Re: [PATCH] merge-file: correctly find files when called in subdir

> Since b541248 (merge.conflictstyle: choose between "merge" and "diff3
> -m" styles, 2008-08-29), git-merge-file uses setup_directory_gently(),
> thus cd'ing around to find any possible config files to use.
>
> This broke merge-file when it is called from within a subdirectory of
> a repository, and the arguments are all relative paths.
>
> Fix by prepending the prefix, as passed down from the main git
> executable, if there is any.
>
> Signed-off-by: Thomas Rast <trast@student.ethz.ch>
> ---
>  builtin/merge-file.c  |   11 ++++++++++-
>  t/t6023-merge-file.sh |    8 ++++++++
>  2 files changed, 18 insertions(+), 1 deletions(-)
>
> diff --git a/builtin/merge-file.c b/builtin/merge-file.c
> index b6664d4..b873fee 100644
> --- a/builtin/merge-file.c
> +++ b/builtin/merge-file.c
> @@ -65,10 +66,18 @@ int cmd_merge_file(int argc, const char **argv, const char *prefix)
>                                     "%s\n", strerror(errno));
>        }
>
> +       if (prefix)
> +               prefixlen = strlen(prefix);
> +
>        for (i = 0; i < 3; i++) {
> +               const char *name;
> +               if (prefix)
> +                       name = prefix_filename(prefix, prefixlen, argv[i]);
> +               else
> +                       name = argv[i];