$ git clone -n https://src.fedoraproject.org/rpms/python-whoosh.git /var/lib/mock/f45-build-33645-671/root/chroot_tmpdir/scmroot/python-whoosh
Cloning into '/var/lib/mock/f45-build-33645-671/root/chroot_tmpdir/scmroot/python-whoosh'...
$ git fetch origin d741e1ab49c21c1a8b7b6a40436c935a14b74645:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-whoosh
 * [new ref]         d741e1ab49c21c1a8b7b6a40436c935a14b74645 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d741e1a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild