Re: [RFC PATCH v1 2/2] fixup! pathspec: warn: long and short forms are incompatible

[Bagas Sanjaya <bagasdotme@xxxxxxxxx>]

On 26/03/21 09.40, Σταύρος Ντέντος wrote:
> From: Stavros Ntentos <133706+stdedos@xxxxxxxxxxxxxxxxxxxxxxxx>
>
> malloc and stuff
> ---
>   pathspec.c | 21 +++++++++++++--------
>   1 file changed, 13 insertions(+), 8 deletions(-)
What does this fixup patch try to accomplish? Give more details.
> diff --git a/pathspec.c b/pathspec.c
> index 374c529569..4ac8bfdc06 100644
> --- a/pathspec.c
> +++ b/pathspec.c
> @@ -7,6 +7,7 @@
>   #include "attr.h"
>   #include "strvec.h"
>   #include "quote.h"
> +#include "git-compat-util.h"
>   
>   /*
>    * Finds which of the given pathspecs match items in the index.
> @@ -745,16 +746,20 @@ int match_pathspec_attrs(const struct index_state *istate,
>   }
>   
>   void check_mishandled_exclude(const char *entry) {
> +	char *flags, *path;
>   	size_t entry_len = strlen(entry);
> -	char flags[entry_len];
> -	char path[entry_len];
>   
> -	if (sscanf(entry, ":!(%4096[^)])%4096s", &flags, &path) != 2) {
> -		return;
> -	}
> -	if (count_slashes(flags) > 0) {
> -		return;
> +	flags = xstrdup(entry);
> +	memset(flags, '\0', entry_len);
> +	path = xstrdup(entry);
> +	memset(path, '\0', entry_len);
> +
> +	if (sscanf(entry, ":!(%4096[^)])%4096s", flags, path) == 2) {
> +		if (count_slashes(flags) == 0) {
> +			warning(_("Pathspec provided matches `:!(...)`\n\tDid you mean `:(exclude,...)`?"));
> +		}
>   	}
>   
> -	warning(_("Pathspec provided matches `:!(...)`\n\tDid you mean `:(exclude,...)`?"));
Message looks ok.
> +	FREE_AND_NULL(flags);
> +	FREE_AND_NULL(path);
>   }

--
An old man doll... just what I always wanted! - Clara