1 files changed, 109 insertions, 0 deletions
diff --git a/scripts/update_spdx.sh b/scripts/update_spdx.sh
new file mode 100755
index 000000000..d601b1869
--- /dev/null
+++ b/scripts/update_spdx.sh
@@ -0,0 +1,109 @@
+#!/bin/bash
+#
+# Copyright (C) 2015 by Michael Olbrich <m.olbrich@pengutronix.de>
+#
+# See CREDITS for details about who has contributed to this project.
+#
+# For further information about the PTXdist project and license conditions
+# see the README file.
+#
+
+license_file="${1}"
+exception_file="${2}"
+output="$(dirname "$0")/lib/ptxd_make_spdx.sh"
+delim='|'
+
+if [ "${#}" -ne 2 ]; then
+	echo "usage: $0 <license-file> <exception-file>"
+	exit 1
+fi
+if [ ! -f "${license_file}" ]; then
+	echo "license file missing!"
+	exit 1
+fi
+if [ ! -f "${exception_file}" ]; then
+	echo "exception file missing!"
+	exit 1
+fi
+
+export IFS="${delim}"
+
+(
+    sed '/^$/q' "$0"
+
+    cat <<EOF
+#
+# WARNING: This file is generated with '$(basename "${0}")' from
+# '$(basename "${license_file}")' and '$(basename "${exception_file}")'.
+#
+# To regenerate this file export the license and exception sheets from the
+# original SPDX license list using '${delim}' as field delimiter and run
+# '$(basename "${0}")'.
+
+ptxd_make_spdx() {
+    license="\${1}"
+
+    case "\${license}" in
+EOF
+
+    last=
+    cols=0
+    echo "parsing license file ..." >&2
+    cat "${license_file}" | while read line; do
+	line="${last} ${line}"
+	last=
+	count="$(echo "${line}" | sed "s/[^${delim}]//g" | wc -c)"
+	if [ "${cols}" -eq 0 ]; then
+	    cols="${count}"
+	fi
+	if [ "${count}" -lt "${cols}" ]; then
+	    last="${line}"
+	    continue
+	fi
+	if [ "${count}" -gt "${cols}" ]; then
+	    echo "Too many columns: ${count}!" >&2
+	    exit 1
+	fi
+	set -- ${line}
+	if [ "${2}" = "License Identifier" -o -z "${2}" ]; then
+	    continue
+	fi
+	echo -n "	${2}) "
+	if [ "${5}" = "YES" ]; then
+	    echo -n 'osi="true" '
+	fi
+	echo ";;"
+    done
+    last=
+    cols=0
+    echo "parsing exception file ..." >&2
+    cat "${exception_file}" | while read line; do
+	line="${last} ${line}"
+	last=
+	count="$(echo "${line}" | sed "s/[^${delim}]//g" | wc -c)"
+	if [ "${cols}" -eq 0 ]; then
+	    cols="${count}"
+	fi
+	if [ "${count}" -lt "${cols}" ]; then
+	    last="${line}"
+	    continue
+	fi
+	if [ "${count}" -gt "${cols}" ]; then
+	    echo "Too many columns: ${count}!" >&2
+	    exit 1
+	fi
+	set -- ${line}
+	if [ "${2}" = "Exception Identifier" -o -z "${2}" ]; then
+	    continue
+	fi
+	echo -n "	${2}) exception=\"true\" "
+	echo ";;"
+    done
+
+cat <<EOF
+	*) return 1 ;;
+    esac
+}
+export -f ptxd_make_spdx
+EOF
+) > "${output}"