$ git clone -n https://gitee.com/src-anolis-os/perl-Devel-Size.git /var/lib/mock/dist-an7_9-updates-build-390348-72012/root/chroot_tmpdir/scmroot/perl-Devel-Size
Cloning into '/var/lib/mock/dist-an7_9-updates-build-390348-72012/root/chroot_tmpdir/scmroot/perl-Devel-Size'...
$ git fetch origin 3b2777fd371eed91687c68d0c33562f997125a42:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/perl-Devel-Size
 * [new ref]         3b2777fd371eed91687c68d0c33562f997125a42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b2777f spec: add sub doc package