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Diffstat (limited to 'builtin/apply.c')
-rw-r--r--builtin/apply.c122
1 files changed, 88 insertions, 34 deletions
diff --git a/builtin/apply.c b/builtin/apply.c
index 23c18c573b..84a8a0b521 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -43,6 +43,7 @@ static int apply = 1;
static int apply_in_reverse;
static int apply_with_reject;
static int apply_verbosely;
+static int allow_overlap;
static int no_add;
static const char *fake_ancestor;
static int line_termination = '\n';
@@ -204,6 +205,7 @@ struct line {
unsigned hash : 24;
unsigned flag : 8;
#define LINE_COMMON 1
+#define LINE_PATCHED 2
};
/*
@@ -449,7 +451,7 @@ static char *find_name_gnu(const char *line, char *def, int p_value)
return squash_slash(strbuf_detach(&name, NULL));
}
-static size_t tz_len(const char *line, size_t len)
+static size_t sane_tz_len(const char *line, size_t len)
{
const char *tz, *p;
@@ -467,6 +469,24 @@ static size_t tz_len(const char *line, size_t len)
return line + len - tz;
}
+static size_t tz_with_colon_len(const char *line, size_t len)
+{
+ const char *tz, *p;
+
+ if (len < strlen(" +08:00") || line[len - strlen(":00")] != ':')
+ return 0;
+ tz = line + len - strlen(" +08:00");
+
+ if (tz[0] != ' ' || (tz[1] != '+' && tz[1] != '-'))
+ return 0;
+ p = tz + 2;
+ if (!isdigit(*p++) || !isdigit(*p++) || *p++ != ':' ||
+ !isdigit(*p++) || !isdigit(*p++))
+ return 0;
+
+ return line + len - tz;
+}
+
static size_t date_len(const char *line, size_t len)
{
const char *date, *p;
@@ -561,7 +581,9 @@ static size_t diff_timestamp_len(const char *line, size_t len)
if (!isdigit(end[-1]))
return 0;
- n = tz_len(line, end - line);
+ n = sane_tz_len(line, end - line);
+ if (!n)
+ n = tz_with_colon_len(line, end - line);
end -= n;
n = short_time_len(line, end - line);
@@ -733,8 +755,8 @@ static int has_epoch_timestamp(const char *nameline)
" "
"[0-2][0-9]:[0-5][0-9]:00(\\.0+)?"
" "
- "([-+][0-2][0-9][0-5][0-9])\n";
- const char *timestamp = NULL, *cp;
+ "([-+][0-2][0-9]:?[0-5][0-9])\n";
+ const char *timestamp = NULL, *cp, *colon;
static regex_t *stamp;
regmatch_t m[10];
int zoneoffset;
@@ -764,8 +786,11 @@ static int has_epoch_timestamp(const char *nameline)
return 0;
}
- zoneoffset = strtol(timestamp + m[3].rm_so + 1, NULL, 10);
- zoneoffset = (zoneoffset / 100) * 60 + (zoneoffset % 100);
+ zoneoffset = strtol(timestamp + m[3].rm_so + 1, (char **) &colon, 10);
+ if (*colon == ':')
+ zoneoffset = zoneoffset * 60 + strtol(colon + 1, NULL, 10);
+ else
+ zoneoffset = (zoneoffset / 100) * 60 + (zoneoffset % 100);
if (timestamp[m[3].rm_so] == '-')
zoneoffset = -zoneoffset;
@@ -919,28 +944,28 @@ static int gitdiff_newfile(const char *line, struct patch *patch)
static int gitdiff_copysrc(const char *line, struct patch *patch)
{
patch->is_copy = 1;
- patch->old_name = find_name(line, NULL, 0, 0);
+ patch->old_name = find_name(line, NULL, p_value ? p_value - 1 : 0, 0);
return 0;
}
static int gitdiff_copydst(const char *line, struct patch *patch)
{
patch->is_copy = 1;
- patch->new_name = find_name(line, NULL, 0, 0);
+ patch->new_name = find_name(line, NULL, p_value ? p_value - 1 : 0, 0);
return 0;
}
static int gitdiff_renamesrc(const char *line, struct patch *patch)
{
patch->is_rename = 1;
- patch->old_name = find_name(line, NULL, 0, 0);
+ patch->old_name = find_name(line, NULL, p_value ? p_value - 1 : 0, 0);
return 0;
}
static int gitdiff_renamedst(const char *line, struct patch *patch)
{
patch->is_rename = 1;
- patch->new_name = find_name(line, NULL, 0, 0);
+ patch->new_name = find_name(line, NULL, p_value ? p_value - 1 : 0, 0);
return 0;
}
@@ -1025,7 +1050,7 @@ static char *git_header_name(char *line, int llen)
{
const char *name;
const char *second = NULL;
- size_t len;
+ size_t len, line_len;
line += strlen("diff --git ");
llen -= strlen("diff --git ");
@@ -1125,6 +1150,10 @@ static char *git_header_name(char *line, int llen)
* Accept a name only if it shows up twice, exactly the same
* form.
*/
+ second = strchr(name, '\n');
+ if (!second)
+ return NULL;
+ line_len = second - name;
for (len = 0 ; ; len++) {
switch (name[len]) {
default:
@@ -1132,15 +1161,11 @@ static char *git_header_name(char *line, int llen)
case '\n':
return NULL;
case '\t': case ' ':
- second = name+len;
- for (;;) {
- char c = *second++;
- if (c == '\n')
- return NULL;
- if (c == '/')
- break;
- }
- if (second[len] == '\n' && !memcmp(name, second, len)) {
+ second = stop_at_slash(name + len, line_len - len);
+ if (!second)
+ return NULL;
+ second++;
+ if (second[len] == '\n' && !strncmp(name, second, len)) {
return xmemdupz(name, len);
}
}
@@ -1382,6 +1407,9 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc
"%d leading pathname components (line %d)" , p_value, linenr);
patch->old_name = patch->new_name = patch->def_name;
}
+ if (!patch->is_delete && !patch->new_name)
+ die("git diff header lacks filename information "
+ "(line %d)", linenr);
patch->is_toplevel_relative = 1;
*hdrsize = git_hdr_len;
return offset;
@@ -1609,7 +1637,7 @@ static inline int metadata_changes(struct patch *patch)
static char *inflate_it(const void *data, unsigned long size,
unsigned long inflated_size)
{
- z_stream stream;
+ git_zstream stream;
void *out;
int st;
@@ -2062,7 +2090,8 @@ static int match_fragment(struct image *img,
/* Quick hash check */
for (i = 0; i < preimage_limit; i++)
- if (preimage->line[i].hash != img->line[try_lno + i].hash)
+ if ((img->line[try_lno + i].flag & LINE_PATCHED) ||
+ (preimage->line[i].hash != img->line[try_lno + i].hash))
return 0;
if (preimage_limit == preimage->nr) {
@@ -2405,11 +2434,15 @@ static void update_image(struct image *img,
memcpy(img->line + applied_pos,
postimage->line,
postimage->nr * sizeof(*img->line));
+ if (!allow_overlap)
+ for (i = 0; i < postimage->nr; i++)
+ img->line[applied_pos + i].flag |= LINE_PATCHED;
img->nr = nr;
}
static int apply_one_fragment(struct image *img, struct fragment *frag,
- int inaccurate_eof, unsigned ws_rule)
+ int inaccurate_eof, unsigned ws_rule,
+ int nth_fragment)
{
int match_beginning, match_end;
const char *patch = frag->patch;
@@ -2417,6 +2450,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
char *old, *oldlines;
struct strbuf newlines;
int new_blank_lines_at_end = 0;
+ int found_new_blank_lines_at_end = 0;
+ int hunk_linenr = frag->linenr;
unsigned long leading, trailing;
int pos, applied_pos;
struct image preimage;
@@ -2510,14 +2545,18 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
error("invalid start of line: '%c'", first);
return -1;
}
- if (added_blank_line)
+ if (added_blank_line) {
+ if (!new_blank_lines_at_end)
+ found_new_blank_lines_at_end = hunk_linenr;
new_blank_lines_at_end++;
+ }
else if (is_blank_context)
;
else
new_blank_lines_at_end = 0;
patch += len;
size -= len;
+ hunk_linenr++;
}
if (inaccurate_eof &&
old > oldlines && old[-1] == '\n' &&
@@ -2599,7 +2638,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
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);
+ record_ws_error(WS_BLANK_AT_EOF, "+", 1,
+ found_new_blank_lines_at_end);
if (ws_error_action == correct_ws_error) {
while (new_blank_lines_at_end--)
remove_last_line(&postimage);
@@ -2615,6 +2655,15 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
apply = 0;
}
+ if (apply_verbosely && applied_pos != pos) {
+ int offset = applied_pos - pos;
+ if (apply_in_reverse)
+ offset = 0 - offset;
+ fprintf(stderr,
+ "Hunk #%d succeeded at %d (offset %d lines).\n",
+ nth_fragment, applied_pos + 1, offset);
+ }
+
/*
* Warn if it was necessary to reduce the number
* of context lines.
@@ -2645,6 +2694,12 @@ static int apply_binary_fragment(struct image *img, struct patch *patch)
unsigned long len;
void *dst;
+ if (!fragment)
+ return error("missing binary patch data for '%s'",
+ patch->new_name ?
+ patch->new_name :
+ patch->old_name);
+
/* Binary patch is irreversible without the optional second hunk */
if (apply_in_reverse) {
if (!fragment->next)
@@ -2756,12 +2811,14 @@ static int apply_fragments(struct image *img, struct patch *patch)
const char *name = patch->old_name ? patch->old_name : patch->new_name;
unsigned ws_rule = patch->ws_rule;
unsigned inaccurate_eof = patch->inaccurate_eof;
+ int nth = 0;
if (patch->is_binary)
return apply_binary(img, patch);
while (frag) {
- if (apply_one_fragment(img, frag, inaccurate_eof, ws_rule)) {
+ nth++;
+ if (apply_one_fragment(img, frag, inaccurate_eof, ws_rule, nth)) {
error("patch failed: %s:%ld", name, frag->oldpos);
if (!apply_with_reject)
return -1;
@@ -3784,7 +3841,6 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
int i;
int errs = 0;
int is_not_gitdir = !startup_info->have_repository;
- int binary;
int force_apply = 0;
const char *whitespace_option = NULL;
@@ -3803,12 +3859,8 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
"ignore additions made by the patch"),
OPT_BOOLEAN(0, "stat", &diffstat,
"instead of applying the patch, output diffstat for the input"),
- { OPTION_BOOLEAN, 0, "allow-binary-replacement", &binary,
- NULL, "old option, now no-op",
- PARSE_OPT_HIDDEN | PARSE_OPT_NOARG },
- { OPTION_BOOLEAN, 0, "binary", &binary,
- NULL, "old option, now no-op",
- PARSE_OPT_HIDDEN | PARSE_OPT_NOARG },
+ OPT_NOOP_NOARG(0, "allow-binary-replacement"),
+ OPT_NOOP_NOARG(0, "binary"),
OPT_BOOLEAN(0, "numstat", &numstat,
"shows number of added and deleted lines in decimal notation"),
OPT_BOOLEAN(0, "summary", &summary,
@@ -3843,7 +3895,9 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
"don't expect at least one line of context"),
OPT_BOOLEAN(0, "reject", &apply_with_reject,
"leave the rejected hunks in corresponding *.rej files"),
- OPT__VERBOSE(&apply_verbosely),
+ OPT_BOOLEAN(0, "allow-overlap", &allow_overlap,
+ "allow overlapping hunks"),
+ OPT__VERBOSE(&apply_verbosely, "be verbose"),
OPT_BIT(0, "inaccurate-eof", &options,
"tolerate incorrectly detected missing new-line at the end of file",
INACCURATE_EOF),
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-01 15:46:20 +0000