Merge pull request #944 from ngtcp2/release-script

Add release script

makerelease.sh

@@ -0,0 +1,20 @@
+#!/bin/sh -e
+
+TAG=$1
+PREV_TAG=$2
+
+git checkout refs/tags/$TAG
+git log --pretty=fuller --date=short refs/tags/$PREV_TAG..HEAD > ChangeLog
+
+autoreconf -i
+./configure && \
+    make dist-bzip2 && make dist-gzip && make dist-xz || echo "error"
+make distclean
+
+rm -f checksums.txt
+
+VERSION=`echo -n $TAG | sed -E 's|^v([0-9]+\.[0-9]+\.[0-9]+)(-DEV)?$|\1|'`
+for f in ngtcp2-$VERSION.tar.bz2 ngtcp2-$VERSION.tar.gz ngtcp2-$VERSION.tar.xz; do
+    sha256sum $f >> checksums.txt
+    gpg --armor --detach-sign $f
+done