Hi! I'm attaching a patch that implements this, stolen from i-t: https://sources.debian.org/src/initramfs-tools/0.139/update-initramfs/?hl=L158#L158
Best, наб
From 4b5bcda703b4655c7eea52a092a21fdd61da1204 Mon Sep 17 00:00:00 2001
From: наб <nabijaczlew...@nabijaczleweli.xyz>
Date: Tue, 15 Sep 2020 20:32:08 +0200
Subject: [PATCH] Invoke bootloader hooks from /etc/initramfs/post-update.d
after making image
---
dracut.sh | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/dracut.sh b/dracut.sh
index 1c8cce82..6c134bad 100755
--- a/dracut.sh
+++ b/dracut.sh
@@ -2141,4 +2141,10 @@ if test -d $dracutsysrootdir/run/systemd/system; then
fi
fi
+# Invoke policy-conformant bootloader hooks
+if [ -d /etc/initramfs/post-update.d/ ]; then
+ run-parts --arg="${kernel}" --arg="${outfile}" \
+ /etc/initramfs/post-update.d/
+fi
+
exit 0
--
2.20.1
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