$ git clone -n https://gitee.com/xuchun-shang/kmod-udma.git /var/lib/mock/dist-an23-build-300056-65922/root/chroot_tmpdir/scmroot/kmod-udma
Cloning into '/var/lib/mock/dist-an23-build-300056-65922/root/chroot_tmpdir/scmroot/kmod-udma'...
$ git fetch origin 7ddb665a4c45a6e835dec91255a7e2f95d559dfe:KOJI_FETCH_HEAD
From https://gitee.com/xuchun-shang/kmod-udma
 * [new ref]         7ddb665a4c45a6e835dec91255a7e2f95d559dfe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ddb665 Init commit