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package diffing
// if ref is blank we're not diffing anything
type Diffing struct {
Ref string
Reverse bool
}
func New() Diffing {
return Diffing{}
}
func (self *Diffing) Active() bool {
return self.Ref != ""
}
// GetFromAndReverseArgsForDiff tells us the from and reverse args to be used in a diff command.
// If we're not in diff mode we'll end up with the equivalent of a `git show` i.e `git diff blah^..blah`.
func (self *Diffing) GetFromAndReverseArgsForDiff(from string) (string, bool) {
reverse := false
if self.Active() {
reverse = self.Reverse
from = self.Ref
}
return from, reverse
}
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