'git-apply' [--stat] [--numstat] [--summary] [--check] [--index]
[--apply] [--no-add] [--build-fake-ancestor <file>] [-R | --reverse]
[--allow-binary-replacement | --binary] [--reject] [-z]
- [-pNUM] [-CNUM] [--inaccurate-eof] [--cached]
+ [-pNUM] [-CNUM] [--inaccurate-eof] [--recount] [--cached]
[--whitespace=<nowarn|warn|fix|error|error-all>]
[--exclude=PATH] [--verbose] [<patch>...]
current patch being applied will be printed. This option will cause
additional information to be reported.
+--recount::
+ Do not trust the line counts in the hunk headers, but infer them
+ by inspecting the patch (e.g. after editing the patch without
+ adjusting the hunk headers appropriately).
+
Configuration
-------------
unsigned int is_binary:1;
unsigned int is_copy:1;
unsigned int is_rename:1;
+ unsigned int recount:1;
struct fragment *fragments;
char *result;
size_t resultsize;
return offset + ex;
}
+static void recount_diff(char *line, int size, struct fragment *fragment)
+{
+ int oldlines = 0, newlines = 0, ret = 0;
+
+ if (size < 1) {
+ warning("recount: ignore empty hunk");
+ return;
+ }
+
+ for (;;) {
+ int len = linelen(line, size);
+ size -= len;
+ line += len;
+
+ if (size < 1)
+ break;
+
+ switch (*line) {
+ case ' ': case '\n':
+ newlines++;
+ /* fall through */
+ case '-':
+ oldlines++;
+ continue;
+ case '+':
+ newlines++;
+ continue;
+ case '\\':
+ break;
+ case '@':
+ ret = size < 3 || prefixcmp(line, "@@ ");
+ break;
+ case 'd':
+ ret = size < 5 || prefixcmp(line, "diff ");
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+ if (ret) {
+ warning("recount: unexpected line: %.*s",
+ (int)linelen(line, size), line);
+ return;
+ }
+ break;
+ }
+ fragment->oldlines = oldlines;
+ fragment->newlines = newlines;
+}
+
/*
* Parse a unified diff fragment header of the
* form "@@ -a,b +c,d @@"
offset = parse_fragment_header(line, len, fragment);
if (offset < 0)
return -1;
+ if (offset > 0 && patch->recount)
+ recount_diff(line + offset, size - offset, fragment);
oldlines = fragment->oldlines;
newlines = fragment->newlines;
leading = 0;
}
}
-static int apply_patch(int fd, const char *filename, int inaccurate_eof)
+#define INACCURATE_EOF (1<<0)
+#define RECOUNT (1<<1)
+
+static int apply_patch(int fd, const char *filename, int options)
{
size_t offset;
struct strbuf buf;
int nr;
patch = xcalloc(1, sizeof(*patch));
- patch->inaccurate_eof = inaccurate_eof;
+ patch->inaccurate_eof = !!(options & INACCURATE_EOF);
+ patch->recount = !!(options & RECOUNT);
nr = parse_chunk(buf.buf + offset, buf.len - offset, patch);
if (nr < 0)
break;
{
int i;
int read_stdin = 1;
- int inaccurate_eof = 0;
+ int options = 0;
int errs = 0;
int is_not_gitdir;
int fd;
if (!strcmp(arg, "-")) {
- errs |= apply_patch(0, "<stdin>", inaccurate_eof);
+ errs |= apply_patch(0, "<stdin>", options);
read_stdin = 0;
continue;
}
continue;
}
if (!strcmp(arg, "--inaccurate-eof")) {
- inaccurate_eof = 1;
+ options |= INACCURATE_EOF;
+ continue;
+ }
+ if (!strcmp(arg, "--recount")) {
+ options |= RECOUNT;
continue;
}
if (0 < prefix_length)
die("can't open patch '%s': %s", arg, strerror(errno));
read_stdin = 0;
set_default_whitespace_mode(whitespace_option);
- errs |= apply_patch(fd, arg, inaccurate_eof);
+ errs |= apply_patch(fd, arg, options);
close(fd);
}
set_default_whitespace_mode(whitespace_option);
if (read_stdin)
- errs |= apply_patch(0, "<stdin>", inaccurate_eof);
+ errs |= apply_patch(0, "<stdin>", options);
if (whitespace_error) {
if (squelch_whitespace_errors &&
squelch_whitespace_errors < whitespace_error) {
# Copyright (c) 2005 Junio C Hamano
#
-test_description='git apply --stat --summary test.
+test_description='git apply --stat --summary test, with --recount
'
. ./test-lib.sh
-test_expect_success \
- 'rename' \
- 'git apply --stat --summary <../t4100/t-apply-1.patch >current &&
- test_cmp ../t4100/t-apply-1.expect current'
-
-test_expect_success \
- 'copy' \
- 'git apply --stat --summary <../t4100/t-apply-2.patch >current &&
- test_cmp ../t4100/t-apply-2.expect current'
-
-test_expect_success \
- 'rewrite' \
- 'git apply --stat --summary <../t4100/t-apply-3.patch >current &&
- test_cmp ../t4100/t-apply-3.expect current'
-
-test_expect_success \
- 'mode' \
- 'git apply --stat --summary <../t4100/t-apply-4.patch >current &&
- test_cmp ../t4100/t-apply-4.expect current'
-
-test_expect_success \
- 'non git' \
- 'git apply --stat --summary <../t4100/t-apply-5.patch >current &&
- test_cmp ../t4100/t-apply-5.expect current'
-
-test_expect_success \
- 'non git' \
- 'git apply --stat --summary <../t4100/t-apply-6.patch >current &&
- test_cmp ../t4100/t-apply-6.expect current'
-
-test_expect_success \
- 'non git' \
- 'git apply --stat --summary <../t4100/t-apply-7.patch >current &&
- test_cmp ../t4100/t-apply-7.expect current'
+UNC='s/^\(@@ -[1-9][0-9]*\),[0-9]* \(+[1-9][0-9]*\),[0-9]* @@/\1,999 \2,999 @@/'
+
+num=0
+while read title
+do
+ num=$(( $num + 1 ))
+ test_expect_success "$title" '
+ git apply --stat --summary \
+ <"$TEST_DIRECTORY/t4100/t-apply-$num.patch" >current &&
+ test_cmp ../t4100/t-apply-$num.expect current
+ '
+
+ test_expect_success "$title with recount" '
+ sed -e "$UNC" <"$TEST_DIRECTORY/t4100/t-apply-$num.patch" |
+ git apply --recount --stat --summary >current &&
+ test_cmp ../t4100/t-apply-$num.expect current
+ '
+done <<\EOF
+rename
+copy
+rewrite
+mode
+non git (1)
+non git (2)
+non git (3)
+EOF
test_done