Revision 420e9af498848f9a3994ecb471dc51d5203f51cd authored by Daniel Barkalow on 18 March 2008, 02:15:02 UTC, committed by Junio C Hamano on 19 March 2008, 08:43:02 UTC
Before the second fetch-pack connection in the same process, unmark all of the objects marked in the first connection, in order that we'll list them as things we have instead of thinking we've already mentioned them. Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 parent 7d00419
ws.c
/*
* Whitespace rules
*
* Copyright (c) 2007 Junio C Hamano
*/
#include "cache.h"
#include "attr.h"
static struct whitespace_rule {
const char *rule_name;
unsigned rule_bits;
} whitespace_rule_names[] = {
{ "trailing-space", WS_TRAILING_SPACE },
{ "space-before-tab", WS_SPACE_BEFORE_TAB },
{ "indent-with-non-tab", WS_INDENT_WITH_NON_TAB },
{ "cr-at-eol", WS_CR_AT_EOL },
};
unsigned parse_whitespace_rule(const char *string)
{
unsigned rule = WS_DEFAULT_RULE;
while (string) {
int i;
size_t len;
const char *ep;
int negated = 0;
string = string + strspn(string, ", \t\n\r");
ep = strchr(string, ',');
if (!ep)
len = strlen(string);
else
len = ep - string;
if (*string == '-') {
negated = 1;
string++;
len--;
}
if (!len)
break;
for (i = 0; i < ARRAY_SIZE(whitespace_rule_names); i++) {
if (strncmp(whitespace_rule_names[i].rule_name,
string, len))
continue;
if (negated)
rule &= ~whitespace_rule_names[i].rule_bits;
else
rule |= whitespace_rule_names[i].rule_bits;
break;
}
string = ep;
}
return rule;
}
static void setup_whitespace_attr_check(struct git_attr_check *check)
{
static struct git_attr *attr_whitespace;
if (!attr_whitespace)
attr_whitespace = git_attr("whitespace", 10);
check[0].attr = attr_whitespace;
}
unsigned whitespace_rule(const char *pathname)
{
struct git_attr_check attr_whitespace_rule;
setup_whitespace_attr_check(&attr_whitespace_rule);
if (!git_checkattr(pathname, 1, &attr_whitespace_rule)) {
const char *value;
value = attr_whitespace_rule.value;
if (ATTR_TRUE(value)) {
/* true (whitespace) */
unsigned all_rule = 0;
int i;
for (i = 0; i < ARRAY_SIZE(whitespace_rule_names); i++)
all_rule |= whitespace_rule_names[i].rule_bits;
return all_rule;
} else if (ATTR_FALSE(value)) {
/* false (-whitespace) */
return 0;
} else if (ATTR_UNSET(value)) {
/* reset to default (!whitespace) */
return whitespace_rule_cfg;
} else {
/* string */
return parse_whitespace_rule(value);
}
} else {
return whitespace_rule_cfg;
}
}
/* The returned string should be freed by the caller. */
char *whitespace_error_string(unsigned ws)
{
struct strbuf err;
strbuf_init(&err, 0);
if (ws & WS_TRAILING_SPACE)
strbuf_addstr(&err, "trailing whitespace");
if (ws & WS_SPACE_BEFORE_TAB) {
if (err.len)
strbuf_addstr(&err, ", ");
strbuf_addstr(&err, "space before tab in indent");
}
if (ws & WS_INDENT_WITH_NON_TAB) {
if (err.len)
strbuf_addstr(&err, ", ");
strbuf_addstr(&err, "indent with spaces");
}
return strbuf_detach(&err, NULL);
}
/* If stream is non-NULL, emits the line after checking. */
unsigned check_and_emit_line(const char *line, int len, unsigned ws_rule,
FILE *stream, const char *set,
const char *reset, const char *ws)
{
unsigned result = 0;
int written = 0;
int trailing_whitespace = -1;
int trailing_newline = 0;
int trailing_carriage_return = 0;
int i;
/* Logic is simpler if we temporarily ignore the trailing newline. */
if (len > 0 && line[len - 1] == '\n') {
trailing_newline = 1;
len--;
}
if ((ws_rule & WS_CR_AT_EOL) &&
len > 0 && line[len - 1] == '\r') {
trailing_carriage_return = 1;
len--;
}
/* Check for trailing whitespace. */
if (ws_rule & WS_TRAILING_SPACE) {
for (i = len - 1; i >= 0; i--) {
if (isspace(line[i])) {
trailing_whitespace = i;
result |= WS_TRAILING_SPACE;
}
else
break;
}
}
/* Check for space before tab in initial indent. */
for (i = 0; i < len; i++) {
if (line[i] == ' ')
continue;
if (line[i] != '\t')
break;
if ((ws_rule & WS_SPACE_BEFORE_TAB) && written < i) {
result |= WS_SPACE_BEFORE_TAB;
if (stream) {
fputs(ws, stream);
fwrite(line + written, i - written, 1, stream);
fputs(reset, stream);
}
} else if (stream)
fwrite(line + written, i - written, 1, stream);
if (stream)
fwrite(line + i, 1, 1, stream);
written = i + 1;
}
/* Check for indent using non-tab. */
if ((ws_rule & WS_INDENT_WITH_NON_TAB) && i - written >= 8) {
result |= WS_INDENT_WITH_NON_TAB;
if (stream) {
fputs(ws, stream);
fwrite(line + written, i - written, 1, stream);
fputs(reset, stream);
}
written = i;
}
if (stream) {
/*
* Now the rest of the line starts at "written".
* The non-highlighted part ends at "trailing_whitespace".
*/
if (trailing_whitespace == -1)
trailing_whitespace = len;
/* Emit non-highlighted (middle) segment. */
if (trailing_whitespace - written > 0) {
fputs(set, stream);
fwrite(line + written,
trailing_whitespace - written, 1, stream);
fputs(reset, stream);
}
/* Highlight errors in trailing whitespace. */
if (trailing_whitespace != len) {
fputs(ws, stream);
fwrite(line + trailing_whitespace,
len - trailing_whitespace, 1, stream);
fputs(reset, stream);
}
if (trailing_carriage_return)
fputc('\r', stream);
if (trailing_newline)
fputc('\n', stream);
}
return result;
}
/* Copy the line to the buffer while fixing whitespaces */
int ws_fix_copy(char *dst, const char *src, int len, unsigned ws_rule, int *error_count)
{
/*
* len is number of bytes to be copied from src, starting
* at src. Typically src[len-1] is '\n', unless this is
* the incomplete last line.
*/
int i;
int add_nl_to_tail = 0;
int add_cr_to_tail = 0;
int fixed = 0;
int last_tab_in_indent = -1;
int last_space_in_indent = -1;
int need_fix_leading_space = 0;
char *buf;
/*
* Strip trailing whitespace
*/
if ((ws_rule & WS_TRAILING_SPACE) &&
(2 <= len && isspace(src[len-2]))) {
if (src[len - 1] == '\n') {
add_nl_to_tail = 1;
len--;
if (1 < len && src[len - 1] == '\r') {
add_cr_to_tail = !!(ws_rule & WS_CR_AT_EOL);
len--;
}
}
if (0 < len && isspace(src[len - 1])) {
while (0 < len && isspace(src[len-1]))
len--;
fixed = 1;
}
}
/*
* Check leading whitespaces (indent)
*/
for (i = 0; i < len; i++) {
char ch = src[i];
if (ch == '\t') {
last_tab_in_indent = i;
if ((ws_rule & WS_SPACE_BEFORE_TAB) &&
0 <= last_space_in_indent)
need_fix_leading_space = 1;
} else if (ch == ' ') {
last_space_in_indent = i;
if ((ws_rule & WS_INDENT_WITH_NON_TAB) &&
8 <= i - last_tab_in_indent)
need_fix_leading_space = 1;
} else
break;
}
buf = dst;
if (need_fix_leading_space) {
/* Process indent ourselves */
int consecutive_spaces = 0;
int last = last_tab_in_indent + 1;
if (ws_rule & WS_INDENT_WITH_NON_TAB) {
/* have "last" point at one past the indent */
if (last_tab_in_indent < last_space_in_indent)
last = last_space_in_indent + 1;
else
last = last_tab_in_indent + 1;
}
/*
* between src[0..last-1], strip the funny spaces,
* updating them to tab as needed.
*/
for (i = 0; i < last; i++) {
char ch = src[i];
if (ch != ' ') {
consecutive_spaces = 0;
*dst++ = ch;
} else {
consecutive_spaces++;
if (consecutive_spaces == 8) {
*dst++ = '\t';
consecutive_spaces = 0;
}
}
}
while (0 < consecutive_spaces--)
*dst++ = ' ';
len -= last;
src += last;
fixed = 1;
}
memcpy(dst, src, len);
if (add_cr_to_tail)
dst[len++] = '\r';
if (add_nl_to_tail)
dst[len++] = '\n';
if (fixed && error_count)
(*error_count)++;
return dst + len - buf;
}
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