#! /bin/bash

# Butchered version of snapshot
# Can only run on the shell compile farm server
# Will always create a snapshot of HEAD
# If want multiple snapshots, just run with "sfsnapshot {branch} [branch2 ...]"
# Assumes:
#  ssh setup to send to shell.sf.net and $CF without password prompt
#  autconf and automake installed on shell cf at v 2.57 & 1.72 and in PATH

function die { echo $1; exit 1; }

# This makes the distribution. Expects $1 as CVS tag, otherwise uses HEAD
function make_dist {
	if [[ -n $1 ]] ; then
		cvs_rel=$1
		v="$1-"
	else
		cvs_rel="HEAD"
		v=""
	fi
	
	# Get compile server to do the work
	# Variables will be expanded locally before being run on $CF
	ssh $CF <<-EOF
	set -x
	PATH=$PATH
	[[ ! -d $IN/$cvs_rel ]] && mkdir -p $IN/$cvs_rel
	cd $IN/$cvs_rel
	if [[ -d $PROJECT ]] ; then
		cd $PROJECT 
		cvs update -r $cvs_rel
	else
		cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/nagiosplug co -r $cvs_rel nagiosplug
		cd $PROJECT
	fi

	sed 's/^VER=.*/VER=$v$DS/;s/^REL=.*/REL=snapshot/' configure.in > configure.tmp
	mv configure.tmp configure.in
	aclocal -I lib
	autoheader
	autoconf
	automake --add-missing --copy
	autoreconf
	./configure

	# Make the Nagiosplug dist tarball
	make dist

	# End ssh
	EOF
}

# Set working variables
PROJECT=nagiosplug
IN=${HOME}/tmp_snapshot
OUT_SERVER="shell.sf.net"
OUT="/home/groups/n/na/nagiosplug/htdocs/snapshot"
CF="usf-cf-x86-linux-2"
DS=`date -u +%Y%m%d%H%M`

# Make dists for HEAD and any others in command parameters
make_dist
for i in $* ; do
	make_dist $i
done

# Check for *.gz files locally (expect NFS between cf shell server and $CF)
set -x
files=$(ls $IN/*/$PROJECT/*.gz 2>/dev/null)
[[ -z $files ]] && die "No files created"
ssh $OUT_SERVER "rm -f $OUT/*.gz"
scp $files $OUT_SERVER:$OUT

# Create MD5 sum
ssh $OUT_SERVER << EOF
cd $OUT
md5sum *.gz > MD5SUM
EOF

rm -f $files