darcs-2.1.2.1: bugs/issue390_whatsnew.sh

#!/usr/bin/env bash

# For issue390: darcs whatsnew somefile" lstats every file in the working copy and pristine/ directory

set -ev

rm -rf temp
mkdir temp
cd temp
darcs init
date > file1
date > file2
darcs add file*
darcs record -am "test"

TRACE=`which strace`
if test -x $TRACE
then
    strace darcs whatsnew file1 &> out
    # we should be accessing file1
    grep file1 out
    # but shouldn't be accessing file2
    if grep file2 out
    then
        echo A whatsnew for file1 should not involve a 'stat' call to file2
        exit 1
    else
        echo Yay.  We pass.
    fi
else
    echo skipping test since strace was not found
fi

rm -rf temp