Adding some git query scripts for information gathering

scripts/query-git-stats.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+EXCLUDED_FILES="/\.xml$/d;/\.txt$/d;/package-info\.java/d;/\.yml$/d;/\.md$/d;/\.mod$/d"
+EXCLUDED_PATHS="/jetty-ant\//d;/tests\//d;/examples\//d;/\/src\/test\//d"
+
+FILTEREDLOG=git-filtered.log
+
+git log \
+  --after '2015-12-01 00:00' \
+  --until '2016-03-31 23:59' \
+  --oneline > $FILTEREDLOG
+
+UNIQCOMMITS=$(cat $FILTEREDLOG | wc -l)
+
+git log \
+  --after '2015-12-01 00:00' \
+  --until '2016-03-31 23:59' \
+  --numstat --format= | sed \
+    -e "$EXCLUDED_FILES" \
+    -e "$EXCLUDED_PATHS" \
+    | sort --key=3 > $FILTEREDLOG
+
+UNIQFILES=$(cat $FILTEREDLOG | cut -f 3- | uniq | wc -l)
+
+# Show output
+echo "$UNIQCOMMITS unique commits"
+echo "$UNIQFILES unique files"
+cat $FILTEREDLOG | awk '{total = total + $1}END{print total " lines added"}'
+cat $FILTEREDLOG | awk '{total = total + $2}END{print total " lines removed"}'
+
+rm $FILTEREDLOG
+