$ git clone -n https://src.fedoraproject.org/rpms/qt-creator.git /var/lib/mock/f41-build-side-1-2675003-29291/root/chroot_tmpdir/scmroot/qt-creator
Cloning into '/var/lib/mock/f41-build-side-1-2675003-29291/root/chroot_tmpdir/scmroot/qt-creator'...
remote: warning: refname 'HEAD' is ambiguous.        
$ git fetch origin d703d417bbd64dc0343ec5d6707b18fd42c864d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt-creator
 * [new ref]         d703d417bbd64dc0343ec5d6707b18fd42c864d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d703d41 Update to 14.0.1