172 lines
5.1 KiB
Bash
Executable File
172 lines
5.1 KiB
Bash
Executable File
#! /bin/bash
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########################################################################
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#
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# File: reg_periodic
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# Author: Janis Johnson
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# Date: 2002/12/28
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#
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# Over a range of dates at specified intervals, invoke separate tools to
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# update sources, do a build, and run one or more tests.
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#
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# Define these in a file whose name is the argument to this script:
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# LOW_DATE: Date string recognized by the date command.
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# HIGH_DATE: Date string recognized by the date command.
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# INTERVAL: Time (in seconds) between dates for which to build.
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# REG_UPDATE: Pathname of script to update your source tree.
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# REG_BUILD: Pathname of script to build enough of the product to run
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# the test.
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# REG_TEST: Pathname of script to run one or more tests.
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# Optional:
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# VERBOSITY: Default is 0, to print only errors and final message.
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# DATE_IN_MSG If set to anything but 0, include the time and date in
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# messages
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# REG_STOP Pathname of a file whose existence says to quit; default
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# is STOP in the current directory.
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#
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#
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# Copyright (c) 2002, 2003, 2005 Free Software Foundation, Inc.
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#
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# This file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# For a copy of the GNU General Public License, write the the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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#
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########################################################################
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########################################################################
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# Functions
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########################################################################
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# Issue a message if its verbosity level is high enough.
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msg() {
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test ${1} -gt ${VERBOSITY} && return
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if [ "x${DATE_IN_MSG}" = "x" ]; then
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echo "${2}"
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else
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echo "`${DATE}` ${2}"
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fi
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}
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# Issue an error message and exit with a nonzero status.
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error() {
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msg 0 "error: ${1}"
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exit 1
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}
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# Turn seconds since the epoch into a date we can use with source
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# control tools and report to the user.
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make_date() {
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MADE_DATE="`${DATE} -u +\"%Y-%m-%d %H:%M %Z\" --date \"1970-01-01 ${1} seconds\"`" \
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|| error "make_date: date command failed"
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}
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# Build the components to test using sources as of a particular date and
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# run a test case. Pass each of the scripts the date that we're
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# testing; the first one needs it, the others can ignore it if they want.
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process_date() {
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TEST_DATE="${1}"
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${REG_UPDATE} "${TEST_DATE}"
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if [ $? -ne 0 ]; then
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msg 0 "source update failed for ${TEST_DATE}"
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return
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fi
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${REG_BUILD} "${TEST_DATE}"
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if [ $? -ne 0 ]; then
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msg 0 "build failed for ${TEST_DATE}"
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return
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fi
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${REG_TEST} "${TEST_DATE}"
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}
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########################################################################
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# Main program (so to speak)
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########################################################################
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# If DATE isn't defined, use the default date command; the configuration
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# file can override this.
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if [ "x${DATE}" = "x" ]; then
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DATE=date
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fi
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# Process the configuration file.
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if [ $# -ne 1 ]; then
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echo Usage: $0 config_file
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exit 1
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fi
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CONFIG=${1}
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if [ ! -f ${CONFIG} ]; then
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error "configuration file ${CONFIG} does not exist"
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fi
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# OK, the config file exists. Source it, make sure required parameters
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# are defined and their files exist, and give default values to optional
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# parameters.
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. ${CONFIG}
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test "x${REG_UPDATE}" = "x" && error "REG_UPDATE is not defined"
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test "x${REG_BUILD}" = "x" && error "REG_BUILD is not defined"
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test "x${REG_TEST}" = "x" && error "REG_TEST is not defined"
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test "x${INTERVAL}" = "x" && error "INTERVAL is not defined"
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test -x ${REG_TEST} || error "REG_TEST is not an executable file"
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test "x${VERBOSITY}" = "x" && VERBOSITY=0
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test "x${REG_STOP}" = "x" && REG_STOP="STOP"
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msg 2 "LOW_DATE = ${LOW_DATE}"
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msg 2 "HIGH_DATE = ${HIGH_DATE}"
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msg 2 "INTERVAL = ${INTERVAL}"
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msg 2 "REG_UPDATE = ${REG_UPDATE}"
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msg 2 "REG_BUILD = ${REG_BUILD}"
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msg 2 "REG_TEST = ${REG_TEST}"
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msg 2 "VERBOSITY = ${VERBOSITY}"
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# Change the dates into seconds since the epoch. This uses an extension
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# in GNU date.
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LOW_DATE=`${DATE} +%s --date "${LOW_DATE}"` || \
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error "date command failed for \"${LOW_DATE}\""
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HIGH_DATE=`${DATE} +%s --date "${HIGH_DATE}"` || \
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error "date command failed for \"${LOW_DATE}\""
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# Process each date in the range.
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while [ ${LOW_DATE} -le ${HIGH_DATE} ]; do
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# If a file called STOP appears, stop; this allows a clean way to
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# interrupt a search.
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if [ -f ${REG_STOP} ]; then
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msg 0 "STOP file detected"
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rm -f ${REG_STOP}
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exit 1
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fi
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# Get a version of the date that is usable by tools and readable
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# by people, then process it.
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make_date ${LOW_DATE}
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process_date "${MADE_DATE}"
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let LOW_DATE=LOW_DATE+INTERVAL
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done
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msg 1 "done"
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