$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtquickcontrols.git /var/lib/mock/f39-build-2190793-51440/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols
Cloning into '/var/lib/mock/f39-build-2190793-51440/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols'...
$ git fetch origin 3b567c4b4088de1198a0c18b5c62637c77446688:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtquickcontrols
 * [new ref]         3b567c4b4088de1198a0c18b5c62637c77446688 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b567c4 5.15.12