Add checknewver.sh - a shell script which checks for availability of newest

version of distfiles on MASTER_SITES. This is still work in progress, so
please use with caution and don't forget report bugs and submit patches.

Tools/scripts/checknewver.sh

@@ -0,0 +1,85 @@
+#!/bin/sh
+#
+# checknewver
+# Check for availability of the newest distfiles
+#
+# ----------------------------------------------------------------------------
+# "THE BEER-WARE LICENSE" (Revision 42, (c) Poul-Henning Kamp):
+# Maxim Sobolev <sobomax@altavista.net wrote this file.  As long as you retain
+# this notice you can do whatever you want with this stuff. If we meet some
+# day, and you think this stuff is worth it, you can buy me a beer in return.
+#
+# Maxim Sobolev
+# ----------------------------------------------------------------------------
+#
+# $FreeBSD$
+#
+# MAINTAINER= sobomax@FreeBSD.org
+
+if [ x`which ftpls` = x"" ]; then
+  echo -n "ERROR: Couldn't find ftpls program, which is part of " >&2
+  echo "ports/ftp/ftpcopy port." >&2
+  echo "       Please make sure that it is installed and try again." >&2
+  exit 1
+fi
+
+if [ ! -e Makefile ]; then
+  echo "ERROR: Couldn't find Makefile here." >&2
+  exit 1
+fi
+
+PORTNAME=`make -V PORTNAME`
+PORTVERSION=`make -V PORTVERSION`
+DISTFILES=`make -V DISTFILES`
+if [ x"${PORTNAME}" = x"" -o x"${PORTVERSION}" = x"" -o x"${DISTFILES}" = x"" ]; then
+  echo "ERROR: either PORTNAME, PORTVERSION or DISTFILES is undefined in Makefile." >&2
+  exit 1
+fi
+
+MASTER_SITES=`env MASTER_SITE_BACKUP=\"\" make -V MASTER_SITES | xargs -n1 echo | grep ^ftp://`
+if [ x"${MASTER_SITES}" = x"" ]; then
+  echo "ERROR: either MASTER_SITES is undefined in Makefile or it doesn't contain any ftp sites." >&2
+  exit 1
+fi
+
+echo "Checking for updated version of ${PORTNAME}..." >&2
+PV_PATR=`echo ${PORTVERSION} | sed 's=\.=\\\\.=g'`
+for DISTNAME in ${DISTFILES}; do
+  DF_PATR=`echo ${DISTNAME} | sed "s=${PV_PATR}=.*=" | \
+    sed 's=\.=\\\\.=g ; s=\\\.\*=.*='`
+  DF_CHECK=`echo ${DISTNAME} | sed 's=\.=\\\\.=g`
+  if [ x"${DF_PATR}" = x"${DF_CHECK}" ]; then
+    echo "WARN: Couldn't construct searching pattern - ${DISTNAME} ignored." >&2
+  else
+    DF_PATRNS="${DF_PATRNS} ${DF_PATR}"
+    F_DISTFILES="${F_DISTFILES} ${DISTNAME}"
+  fi
+done
+
+if [ x"${F_DISTFILES}" = x"" ]; then
+  echo "WARN: Nothing to check - exitting." >&2
+  exit 0
+fi
+
+DISTFILES="${F_DISTFILES}"
+
+for MASTER_SITE in ${MASTER_SITES}; do
+  echo "...checking ${MASTER_SITE}" >&2
+  FTPLIST=`ftpls ${MASTER_SITE} 2>/dev/null | grep -v ^dir | awk '{print $6}'`
+  for DISTNAME in ${DISTFILES}; do
+    DF_PATR=`echo ${DISTNAME} | sed "s=${PV_PATR}=.*=" | \
+      sed 's=\.=\\\\.=g ; s=\\\.\*=.*='`
+    for i in `echo ${FTPLIST} | xargs -n1 echo | grep "${DF_PATR}"` ; do
+      if [ "${i}" ">" "${DISTNAME}" ]; then
+	NEW="${NEW} ${MASTER_SITE}${i}"
+      fi
+    done
+  done
+done
+
+if [ x"${NEW}" != x"" ]; then
+  echo ""
+  echo "Hmm, is seems that there is newest version(s) at:"
+  echo "${NEW}" | xargs -n1 echo
+  echo ""
+fi