$ git clone -n https://src.fedoraproject.org/rpms/mingw-icu.git /var/lib/mock/f45-build-18492-519/root/chroot_tmpdir/scmroot/mingw-icu
Cloning into '/var/lib/mock/f45-build-18492-519/root/chroot_tmpdir/scmroot/mingw-icu'...
$ git fetch origin d382721b9cfd3b5b0a7dd819f13116842d96d4f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-icu
 * [new ref]         d382721b9cfd3b5b0a7dd819f13116842d96d4f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d382721 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild