backport #21787
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@ -53,7 +53,7 @@ func (repo *Repository) IsReferenceExist(name string) bool {
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// IsBranchExist returns true if given branch exists in current repository.
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func (repo *Repository) IsBranchExist(name string) bool {
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if name == "" {
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if repo == nil || name == "" {
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return false
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}
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@ -16,7 +16,7 @@ import (
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// IsTagExist returns true if given tag exists in the repository.
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func (repo *Repository) IsTagExist(name string) bool {
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if name == "" {
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if repo == nil || name == "" {
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return false
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}
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