[*] First commit

tools/arch-binfmt

@@ -0,0 +1,46 @@
+#!/bin/bash
+#
+# /usr/lib/initscripts/arch-binfmt
+#
+# Configure additional binary formats at boot
+#
+
+shopt -s nullglob
+
+declare -a binfmt_d
+# files given has argv supersede config files
+if (( $# > 0 )); then
+	for arg; do [[ -r "$arg" ]] && binfmt_d+=("$arg"); done
+else
+	binfmt_d=(
+		/usr/lib/binfmt.d/*.conf
+		/etc/binfmt.d/*.conf
+		/run/binfmt.d/*.conf
+	)
+fi
+
+# check there is file to load
+(( ${#binfmt_d[@]} > 0 )) || exit 0
+
+# mount binfmt_misc if api filesystem is missing
+mountpoint -q /proc/sys/fs/binfmt_misc ||
+	mount /proc/sys/fs/binfmt_misc &>/dev/null ||
+		mount -t binfmt_misc binfmt /proc/sys/fs/binfmt_misc
+
+# files declared later in the binfmt_d array will override earlier
+# Example: `/etc/binfmt.d/foo.conf' supersedes `/usr/lib/binfmt.d/foo.conf'.
+declare -A fragments
+for path in "${binfmt_d[@]}"; do
+	[[ -f $path ]] && fragments[${path##*/}]=$path
+done
+
+for path in "${fragments[@]}"; do
+	while read -r line; do
+		[[ ${line:0:1} == '#' ]] && continue
+		printf "%s" "$line" > /proc/sys/fs/binfmt_misc/register
+	done < "$path"
+done
+
+:
+
+# vim: set ts=2 sw=2 noet: