Add release script as requested in #2

scripts/release.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+PROJECT=smtprelay
+VERSION=1.3.0
+
+for goos in freebsd linux windows
+do
+   for goarch in 386 amd64
+   do
+      export GOOS=${goos}
+      export GOARCH=${goarch}
+
+      RELDIR=${PROJECT}-${VERSION}-${GOOS}-${GOARCH}
+
+      rm -rf ${RELDIR}
+      mkdir ${RELDIR} || exit 1
+      cp -p README.md LICENSE ${PROJECT}.ini ${RELDIR}/ || exit 1
+
+      if [ ${GOOS} = "windows" ]; then
+        BINARY=${PROJECT}.exe
+        sed -I '' -e 's/;logfile =.*/logfile =/g' ${RELDIR}/${PROJECT}.ini
+        sed -I '' -e 's/$/^M/' ${RELDIR}/${PROJECT}.ini
+      else
+        BINARY=${PROJECT}
+      fi
+
+      go build -ldflags="-s -w" -o ${RELDIR}/${BINARY} || exit 1
+
+      chown -R root:wheel ${RELDIR} || exit 1
+      tar cvfJ ${RELDIR}.tar.xz ${RELDIR} || exit 1
+      rm -rf ${RELDIR}
+   done
+done
+