$ git clone -n https://gitee.com/src-anolis-dde/log4c.git /var/lib/mock/dist-an23-dde-build-536543-82693/root/chroot_tmpdir/scmroot/log4c
Cloning into '/var/lib/mock/dist-an23-dde-build-536543-82693/root/chroot_tmpdir/scmroot/log4c'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/log4c
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77783a1 package init