From 85007db580ccf662a45cf2aaeb83518ad2ddb85a Mon Sep 17 00:00:00 2001
From: Cullum Smith <cullum@sacredheartsc.com>
Date: Thu, 11 Jul 2024 10:55:45 -0400
Subject: initial boxconf scaffolding

---
 lib/50-zfs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 lib/50-zfs

(limited to 'lib/50-zfs')

diff --git a/lib/50-zfs b/lib/50-zfs
new file mode 100644
index 0000000..2948601
--- /dev/null
+++ b/lib/50-zfs
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+dataset_exists(){
+  # Check if a ZFS dataset exists.
+  # $1 = dataset name
+  zfs list "$1" > /dev/null 2>&1
+}
+
+create_dataset(){
+  # Create a ZFS dataset if it doesn't already exists.
+  # All options are passed directly to `zfs create`. Assumes the dataset name is
+  # passed as the final argument.
+  eval "_bccd_dataset=\$$#"
+  dataset_exists "$_bccd_dataset" || zfs create -v "$@"
+}
-- 
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