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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
122 changed files with 947 additions and 594 deletions
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18
services/repository/files/tree.go
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@@ -37,19 +37,21 @@ func GetTreeBySHA(ctx context.Context, repo *repo_model.Repository, gitRepo *git
}
apiURL := repo.APIURL()
apiURLLen := len(apiURL)
objectFormat, _ := gitRepo.GetObjectFormat()
hashLen := objectFormat.FullLength()
// 51 is len(sha1) + len("/git/blobs/"). 40 + 11.
blobURL := make([]byte, apiURLLen+51)
const gitBlobsPath = "/git/blobs/"
blobURL := make([]byte, apiURLLen+hashLen+len(gitBlobsPath))
copy(blobURL, apiURL)
copy(blobURL[apiURLLen:], "/git/blobs/")
copy(blobURL[apiURLLen:], []byte(gitBlobsPath))
// 51 is len(sha1) + len("/git/trees/"). 40 + 11.
treeURL := make([]byte, apiURLLen+51)
const gitTreePath = "/git/trees/"
treeURL := make([]byte, apiURLLen+hashLen+len(gitTreePath))
copy(treeURL, apiURL)
copy(treeURL[apiURLLen:], "/git/trees/")
copy(treeURL[apiURLLen:], []byte(gitTreePath))
// 40 is the size of the sha1 hash in hexadecimal format.
copyPos := len(treeURL) - git.SHAFullLength
// copyPos is at the start of the hash
copyPos := len(treeURL) - hashLen
if perPage <= 0 || perPage > setting.API.DefaultGitTreesPerPage {
perPage = setting.API.DefaultGitTreesPerPage