Re: [PATCH 1/1] worktree refs: fix case sensitivity for 'head'

[Duy Nguyen <pclouds@gmail.com>]

On Thu, Dec 13, 2018 at 8:56 PM Michael Rappazzo via GitGitGadget
<gitgitgadget@gmail.com> wrote:
>
> From: Michael Rappazzo <rappazzo@gmail.com>
>
> On a worktree which is not the primary, using the symbolic-ref 'head' was
> incorrectly pointing to the main worktree's HEAD.  The same was true for
> any other case of the word 'Head'.
>
> Signed-off-by: Michael Rappazzo <rappazzo@gmail.com>
> ---
>  refs.c                   | 8 ++++----
>  t/t1415-worktree-refs.sh | 9 +++++++++
>  2 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/refs.c b/refs.c
> index f9936355cd..963e786458 100644
> --- a/refs.c
> +++ b/refs.c
> @@ -579,7 +579,7 @@ int expand_ref(const char *str, int len, struct object_id *oid, char **ref)
>                                 *ref = xstrdup(r);
>                         if (!warn_ambiguous_refs)
>                                 break;
> -               } else if ((flag & REF_ISSYMREF) && strcmp(fullref.buf, "HEAD")) {
> +               } else if ((flag & REF_ISSYMREF) && strcasecmp(fullref.buf, "HEAD")) {

This is not going to work. How about ~40 other "strcmp.*HEAD"
instances? All refs are case-sensitive and this probably will not
change even when we introduce new ref backends.

>                         warning(_("ignoring dangling symref %s"), fullref.buf);
>                 } else if ((flag & REF_ISBROKEN) && strchr(fullref.buf, '/')) {
>                         warning(_("ignoring broken ref %s"), fullref.buf);
-- 
Duy