$ git clone -n https://gitee.com/rabbitali/cups_1764738492.git /var/lib/mock/dist-an23-build-490537-74493/root/chroot_tmpdir/scmroot/cups_1764738492
Cloning into '/var/lib/mock/dist-an23-build-490537-74493/root/chroot_tmpdir/scmroot/cups_1764738492'...
$ git fetch origin ab110e90471d512d06ab231839f1ded55143b7cd:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/cups_1764738492
 * [new ref]         ab110e90471d512d06ab231839f1ded55143b7cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab110e9 Update code from upstream