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#!/bin/sh
# usage:
# edit $(srcdir)/test.rb
# git bisect start `git svn find-rev <rBADREV>` `git svn find-rev <rGOODREV>`
# cd <builddir>
# make bisect (or bisect-ruby for full ruby)
if [ "x" = "x$MAKE" ]; then
MAKE=make
fi
case $1 in
miniruby | ruby ) # (miniruby|ruby) <srcdir>
srcdir="$2"
builddir=`pwd` # assume pwd is builddir
path="$builddir/_bisect.sh"
echo "path: $path"
cp "$0" "$path"
cd "$srcdir"
set -x
exec git bisect run "$path" "run-$1"
;;
run-miniruby )
prep=mini
run=run
;;
run-ruby )
prep=program
run=runruby
;;
"" )
echo missing command 1>&2
exit 1
;;
* )
echo unknown command "'$1'" 1>&2
exit 1
;;
esac
case "$0" in
*/*)
# assume a copy of this script is in builddir
cd `echo "$0" | sed 's:\(.*\)/.*:\1:'` || exit 125
;;
esac
for target in srcs Makefile $prep; do
$MAKE $target || exit 125
done
exec $MAKE $run
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