Re: [PATCH v2] commands: rm: add -f option to ignore nonexistent files

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On Thu, Aug 03, 2023 at 03:43:32PM +0200, Ahmad Fatoum wrote:
> rm supports multiple arguments, but will stop at the first nonexistent
> file and print an error message that can't be silenced. Mimic other
> implementations and implement -f for silently ignoring nonexistent files.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---
> v1 -> v2:
>   - only ignore -ENOENT and not all error codes
> ---
>  commands/Kconfig |  3 ++-
>  commands/rm.c    | 16 +++++++++++-----
>  2 files changed, 13 insertions(+), 6 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/commands/Kconfig b/commands/Kconfig
> index 844f7046282b..eb95b2a5fbcc 100644
> --- a/commands/Kconfig
> +++ b/commands/Kconfig
> @@ -1031,10 +1031,11 @@ config CMD_RM
>  	help
>  	  Remove files
>  
> -	  Usage: rm [-r] FILES...
> +	  Usage: rm [-rf] FILES...
>  
>  	  Options:
>  		  -r	remove directories and their contents recursively
> +		  -f	ignore nonexistent files
>  
>  config CMD_RMDIR
>  	tristate
> diff --git a/commands/rm.c b/commands/rm.c
> index be5c19222141..c35cf2d2d412 100644
> --- a/commands/rm.c
> +++ b/commands/rm.c
> @@ -12,13 +12,16 @@
>  
>  static int do_rm(int argc, char *argv[])
>  {
> -	int i, opt, recursive = 0;
> +	int i, opt, recursive = 0, force = 0;
>  
> -	while ((opt = getopt(argc, argv, "r")) > 0) {
> +	while ((opt = getopt(argc, argv, "rf")) > 0) {
>  		switch (opt) {
>  		case 'r':
>  			recursive = 1;
>  			break;
> +		case 'f':
> +			force = 1;
> +			break;
>  		default:
>  			return COMMAND_ERROR_USAGE;
>  		}
> @@ -37,8 +40,10 @@ static int do_rm(int argc, char *argv[])
>  		else
>  			ret = unlink(argv[i]);
>  		if (ret) {
> -			printf("could not remove %s: %m\n", argv[i]);
> -			return 1;
> +			if (!force || ret != -ENOENT)
> +				printf("could not remove %s: %m\n", argv[i]);
> +			if (!force)
> +				return 1;
>  		}
>  		i++;
>  	}
> @@ -49,12 +54,13 @@ static int do_rm(int argc, char *argv[])
>  BAREBOX_CMD_HELP_START(rm)
>  BAREBOX_CMD_HELP_TEXT("Options:")
>  BAREBOX_CMD_HELP_OPT ("-r", "remove directories and their contents recursively")
> +BAREBOX_CMD_HELP_OPT ("-f", "ignore nonexistent files")
>  BAREBOX_CMD_HELP_END
>  
>  BAREBOX_CMD_START(rm)
>  	.cmd		= do_rm,
>  	BAREBOX_CMD_DESC("remove files")
> -	BAREBOX_CMD_OPTS("[-r] FILES...")
> +	BAREBOX_CMD_OPTS("[-rf] FILES...")
>  	BAREBOX_CMD_GROUP(CMD_GRP_FILE)
>  	BAREBOX_CMD_HELP(cmd_rm_help)
>  BAREBOX_CMD_END
> -- 
> 2.39.2
> 
> 
> 

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