func recordHead(m *ingest.Message, repo *git.Repository) {
head, err := repo.Head()
if err != nil {
log.Fatalf("Could not get repo HEAD")
}
oid := head.Target()
hn, err := os.Hostname()
if err != nil {
log.Fatalln("Could not determine hostname for environment")
}
// be extra safe about cleaning the path wrt trailing slashes
p := repo.Path()
if strings.LastIndex(p, string(os.PathSeparator)) == len(p)-1 {
p = path.Dir(path.Dir(p))
} else {
p = path.Dir(p)
}
m.Add(semantic.LogicState{
Environment: semantic.EnvLink{
Address: semantic.Address{
Hostname: hn,
},
},
Path: p,
ID: semantic.LogicIdentiifer{
CommitStr: hex.EncodeToString(oid[:]),
},
})
if head.IsBranch() {
b := head.Branch()
bn, _ := b.Name()
m.Add(semantic.CommitMeta{
Sha1Str: hex.EncodeToString(oid[:]),
Tags: make([]string, 0),
Branches: []string{bn},
})
}
}
func runPostCommit(cmd *cobra.Command, args []string) {
repo := getRepoOrExit()
head, err := repo.Head()
if err != nil {
log.Fatalf("Could not get repo HEAD")
}
commit, err := repo.LookupCommit(head.Target())
if err != nil {
log.Fatalf("Could not find commit pointed at by HEAD")
}
ident, err := githelp.GetRepoIdent(repo)
if err != nil {
log.Fatalln("Failed to retrieve identifier for repository")
}
m := new(ingest.Message)
m.Add(commitToSemanticForm(commit, ident))
recordHead(m, repo)
sendMapToPipeviz(m, repo)
}
func (gpe githubPushEvent) ToMessage(token string) *ingest.Message {
msg := new(ingest.Message)
client := http.Client{Timeout: 2 * time.Second}
for _, c := range gpe.Commits {
// don't include commits we know not to be new - make that someone else's job
if !c.Distinct {
continue
}
// take up to 50 bytes for subject
subjlen := len(c.Message)
if subjlen > 50 {
subjlen = 50
}
// github doesn't include parent commit list in push payload (UGHHHH). so, call out for it.
// TODO spawn a goroutine per commit to do these in parallel
url := strings.Replace(gpe.Repository.GitCommitsURL, "{/sha}", "/"+c.Sha, 1)
req, err := http.NewRequest("GET", url, nil)
if err != nil {
logrus.WithFields(logrus.Fields{
"system": "pvproxy",
"err": err,
"sha1": c.Sha,
}).Warn("Error while creating request for additional information from github; skipping commit.")
continue
}
if token != "" {
req.Header.Set("Authentication", "token "+token)
}
resp, err := client.Do(req)
if err != nil {
// just drop the problematic commit
logrus.WithFields(logrus.Fields{
"system": "pvproxy",
"err": err,
"sha1": c.Sha,
}).Warn("Request to github to retrieve commit parent info failed; commit dropped.")
continue
}
if !statusIsOK(resp) {
logrus.WithFields(logrus.Fields{
"system": "pvproxy",
"status": resp.StatusCode,
"sha1": c.Sha,
}).Warn("Github responded with non-2xx response when requesting parent commit data.")
continue
}
// skip err here, it's effectively caught by the json unmarshaler
bod, _ := ioutil.ReadAll(resp.Body)
var jmap interface{}
err = json.Unmarshal(bod, &jmap)
if err != nil {
logrus.WithFields(logrus.Fields{
"system": "pvproxy",
"err": err,
"sha1": c.Sha,
}).Warn("Bad JSON response from github when requesting commit parent info; commit dropped.")
continue
}
var parents []string
for _, iparent := range jmap.(map[string]interface{})["parents"].([]interface{}) {
parent := iparent.(map[string]interface{})
parents = append(parents, parent["sha"].(string))
}
t, err := time.Parse(time.RFC3339, c.Timestamp)
if err != nil {
logrus.WithFields(logrus.Fields{
"system": "pvproxy",
"err": err,
"datestring": c.Timestamp,
"sha1": c.Sha,
}).Warn("Error on parsing date field in github payload; commit dropped.")
}
msg.Add(semantic.Commit{
Sha1Str: c.Sha,
Subject: c.Message[:subjlen],
Author: fmt.Sprintf("%q <%s>", c.Author.Name, c.Author.Email),
Date: t.Format(gitDateFormat),
Repository: gpe.Repository.Ident,
ParentsStr: parents,
})
}
if gpe.Ref[:11] == "refs/heads/" {
msg.Add(semantic.CommitMeta{
Sha1Str: gpe.HeadCommit.Sha,
Branches: []string{gpe.Ref[11:]},
})
} else if gpe.Ref[:10] == "refs/tags/" {
msg.Add(semantic.CommitMeta{
Sha1Str: gpe.HeadCommit.Sha,
Tags: []string{gpe.Ref[10:]},
})
}
return msg
}
func syncHistory(repo *git.Repository, all bool) {
var err error
var ident string
msg := new(ingest.Message)
if all {
ident, err = githelp.GetRepoIdent(repo)
if err != nil {
log.Fatalf("Failed to retrieve a stable identifier for this repository; cannot formulate commits correctly. Aborting.")
}
}
cvisited := make(map[git.Oid]struct{})
iter, err := repo.NewReferenceIterator()
if err != nil {
log.Fatalln("Error while creating reference iterator:", err)
}
// For simplicity, create a revwalker now even if we don't use it later
w, err := repo.Walk()
if err != nil {
log.Fatalln("Could not create revwalker iterator:", err)
}
w.Sorting(git.SortTopological)
//defer w.Free()
for ref, err := iter.Next(); err == nil; ref, err = iter.Next() {
// in func for easy defer of Free()
func(r *git.Reference, m *ingest.Message) {
//defer r.Free()
oid := r.Target()
if !r.IsBranch() && !r.IsTag() {
return
}
if r.IsBranch() {
bn, _ := r.Branch().Name()
w.Push(oid)
m.Add(semantic.CommitMeta{
Sha1Str: hex.EncodeToString(oid[:]),
Tags: make([]string, 0),
Branches: []string{bn},
})
} else if r.IsTag() {
w.Push(oid)
m.Add(semantic.CommitMeta{
Sha1Str: hex.EncodeToString(oid[:]),
// TODO this still emits the refs/tags/<name> form, ugh
Tags: []string{r.Name()},
Branches: make([]string, 0),
})
} else {
log.Fatalf("Ref %s is neither branch nor tag - wtf\n", r.Name())
}
}(ref, msg)
}
//iter.Free()
if err != nil {
if !git.IsErrorCode(err, git.ErrIterOver) {
//if gerr, ok := err.(*git.GitError); !ok || gerr.Code != git.ErrIterOver {
gerr := err.(*git.GitError)
log.Fatalf("Iteration through repository refs terminated with unexpected error (code: %d, message: %q)\n", gerr.Code, gerr.Message)
}
}
if all {
w.Iterate(func(c *git.Commit) bool {
//defer c.Free()
if _, exists := cvisited[*c.Id()]; exists {
return false
}
cvisited[*c.Id()] = struct{}{}
msg.Add(commitToSemanticForm(c, ident))
return true
})
}
//w.Free()
recordHead(msg, repo)
sendMapToPipeviz(msg, repo)
}