From 9c4589ac2fd8c9db921c51e921a9fbfc5c3efa4f Mon Sep 17 00:00:00 2001
From: Max Christian Pohle
Date: Wed, 24 Mar 2021 18:54:21 +0100
Subject: Made squash script FreeBSD compatible

---
 zfs-squash-datasets.sh | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/zfs-squash-datasets.sh b/zfs-squash-datasets.sh
index c61af40..d668c80 100755
--- a/zfs-squash-datasets.sh
+++ b/zfs-squash-datasets.sh
@@ -1,7 +1,8 @@
+#!/usr/local/bin/bash
 DATASET_ROOT=$1
 DATASET_TARGET=$2
 
-MOUNTPOINT_TARGET=$(zfs get -H mountpoint -o value $DATASET_TARGET)
+MOUNTPOINT_TARGET=$(zfs get -o value -H mountpoint $DATASET_TARGET)
 
 if ! test -d "$MOUNTPOINT_TARGET"; then
     echo "Please run this program with a source and a target dataset name as arguments"
@@ -13,8 +14,8 @@ fi
 trap exit INT
 
 # recursively contains all snapshot names (the part after the @) from root on, sorted and only once
-SNAPSHOTS=$(zfs list -H -r $DATASET_ROOT -oname -tsnap | cut -d@ -f2 | sort  | uniq)
-DATASETS=$(zfs list -H -r $DATASET_ROOT -oname -t filesystem)
+SNAPSHOTS=$(zfs list -H  -oname -tsnap -r $DATASET_ROOT| cut -d@ -f2 | sort  | uniq)
+DATASETS=$(zfs list -H -oname -t filesystem -r $DATASET_ROOT)
 
 echo "We are going to flatten the hierachy of this dataset:"
 printf "    %s\n" $DATASETS
@@ -35,7 +36,7 @@ for SNAPSHOT in $SNAPSHOTS; do
 
     for DATASET in $DATASETS; do
 
-        MOUNTPOINT=$(zfs get -H mountpoint -o value $DATASET)
+        MOUNTPOINT=$(zfs get -H -o value mountpoint $DATASET)
 
         if [[ $MOUNTPOINT == "legacy" ]]; then
             MOUNTPOINT=$(findmnt -n -o target $DATASET)
-- 
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