$ git clone -n https://src.fedoraproject.org/rpms/kf6-qqc2-desktop-style.git /var/lib/mock/f41-build-side-1-3050552-37990/root/chroot_tmpdir/scmroot/kf6-qqc2-desktop-style
Cloning into '/var/lib/mock/f41-build-side-1-3050552-37990/root/chroot_tmpdir/scmroot/kf6-qqc2-desktop-style'...
$ git fetch origin 871492a11fa6d7cf6445e4546c766211c26cef14:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-qqc2-desktop-style
 * [new ref]         871492a11fa6d7cf6445e4546c766211c26cef14 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 871492a Rebuild (qt6)