Jeff King <[email protected]> writes:

> I see the patches are marked for 'next' in the latest What's Cooking.
> If it is not too late in today's integration cycle, here is a re-roll of
> patch 3 that squashes in Pranit's suggestion (if it is too late, then
> Pranit, you may want to re-send it as a squash on top).

Thanks.  

I think that matches what I queued last night, except for the
Helped-by: line.  Will replace.

> -- >8 --
> Subject: [PATCH] show-branch: use skip_prefix to drop magic numbers
>
> We make several starts_with() calls, only to advance
> pointers. This is exactly what skip_prefix() is for, which
> lets us avoid manually-counted magic numbers.
>
> Helped-by: Pranit Bauva <[email protected]>
> Signed-off-by: Jeff King <[email protected]>
> ---
>  builtin/show-branch.c | 19 ++++++++-----------
>  1 file changed, 8 insertions(+), 11 deletions(-)
>
> diff --git a/builtin/show-branch.c b/builtin/show-branch.c
> index 404c4d09a..19756595d 100644
> --- a/builtin/show-branch.c
> +++ b/builtin/show-branch.c
> @@ -275,8 +275,7 @@ static void show_one_commit(struct commit *commit, int 
> no_name)
>               pp_commit_easy(CMIT_FMT_ONELINE, commit, &pretty);
>               pretty_str = pretty.buf;
>       }
> -     if (starts_with(pretty_str, "[PATCH] "))
> -             pretty_str += 8;
> +     skip_prefix(pretty_str, "[PATCH] ", &pretty_str);
>  
>       if (!no_name) {
>               if (name && name->head_name) {
> @@ -470,17 +469,14 @@ static void snarf_refs(int head, int remotes)
>       }
>  }
>  
> -static int rev_is_head(char *head, char *name,
> +static int rev_is_head(const char *head, const char *name,
>                      unsigned char *head_sha1, unsigned char *sha1)
>  {
>       if (!head || (head_sha1 && sha1 && hashcmp(head_sha1, sha1)))
>               return 0;
> -     if (starts_with(head, "refs/heads/"))
> -             head += 11;
> -     if (starts_with(name, "refs/heads/"))
> -             name += 11;
> -     else if (starts_with(name, "heads/"))
> -             name += 6;
> +     skip_prefix(head, "refs/heads/", &head);
> +     if (!skip_prefix(name, "refs/heads/", &name))
> +             skip_prefix(name, "heads/", &name);
>       return !strcmp(head, name);
>  }
>  
> @@ -799,8 +795,9 @@ int cmd_show_branch(int ac, const char **av, const char 
> *prefix)
>                               has_head++;
>               }
>               if (!has_head) {
> -                     int offset = starts_with(head, "refs/heads/") ? 11 : 0;
> -                     append_one_rev(head + offset);
> +                     const char *name = head;
> +                     skip_prefix(name, "refs/heads/", &name);
> +                     append_one_rev(name);
>               }
>       }

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