On 6/9/11, Diego Novillo <dnovi...@google.com> wrote: > This small script searches for the spawn line corresponding to a given > grep pattern inside a dejagnu log file. If it finds the spawn line, > it executes it with any other arguments provided on the command line. > > It's generally useful for cutting and pasting failed test cases. I did > not find anything close to it in gcc/contrib, so I will be adding it > to trunk shortly. > > Gab, Lawrence, this ought to simplify reproducing pph failures from > g++.log. Feel free to add more functionality to it, or use it to > find writer and reader pairs in the log file and execute them separately. > > > Diego. > > > * repro_fail: New. > > diff --git a/contrib/repro_fail b/contrib/repro_fail > new file mode 100755 > index 0000000..d5bce04 > --- /dev/null > +++ b/contrib/repro_fail > @@ -0,0 +1,49 @@ > +#!/bin/bash > +# > +# Script to reproduce a test failure from a dejagnu .log file > +# > +# Contributed by Diego Novillo <dnovi...@google.com> > +# > +# Copyright (C) 2011 Free Software Foundation, Inc. > +# > +# This file is part of GCC. > +# > +# GCC is free software; you can redistribute it and/or modify > +# it under the terms of the GNU General Public License as published by > +# the Free Software Foundation; either version 3, or (at your option) > +# any later version. > +# > +# GCC is distributed in the hope that it will be useful, > +# but WITHOUT ANY WARRANTY; without even the implied warranty of > +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > +# GNU General Public License for more details. > +# > +# You should have received a copy of the GNU General Public License > +# along with GCC; see the file COPYING. If not, write to > +# the Free Software Foundation, 51 Franklin Street, Fifth Floor, > +# Boston, MA 02110-1301, USA. > + > +if [ $# -lt 2 ] ; then > + echo "usage: $0 pattern file.log [additional-args]" > + echo > + echo "Finds the 'spawn' line matching PATTERN in FILE.LOG and executes" > + echo "the command with any arguments in ADDITIONAL-ARGS." > + echo > + exit 1 > +fi > + > +set -e > +pattern=$1 > +logf=$2 > +shift 2 > +args="$@" > +line=$(grep "^spawn .*$pattern" $logf | sed -e "s:^spawn ::")
line=$(sed -e "/^spawn .*$pattern/ ! d ; s/^spawn //" $logf) Has one fewer process and one fewer pipe. Sed is your friend. I think this code fails when multiple lines match the pattern. Pipe through head? > + > +if [ "$line" = "" ] ; then > + echo "Could not find a spawn command for pattern $1" > + exit 1 > +fi > + > +set -x +e > +$line $args > +exit $? > > -- > This patch is available for review at http://codereview.appspot.com/4601050 > -- Lawrence Crowl
