Re: [PATCH v2 6/6] kconfig: rename silentoldconfig to syncconfig

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On Wed, Feb 28, 2018 at 6:41 AM, Ulf Magnusson <ulfalizer@xxxxxxxxx> wrote:
> On Wed, Feb 28, 2018 at 09:15:26AM +0900, Masahiro Yamada wrote:
>> As commit cedd55d49dee ("kconfig: Remove silentoldconfig from help
>> and docs; fix kconfig/conf's help") mentioned, 'silentoldconfig' is a
>> historical misnomer.  That commit removed it from help and docs since
>> it is an internal interface.  If so, it should be allowed to rename
>> it to something more intuitive.  'syncconfig' is the one I came up
>> with because it updates the .config if necessary, then synchronize
>> other files with it.
>>
>> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
>> ---
>>
>> Changes in v2:
>>   - newly added
>>
>>  Documentation/kbuild/kconfig.txt |  2 +-
>>  Makefile                         |  2 +-
>>  scripts/kconfig/Makefile         |  4 ++--
>>  scripts/kconfig/conf.c           | 20 ++++++++++----------
>>  4 files changed, 14 insertions(+), 14 deletions(-)
>>
>> diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt
>> index bbc99c0..7233118 100644
>> --- a/Documentation/kbuild/kconfig.txt
>> +++ b/Documentation/kbuild/kconfig.txt
>> @@ -119,7 +119,7 @@ Examples:
>>               15% of tristates will be set to 'y', 15% to 'm', 70% to 'n'
>>
>>  ______________________________________________________________________
>> -Environment variables for 'silentoldconfig'
>> +Environment variables for 'syncconfig'
>>
>>  KCONFIG_NOSILENTUPDATE
>>  --------------------------------------------------
>> diff --git a/Makefile b/Makefile
>> index 8706bf2..ea23d9b 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -598,7 +598,7 @@ $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
>>  # include/generated/ and include/config/. Update them if .config is newer than
>>  # include/config/auto.conf (which mirrors .config).
>>  include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
>> -     $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
>> +     $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
>>  else
>>  # external modules needs include/generated/autoconf.h and include/config/auto.conf
>>  # but do not care if they are up-to-date. Use auto.conf to trigger the test
>> diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
>> index bf9289a..988258a 100644
>> --- a/scripts/kconfig/Makefile
>> +++ b/scripts/kconfig/Makefile
>> @@ -3,7 +3,7 @@
>>  # Kernel configuration targets
>>  # These targets are used from top-level makefile
>>
>> -PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \
>> +PHONY += xconfig gconfig menuconfig config syncconfig update-po-config \
>>       localmodconfig localyesconfig
>>
>>  ifdef KBUILD_KCONFIG
>> @@ -36,7 +36,7 @@ nconfig: $(obj)/nconf
>>
>>  # This has become an internal implementation detail and is now deprecated
>>  # for external use.
>> -silentoldconfig: $(obj)/conf
>> +syncconfig: $(obj)/conf
>>       $(Q)mkdir -p include/config include/generated
>>       $(Q)test -e include/generated/autoksyms.h || \
>>           touch   include/generated/autoksyms.h
>> diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
>> index 11a4e45..4e08121 100644
>> --- a/scripts/kconfig/conf.c
>> +++ b/scripts/kconfig/conf.c
>> @@ -23,7 +23,7 @@ static void check_conf(struct menu *menu);
>>
>>  enum input_mode {
>>       oldaskconfig,
>> -     silentoldconfig,
>> +     syncconfig,
>>       oldconfig,
>>       allnoconfig,
>>       allyesconfig,
>> @@ -100,7 +100,7 @@ static int conf_askvalue(struct symbol *sym, const char *def)
>>
>>       switch (input_mode) {
>>       case oldconfig:
>> -     case silentoldconfig:
>> +     case syncconfig:
>>               if (sym_has_value(sym)) {
>>                       printf("%s\n", def);
>>                       return 0;
>> @@ -293,7 +293,7 @@ static int conf_choice(struct menu *menu)
>>               printf("[1-%d?]: ", cnt);
>>               switch (input_mode) {
>>               case oldconfig:
>> -             case silentoldconfig:
>> +             case syncconfig:
>>                       if (!is_new) {
>>                               cnt = def;
>>                               printf("%d\n", cnt);
>> @@ -441,7 +441,7 @@ static void check_conf(struct menu *menu)
>>  static struct option long_opts[] = {
>>       {"oldaskconfig",    no_argument,       NULL, oldaskconfig},
>>       {"oldconfig",       no_argument,       NULL, oldconfig},
>> -     {"silentoldconfig", no_argument,       NULL, silentoldconfig},
>> +     {"syncconfig",      no_argument,       NULL, syncconfig},
>>       {"defconfig",       optional_argument, NULL, defconfig},
>>       {"savedefconfig",   required_argument, NULL, savedefconfig},
>>       {"allnoconfig",     no_argument,       NULL, allnoconfig},
>> @@ -468,8 +468,8 @@ static void conf_usage(const char *progname)
>>       printf("  --listnewconfig         List new options\n");
>>       printf("  --oldaskconfig          Start a new configuration using a line-oriented program\n");
>>       printf("  --oldconfig             Update a configuration using a provided .config as base\n");
>> -     printf("  --silentoldconfig       Similar to oldconfig but generates configuration in\n"
>> -            "                          include/{generated/,config/} (oldconfig used to be more verbose)\n");
>> +     printf("  --syncconfig            Similar to oldconfig but generates configuration in\n"
>> +            "                          include/{generated/,config/}\n");
>>       printf("  --olddefconfig          Same as oldconfig but sets new symbols to their default value\n");
>>       printf("  --oldnoconfig           An alias of olddefconfig\n");
>>       printf("  --defconfig <file>      New config with default defined in <file>\n");
>> @@ -501,7 +501,7 @@ int main(int ac, char **av)
>>               }
>>               input_mode = (enum input_mode)opt;
>>               switch (opt) {
>> -             case silentoldconfig:
>> +             case syncconfig:
>>                       sync_kconfig = 1;
>>                       break;
>>               case defconfig:
>> @@ -583,7 +583,7 @@ int main(int ac, char **av)
>>               }
>>               break;
>>       case savedefconfig:
>> -     case silentoldconfig:
>> +     case syncconfig:
>>       case oldaskconfig:
>>       case oldconfig:
>>       case listnewconfig:
>> @@ -667,7 +667,7 @@ int main(int ac, char **av)
>>               /* fall through */
>>       case oldconfig:
>>       case listnewconfig:
>> -     case silentoldconfig:
>> +     case syncconfig:
>>               /* Update until a loop caused no more changes */
>>               do {
>>                       conf_cnt = 0;
>> @@ -680,7 +680,7 @@ int main(int ac, char **av)
>>       }
>>
>>       if (sync_kconfig) {
>> -             /* silentoldconfig is used during the build so we shall update autoconf.
>> +             /* syncconfig is used during the build so we shall update autoconf.
>>                * All other commands are only used to generate a config.
>>                */
>>               if (conf_get_changed() && conf_write(NULL)) {
>> --
>> 2.7.4
>>
>
> I wonder if it might be helpful to keep the silentoldconfig target for a
> while and have it just fail with a message like the following:
>
>         silentoldconfig has been renamed to syncconfig and is now an
>         internal implementation detail. What you probably want is
>         oldconfig.
>
> Going on Google and https://lkml.org/lkml/2018/2/12/1084, there might be
> quite a lot of scripts and the like that call silentoldconfig.
>
> Alternatively, it could call through to syncconfig and also generate a
> warning that it's about to removed (like for olddefconfig).

*oldnoconfig

Cheers,
Ulf
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