$ git clone -n https://gitee.com/YunFei-Zhu/gdb.git /var/lib/mock/dist-an23.2-build-406628-72467/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/dist-an23.2-build-406628-72467/root/chroot_tmpdir/scmroot/gdb'...
$ git fetch origin 2d2cf11372633fced97c1082970cabda4f5e8380:KOJI_FETCH_HEAD
From https://gitee.com/YunFei-Zhu/gdb
 * [new ref]         2d2cf11372633fced97c1082970cabda4f5e8380 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d2cf11 test