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Re: [PATCH] submodule foreach: Added in --post-order=<command> and adjusted code per Jens Lehmann's suggestions

From
ECEric Cousineau <eacousineau@gmail.com>
Date
Apr 13, 2013, 04:11 UTC
Message-ID
<CA+aSAWviVWd3+89Wpv-1_6BSL=aN-u+60_oDXcyCG03enBmGTg@mail.gmail.com>
In-Reply-To
<CA+aSAWuK9Yhvx-vO1fUteq-K=xOPgxkyeWeHG3UwZuDHsxLzAw@mail.gmail.com>
Had accidentally sent this as HTML, resending as plain-text.
On Fri, Apr 12, 2013 at 11:09 PM, Eric Cousineau <eacousineau@gmail.com> wrote:
Show 114 quoted lines
>
> Oops... I tried out using git-send-email adding in the Message-Id, but forgot to change the title as well. My bad.
>
> This was in response to:
>
> [PATCH/RFC] Changing submodule foreach --recursive to be depth-first, --parent option to execute command in supermodule as well
> Message-Id: <515B3C0E.9000802@web.de>
>
> - Eric
>
>
> On Fri, Apr 12, 2013 at 11:04 PM, eacousineau <eacousineau@gmail.com> wrote:
>>
>> Signed-off-by: eacousineau <eacousineau@gmail.com>
>> ---
>> I see what you meant by the extra variables, so I've fixed that so the
>> original flags aren't needed with recursion. Also updated it to not
>> print the entering command if there is only a post-order command.
>>
>> Examples:
>>
>> $ git submodule foreach --recursive --post-order 'echo Goodbye' "echo \"'ello\""
>> Entering 'b'
>> 'ello
>> Entering 'b/d'
>> 'ello
>> Leaving 'b/d'
>> Goodbye
>> Leaving 'b'
>> Goodbye
>> Entering 'c'
>> 'ello
>> Leaving 'c'
>> Goodbye
>>
>> $ git submodule foreach --recursive --post-order :
>> Leaving 'b/d'
>> Leaving 'b'
>> Leaving 'c'
>>
>>  git-submodule.sh | 31 ++++++++++++++++++++++++++-----
>>  1 file changed, 26 insertions(+), 5 deletions(-)
>>
>> diff --git a/git-submodule.sh b/git-submodule.sh
>> index 79bfaac..e08a724 100755
>> --- a/git-submodule.sh
>> +++ b/git-submodule.sh
>> @@ -11,7 +11,7 @@ USAGE="[--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <re
>>     or: $dashless [--quiet] deinit [-f|--force] [--] <path>...
>>     or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
>>     or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
>> -   or: $dashless [--quiet] foreach [--recursive] <command>
>> +   or: $dashless [--quiet] foreach [--recursive] [--post-order <command>] <command>
>>     or: $dashless [--quiet] sync [--recursive] [--] [<path>...]"
>>  OPTIONS_SPEC=
>>  . git-sh-setup
>> @@ -449,6 +449,15 @@ cmd_foreach()
>>                 --recursive)
>>                         recursive=1
>>                         ;;
>> +               --post-order)
>> +                       test "$#" = "1" && usage
>> +                       post_order="$2"
>> +                       shift
>> +                       ;;
>> +               --post-order=*)
>> +                       # Will skip empty commands
>> +                       post_order=${1#*=}
>> +                       ;;
>>                 -*)
>>                         usage
>>                         ;;
>> @@ -471,7 +480,9 @@ cmd_foreach()
>>                 die_if_unmatched "$mode"
>>                 if test -e "$sm_path"/.git
>>                 then
>> -                       say "$(eval_gettext "Entering '\$prefix\$sm_path'")"
>> +                       enter_msg="$(eval_gettext "Entering '\$prefix\$sm_path'")"
>> +                       leave_msg="$(eval_gettext "Leaving '\$prefix\$sm_path'")"
>> +                       die_msg="$(eval_gettext "Stopping at '\$sm_path'; script returned non-zero status.")"
>>                         name=$(module_name "$sm_path")
>>                         (
>>                                 prefix="$prefix$sm_path/"
>> @@ -479,13 +490,23 @@ cmd_foreach()
>>                                 # we make $path available to scripts ...
>>                                 path=$sm_path
>>                                 cd "$sm_path" &&
>> -                               eval "$@" &&
>> +                               if test $# -gt 0 -o -z "$post_order"
>> +                               then
>> +                                       say "$enter_msg" &&
>> +                                       eval "$@" || die "$die_msg"
>> +                               fi &&
>>                                 if test -n "$recursive"
>>                                 then
>> -                                       cmd_foreach "--recursive" "$@"
>> +                                       # subshell will use parent-scoped values
>> +                                       cmd_foreach "$@"
>> +                               fi &&
>> +                               if test -n "$post_order"
>> +                               then
>> +                                       say "$leave_msg" &&
>> +                                       eval "$post_order" || die "$die_msg"
>>                                 fi
>>                         ) <&3 3<&- ||
>> -                       die "$(eval_gettext "Stopping at '\$sm_path'; script returned non-zero status.")"
>> +                       die "$die_msg"
>>                 fi
>>         done
>>  }
>> --
>> 1.8.2.1.390.gd4ee029
>>
>
Previous: Junio C Hamano
Message 25 of 25 in “Changing submodule foreach --recursive to be depth-first, --parent option to execute command in supermodule as well”
  1. Changing submodule foreach --recursive to be depth-first, --parent option to execute command in supermodule as wellEric Cousineau, Mar 4, 2013
  2. Jens LehmannMar 4, 2013
  3. Junio C HamanoMar 4, 2013
  4. Eric CousineauMar 5, 2013
  5. Heiko VoigtMar 5, 2013
  6. Junio C HamanoMar 5, 2013
  7. Eric CousineauMar 5, 2013
  8. Junio C HamanoMar 5, 2013
  9. Jens LehmannMar 5, 2013
  10. Phil HordMar 5, 2013
  11. Jens LehmannMar 9, 2013
  12. Heiko VoigtMar 11, 2013
  13. Phil HordMar 12, 2013
  14. Eric CousineauMar 14, 2013
  15. Jens LehmannMar 18, 2013
  16. Eric CousineauMar 26, 2013
  17. Jens LehmannApr 2, 2013
  18. submodule foreach: Added in --post-order=<command> and adjusted code per Jens Lehmann's suggestionseacousineau, Apr 13, 2013
  19. Jens LehmannApr 14, 2013
  20. Jens LehmannMar 18, 2013
  21. Eric CousineauMar 26, 2013
  22. Eric CousineauMar 26, 2013
  23. Junio C HamanoMar 26, 2013
  24. Junio C HamanoMar 26, 2013
  25. Eric CousineauApr 13, 2013

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