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

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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).

Cheers,
Ulf
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