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Diffstat (limited to 'add-patch.c')
-rw-r--r--add-patch.c140
1 files changed, 79 insertions, 61 deletions
diff --git a/add-patch.c b/add-patch.c
index 457b8c550e..867720a7c6 100644
--- a/add-patch.c
+++ b/add-patch.c
@@ -451,7 +451,7 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
pend = p + plain->len;
while (p != pend) {
char *eol = memchr(p, '\n', pend - p);
- const char *deleted = NULL, *added = NULL, *mode_change = NULL;
+ const char *deleted = NULL, *mode_change = NULL;
if (!eol)
eol = pend;
@@ -468,12 +468,11 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
} else if (p == plain->buf)
BUG("diff starts with unexpected line:\n"
"%.*s\n", (int)(eol - p), p);
- else if (file_diff->deleted || file_diff->added)
+ else if (file_diff->deleted)
; /* keep the rest of the file in a single "hunk" */
else if (starts_with(p, "@@ ") ||
(hunk == &file_diff->head &&
- (skip_prefix(p, "deleted file", &deleted) ||
- skip_prefix(p, "new file", &added)))) {
+ (skip_prefix(p, "deleted file", &deleted)))) {
if (marker == '-' || marker == '+')
/*
* Should not happen; previous hunk did not end
@@ -491,8 +490,6 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
if (deleted)
file_diff->deleted = 1;
- else if (added)
- file_diff->added = 1;
else if (parse_hunk_header(s, hunk) < 0)
return -1;
@@ -502,6 +499,9 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
*/
marker = *p;
} else if (hunk == &file_diff->head &&
+ starts_with(p, "new file")) {
+ file_diff->added = 1;
+ } else if (hunk == &file_diff->head &&
skip_prefix(p, "old mode ", &mode_change) &&
is_octal(mode_change, eol - mode_change)) {
if (file_diff->mode_change)
@@ -1362,7 +1362,8 @@ static int patch_update_file(struct add_p_state *s,
ALLOW_EDIT = 1 << 6
} permitted = 0;
- if (!file_diff->hunk_nr)
+ /* Empty added files have no hunks */
+ if (!file_diff->hunk_nr && !file_diff->added)
return 0;
strbuf_reset(&s->buf);
@@ -1371,21 +1372,25 @@ static int patch_update_file(struct add_p_state *s,
for (;;) {
if (hunk_index >= file_diff->hunk_nr)
hunk_index = 0;
- hunk = file_diff->hunk + hunk_index;
-
+ hunk = file_diff->hunk_nr
+ ? file_diff->hunk + hunk_index
+ : &file_diff->head;
undecided_previous = -1;
- for (i = hunk_index - 1; i >= 0; i--)
- if (file_diff->hunk[i].use == UNDECIDED_HUNK) {
- undecided_previous = i;
- break;
- }
-
undecided_next = -1;
- for (i = hunk_index + 1; i < file_diff->hunk_nr; i++)
- if (file_diff->hunk[i].use == UNDECIDED_HUNK) {
- undecided_next = i;
- break;
- }
+
+ if (file_diff->hunk_nr) {
+ for (i = hunk_index - 1; i >= 0; i--)
+ if (file_diff->hunk[i].use == UNDECIDED_HUNK) {
+ undecided_previous = i;
+ break;
+ }
+
+ for (i = hunk_index + 1; i < file_diff->hunk_nr; i++)
+ if (file_diff->hunk[i].use == UNDECIDED_HUNK) {
+ undecided_next = i;
+ break;
+ }
+ }
/* Everything decided? */
if (undecided_previous < 0 && undecided_next < 0 &&
@@ -1393,38 +1398,40 @@ static int patch_update_file(struct add_p_state *s,
break;
strbuf_reset(&s->buf);
- render_hunk(s, hunk, 0, colored, &s->buf);
- fputs(s->buf.buf, stdout);
+ if (file_diff->hunk_nr) {
+ render_hunk(s, hunk, 0, colored, &s->buf);
+ fputs(s->buf.buf, stdout);
- strbuf_reset(&s->buf);
- if (undecided_previous >= 0) {
- permitted |= ALLOW_GOTO_PREVIOUS_UNDECIDED_HUNK;
- strbuf_addstr(&s->buf, ",k");
- }
- if (hunk_index) {
- permitted |= ALLOW_GOTO_PREVIOUS_HUNK;
- strbuf_addstr(&s->buf, ",K");
- }
- if (undecided_next >= 0) {
- permitted |= ALLOW_GOTO_NEXT_UNDECIDED_HUNK;
- strbuf_addstr(&s->buf, ",j");
- }
- if (hunk_index + 1 < file_diff->hunk_nr) {
- permitted |= ALLOW_GOTO_NEXT_HUNK;
- strbuf_addstr(&s->buf, ",J");
- }
- if (file_diff->hunk_nr > 1) {
- permitted |= ALLOW_SEARCH_AND_GOTO;
- strbuf_addstr(&s->buf, ",g,/");
- }
- if (hunk->splittable_into > 1) {
- permitted |= ALLOW_SPLIT;
- strbuf_addstr(&s->buf, ",s");
- }
- if (hunk_index + 1 > file_diff->mode_change &&
- !file_diff->deleted) {
- permitted |= ALLOW_EDIT;
- strbuf_addstr(&s->buf, ",e");
+ strbuf_reset(&s->buf);
+ if (undecided_previous >= 0) {
+ permitted |= ALLOW_GOTO_PREVIOUS_UNDECIDED_HUNK;
+ strbuf_addstr(&s->buf, ",k");
+ }
+ if (hunk_index) {
+ permitted |= ALLOW_GOTO_PREVIOUS_HUNK;
+ strbuf_addstr(&s->buf, ",K");
+ }
+ if (undecided_next >= 0) {
+ permitted |= ALLOW_GOTO_NEXT_UNDECIDED_HUNK;
+ strbuf_addstr(&s->buf, ",j");
+ }
+ if (hunk_index + 1 < file_diff->hunk_nr) {
+ permitted |= ALLOW_GOTO_NEXT_HUNK;
+ strbuf_addstr(&s->buf, ",J");
+ }
+ if (file_diff->hunk_nr > 1) {
+ permitted |= ALLOW_SEARCH_AND_GOTO;
+ strbuf_addstr(&s->buf, ",g,/");
+ }
+ if (hunk->splittable_into > 1) {
+ permitted |= ALLOW_SPLIT;
+ strbuf_addstr(&s->buf, ",s");
+ }
+ if (hunk_index + 1 > file_diff->mode_change &&
+ !file_diff->deleted) {
+ permitted |= ALLOW_EDIT;
+ strbuf_addstr(&s->buf, ",e");
+ }
}
if (file_diff->deleted)
prompt_mode_type = PROMPT_DELETION;
@@ -1438,7 +1445,9 @@ static int patch_update_file(struct add_p_state *s,
color_fprintf(stdout, s->s.prompt_color,
"(%"PRIuMAX"/%"PRIuMAX") ",
(uintmax_t)hunk_index + 1,
- (uintmax_t)file_diff->hunk_nr);
+ (uintmax_t)(file_diff->hunk_nr
+ ? file_diff->hunk_nr
+ : 1));
color_fprintf(stdout, s->s.prompt_color,
_(s->mode->prompt_mode[prompt_mode_type]),
s->buf.buf);
@@ -1458,16 +1467,24 @@ soft_increment:
hunk->use = SKIP_HUNK;
goto soft_increment;
} else if (ch == 'a') {
- for (; hunk_index < file_diff->hunk_nr; hunk_index++) {
- hunk = file_diff->hunk + hunk_index;
- if (hunk->use == UNDECIDED_HUNK)
- hunk->use = USE_HUNK;
+ if (file_diff->hunk_nr) {
+ for (; hunk_index < file_diff->hunk_nr; hunk_index++) {
+ hunk = file_diff->hunk + hunk_index;
+ if (hunk->use == UNDECIDED_HUNK)
+ hunk->use = USE_HUNK;
+ }
+ } else if (hunk->use == UNDECIDED_HUNK) {
+ hunk->use = USE_HUNK;
}
} else if (ch == 'd' || ch == 'q') {
- for (; hunk_index < file_diff->hunk_nr; hunk_index++) {
- hunk = file_diff->hunk + hunk_index;
- if (hunk->use == UNDECIDED_HUNK)
- hunk->use = SKIP_HUNK;
+ if (file_diff->hunk_nr) {
+ for (; hunk_index < file_diff->hunk_nr; hunk_index++) {
+ hunk = file_diff->hunk + hunk_index;
+ if (hunk->use == UNDECIDED_HUNK)
+ hunk->use = SKIP_HUNK;
+ }
+ } else if (hunk->use == UNDECIDED_HUNK) {
+ hunk->use = SKIP_HUNK;
}
if (ch == 'q') {
quit = 1;
@@ -1625,7 +1642,8 @@ soft_increment:
if (file_diff->hunk[i].use == USE_HUNK)
break;
- if (i < file_diff->hunk_nr) {
+ if (i < file_diff->hunk_nr ||
+ (!file_diff->hunk_nr && file_diff->head.use == USE_HUNK)) {
/* At least one hunk selected: apply */
strbuf_reset(&s->buf);
reassemble_patch(s, file_diff, 0, &s->buf);