$ git clone -n https://gitee.com/opencloudos-stream/php-pecl-yac.git /var/lib/mock/dist-oc9-epol-build-77650-52838/root/chroot_tmpdir/scmroot/php-pecl-yac
Cloning into '/var/lib/mock/dist-oc9-epol-build-77650-52838/root/chroot_tmpdir/scmroot/php-pecl-yac'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/php-pecl-yac
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0d0048 package init