$ git clone -n https://gitee.com/ocs-upgrade/librepo.git /var/lib/mock/dist-ocs23-base-build-318194-33472/root/chroot_tmpdir/scmroot/librepo
Cloning into '/var/lib/mock/dist-ocs23-base-build-318194-33472/root/chroot_tmpdir/scmroot/librepo'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/librepo
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c57f29 Upgrade to version 1.20.0