$ git clone -n https://gitee.com/opencloudos-stream/php-pecl-xattr.git /var/lib/mock/dist-oc9-epol-build-94976-59581/root/chroot_tmpdir/scmroot/php-pecl-xattr
Cloning into '/var/lib/mock/dist-oc9-epol-build-94976-59581/root/chroot_tmpdir/scmroot/php-pecl-xattr'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/php-pecl-xattr
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b42009 package init