1 files changed, 70 insertions, 0 deletions
diff --git a/modules/repository/push.go b/modules/repository/push.go
new file mode 100644
index 0000000..66d0417
--- /dev/null
+++ b/modules/repository/push.go
@@ -0,0 +1,70 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repository
+
+import (
+	"code.gitea.io/gitea/modules/git"
+)
+
+// PushUpdateOptions defines the push update options
+type PushUpdateOptions struct {
+	PusherID     int64
+	PusherName   string
+	RepoUserName string
+	RepoName     string
+	RefFullName  git.RefName // branch, tag or other name to push
+	OldCommitID  string
+	NewCommitID  string
+	TimeNano     int64
+}
+
+// IsNewRef return true if it's a first-time push to a branch, tag or etc.
+func (opts *PushUpdateOptions) IsNewRef() bool {
+	return git.IsEmptyCommitID(opts.OldCommitID, nil)
+}
+
+// IsDelRef return true if it's a deletion to a branch or tag
+func (opts *PushUpdateOptions) IsDelRef() bool {
+	return git.IsEmptyCommitID(opts.NewCommitID, nil)
+}
+
+// IsUpdateRef return true if it's an update operation
+func (opts *PushUpdateOptions) IsUpdateRef() bool {
+	return !opts.IsNewRef() && !opts.IsDelRef()
+}
+
+// IsNewTag return true if it's a creation to a tag
+func (opts *PushUpdateOptions) IsNewTag() bool {
+	return opts.RefFullName.IsTag() && opts.IsNewRef()
+}
+
+// IsDelTag return true if it's a deletion to a tag
+func (opts *PushUpdateOptions) IsDelTag() bool {
+	return opts.RefFullName.IsTag() && opts.IsDelRef()
+}
+
+// IsNewBranch return true if it's the first-time push to a branch
+func (opts *PushUpdateOptions) IsNewBranch() bool {
+	return opts.RefFullName.IsBranch() && opts.IsNewRef()
+}
+
+// IsUpdateBranch return true if it's not the first push to a branch
+func (opts *PushUpdateOptions) IsUpdateBranch() bool {
+	return opts.RefFullName.IsBranch() && opts.IsUpdateRef()
+}
+
+// IsDelBranch return true if it's a deletion to a branch
+func (opts *PushUpdateOptions) IsDelBranch() bool {
+	return opts.RefFullName.IsBranch() && opts.IsDelRef()
+}
+
+// RefName returns simple name for ref
+func (opts *PushUpdateOptions) RefName() string {
+	return opts.RefFullName.ShortName()
+}
+
+// RepoFullName returns repo full name
+func (opts *PushUpdateOptions) RepoFullName() string {
+	return opts.RepoUserName + "/" + opts.RepoName
+}