$ git clone -n https://gitee.com/ywyw22/squashfs-tools /var/lib/mock/dist-an23-build-187554-60689/root/chroot_tmpdir/scmroot/squashfs-tools
Cloning into '/var/lib/mock/dist-an23-build-187554-60689/root/chroot_tmpdir/scmroot/squashfs-tools'...
$ git fetch origin 3577cbf9c3acbb9f1f343b6d1670d0b75248880b:KOJI_FETCH_HEAD
From https://gitee.com/ywyw22/squashfs-tools
 * [new ref]         3577cbf9c3acbb9f1f343b6d1670d0b75248880b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3577cbf add doc package