Yurii Shevtsov <unge...@gmail.com> writes:
> Changes 'git diff --no-index $directory $file' behaviour.
> Now it is transformed to 'git diff --no-index $directory/&file $file'
> instead of throwing an error.
Is this asymmetric? Shouldn't "git diff --no-index $file $directory"
behave the same way, i.e. turned into "$file $directory/$file"?
If you intended the patch to do so, perhaps
"git diff --no-index directory/ file" used to error out, saying
that you cannot compare a directory and a file (with the
parameters swapped, "git diff --no-index file directory/" failed
the same way).
With normal "diff", "diff D/ F" acts as if it were told to
compare D/F and F (when D/F exists---if there isn't, then it
shows a creation of F), and behaving the same way would be more
natural to the users.
or something?
> Signed-off-by: Yurii Shevtsov <ungetch <at> gmail.com>
> ---
> diff-no-index.c | 21 +++++++++++++++++++--
> 1 files changed, 19 insertions(+), 2 deletions(-)
>
> diff --git a/diff-no-index.c b/diff-no-index.c
> index 265709b..4e71b36 100644
> --- a/diff-no-index.c
> +++ b/diff-no-index.c
> @@ -97,8 +97,25 @@ static int queue_diff(struct diff_options *o,
> if (get_mode(name1, &mode1) || get_mode(name2, &mode2))
> return -1;
>
> - if (mode1 && mode2 && S_ISDIR(mode1) != S_ISDIR(mode2))
> - return error("file/directory conflict: %s, %s", name1, name2);
> + if (mode1 && mode2 && S_ISDIR(mode1) != S_ISDIR(mode2)) {
> + struct strbuf dirnfile;
> + const char *dir, *file;
> + char *filename;
> + int ret = 0;
> +
> + dir = S_ISDIR(mode1) ? name1 : name2;
> + file = (dir == name1) ? name2 : name1;
> + strbuf_init(&dirnfile, strlen(name1) + strlen(name2) + 2);
> + strbuf_addstr(&dirnfile, dir);
> + if (dirnfile.buf[dirnfile.len - 1] != '/')
> + strbuf_addch(&dirnfile, '/');
> + filename = strrchr(file, '/');
> + strbuf_addstr(&dirnfile, filename ? (filename + 1) : file);
> + ret = queue_diff(o, dirnfile.buf, file);
Hmm, it appears that you are turning "diff F D/" into "diff D/F F",
which is the other way around here, or am I mis-reading queue_diff().
Does queue_diff() do the right thing when D/F does not exist (not a
rhetorical question; I just did not check it myself)?
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