diff options
Diffstat (limited to 'builtin-apply.c')
| -rw-r--r-- | builtin-apply.c | 61 |
1 files changed, 42 insertions, 19 deletions
diff --git a/builtin-apply.c b/builtin-apply.c index c8372a0a80..f667368d16 100644 --- a/builtin-apply.c +++ b/builtin-apply.c @@ -153,6 +153,7 @@ struct fragment { const char *patch; int size; int rejected; + int linenr; struct fragment *next; }; @@ -1227,23 +1228,29 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc return -1; } -static void check_whitespace(const char *line, int len, unsigned ws_rule) +static void record_ws_error(unsigned result, const char *line, int len, int linenr) { char *err; - unsigned result = ws_check(line + 1, len - 1, ws_rule); + if (!result) return; whitespace_error++; if (squelch_whitespace_errors && squelch_whitespace_errors < whitespace_error) - ; - else { - err = whitespace_error_string(result); - fprintf(stderr, "%s:%d: %s.\n%.*s\n", - patch_input_file, linenr, err, len - 2, line + 1); - free(err); - } + return; + + err = whitespace_error_string(result); + fprintf(stderr, "%s:%d: %s.\n%.*s\n", + patch_input_file, linenr, err, len, line); + free(err); +} + +static void check_whitespace(const char *line, int len, unsigned ws_rule) +{ + unsigned result = ws_check(line + 1, len - 1, ws_rule); + + record_ws_error(result, line + 1, len - 2, linenr); } /* @@ -1359,6 +1366,7 @@ static int parse_single_patch(char *line, unsigned long size, struct patch *patc int len; fragment = xcalloc(1, sizeof(*fragment)); + fragment->linenr = linenr; len = parse_fragment(line, size, patch, fragment); if (len <= 0) die("corrupt patch at line %d", linenr); @@ -2142,6 +2150,7 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, int len = linelen(patch, size); int plen, added; int added_blank_line = 0; + int is_blank_context = 0; if (!len) break; @@ -2174,8 +2183,12 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, *new++ = '\n'; add_line_info(&preimage, "\n", 1, LINE_COMMON); add_line_info(&postimage, "\n", 1, LINE_COMMON); + is_blank_context = 1; break; case ' ': + if (plen && (ws_rule & WS_BLANK_AT_EOF) && + ws_blank_line(patch + 1, plen, ws_rule)) + is_blank_context = 1; case '-': memcpy(old, patch + 1, plen); add_line_info(&preimage, old, plen, @@ -2202,7 +2215,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, (first == '+' ? 0 : LINE_COMMON)); new += added; if (first == '+' && - added == 1 && new[-1] == '\n') + (ws_rule & WS_BLANK_AT_EOF) && + ws_blank_line(patch + 1, plen, ws_rule)) added_blank_line = 1; break; case '@': case '\\': @@ -2215,6 +2229,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, } if (added_blank_line) new_blank_lines_at_end++; + else if (is_blank_context) + ; else new_blank_lines_at_end = 0; patch += len; @@ -2296,17 +2312,24 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, } if (applied_pos >= 0) { - if (ws_error_action == correct_ws_error && - new_blank_lines_at_end && - postimage.nr + applied_pos == img->nr) { + if (new_blank_lines_at_end && + preimage.nr + applied_pos == img->nr && + (ws_rule & WS_BLANK_AT_EOF) && + ws_error_action != nowarn_ws_error) { + record_ws_error(WS_BLANK_AT_EOF, "+", 1, frag->linenr); + if (ws_error_action == correct_ws_error) { + while (new_blank_lines_at_end--) + remove_last_line(&postimage); + } /* - * If the patch application adds blank lines - * at the end, and if the patch applies at the - * end of the image, remove those added blank - * lines. + * We would want to prevent write_out_results() + * from taking place in apply_patch() that follows + * the callchain led us here, which is: + * apply_patch->check_patch_list->check_patch-> + * apply_data->apply_fragments->apply_one_fragment */ - while (new_blank_lines_at_end--) - remove_last_line(&postimage); + if (ws_error_action == die_on_ws_error) + apply = 0; } /* |