$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtwebchannel.git /var/lib/mock/f38-build-side-42-init-devel-791735-27999/root/chroot_tmpdir/scmroot/qt6-qtwebchannel
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-791735-27999/root/chroot_tmpdir/scmroot/qt6-qtwebchannel'...
$ git fetch origin 2d819cd33a60bced186168a09b3ad22616129642:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtwebchannel
 * [new ref]         2d819cd33a60bced186168a09b3ad22616129642 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d819cd 6.4.3