$ git clone -n https://src.fedoraproject.org/rpms/ghc-gi-gio.git /var/lib/mock/f45-build-10323-415/root/chroot_tmpdir/scmroot/ghc-gi-gio
Cloning into '/var/lib/mock/f45-build-10323-415/root/chroot_tmpdir/scmroot/ghc-gi-gio'...
$ git fetch origin e089674c7857390ef458e60dce8b002dd705b7b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-gi-gio
 * [new ref]         e089674c7857390ef458e60dce8b002dd705b7b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e089674 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild