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Code Releases Activity

Fix incorrect object id hash function (#30708)

Browse Source 
Great thanks to @oliverpool for figuring out the problem and proposing a
fix.

Regression of #28138

Incorrect hash causes the user's LFS files get all deleted when running
`doctor fix all`

(by the way, remove unused/non-standard comments)

Co-authored-by: Giteabot <teabot@gitea.io>
This commit is contained in:
wxiaoguang
2024-04-26 17:49:48 +08:00
committed by GitHub
parent 1e749b80d7
commit cd70ab31cd
3 changed files with 8 additions and 15 deletions
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16
modules/git/object_format.go
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@@ -33,7 +33,6 @@ type ObjectFormat interface {
ComputeHash(t ObjectType, content []byte) ObjectID
}
/* SHA1 Type */
type Sha1ObjectFormatImpl struct{}
var (
@@ -70,14 +69,10 @@ func (h Sha1ObjectFormatImpl) ComputeHash(t ObjectType, content []byte) ObjectID
_, _ = hasher.Write([]byte(" "))
_, _ = hasher.Write([]byte(strconv.FormatInt(int64(len(content)), 10)))
_, _ = hasher.Write([]byte{0})
// HashSum generates a SHA1 for the provided hash
var sha1 Sha1Hash
copy(sha1[:], hasher.Sum(nil))
return &sha1
_, _ = hasher.Write(content)
return h.MustID(hasher.Sum(nil))
}
/* SHA256 Type */
type Sha256ObjectFormatImpl struct{}
var (
@@ -116,11 +111,8 @@ func (h Sha256ObjectFormatImpl) ComputeHash(t ObjectType, content []byte) Object
_, _ = hasher.Write([]byte(" "))
_, _ = hasher.Write([]byte(strconv.FormatInt(int64(len(content)), 10)))
_, _ = hasher.Write([]byte{0})
// HashSum generates a SHA256 for the provided hash
var sha256 Sha1Hash
copy(sha256[:], hasher.Sum(nil))
return &sha256
_, _ = hasher.Write(content)
return h.MustID(hasher.Sum(nil))
}
var (