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apply: squelch excessive errors and --whitespace=error-all

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This by default makes --whitespace=warn, error, and strip to
warn only the first 5 additions of trailing whitespaces.  A new
option --whitespace=error-all can be used to view all of them
before applying.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-02-27 14:16:30 -08:00
parent 5c7b580c94
commit 59aa256204
1 changed files with 45 additions and 8 deletions
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53
apply.c
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@ -41,6 +41,8 @@ static enum whitespace_eol {
strip_and_apply, strip_and_apply,
} new_whitespace = nowarn; } new_whitespace = nowarn;
static int whitespace_error = 0; static int whitespace_error = 0;
static int squelch_whitespace_errors = 5;
static int applied_after_stripping = 0;
static const char *patch_input_file = NULL; static const char *patch_input_file = NULL;
/* /*
@ -832,11 +834,16 @@ static int parse_fragment(char *line, unsigned long size, struct patch *patch, s
*/ */
if ((new_whitespace != nowarn) && if ((new_whitespace != nowarn) &&
isspace(line[len-2])) { isspace(line[len-2])) {
fprintf(stderr, "Added whitespace\n"); whitespace_error++;
fprintf(stderr, "%s:%d:%.*s\n", if (squelch_whitespace_errors &&
patch_input_file, squelch_whitespace_errors <
linenr, len-2, line+1); whitespace_error)
whitespace_error = 1; ;
else {
fprintf(stderr, "Adds trailing whitespace.\n%s:%d:%.*s\n",
patch_input_file,
linenr, len-2, line+1);
}
} }
added++; added++;
newlines--; newlines--;
@ -1129,6 +1136,7 @@ static int apply_line(char *output, const char *patch, int plen)
plen--; plen--;
while (0 < plen && isspace(patch[plen])) while (0 < plen && isspace(patch[plen]))
plen--; plen--;
applied_after_stripping++;
} }
memcpy(output, patch + 1, plen); memcpy(output, patch + 1, plen);
if (add_nl_to_tail) if (add_nl_to_tail)
@ -1887,11 +1895,16 @@ int main(int argc, char **argv)
new_whitespace = error_on_whitespace; new_whitespace = error_on_whitespace;
continue; continue;
} }
if (!strcmp(arg+13, "error-all")) {
new_whitespace = error_on_whitespace;
squelch_whitespace_errors = 0;
continue;
}
if (!strcmp(arg+13, "strip")) { if (!strcmp(arg+13, "strip")) {
new_whitespace = strip_and_apply; new_whitespace = strip_and_apply;
continue; continue;
} }
die("unrecognixed whitespace option '%s'", arg+13); die("unrecognized whitespace option '%s'", arg+13);
} }
if (check_index && prefix_length < 0) { if (check_index && prefix_length < 0) {
@ -1911,7 +1924,31 @@ int main(int argc, char **argv)
} }
if (read_stdin) if (read_stdin)
apply_patch(0, "<stdin>"); apply_patch(0, "<stdin>");
if (whitespace_error && new_whitespace == error_on_whitespace) if (whitespace_error) {
return 1; if (squelch_whitespace_errors &&
squelch_whitespace_errors < whitespace_error) {
int squelched =
whitespace_error - squelch_whitespace_errors;
fprintf(stderr, "warning: squelched %d whitespace error%s\n",
squelched,
squelched == 1 ? "" : "s");
}
if (new_whitespace == error_on_whitespace)
die("%d line%s add%s trailing whitespaces.",
whitespace_error,
whitespace_error == 1 ? "" : "s",
whitespace_error == 1 ? "s" : "");
if (applied_after_stripping)
fprintf(stderr, "warning: %d line%s applied after"
" stripping trailing whitespaces.\n",
applied_after_stripping,
applied_after_stripping == 1 ? "" : "s");
else if (whitespace_error)
fprintf(stderr, "warning: %d line%s add%s trailing"
" whitespaces.\n",
whitespace_error,
whitespace_error == 1 ? "" : "s",
whitespace_error == 1 ? "s" : "");
}
return 0; return 0;
} }