Updated copyright headers.

1 files changed, 46 insertions, 0 deletions

diff --git a/tools/maint/copyright.sh b/tools/maint/copyright.sh
new file mode 100755
index 0000000..6dff6b7
--- /dev/null
+++ b/tools/maint/copyright.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+GITCMD="git log --pretty=format:%ad --date=format:%Y "
+
+function get_min_date()
+{
+    $GITCMD $1 | tail -1
+}
+
+function get_max_date()
+{
+    $GITCMD $1 | head -1
+}
+
+function process_c_file()
+{
+    filename=$1
+
+    echo "Processing $filename..."
+
+    min=$( get_min_date $filename )
+
+    max=$( get_max_date $filename )
+
+    if [ "$min" -eq "$max" ]; then
+        timestamp="$min"
+    else
+        timestamp="$min-$max"
+    fi
+
+    sed -i "s# \* Copyright (C) [0-9-]* Cyrille Bagard# \* Copyright (C) $timestamp Cyrille Bagard#" $filename
+
+}
+
+
+if [ ! -f configure.ac ]; then
+    echo "This script has to be run from the top directory."
+    exit 1
+fi
+
+for file in $( find . -name '*.[ch]' -exec grep -l 'Copyright.*Cyrille Bagard$' {} \; );
+do
+    git ls-files --error-unmatch $file > /dev/null 2>&1 \
+        && process_c_file $file
+
+done