$ git clone -n https://gitee.com/mgb01105731/golang-github-uber-jaeger-lib.git /var/lib/mock/dist-an23-epao-build-299874-65901/root/chroot_tmpdir/scmroot/golang-github-uber-jaeger-lib
Cloning into '/var/lib/mock/dist-an23-epao-build-299874-65901/root/chroot_tmpdir/scmroot/golang-github-uber-jaeger-lib'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/golang-github-uber-jaeger-lib
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e1b843 init upstream from version 2.4.1