kBuild/retry-10-delay-500ms.sh

   1 #!/usr/bin/env kmk_ash
   2 # $Id$
   3 ## @file
   4 # kBuild Helper Script - Retry execution of command 10 times with 0.5 seconds delay.
   5 #
   6
   7 #
   8 # Copyright (c) 2023 knut st. osmundsen <bird-kBuild-spam-xxiii@anduin.net>
   9 #
  10 # This file is part of kBuild.
  11 #
  12 # kBuild is free software; you can redistribute it and/or modify
  13 # it under the terms of the GNU General Public License as published by
  14 # the Free Software Foundation; either version 2 of the License, or
  15 # (at your option) any later version.
  16 #
  17 # kBuild is distributed in the hope that it will be useful,
  18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 # GNU General Public License for more details.
  21 #
  22 # You should have received a copy of the GNU General Public License
  23 # along with kBuild; if not, write to the Free Software
  24 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  25 #
  26 #
  27 # As a special exception you are granted permission to include this file, via
  28 # the kmk include directive, as you wish without this in itself causing the
  29 # resulting makefile, program or whatever to be covered by the GPL license.
  30 # This exception does not however invalidate any other reasons why the makefile,
  31 # program, whatever should not be covered the GPL.
  32 #
  33 #
  34
  35 # First try...
  36 "$@" && exit 0
  37 MY_EXITCODE=$?
  38
  39 # Retry up to five times with a little delay between each.
  40 for MY_RETRY in 1 2 3 4 5 6 7 8 9;
  41 do
  42     echo "retry-10-delay-500ms.sh: Retry #${MY_RETRY} failed: ${MY_EXITCODE} (cmd: $*)"
  43     kmk_sleep 500ms
  44     "$@" && exit 0
  45     MY_EXITCODE=$?
  46 done
  47 echo "retry-10-delay-500ms.sh: Giving up after 10 tries: ${MY_EXITCODE} (cmd: $*)" >&2
  48 exit ${MY_EXITCODE}
  49