continuous run for tests (optionally with gdb)

continuous_run.sh

#!/bin/bash
# set -x

CMD_DBG_NAME="commands.dbg"
COUNT_TO_RUN=100

if [[ $# == 0 ]]
then
    echo "Run the specified command continuously (optionally in gdb), until: 
    * count (default is 100)
    * non-0 exit code
    * SIGSEGV or SIGTRAP (breakpoint) in gdb. You can add your conditional breakpoints to "$CMD_DBG_NAME". 
      It's also reasonable to add "--break" at the very end if using with catch2 excutables. 
Usage: $(basename "$0") [-v|--verbose] [-g|--gdb] [-c|--count=N] -- <command_to_run>
Example: $(basename "$0") --verbose --gdb --count=10 ./UnitTest \"My buggy test name\" --break"
    exit 0
fi

tmp_opt=$(getopt --options gvc: --long gdb,verbose,count: --name "$(basename "$0")" -- "$@")
ret=$?
if [[ $ret != 0 ]]
then
    echo "Failed to recognize options." >&2
    exit $ret
fi
eval set -- "$tmp_opt"

opt_gdb=false
opt_verbose=false
opt_count=$COUNT_TO_RUN
while true
do
    case "$1" in
    -v | --verbose ) opt_verbose=true; shift ;;
    -g | --gdb ) opt_gdb=true; shift ;;
    -c | --count ) opt_count="$2"; shift 2 ;;
    -- ) shift ; break ;;
    * ) break ;;
    esac
done

if [[ $opt_verbose == true ]]
then
    set -x
fi

# check that cores are enabled
# ulimit=$(ulimit -c)
# if [[ $ulimit != "unlimited" ]]
# then
#     echo "Wrong ulimit: $ulimit"
#     exit 1
# fi

# create gdb script
if [[ $opt_gdb == true ]]
then
    if [[ -f $CMD_DBG_NAME ]]
    then
        echo "Local GDB script found \"$CMD_DBG_NAME\", hopefully you know what you are doing."
    else 
        cat > $CMD_DBG_NAME << EOL
set pagination off
set confirm on
run
if \$_isvoid (\$_exitcode) == 0 
    if \$_exitcode == 0
        quit
    end
end
EOL
    fi
fi

ret=0
count=0
while [[ $ret == 0 && $count -lt $opt_count ]]
do
    if [[ $opt_gdb == true ]]
    then
        gdb --return-child-result --command=./$CMD_DBG_NAME --args "$@"
    else
        "$@"
    fi
    ret=$?
    [[ $ret == 0 ]] && (( count+=1 ))
    echo "Count of successful runs: $count"
done
echo "Return code: $ret"

if [[ $opt_verbose == true ]]
then
    set +x
fi