$ git clone -n https://src.fedoraproject.org/rpms/kf6-qqc2-desktop-style.git /var/lib/mock/f40-build-2381747-60448/root/chroot_tmpdir/scmroot/kf6-qqc2-desktop-style
Cloning into '/var/lib/mock/f40-build-2381747-60448/root/chroot_tmpdir/scmroot/kf6-qqc2-desktop-style'...
$ git fetch origin 2229d6ccd07b9b2466b05ea89f2ac15bf892146f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-qqc2-desktop-style
 * [new ref]         2229d6ccd07b9b2466b05ea89f2ac15bf892146f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2229d6c 5.249.0