extensions/git/src/actionButton.ts/ActionButtonCommand/onDidRunGitStatus
class ActionButtonCommand:	private onDidRunGitStatus(): void {
		this.state = {
			...this.state,
			HEAD: this.repository.HEAD,
			repositoryHasNoChanges:
				this.repository.indexGroup.resourceStates.length === 0 &&
				this.repository.mergeGroup.resourceStates.length === 0 &&
				this.repository.untrackedGroup.resourceStates.length === 0 &&
				this.repository.workingTreeGroup.resourceStates.length === 0
		};
	}