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From: Janne Grunau <j@jannau.net>
Date: Tue, 19 Aug 2025 22:55:33 +0200
Subject: update-m1n1: Expand $DTBS if it is a directory
Allows limiting the included devices to Apple silicon macs now that the
kernel has device-trees for iphones, ipads and T2 macs as well.
Avoids having each distribution to modify their default update-m1n1
configuration for this.
Signed-off-by: Janne Grunau <j@jannau.net>
---
update-m1n1 | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/update-m1n1 b/update-m1n1
index ae274eb..dcd79fa 100755
--- a/update-m1n1
+++ b/update-m1n1
@@ -24,6 +24,12 @@ if [ -z "$DTBS" ]; then
exit 1
fi
+# If ${DTBS} is a directory expand it to include dtbs from all Apple silicon
+# macs.
+if [ -d "$DTBS" ]; then
+ DTBS="${DTBS}/apple/t6*.dtb ${DTBS}/apple/t81*.dtb"
+fi
+
umount=false
m1n1config=/run/m1n1.conf
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