$ git clone -n https://src.fedoraproject.org/rpms/ghc-asn1-parse.git /var/lib/mock/f45-build-9968-412/root/chroot_tmpdir/scmroot/ghc-asn1-parse
Cloning into '/var/lib/mock/f45-build-9968-412/root/chroot_tmpdir/scmroot/ghc-asn1-parse'...
$ git fetch origin 9a40669317da580ca7177ef078732fb69d31088e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-asn1-parse
 * [new ref]         9a40669317da580ca7177ef078732fb69d31088e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a40669 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild