add some helper files to create tar and changes

Makefile

@@ -0,0 +1,15 @@
+PRJ=openSUSE:Tools
+PKG=osc-source_validator
+
+all:
+
+package:
+	@if test -d $(PKG); then cd $(PKG) && osc up && cd -; else osc co -c $(PRJ) $(PKG); fi
+	@./mkchanges | tee $(PKG)/.changes
+	@test ! -s $(PKG)/.changes || git push
+	@test -z "`git rev-list remotes/origin/master..master`" || { echo "unpushed changes"; exit 1; }
+	@f=(*bz2); test -z "$f" || /bin/rm -vi *.bz2
+	@./mktar
+	@mv *bz2 $(PKG)
+
+.PHONY: all package

mkchanges

@@ -0,0 +1,7 @@
+#!/bin/sh
+# create log suitable for c&p into rpm changes file
+if [ -z "$1" ]; then
+	set -- remotes/origin/master..master
+fi
+# no idea why it always prints those commit lines
+git rev-list --pretty=format:" - %s" "$@" |grep -v ^commit

mktar

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -e
+NAME=osc-source_validator
+VERSION=0.1
+datefmt="%Y.%m.%d.%H%M"
+LAST_COMMIT=(`git rev-list --timestamp HEAD^..HEAD`)
+DATE=`date +$datefmt -d "1970-01-01 00:00 UTC $LAST_COMMIT seconds"`
+#scmver="$DATE"
+fullver="$VERSION${scmver:+_}$scmver"
+pfx="$NAME${fullver:+-$fullver}"
+fn="$pfx".tar.bz2
+git archive --prefix="$pfx"/ HEAD | bzip2 > $fn
+echo "version $fullver -> $fn"