$ git clone -n https://src.fedoraproject.org/rpms/qt-creator.git /var/lib/mock/f43-build-54851-6601/root/chroot_tmpdir/scmroot/qt-creator
Cloning into '/var/lib/mock/f43-build-54851-6601/root/chroot_tmpdir/scmroot/qt-creator'...
$ git fetch origin 11a9094bba3c59c64bb12f5824fa10d8bf88a6e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt-creator
 * [new ref]         11a9094bba3c59c64bb12f5824fa10d8bf88a6e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11a9094 Rebuild (qt6)