git-changelog script.

bin/git-changelog

@@ -0,0 +1,52 @@
+#!/bin/sh
+# Based on git-extras
+
+FILE=""
+LIST=false
+TAG="0.?.?"
+
+while [ "$1" != "" ]; do
+	case $1 in
+		-l | --list )
+			LIST=true
+			;;
+		-t | --tag )
+			TAG=$2
+			shift
+			;;
+		* )
+			FILE=$1
+			;;
+	esac
+	shift
+done
+
+DATE=`date +'%Y-%m-%d'`
+HEAD="\n### $DATE v$TAG\n\n"
+
+if $LIST; then
+	version=$(git describe --tags --abbrev=0 $(git rev-list --tags --max-count=1))
+	if test -z "$version"; then
+		git log --pretty="format:* %s"
+	else
+		git log --pretty="format:* %s" $version..
+	fi
+	exit
+fi
+
+CHANGELOG=$FILE
+if test "$CHANGELOG" = ""; then
+	CHANGELOG=`ls | egrep 'change|history' -i`
+	if test "$CHANGELOG" = ""; then
+		CHANGELOG='History.md';
+	fi
+fi
+
+tmp="/tmp/changelog"
+printf "$HEAD" > $tmp
+git-changelog --list >> $tmp
+printf '\n' >> $tmp
+if [ -f $CHANGELOG ]; then cat $CHANGELOG >> $tmp; fi
+mv $tmp $CHANGELOG
+
+subl $CHANGELOG