Support choose email when creating a commit via web UI (more) (#33445)

Follow #33432

routers/web/repo/patch.go

@@ -66,7 +66,7 @@ func NewDiffPatchPost(ctx *context.Context) {
 		return
 	}
 
-	// Cannot commit to a an existing branch if user doesn't have rights
+	// Cannot commit to an existing branch if user doesn't have rights
 	if branchName == ctx.Repo.BranchName && !canCommit {
 		ctx.Data["Err_NewBranchName"] = true
 		ctx.Data["commit_choice"] = frmCommitChoiceNewBranch
@@ -86,12 +86,21 @@ func NewDiffPatchPost(ctx *context.Context) {
 		message += "\n\n" + form.CommitMessage
 	}
 
+	gitCommitter, valid := WebGitOperationGetCommitChosenEmailIdentity(ctx, form.CommitEmail)
+	if !valid {
+		ctx.Data["Err_CommitEmail"] = true
+		ctx.RenderWithErr(ctx.Tr("repo.editor.invalid_commit_email"), tplPatchFile, &form)
+		return
+	}
+
 	fileResponse, err := files.ApplyDiffPatch(ctx, ctx.Repo.Repository, ctx.Doer, &files.ApplyDiffPatchOptions{
 		LastCommitID: form.LastCommit,
 		OldBranch:    ctx.Repo.BranchName,
 		NewBranch:    branchName,
 		Message:      message,
 		Content:      strings.ReplaceAll(form.Content, "\r", ""),
+		Author:       gitCommitter,
+		Committer:    gitCommitter,
 	})
 	if err != nil {
 		if git_model.IsErrBranchAlreadyExists(err) {