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forgejo/routers/api/v1/repo/tree.go
Kasi Reddy d5d847e5c4 Git-Trees API (#5403)
* Git-Trees API

* update vendor'd libs

* added comments to exported function and formatted.

* make fmt

* update per @lafirks feedback
2018-11-28 16:17:09 -05:00

92 lines
2.4 KiB
Go

// Copyright 2018 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package repo
import (
"fmt"
"strings"
"code.gitea.io/git"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/sdk/gitea"
)
// GetTree get the tree of a repository.
func GetTree(ctx *context.APIContext) {
sha := ctx.Params("sha")
if len(sha) == 0 {
ctx.Error(400, "sha not provided", nil)
return
}
tree := GetTreeBySHA(ctx, sha)
if tree != nil {
ctx.JSON(200, tree)
} else {
ctx.Error(400, "sha invalid", nil)
}
}
// GetTreeBySHA get the GitTreeResponse of a repository using a sha hash.
func GetTreeBySHA(ctx *context.APIContext, sha string) *gitea.GitTreeResponse {
gitTree, err := ctx.Repo.GitRepo.GetTree(sha)
if err != nil || gitTree == nil {
return nil
}
tree := new(gitea.GitTreeResponse)
repoID := strings.TrimRight(setting.AppURL, "/") + "/api/v1/repos/" + ctx.Repo.Repository.Owner.Name + "/" + ctx.Repo.Repository.Name
tree.SHA = gitTree.ID.String()
tree.URL = repoID + "/git/trees/" + tree.SHA
var entries git.Entries
if ctx.QueryBool("recursive") {
entries, err = gitTree.ListEntriesRecursive()
} else {
entries, err = gitTree.ListEntries()
}
if err != nil {
return tree
}
repoIDLen := len(repoID)
// 51 is len(sha1) + len("/git/blobs/"). 40 + 11.
blobURL := make([]byte, repoIDLen+51)
copy(blobURL[:], repoID)
copy(blobURL[repoIDLen:], "/git/blobs/")
// 51 is len(sha1) + len("/git/trees/"). 40 + 11.
treeURL := make([]byte, repoIDLen+51)
copy(treeURL[:], repoID)
copy(treeURL[repoIDLen:], "/git/trees/")
// 40 is the size of the sha1 hash in hexadecimal format.
copyPos := len(treeURL) - 40
if len(entries) > 1000 {
tree.Entries = make([]gitea.GitEntry, 1000)
} else {
tree.Entries = make([]gitea.GitEntry, len(entries))
}
for e := range entries {
if e > 1000 {
tree.Truncated = true
break
}
tree.Entries[e].Path = entries[e].Name()
tree.Entries[e].Mode = fmt.Sprintf("%06x", entries[e].Mode())
tree.Entries[e].Type = string(entries[e].Type)
tree.Entries[e].Size = entries[e].Size()
tree.Entries[e].SHA = entries[e].ID.String()
if entries[e].IsDir() {
copy(treeURL[copyPos:], entries[e].ID.String())
tree.Entries[e].URL = string(treeURL[:])
} else {
copy(blobURL[copyPos:], entries[e].ID.String())
tree.Entries[e].URL = string(blobURL[:])
}
}
return tree
}