BranchReference constructor
Implementation
factory BranchReference(String sha, String reference) {
String branchName;
if (reference == 'HEAD') {
branchName = reference;
} else {
assert(reference.startsWith(_localBranchPrefix));
branchName = reference.substring(_localBranchPrefix.length);
}
return BranchReference._internal(sha, reference, branchName);
}