$ git clone -n https://src.fedoraproject.org/rpms/mingw-libsigsegv.git /var/lib/mock/f45-build-18574-522/root/chroot_tmpdir/scmroot/mingw-libsigsegv
Cloning into '/var/lib/mock/f45-build-18574-522/root/chroot_tmpdir/scmroot/mingw-libsigsegv'...
$ git fetch origin c97565020b37cccf39b6db9bff77a780cf5d9f08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-libsigsegv
 * [new ref]         c97565020b37cccf39b6db9bff77a780cf5d9f08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c975650 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild