#! /bin/sh
#
# testbuild 0.1.0
#
# Copyright (C) 2011 Patrick "P. J." McDermott
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

VERSION='0.1.0'

usage()
{
	printf 'Usage: %s srcdir recipient[,recipient...] [repository] [refspec]\n'\
		"${1}" >&2
}

error()
{
	printf '%s\n' "${1}" >&2
	exit 1
}

if [ ${#} -lt 2 -o ${#} -gt 4 ]; then
	usage "${0}"
	exit 1
fi

srcdir="${1}"
file=`echo "${srcdir}" | sed 's@/$@@' | sed 's@^.*/\(.*\)$@\1@'`
recipients=`echo "${2}" | tr ',' ' '`
repository=${3:-'origin'}
refspec=${4:-'master'}

cd "${srcdir}" ||
	error "Cannot enter directory '${srcdir}'."

git pull "${repository}" "${refspec}" > /dev/null 2>&1 ||
	error "Cannot pull '${repository}/${refspec}'."
git remote update "${repository}" > /dev/null 2>&1 ||
	error "Cannot update '${repository}'."

output='Build log:
'
errors=false

output="${output}
\$ make clean"
output="${output}
`make clean 2>&1`"
[ $? -gt 1 ] && errors=true

output="${output}
\$ make"
output="${output}
`make 2>&1`"
[ $? -gt 1 ] && errors=true

output="${output}
\$ make clean"
output="${output}
`make clean 2>&1`"
[ $? -gt 1 ] && errors=true

output="${output}
\$ make debug"
output="${output}
`make debug 2>&1`"
[ $? -gt 1 ] && errors=true

if ${errors}; then
	printf '%s' "${output}" |
		mailx -s "testbuild: Failed build of ${file}" ${recipients}
fi