$ git clone -n https://gitee.com/idolsama/qt5-qtbase.git /var/lib/mock/dist-an23-build-337512-69712/root/chroot_tmpdir/scmroot/qt5-qtbase
Cloning into '/var/lib/mock/dist-an23-build-337512-69712/root/chroot_tmpdir/scmroot/qt5-qtbase'...
$ git fetch origin 7178cdb76cde6e04c2f538b15400d73842aa35c5:KOJI_FETCH_HEAD
From https://gitee.com/idolsama/qt5-qtbase
 * [new ref]         7178cdb76cde6e04c2f538b15400d73842aa35c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7178cdb Add riscv64 support