$ git clone -n https://src.fedoraproject.org/rpms/mingw-nsiswrapper.git /var/lib/mock/f45-build-18610-524/root/chroot_tmpdir/scmroot/mingw-nsiswrapper
Cloning into '/var/lib/mock/f45-build-18610-524/root/chroot_tmpdir/scmroot/mingw-nsiswrapper'...
$ git fetch origin 82f5b5c7b177590bded2eaba629229c02590f13c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-nsiswrapper
 * [new ref]         82f5b5c7b177590bded2eaba629229c02590f13c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82f5b5c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild