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// 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/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/sdk/gitea"
)
// GetTree get the tree of a repository.
func GetTree(ctx *context.APIContext) {
// swagger:operation GET /repos/{owner}/{repo}/git/trees/{sha} repository GetTree
// ---
// summary: Gets the tree of a repository.
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: sha
// in: path
// description: sha of the commit
// type: string
// required: true
// - name: recursive
// in: query
// description: show all directories and files
// required: false
// type: boolean
// - name: page
// in: query
// description: page number; the 'truncated' field in the response will be true if there are still more items after this page, false if the last page
// required: false
// type: integer
// - name: per_page
// in: query
// description: number of items per page; default is 1000 or what is set in app.ini as DEFAULT_GIT_TREES_PER_PAGE
// required: false
// type: integer
// responses:
// "200":
// "$ref": "#/responses/GitTreeResponse"
sha := ctx.Params("sha")
if len(sha) == 0 {
ctx.Error(400, "", "sha not provided")
return
}
tree := GetTreeBySHA(ctx, sha)
if tree != nil {
ctx.JSON(200, tree)
} else {
ctx.Error(400, "", "sha invalid")
}
}
// 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
page := ctx.QueryInt("page")
perPage := ctx.QueryInt("per_page")
if perPage <= 0 || perPage > setting.API.DefaultGitTreesPerPage {
perPage = setting.API.DefaultGitTreesPerPage
}
if page <= 0 {
page = 1
}
tree.Page = page
tree.TotalCount = len(entries)
rangeStart := perPage * (page - 1)
if rangeStart >= len(entries) {
return tree
}
var rangeEnd int
if len(entries) > perPage {
tree.Truncated = true
}
if rangeStart+perPage < len(entries) {
rangeEnd = rangeStart + perPage
} else {
rangeEnd = len(entries)
}
tree.Entries = make([]gitea.GitEntry, rangeEnd-rangeStart)
for e := rangeStart; e < rangeEnd; e++ {
i := e - rangeStart
tree.Entries[i].Path = entries[e].Name()
tree.Entries[i].Mode = fmt.Sprintf("%06x", entries[e].Mode())
tree.Entries[i].Type = string(entries[e].Type)
tree.Entries[i].Size = entries[e].Size()
tree.Entries[i].SHA = entries[e].ID.String()
if entries[e].IsDir() {
copy(treeURL[copyPos:], entries[e].ID.String())
tree.Entries[i].URL = string(treeURL[:])
} else {
copy(blobURL[copyPos:], entries[e].ID.String())
tree.Entries[i].URL = string(blobURL[:])
}
}
return tree
}
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