$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtwebchannel.git /var/lib/mock/f38-build-side-42-init-devel-823758-28356/root/chroot_tmpdir/scmroot/mingw-qt6-qtwebchannel
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-823758-28356/root/chroot_tmpdir/scmroot/mingw-qt6-qtwebchannel'...
$ git fetch origin 02b28a2c0c50f12e178dff2f19b358f42a3cebf9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtwebchannel
 * [new ref]         02b28a2c0c50f12e178dff2f19b358f42a3cebf9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02b28a2 BR: mingw-gcc-c++