/
git.go
133 lines (109 loc) · 2.96 KB
/
git.go
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package service
import (
"fmt"
"log"
"regexp"
logger "github.com/bitrise-io/go-utils/log"
git "github.com/libgit2/git2go/v34"
)
const DefaultIssuePattern string = `([A-Z]{1,10}-[0-9]+)`
type GitWorker struct {
Repo *git.Repository
Branch string
Remote string
MergeCommits []*git.Oid
IssuePattern string
}
func GitOpen(path string, branch string, issuePattern string, commits []string) (*GitWorker, error) {
repo, err := git.OpenRepository(path)
if err != nil {
return nil, err
}
repo.SetHead(branch)
commitHashes := make([]*git.Oid, 0, len(commits))
for _, commit := range commits {
hash, err := git.NewOid(commit)
if err == nil {
commitHashes = append(commitHashes, hash)
} else {
logger.Warnf("Commit not found: %s, error: %v\n", commit, err)
}
}
if len(commitHashes) == 0 {
headRef, err := repo.Head()
if err != nil {
return nil, err
}
topCommitHash := headRef.Target()
if topCommitHash == nil {
return nil, fmt.Errorf("HEAD target not available.")
}
commitHashes = append(commitHashes, topCommitHash)
}
worker := new(GitWorker)
worker.Repo = repo
worker.Branch = branch
worker.MergeCommits = commitHashes
worker.IssuePattern = issuePattern
return worker, nil
}
func GitLoad(url string, branch string, remote string) (*GitWorker, error) {
return nil, fmt.Errorf("Not implemented!")
}
func (worker *GitWorker) LoadCommits() []*git.Commit {
var commits = make([]*git.Commit, 0)
for _, oid := range worker.MergeCommits {
mergeCommit, err := worker.Repo.LookupCommit(oid)
if err != nil {
logger.Errorf("Cannot find commit with hash: %s\n", oid.String())
continue
}
if mergeCommit.ParentCount() < 2 {
logger.Warnf("%s is not merge commit!\n", oid.String())
commits = append(commits, mergeCommit)
continue
}
rangeString := fmt.Sprintf("%s^..%s", oid.String(), oid.String())
logger.Infof("Revparse range: %s\n", rangeString)
revwalk, err := worker.Repo.Walk()
spec, err := worker.Repo.Revparse(rangeString)
if err != nil {
logger.Errorf("Revparse error: %v\n", err)
continue
}
fromID := spec.From().Id()
toID := spec.To().Id()
if err := revwalk.Hide(fromID); err != nil {
logger.Errorf("revwalk.Hide error: %v\n", err)
continue
}
if err := revwalk.Push(toID); err != nil {
logger.Errorf("revwalk.Push error: %v\n", err)
continue
}
revwalk.Iterate(func(commit *git.Commit) bool {
commits = append(commits, commit)
return true
})
}
return commits
}
func (worker *GitWorker) ScanIssues() []string {
commits := worker.LoadCommits()
issueKeysMap := make(map[string]bool)
regex, err := regexp.Compile(worker.IssuePattern)
if err != nil {
log.Fatal(err)
}
for _, commit := range commits {
keys := regex.FindAllString(commit.Message(), -1)
for _, key := range keys {
issueKeysMap[key] = true
}
}
issueKeys := make([]string, 0, len(issueKeysMap))
for k := range issueKeysMap {
issueKeys = append(issueKeys, k)
}
return issueKeys
}