$ git clone -n https://src.fedoraproject.org/rpms/cabextract.git /var/lib/mock/f45-build-4437-332/root/chroot_tmpdir/scmroot/cabextract
Cloning into '/var/lib/mock/f45-build-4437-332/root/chroot_tmpdir/scmroot/cabextract'...
$ git fetch origin 9b6675d45ede4fe9ec3ed5e8c3e99d7ca24cc422:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cabextract
 * [new ref]         9b6675d45ede4fe9ec3ed5e8c3e99d7ca24cc422 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b6675d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild