$ git clone -n https://gitee.com/fundawang/pcre2.git /var/lib/mock/dist-an23-build-190448-60785/root/chroot_tmpdir/scmroot/pcre2
Cloning into '/var/lib/mock/dist-an23-build-190448-60785/root/chroot_tmpdir/scmroot/pcre2'...
$ git fetch origin 885286e49a804588fc3d0b8faad10439c822bfab:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/pcre2
 * [new ref]         885286e49a804588fc3d0b8faad10439c822bfab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 885286e 10.42