$ git clone -n https://gitee.com/yikanji/squashfs-tools.git /var/lib/mock/dist-an8.6-build-166012-58781/root/chroot_tmpdir/scmroot/squashfs-tools
Cloning into '/var/lib/mock/dist-an8.6-build-166012-58781/root/chroot_tmpdir/scmroot/squashfs-tools'...
$ git reset --hard 0da0c7ea8ab161696d166a7e7ec0e339958e9925
HEAD is now at 0da0c7e use extern in header files when declaring global variables