$ git clone -n https://gitee.com/Yang_X_Y/libgexiv2.git /var/lib/mock/dist-an23-build-470383-74061/root/chroot_tmpdir/scmroot/libgexiv2
Cloning into '/var/lib/mock/dist-an23-build-470383-74061/root/chroot_tmpdir/scmroot/libgexiv2'...
$ git fetch origin e3118700299dcfb559644555ae6579830730a3bc:KOJI_FETCH_HEAD
From https://gitee.com/Yang_X_Y/libgexiv2
 * [new ref]         e3118700299dcfb559644555ae6579830730a3bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e311870 Rebuild with exiv2 0.28.7