$ git clone -n https://gitee.com/src-anolis-os/squashfs-tools.git /var/lib/mock/dist-an8.7-build-278212-64361/root/chroot_tmpdir/scmroot/squashfs-tools
Cloning into '/var/lib/mock/dist-an8.7-build-278212-64361/root/chroot_tmpdir/scmroot/squashfs-tools'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/squashfs-tools
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0da0c7e use extern in header files when declaring global variables