$ git clone -n https://src.fedoraproject.org/rpms/mingw-orc.git /var/lib/mock/f45-build-18620-524/root/chroot_tmpdir/scmroot/mingw-orc
Cloning into '/var/lib/mock/f45-build-18620-524/root/chroot_tmpdir/scmroot/mingw-orc'...
$ git fetch origin 2c948faaeb1912d885e9fa0ed83aec56ac2fba0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-orc
 * [new ref]         2c948faaeb1912d885e9fa0ed83aec56ac2fba0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c948fa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild