$ git clone -n https://gitee.com/fundawang/exiv2.git /var/lib/mock/dist-an23-build-353946-71027/root/chroot_tmpdir/scmroot/exiv2
Cloning into '/var/lib/mock/dist-an23-build-353946-71027/root/chroot_tmpdir/scmroot/exiv2'...
$ git fetch origin 6e844da88377cc6835814088808473660821356f:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/exiv2
 * [new ref]         6e844da88377cc6835814088808473660821356f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e844da 0.28.2