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-rw-r--r--builtin/apply.c67
1 files changed, 45 insertions, 22 deletions
diff --git a/builtin/apply.c b/builtin/apply.c
index 14951daedf..389898f133 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -14,6 +14,7 @@
#include "builtin.h"
#include "string-list.h"
#include "dir.h"
+#include "diff.h"
#include "parse-options.h"
/*
@@ -43,6 +44,7 @@ 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 +206,7 @@ struct line {
unsigned hash : 24;
unsigned flag : 8;
#define LINE_COMMON 1
+#define LINE_PATCHED 2
};
/*
@@ -248,9 +251,6 @@ static int fuzzy_matchlines(const char *s1, size_t n1,
const char *last2 = s2 + n2 - 1;
int result = 0;
- if (n1 < 0 || n2 < 0)
- return 0;
-
/* ignore line endings */
while ((*last1 == '\r') || (*last1 == '\n'))
last1--;
@@ -1405,6 +1405,9 @@ 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;
@@ -1632,7 +1635,7 @@ 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;
@@ -2085,7 +2088,8 @@ 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) {
@@ -2428,11 +2432,15 @@ 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;
@@ -2440,6 +2448,8 @@ 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;
@@ -2533,14 +2543,18 @@ 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' &&
@@ -2622,7 +2636,8 @@ 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);
@@ -2638,6 +2653,15 @@ 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.
@@ -2785,12 +2809,14 @@ 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;
@@ -3216,7 +3242,7 @@ static void stat_patch_list(struct patch *patch)
show_stats(patch);
}
- printf(" %d files changed, %d insertions(+), %d deletions(-)\n", files, adds, dels);
+ print_stat_summary(stdout, files, adds, dels);
}
static void numstat_patch_list(struct patch *patch)
@@ -3562,15 +3588,12 @@ static int write_out_one_reject(struct patch *patch)
return -1;
}
-static int write_out_results(struct patch *list, int skipped_patch)
+static int write_out_results(struct patch *list)
{
int phase;
int errs = 0;
struct patch *l;
- if (!list && !skipped_patch)
- return error("No changes");
-
for (phase = 0; phase < 2; phase++) {
l = list;
while (l) {
@@ -3696,6 +3719,9 @@ static int apply_patch(int fd, const char *filename, int options)
offset += nr;
}
+ if (!list && !skipped_patch)
+ die("unrecognized input");
+
if (whitespace_error && (ws_error_action == die_on_ws_error))
apply = 0;
@@ -3713,7 +3739,7 @@ static int apply_patch(int fd, const char *filename, int options)
!apply_with_reject)
exit(1);
- if (apply && write_out_results(list, skipped_patch))
+ if (apply && write_out_results(list))
exit(1);
if (fake_ancestor)
@@ -3813,7 +3839,6 @@ 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;
@@ -3832,12 +3857,8 @@ 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,
@@ -3872,6 +3893,8 @@ 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_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",
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-20 15:49:52 +0000