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tangled.org
1package xrpc
2
3import (
4 "encoding/json"
5 "net/http"
6 "net/url"
7 "time"
8
9 "tangled.sh/tangled.sh/core/api/tangled"
10 "tangled.sh/tangled.sh/core/knotserver/git"
11 xrpcerr "tangled.sh/tangled.sh/core/xrpc/errors"
12)
13
14func (x *Xrpc) RepoBranch(w http.ResponseWriter, r *http.Request) {
15 repo := r.URL.Query().Get("repo")
16 repoPath, err := x.parseRepoParam(repo)
17 if err != nil {
18 writeError(w, err.(xrpcerr.XrpcError), http.StatusBadRequest)
19 return
20 }
21
22 name := r.URL.Query().Get("name")
23 if name == "" {
24 writeError(w, xrpcerr.NewXrpcError(
25 xrpcerr.WithTag("InvalidRequest"),
26 xrpcerr.WithMessage("missing name parameter"),
27 ), http.StatusBadRequest)
28 return
29 }
30
31 branchName, _ := url.PathUnescape(name)
32
33 gr, err := git.PlainOpen(repoPath)
34 if err != nil {
35 writeError(w, xrpcerr.RepoNotFoundError, http.StatusNoContent)
36 return
37 }
38
39 ref, err := gr.Branch(branchName)
40 if err != nil {
41 x.Logger.Error("getting branch", "error", err.Error())
42 writeError(w, xrpcerr.NewXrpcError(
43 xrpcerr.WithTag("BranchNotFound"),
44 xrpcerr.WithMessage("branch not found"),
45 ), http.StatusNotFound)
46 return
47 }
48
49 commit, err := gr.Commit(ref.Hash())
50 if err != nil {
51 x.Logger.Error("getting commit object", "error", err.Error())
52 writeError(w, xrpcerr.NewXrpcError(
53 xrpcerr.WithTag("BranchNotFound"),
54 xrpcerr.WithMessage("failed to get commit object"),
55 ), http.StatusInternalServerError)
56 return
57 }
58
59 defaultBranch, err := gr.FindMainBranch()
60 isDefault := false
61 if err != nil {
62 x.Logger.Error("getting default branch", "error", err.Error())
63 } else if defaultBranch == branchName {
64 isDefault = true
65 }
66
67 response := tangled.RepoBranch_Output{
68 Name: ref.Name().Short(),
69 Hash: ref.Hash().String(),
70 ShortHash: &[]string{ref.Hash().String()[:7]}[0],
71 When: commit.Author.When.Format(time.RFC3339),
72 IsDefault: &isDefault,
73 }
74
75 if commit.Message != "" {
76 response.Message = &commit.Message
77 }
78
79 response.Author = &tangled.RepoBranch_Signature{
80 Name: commit.Author.Name,
81 Email: commit.Author.Email,
82 When: commit.Author.When.Format(time.RFC3339),
83 }
84
85 w.Header().Set("Content-Type", "application/json")
86 if err := json.NewEncoder(w).Encode(response); err != nil {
87 x.Logger.Error("failed to encode response", "error", err)
88 writeError(w, xrpcerr.NewXrpcError(
89 xrpcerr.WithTag("InternalServerError"),
90 xrpcerr.WithMessage("failed to encode response"),
91 ), http.StatusInternalServerError)
92 return
93 }
94}