File: upgrade-setup

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pcp 7.0.5-1
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#!/bin/sh
#
# Upgrade testing setup
# - ensure <distro> packages are in place
# - ensure <previous> developer packages are in place
#
# then it should be safe to run upgrade-test
#
# Copyright (c) 2024 Ken McDonell, Inc.  All Rights Reserved.
#

_usage()
{
    echo >&2 "Usage: $0 [options]"
    echo >&2 
    echo >&2 "  -i           interactive"
    echo >&2 "  -n           show me, don't do it"
    echo >&2 "  -v           verbose (debugging)"
    exit 1
}

export LC_COLLATE=POSIX

interactive=false
verbose=false
very_verbose=false
showme=false
while getopts 'inv?' p
do
    case "$p"
    in
	i)	interactive=true
		;;

	n)	showme=true
		;;

	v)	if $verbose
		then
		    very_verbose=true
		else
		    verbose=true
		fi
		;;

	?)	_usage
		# NOTREACHED
    esac
done
shift `expr $OPTIND - 1`
[ $# -eq 0 ] || _usage

status=1		# failure is the default
if $very_verbose
then
    tmp=tmp
else
    tmp=/var/tmp/$$
    trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
fi
rm -f $tmp.*

# Need directory where this script is located so we can find the other
# bits and bob
#
home=`pwd`
while [ "$home" != "/" ]
do
    [ -d "$home/build/rpm" ] && break
    home=`cd "$home"/..; /bin/pwd`
done
if [ ! -d $home/build/rpm ]
then
    echo >&2 "Botch: no build/rpm dir above here (`pwd`)"
    exit 1
fi

_have_latest_deb()
{
    ndeb=`( [ -d $home/build/deb ] && ls $home/build/deb/*.deb 2>/dev/null ) | wc -l | sed -e 's/ //g'`
    if [ -n "$ndeb" -a "$ndeb" -ge 40 ]
    then
	return 0
    else
	echo "Error: expecting at least 40 .debs, found $ndeb"
	return 1
    fi
}

_have_latest_rpm()
{
    nrpm=`( [ -d $home/pcp-$thisver/build/rpm ] && ls $home/pcp-$thisver/build/rpm/*.rpm 2>/dev/null ) | grep -v '.-debuginfo-' | wc -l | sed -e 's/ //g'`
    if [ -n "$nrpm" -a "$nrpm" -ge 100 ]
    then
	return 0
    else
	echo "Error: expecting at least 100 .rpms, found $nrpm"
	return 1
    fi
}

_ask()
{
    ans=''
    while [ -z "$ans" ]
    do
	echo -n "Do $1? yes|no|abort [y] "
	read </dev/tty ans
	case "$ans"
	in
	    ''|y|yes)	return 0
	    		;;
	    n|no)	return 1
	    		;;
	    a|bort)	exit
	    		;;
	    *)		echo "Answer the question, bozo!"
	    		ans=''
			;;
	esac
    done
}

# construct <distro> from whatami output
# vm24                6.3.1    x86_64  Ubuntu 24.04 (noble) [kernel=6.8.0 py=3.12.3 se=none]
#                                          $4-$5
#
distro=`$home/qa/admin/whatami | awk '{ print $4 "-" $5 }'`
$verbose && echo >&2 distro=$distro
thisver=`sed -n <$home/debian/changelog \
	  -e '/^pcp /{
s/-[0-9][0-9]*).*//
s/.*(//
p
q
}'`
$verbose && echo >&2 thisver=$thisver
lastver=`sed -n <$home/debian/changelog \
	  -e 1d \
	  -e '/^pcp /{
s/-[0-9][0-9]*).*//
s/.*(//
p
q
}'`
$verbose && echo >&2 lastver=$lastver

case $distro
in
    Debian-*|Ubuntu-*|MX-*)
	    type=deb
	    ;;

    Fedora-*|RHEL-*)
	    type=rpm
	    ;;

    *)
	    echo "Oops, no recipe for distro $distro as yet"
	    exit
	    ;;
esac

if _have_latest_$type
then
    :
else
    # no point going on
    exit
fi

case "$type"
in
    deb)
	lastpkgdir=build/$type-$lastver
	;;
    rpm)
	lastpkgdir=build/$type-$lastver
	;;
    *)
	echo >&2 "Botch: don't know where to find current $type packages"
	exit
	;;
esac

if [ ! -d $home/build/$distro ]
then
    if _ask "get $distro packages?"
    then
	if $showme
	then
	    echo "+ $home/build/get-distro-packages"
	else
	    $home/build/get-distro-packages >$tmp.out 2>&1
	    if [ -d $home/build/$distro ]
	    then
		cat $tmp.out
		echo >&2 "Botch: that did not work!"
		exit
	    fi
	fi
    fi
else
    $verbose && echo "Info: $home/build/$distro is present"
fi

if [ ! -d $home/$lastpkgdir ]
then
    if _ask "make $lastver packages?"
    then
	if $showme
	then
	    echo "+ cd $home"
	    echo "+ git checkout $lastver"
	    echo "+ ./Makepkgs"
	    echo "+ _gather_$type"
	    echo "+ git checkout main"
	else
	    echo TODO
	fi
    fi
else
    $verbose && echo "Info: $home/$lastpkgdir is present"
fi

status=0

exit