git: migrate to github.com/gogs/git-module@v1.0.0 (#5958)

* WIP

* Finish `internal/db/git_diff.go`

* FInish internal/db/mirror.go

* Finish internal/db/pull.go

* Finish internal/db/release.go

* Finish internal/db/repo.go

* Finish internal/db/repo_branch.go

* Finish internal/db/repo_editor.go

* Finish internal/db/update.go

* Save my work

* Add license header

* Compile!

* Merge master

* Finish internal/cmd/hook.go

* Finish internal/conf/static.go

* Finish internal/context/repo.go

* Finish internal/db/action.go

* Finish internal/db/git_diff.go

* Fix submodule URL inferring

* Finish internal/db/mirror.go

* Updat to beta.4

* css: update fonts

* Finish internal/db/pull.go

* Finish internal/db/release.go

* Finish internal/db/repo_branch.go

* Finish internal/db/wiki.go

* gitutil: enhance infer submodule UR

* Finish internal/route/api/v1/repo/commits.go

* mirror: only collect branch commits after sync

* mirror: fix tag support

* Finish internal/db/repo.go

* Finish internal/db/repo_editor.go

* Finish internal/db/update.go

* Finish internal/gitutil/pull_request.go

* Make it compile

* Finish internal/route/repo/setting.go

* Finish internal/route/repo/branch.go

* Finish internal/route/api/v1/repo/file.go

* Finish internal/route/repo/download.go

* Finish internal/route/repo/editor.go

* Use helper

* Finish internal/route/repo/issue.go

* Finish internal/route/repo/pull.go

* Finish internal/route/repo/release.go

* Finish internal/route/repo/repo.go

* Finish internal/route/repo/wiki.go

* Finish internal/route/repo/commit.go

* Finish internal/route/repo/view.go

* Finish internal/gitutil/tag.go

* go.sum

1 files changed, 23 insertions, 28 deletions

diff --git a/internal/db/update.go b/internal/db/update.go
index e8fc41ed..94fc4ee3 100644
--- a/internal/db/update.go
+++ b/internal/db/update.go
@@ -5,19 +5,18 @@
 package db
 
 import (
-	"container/list"
 	"fmt"
 	"os/exec"
 	"strings"
 
-	git "github.com/gogs/git-module"
+	"github.com/gogs/git-module"
 )
 
 // CommitToPushCommit transforms a git.Commit to PushCommit type.
 func CommitToPushCommit(commit *git.Commit) *PushCommit {
 	return &PushCommit{
 		Sha1:           commit.ID.String(),
-		Message:        commit.Message(),
+		Message:        commit.Message,
 		AuthorEmail:    commit.Author.Email,
 		AuthorName:     commit.Author.Name,
 		CommitterEmail: commit.Committer.Email,
@@ -26,27 +25,22 @@ func CommitToPushCommit(commit *git.Commit) *PushCommit {
 	}
 }
 
-func ListToPushCommits(l *list.List) *PushCommits {
-	if l == nil {
+func CommitsToPushCommits(commits []*git.Commit) *PushCommits {
+	if len(commits) == 0 {
 		return &PushCommits{}
 	}
 
-	commits := make([]*PushCommit, 0)
-	var actEmail string
-	for e := l.Front(); e != nil; e = e.Next() {
-		commit := e.Value.(*git.Commit)
-		if actEmail == "" {
-			actEmail = commit.Committer.Email
-		}
-		commits = append(commits, CommitToPushCommit(commit))
+	pcs := make([]*PushCommit, len(commits))
+	for i := range commits {
+		pcs[i] = CommitToPushCommit(commits[i])
 	}
-	return &PushCommits{l.Len(), commits, "", nil}
+	return &PushCommits{len(pcs), pcs, "", nil}
 }
 
 type PushUpdateOptions struct {
 	OldCommitID  string
 	NewCommitID  string
-	RefFullName  string
+	FullRefspec  string
 	PusherID     int64
 	PusherName   string
 	RepoUserName string
@@ -56,10 +50,10 @@ type PushUpdateOptions struct {
 // PushUpdate must be called for any push actions in order to
 // generates necessary push action history feeds.
 func PushUpdate(opts PushUpdateOptions) (err error) {
-	isNewRef := opts.OldCommitID == git.EMPTY_SHA
-	isDelRef := opts.NewCommitID == git.EMPTY_SHA
+	isNewRef := strings.HasPrefix(opts.OldCommitID, git.EmptyID)
+	isDelRef := strings.HasPrefix(opts.NewCommitID, git.EmptyID)
 	if isNewRef && isDelRef {
-		return fmt.Errorf("Old and new revisions are both %s", git.EMPTY_SHA)
+		return fmt.Errorf("both old and new revisions are %q", git.EmptyID)
 	}
 
 	repoPath := RepoPath(opts.RepoUserName, opts.RepoName)
@@ -70,9 +64,9 @@ func PushUpdate(opts PushUpdateOptions) (err error) {
 		return fmt.Errorf("run 'git update-server-info': %v", err)
 	}
 
-	gitRepo, err := git.OpenRepository(repoPath)
+	gitRepo, err := git.Open(repoPath)
 	if err != nil {
-		return fmt.Errorf("OpenRepository: %v", err)
+		return fmt.Errorf("open repository: %v", err)
 	}
 
 	owner, err := GetUserByName(opts.RepoUserName)
@@ -90,12 +84,12 @@ func PushUpdate(opts PushUpdateOptions) (err error) {
 	}
 
 	// Push tags
-	if strings.HasPrefix(opts.RefFullName, git.TAG_PREFIX) {
+	if strings.HasPrefix(opts.FullRefspec, git.RefsTags) {
 		if err := CommitRepoAction(CommitRepoActionOptions{
 			PusherName:  opts.PusherName,
 			RepoOwnerID: owner.ID,
 			RepoName:    repo.Name,
-			RefFullName: opts.RefFullName,
+			RefFullName: opts.FullRefspec,
 			OldCommitID: opts.OldCommitID,
 			NewCommitID: opts.NewCommitID,
 			Commits:     &PushCommits{},
@@ -105,22 +99,23 @@ func PushUpdate(opts PushUpdateOptions) (err error) {
 		return nil
 	}
 
-	var l *list.List
+	var commits []*git.Commit
 	// Skip read parent commits when delete branch
 	if !isDelRef {
 		// Push new branch
-		newCommit, err := gitRepo.GetCommit(opts.NewCommitID)
+		newCommit, err := gitRepo.CatFileCommit(opts.NewCommitID)
 		if err != nil {
 			return fmt.Errorf("GetCommit [commit_id: %s]: %v", opts.NewCommitID, err)
 		}
 
 		if isNewRef {
-			l, err = newCommit.CommitsBeforeLimit(10)
+			commits, err = newCommit.Ancestors(git.LogOptions{MaxCount: 9})
 			if err != nil {
 				return fmt.Errorf("CommitsBeforeLimit [commit_id: %s]: %v", newCommit.ID, err)
 			}
+			commits = append([]*git.Commit{newCommit}, commits...)
 		} else {
-			l, err = newCommit.CommitsBeforeUntil(opts.OldCommitID)
+			commits, err = newCommit.CommitsAfter(opts.OldCommitID)
 			if err != nil {
 				return fmt.Errorf("CommitsBeforeUntil [commit_id: %s]: %v", opts.OldCommitID, err)
 			}
@@ -131,10 +126,10 @@ func PushUpdate(opts PushUpdateOptions) (err error) {
 		PusherName:  opts.PusherName,
 		RepoOwnerID: owner.ID,
 		RepoName:    repo.Name,
-		RefFullName: opts.RefFullName,
+		RefFullName: opts.FullRefspec,
 		OldCommitID: opts.OldCommitID,
 		NewCommitID: opts.NewCommitID,
-		Commits:     ListToPushCommits(l),
+		Commits:     CommitsToPushCommits(commits),
 	}); err != nil {
 		return fmt.Errorf("CommitRepoAction.(branch): %v", err)
 	}