$ git clone -n https://gitee.com/mgb01105731/imath.git /var/lib/mock/dist-an23.3-build-426807-72998/root/chroot_tmpdir/scmroot/imath
Cloning into '/var/lib/mock/dist-an23.3-build-426807-72998/root/chroot_tmpdir/scmroot/imath'...
$ git fetch origin 9e485e858a6121d4d4723896fe6c266070460f49:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/imath
 * [new ref]         9e485e858a6121d4d4723896fe6c266070460f49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e485e8 rebuild