$ git clone -n https://gitee.com/zhoujiajia111/jbig2dec_1.git /var/lib/mock/dist-an23.3-build-450794-73463/root/chroot_tmpdir/scmroot/jbig2dec_1
Cloning into '/var/lib/mock/dist-an23.3-build-450794-73463/root/chroot_tmpdir/scmroot/jbig2dec_1'...
$ git fetch origin b33b9f5464adcec85977636585e482d64a236267:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/jbig2dec_1
 * [new ref]         b33b9f5464adcec85977636585e482d64a236267 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b33b9f5 update jSource0