$ git clone -n https://src.fedoraproject.org/rpms/mingw-gcc.git /var/lib/mock/f40-build-2297476-56466/root/chroot_tmpdir/scmroot/mingw-gcc
Cloning into '/var/lib/mock/f40-build-2297476-56466/root/chroot_tmpdir/scmroot/mingw-gcc'...
$ git fetch origin 2641b9673e4e8189f56c5b61873dcb06cb66ae53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-gcc
 * [new ref]         2641b9673e4e8189f56c5b61873dcb06cb66ae53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2641b96 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild