built-in add -p: only show the applicable parts of the help text

When displaying the only hunk in a file's diff, the prompt already
excludes the commands to navigate to the previous/next hunk.

Let's also let the `?` command show only the help lines corresponding to
the commands that are displayed in the prompt.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2019-12-13 08:08:05 +00:00 committed by Junio C Hamano
parent ade246efed
commit 54d9d9b2ee

View File

@ -1008,8 +1008,10 @@ N_("y - stage this hunk\n"
"n - do not stage this hunk\n" "n - do not stage this hunk\n"
"q - quit; do not stage this hunk or any of the remaining ones\n" "q - quit; do not stage this hunk or any of the remaining ones\n"
"a - stage this and all the remaining hunks\n" "a - stage this and all the remaining hunks\n"
"d - do not stage this hunk nor any of the remaining hunks\n" "d - do not stage this hunk nor any of the remaining hunks\n");
"j - leave this hunk undecided, see next undecided hunk\n"
static const char help_patch_remainder[] =
N_("j - leave this hunk undecided, see next undecided hunk\n"
"J - leave this hunk undecided, see next hunk\n" "J - leave this hunk undecided, see next hunk\n"
"k - leave this hunk undecided, see previous undecided hunk\n" "k - leave this hunk undecided, see previous undecided hunk\n"
"K - leave this hunk undecided, see previous hunk\n" "K - leave this hunk undecided, see previous hunk\n"
@ -1246,9 +1248,31 @@ soft_increment:
hunk->use = USE_HUNK; hunk->use = USE_HUNK;
goto soft_increment; goto soft_increment;
} }
} else } else {
color_fprintf(stdout, s->s.help_color, const char *p = _(help_patch_remainder), *eol = p;
color_fprintf(stdout, s->s.help_color, "%s",
_(help_patch_text)); _(help_patch_text));
/*
* Show only those lines of the remainder that are
* actually applicable with the current hunk.
*/
for (; *p; p = eol + (*eol == '\n')) {
eol = strchrnul(p, '\n');
/*
* `s->buf` still contains the part of the
* commands shown in the prompt that are not
* always available.
*/
if (*p != '?' && !strchr(s->buf.buf, *p))
continue;
color_fprintf_ln(stdout, s->s.help_color,
"%.*s", (int)(eol - p), p);
}
}
} }
/* Any hunk to be used? */ /* Any hunk to be used? */