98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package repofiles
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import (
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"fmt"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/setting"
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api "code.gitea.io/gitea/modules/structs"
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)
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// GetTreeBySHA get the GitTreeResponse of a repository using a sha hash.
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func GetTreeBySHA(repo *models.Repository, sha string, page, perPage int, recursive bool) (*api.GitTreeResponse, error) {
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gitRepo, err := git.OpenRepository(repo.RepoPath())
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if err != nil {
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return nil, err
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}
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defer gitRepo.Close()
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gitTree, err := gitRepo.GetTree(sha)
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if err != nil || gitTree == nil {
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return nil, models.ErrSHANotFound{
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SHA: sha,
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}
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}
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tree := new(api.GitTreeResponse)
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tree.SHA = gitTree.ResolvedID.String()
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tree.URL = repo.APIURL() + "/git/trees/" + tree.SHA
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var entries git.Entries
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if recursive {
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entries, err = gitTree.ListEntriesRecursive()
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} else {
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entries, err = gitTree.ListEntries()
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}
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if err != nil {
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return nil, err
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}
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apiURL := repo.APIURL()
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apiURLLen := len(apiURL)
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// 51 is len(sha1) + len("/git/blobs/"). 40 + 11.
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blobURL := make([]byte, apiURLLen+51)
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copy(blobURL, apiURL)
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copy(blobURL[apiURLLen:], "/git/blobs/")
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// 51 is len(sha1) + len("/git/trees/"). 40 + 11.
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treeURL := make([]byte, apiURLLen+51)
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copy(treeURL, apiURL)
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copy(treeURL[apiURLLen:], "/git/trees/")
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// 40 is the size of the sha1 hash in hexadecimal format.
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copyPos := len(treeURL) - 40
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if perPage <= 0 || perPage > setting.API.DefaultGitTreesPerPage {
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perPage = setting.API.DefaultGitTreesPerPage
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}
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if page <= 0 {
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page = 1
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}
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tree.Page = page
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tree.TotalCount = len(entries)
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rangeStart := perPage * (page - 1)
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if rangeStart >= len(entries) {
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return tree, nil
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}
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var rangeEnd int
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if len(entries) > perPage {
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tree.Truncated = true
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}
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if rangeStart+perPage < len(entries) {
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rangeEnd = rangeStart + perPage
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} else {
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rangeEnd = len(entries)
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}
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tree.Entries = make([]api.GitEntry, rangeEnd-rangeStart)
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for e := rangeStart; e < rangeEnd; e++ {
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i := e - rangeStart
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tree.Entries[i].Path = entries[e].Name()
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tree.Entries[i].Mode = fmt.Sprintf("%06o", entries[e].Mode())
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tree.Entries[i].Type = entries[e].Type()
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tree.Entries[i].Size = entries[e].Size()
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tree.Entries[i].SHA = entries[e].ID.String()
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if entries[e].IsDir() {
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copy(treeURL[copyPos:], entries[e].ID.String())
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tree.Entries[i].URL = string(treeURL)
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} else {
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copy(blobURL[copyPos:], entries[e].ID.String())
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tree.Entries[i].URL = string(blobURL)
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}
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}
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return tree, nil
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}
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