08:00
committed by GitHub
parent 128eac9e0b
commit 4eb2a29910
39 changed files with 109 additions and 168 deletions
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8
services/pull/patch.go
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@@ -130,8 +130,6 @@ func (e *errMergeConflict) Error() string {
func attemptMerge(ctx context.Context, file *unmergedFile, tmpBasePath string, gitRepo *git.Repository) error {
log.Trace("Attempt to merge:\n%v", file)
objectFormat, _ := gitRepo.GetObjectFormat()
switch {
case file.stage1 != nil && (file.stage2 == nil || file.stage3 == nil):
// 1. Deleted in one or both:
@@ -148,7 +146,7 @@ func attemptMerge(ctx context.Context, file *unmergedFile, tmpBasePath string, g
// 2. Added in ours but not in theirs or identical in both
//
// Not a genuine conflict just add to the index
if err := gitRepo.AddObjectToIndex(file.stage2.mode, objectFormat.MustIDFromString(file.stage2.sha), file.stage2.path); err != nil {
if err := gitRepo.AddObjectToIndex(file.stage2.mode, git.MustIDFromString(file.stage2.sha), file.stage2.path); err != nil {
return err
}
return nil
@@ -161,7 +159,7 @@ func attemptMerge(ctx context.Context, file *unmergedFile, tmpBasePath string, g
// 4. Added in theirs but not ours:
//
// Not a genuine conflict just add to the index
return gitRepo.AddObjectToIndex(file.stage3.mode, objectFormat.MustIDFromString(file.stage3.sha), file.stage3.path)
return gitRepo.AddObjectToIndex(file.stage3.mode, git.MustIDFromString(file.stage3.sha), file.stage3.path)
case file.stage1 == nil:
// 5. Created by new in both
//
@@ -222,7 +220,7 @@ func attemptMerge(ctx context.Context, file *unmergedFile, tmpBasePath string, g
return err
}
hash = strings.TrimSpace(hash)
return gitRepo.AddObjectToIndex(file.stage2.mode, objectFormat.MustIDFromString(hash), file.stage2.path)
return gitRepo.AddObjectToIndex(file.stage2.mode, git.MustIDFromString(hash), file.stage2.path)
default:
if file.stage1 != nil {
return &errMergeConflict{file.stage1.path}