1 files changed, 164 insertions, 0 deletions
diff --git a/contrib/release/gen-copyright-years.sh b/contrib/release/gen-copyright-years.sh
new file mode 100755
index 0000000..f97691a
--- /dev/null
+++ b/contrib/release/gen-copyright-years.sh
@@ -0,0 +1,164 @@
+#!/bin/bash
+
+this=$(basename $0)
+
+max ()
+{
+    local a
+    a=$1
+    local b
+    b=$2
+
+    if [ "$a" = "" ]; then
+	echo "$b"
+	return
+    elif [ "$b" = "" ]; then
+	echo "$a"
+	return
+    fi
+
+    if [ $a -gt $b ]; then
+        echo "$a"
+    else
+        echo "$b"
+    fi
+}
+
+min ()
+{
+    local a
+    a="$1"
+    local b
+    b="$2"
+
+    if [ "$a" = "" ]; then
+	echo "$b"
+	return
+    elif [ "$b" = "" ]; then
+	echo "$a"
+	return
+    fi
+
+    if [ $a -lt $b ]; then
+        echo "$a"
+    else
+        echo "$b"
+    fi
+}
+
+print_range () {
+    local a
+    a="$1"
+    local b
+    b="$2"
+
+    if [ "$a" = "$b" ]; then
+	echo "$a"
+	return
+    fi
+    echo "$a-$b"
+}
+
+process_line ()
+{
+    local line
+    line="$1"
+
+    fsf=false
+    rh=false
+    suse=false;
+
+    if echo "$line" \
+	    | grep -q "Free Software Foundation, Inc\."; then
+	fsf=true
+	who=fsf
+	line=$(echo "$line" \
+		   | sed 's/Free Software Foundation, Inc\.//')
+    elif echo "$line" \
+	    | grep -q "Red Hat, Inc\."; then
+	rh=true
+	who=rh
+	line=$(echo "$line" \
+		   | sed 's/Red Hat, Inc\.//')
+    elif echo "$line" \
+	    | grep -q "SUSE LLC\."; then
+	suse=true
+	who=suse
+	line=$(echo "$line" \
+		   | sed 's/SUSE LLC\.//')
+    else
+	echo "error: unknown copyright: $line"
+	exit 1
+    fi
+
+    line=$(echo "$line" \
+	       | sed 's/[,-]/ /g')
+    max_year=$(echo "$line" \
+		   | sed 's/ /\n/g' \
+		   | grep -v '^$' \
+		   | sort -n -r \
+		   | head -n 1)
+    min_year=$(echo "$line" \
+		   | sed 's/ /\n/g' \
+		   | grep -v '^$' \
+		   | sort -n \
+		   | head -n 1)
+
+    if $fsf; then
+	fsf_max=$(max "$fsf_max" "$max_year")
+	fsf_min=$(min "$fsf_min" "$min_year")
+    elif $rh; then
+	rh_max=$(max "$rh_max" "$max_year")
+	rh_min=$(min "$rh_min" "$min_year")
+    elif $suse; then
+	suse_max=$(max "$suse_max" "$max_year")
+	suse_min=$(min "$suse_min" "$min_year")
+    fi
+}
+
+main ()
+{
+    if ! git status --ignored 2>&1 \
+	   | grep -q "nothing to commit, working tree clean"; then
+	echo "Git tree not clean"
+	exit 1
+    fi
+
+    local tmp
+    tmp=$(mktemp)
+
+    for f in *.c *.h *.def; do
+	if test "$f" = "native.c"; then continue; fi
+
+	if ! grep -q "Copyright (C)" $f; then
+	    echo "error: found file without copyright marker: $f"
+	    exit 1
+	fi
+
+	echo processing file: $f
+
+	grep -v '"' $f \
+	    | awk -f contrib/release/copyright-lines.awk \
+		  > $tmp
+
+	while read line; do
+	    line=$(echo "$line" \
+		       | sed 's/  */ /g')
+	    line=$(echo "$line" \
+		       | sed 's/.*Copyright (C) *//')
+	    echo "Processing line: $line"
+	    process_line "$line"
+	done < $tmp
+    done
+
+    rm -f $tmp
+
+    echo "-DFSF_YEARS='\"$(print_range $fsf_min $fsf_max)\"'" \
+	 > COPYRIGHT_YEARS
+    echo "-DRH_YEARS='\"$(print_range $rh_min $rh_max)\"'" \
+	 >> COPYRIGHT_YEARS
+    echo "-DSUSE_YEARS='\"$(print_range $suse_min $suse_max)\"'" \
+	 >> COPYRIGHT_YEARS
+}
+
+main "$@"