$ git clone -n https://gitee.com/yan1hcdc/libgexiv2.git /var/lib/mock/dist-an23-build-445814-73289/root/chroot_tmpdir/scmroot/libgexiv2
Cloning into '/var/lib/mock/dist-an23-build-445814-73289/root/chroot_tmpdir/scmroot/libgexiv2'...
$ git fetch origin 297f3c1b326f0238862bcd99122c7190d5c11f65:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/libgexiv2
 * [new ref]         297f3c1b326f0238862bcd99122c7190d5c11f65 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 297f3c1 Rebuild with exiv2 0.28.2 for riscv