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, 31 insertions, 36 deletions

diff --git a/internal/route/repo/wiki.go b/internal/route/repo/wiki.go
index 8a48c319..91bc3c91 100644
--- a/internal/route/repo/wiki.go
+++ b/internal/route/repo/wiki.go
@@ -5,7 +5,6 @@
 package repo
 
 import (
-	"io/ioutil"
 	"strings"
 	"time"
 
@@ -14,6 +13,7 @@ import (
 	"gogs.io/gogs/internal/context"
 	"gogs.io/gogs/internal/db"
 	"gogs.io/gogs/internal/form"
+	"gogs.io/gogs/internal/gitutil"
 	"gogs.io/gogs/internal/markup"
 )
 
@@ -43,27 +43,27 @@ type PageMeta struct {
 }
 
 func renderWikiPage(c *context.Context, isViewPage bool) (*git.Repository, string) {
-	wikiRepo, err := git.OpenRepository(c.Repo.Repository.WikiPath())
+	wikiRepo, err := git.Open(c.Repo.Repository.WikiPath())
 	if err != nil {
-		c.Handle(500, "OpenRepository", err)
+		c.ServerError("open repository", err)
 		return nil, ""
 	}
-	commit, err := wikiRepo.GetBranchCommit("master")
+	commit, err := wikiRepo.BranchCommit("master")
 	if err != nil {
-		c.Handle(500, "GetBranchCommit", err)
+		c.ServerError("get branch commit", err)
 		return nil, ""
 	}
 
 	// Get page list.
 	if isViewPage {
-		entries, err := commit.ListEntries()
+		entries, err := commit.Entries()
 		if err != nil {
-			c.Handle(500, "ListEntries", err)
+			c.ServerError("list entries", err)
 			return nil, ""
 		}
 		pages := make([]PageMeta, 0, len(entries))
 		for i := range entries {
-			if entries[i].Type == git.OBJECT_BLOB && strings.HasSuffix(entries[i].Name(), ".md") {
+			if entries[i].Type() == git.ObjectBlob && strings.HasSuffix(entries[i].Name(), ".md") {
 				name := strings.TrimSuffix(entries[i].Name(), ".md")
 				pages = append(pages, PageMeta{
 					Name: name,
@@ -86,29 +86,24 @@ func renderWikiPage(c *context.Context, isViewPage bool) (*git.Repository, strin
 	c.Data["title"] = pageName
 	c.Data["RequireHighlightJS"] = true
 
-	blob, err := commit.GetBlobByPath(pageName + ".md")
+	blob, err := commit.Blob(pageName + ".md")
 	if err != nil {
-		if git.IsErrNotExist(err) {
+		if gitutil.IsErrRevisionNotExist(err) {
 			c.Redirect(c.Repo.RepoLink + "/wiki/_pages")
 		} else {
-			c.Handle(500, "GetBlobByPath", err)
+			c.ServerError("GetBlobByPath", err)
 		}
 		return nil, ""
 	}
-	r, err := blob.Data()
+	p, err := blob.Bytes()
 	if err != nil {
-		c.Handle(500, "Data", err)
-		return nil, ""
-	}
-	data, err := ioutil.ReadAll(r)
-	if err != nil {
-		c.Handle(500, "ReadAll", err)
+		c.ServerError("Data", err)
 		return nil, ""
 	}
 	if isViewPage {
-		c.Data["content"] = string(markup.Markdown(data, c.Repo.RepoLink, c.Repo.Repository.ComposeMetas()))
+		c.Data["content"] = string(markup.Markdown(p, c.Repo.RepoLink, c.Repo.Repository.ComposeMetas()))
 	} else {
-		c.Data["content"] = string(data)
+		c.Data["content"] = string(p)
 	}
 
 	return wikiRepo, pageName
@@ -129,12 +124,12 @@ func Wiki(c *context.Context) {
 	}
 
 	// Get last change information.
-	lastCommit, err := wikiRepo.GetCommitByPath(pageName + ".md")
+	commits, err := wikiRepo.Log(git.RefsHeads+"master", git.LogOptions{Path: pageName + ".md"})
 	if err != nil {
-		c.Handle(500, "GetCommitByPath", err)
+		c.ServerError("get commits by path", err)
 		return
 	}
-	c.Data["Author"] = lastCommit.Author
+	c.Data["Author"] = commits[0].Author
 
 	c.HTML(200, WIKI_VIEW)
 }
@@ -148,35 +143,35 @@ func WikiPages(c *context.Context) {
 		return
 	}
 
-	wikiRepo, err := git.OpenRepository(c.Repo.Repository.WikiPath())
+	wikiRepo, err := git.Open(c.Repo.Repository.WikiPath())
 	if err != nil {
-		c.Handle(500, "OpenRepository", err)
+		c.ServerError("open repository", err)
 		return
 	}
-	commit, err := wikiRepo.GetBranchCommit("master")
+	commit, err := wikiRepo.BranchCommit("master")
 	if err != nil {
-		c.Handle(500, "GetBranchCommit", err)
+		c.ServerError("get branch commit", err)
 		return
 	}
 
-	entries, err := commit.ListEntries()
+	entries, err := commit.Entries()
 	if err != nil {
-		c.Handle(500, "ListEntries", err)
+		c.ServerError("list entries", err)
 		return
 	}
 	pages := make([]PageMeta, 0, len(entries))
 	for i := range entries {
-		if entries[i].Type == git.OBJECT_BLOB && strings.HasSuffix(entries[i].Name(), ".md") {
-			commit, err := wikiRepo.GetCommitByPath(entries[i].Name())
+		if entries[i].Type() == git.ObjectBlob && strings.HasSuffix(entries[i].Name(), ".md") {
+			commits, err := wikiRepo.Log(git.RefsHeads+"master", git.LogOptions{Path: entries[i].Name()})
 			if err != nil {
-				c.ServerError("GetCommitByPath", err)
+				c.ServerError("get commits by path", err)
 				return
 			}
 			name := strings.TrimSuffix(entries[i].Name(), ".md")
 			pages = append(pages, PageMeta{
 				Name:    name,
 				URL:     db.ToWikiPageURL(name),
-				Updated: commit.Author.When,
+				Updated: commits[0].Author.When,
 			})
 		}
 	}
@@ -212,7 +207,7 @@ func NewWikiPost(c *context.Context, f form.NewWiki) {
 			c.Data["Err_Title"] = true
 			c.RenderWithErr(c.Tr("repo.wiki.page_already_exists"), WIKI_NEW, &f)
 		} else {
-			c.Handle(500, "AddWikiPage", err)
+			c.ServerError("AddWikiPage", err)
 		}
 		return
 	}
@@ -249,7 +244,7 @@ func EditWikiPost(c *context.Context, f form.NewWiki) {
 	}
 
 	if err := c.Repo.Repository.EditWikiPage(c.User, f.OldTitle, f.Title, f.Content, f.Message); err != nil {
-		c.Handle(500, "EditWikiPage", err)
+		c.ServerError("EditWikiPage", err)
 		return
 	}
 
@@ -264,7 +259,7 @@ func DeleteWikiPagePost(c *context.Context) {
 
 	pageName := db.ToWikiPageName(pageURL)
 	if err := c.Repo.Repository.DeleteWikiPage(c.User, pageName); err != nil {
-		c.Handle(500, "DeleteWikiPage", err)
+		c.ServerError("DeleteWikiPage", err)
 		return
 	}