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-rw-r--r--builtin/apply.c48
1 files changed, 35 insertions, 13 deletions
diff --git a/builtin/apply.c b/builtin/apply.c
index 97ade77..84a8a0b 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
};
/*
@@ -1635,7 +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;
@@ -2088,7 +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) {
@@ -2431,11 +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;
@@ -2443,6 +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;
@@ -2536,14 +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' &&
@@ -2625,7 +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);
@@ -2641,6 +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.
@@ -2788,12 +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;
@@ -3816,7 +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;
@@ -3835,12 +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,
@@ -3875,6 +3895,8 @@ 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",