#!/bin/sh
#
# Run a new shell inside a script command, logging to the file
#	$HOME/var/log/build/pkg-arch-host-date.gz
# Too often was I building things and losing the details.
#	- Cameron Simpson <cs@zip.com.au> 28aug2000
#

: ${LOGDIR:=$HOME/var/log}
buildlogs=$LOGDIR/build

cmd=`basename "$0"`
usage="Usage: $cmd [pkgdir]"

badopts=

if [ $# -gt 0 ]
then
  pkgdir=$1; shift
  cd "$pkgdir" || { echo "$cmd: chdir($pkgdir) fails" >&2; exit 1; }
fi

[ $# = 0 ] || { echo "$cmd: extra arguments after pkgdir" >&2; badopts=1; }

[ $badopts ] && { echo "$usage" >&2; exit 2; }

cwd=`pwd` || exit 1
pkg=`basename "$cwd"` || exit 1

logbase=$pkg-$ARCH-$HOST

needdir "$buildlogs" || exit 1

umask 2
session=$cmd-$pkg-$ARCH-$HOST
exec term -n "$session" \
    screen -S "$session" \
    buildenv env ps1pfx=":$ps1pfx" ps2pfx=" $ps2pfx" \
    logscript -d "$buildlogs" "$logbase"