alice.pds.demo.boltless.dev
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1package xrpc
2
3import (
4 "fmt"
5 "net/http"
6 "os/exec"
7 "strings"
8
9 "github.com/bluesky-social/indigo/atproto/atclient"
10 "github.com/bluesky-social/indigo/atproto/syntax"
11 "tangled.org/core/api/tangled"
12)
13
14func (x *Xrpc) GetMergeBase(w http.ResponseWriter, r *http.Request) {
15 var (
16 repoQuery = r.URL.Query().Get("repo")
17 base = r.URL.Query().Get("base")
18 head = r.URL.Query().Get("head")
19 )
20
21 repo, err := syntax.ParseDID(repoQuery)
22 if err != nil {
23 writeJson(w, http.StatusBadRequest, atclient.ErrorBody{Name: "BadRequest", Message: fmt.Sprintf("repo parameter invalid: %s", repoQuery)})
24 return
25 }
26
27 if base == "" {
28 writeJson(w, http.StatusBadRequest, atclient.ErrorBody{Name: "BadRequest", Message: "missing base parameter"})
29 return
30 }
31 if head == "" {
32 writeJson(w, http.StatusBadRequest, atclient.ErrorBody{Name: "BadRequest", Message: "missing head parameter"})
33 return
34 }
35
36 l := x.logger.With("method", "git.getMergeBase", "repo", repo, "base", base, "head", head)
37 l.Debug("request")
38
39 ctx := r.Context()
40
41 repoPath, err := x.makeRepoPath(ctx, repo)
42 if err != nil {
43 writeJson(w, http.StatusNotFound, atclient.ErrorBody{Name: "RepoNotFound", Message: fmt.Sprintf("unknown repository: %q", repo)})
44 return
45 }
46
47 cmd := exec.Command("git", "-C", repoPath, "merge-base", head, base)
48 out, err := cmd.Output()
49 if err != nil {
50 writeJson(w, http.StatusInternalServerError, atclient.ErrorBody{Name: "InternalError", Message: "failed to compute merge-base"})
51 return
52 }
53
54 writeJson(w, http.StatusOK, tangled.GitTempGetMergeBase_Output{
55 Commit: strings.TrimSpace(string(out)),
56 })
57}