[PATCH] kbuild: allow alternative hook script dir in .deb packages

[Frans Pop]

From: Frans Pop <elendil@xxxxxxxxx>
    
Hook scripts in the default directory /etc/kernel are also
executed by packages created using make-kpkg (including official
Debian kernels). Allow to specify an alternative hook scripts
directory by exporting the environment variable KERNELDEBHOOKDIR
so that this can be avoided.

Signed-off-by: Frans Pop <elendil@xxxxxxxxx>

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 2577dec..c76bbf1 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -55,14 +55,17 @@ if grep -q '^CONFIG_MODULES=y' .config ; then
 fi
 
 # Install the maintainer scripts
+# Note: hook scripts under /etc/kernel are also executed by kernel packages
+# built using make-kpkg (from the "kernelpackage" package)
+debhookdir=${KERNELDEBHOOKDIR:-/etc/kernel}
 for script in postinst postrm preinst prerm ; do
-	mkdir -p "$tmpdir/etc/kernel/$script.d"
+	mkdir -p "$tmpdir$debhookdir/$script.d"
 	cat <<EOF > "$tmpdir/DEBIAN/$script"
 #!/bin/sh
 
 set -e
 
-test -d /etc/kernel/$script.d && run-parts --arg="$version" /etc/kernel/$script.d
+test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d
 exit 0
 EOF
 	chmod 755 "$tmpdir/DEBIAN/$script"

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