add a script to generate changelog

changelog.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -e
+
+date="$1"
+packs=("ariya-icons" "kdelibs" "kde-baseapps" "kde-workspace" "kde-extraapps" "kde-l10n")
+cwd="$(pwd)"
+if [ -z "$date" ];then
+    echo "Pass a date, e.g. 2014-12-22"
+    exit 1
+fi
+
+source "$(dirname $0)/fetch.sh"
+
+changes=""
+for p in "${packs[@]}";do
+    echo "Generating changes for $p..."
+    cd "$p"
+    changes+="\nChanges to $p since $date:"
+    changes+="\n$(git log --since=$date --format='  * %s')\n"
+    cd "$cwd"
+done
+echo -e "$changes" > changelog.txt