static int show_index_info = 0;
static int line_termination = '\n';
static const char apply_usage[] =
-"git-apply [--stat] [--numstat] [--summary] [--check] [--index] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [-z] [-pNUM] <patch>...";
+"git-apply [--stat] [--numstat] [--summary] [--check] [--index] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [-z] [-pNUM]
[--whitespace=<nowarn|warn|error|error-all|strip>] <patch>...";
static enum whitespace_eol {
- nowarn,
+ nowarn_whitespace,
warn_on_whitespace,
error_on_whitespace,
- strip_and_apply,
-} new_whitespace = nowarn;
+ strip_whitespace,
+} new_whitespace = warn_on_whitespace;
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 void parse_whitespace_option(const char *option)
+{
+ if (!option) {
+ new_whitespace = warn_on_whitespace;
+ return;
+ }
+ if (!strcmp(option, "warn")) {
+ new_whitespace = warn_on_whitespace;
+ return;
+ }
+ if (!strcmp(option, "nowarn")) {
+ new_whitespace = nowarn_whitespace;
+ return;
+ }
+ if (!strcmp(option, "error")) {
+ new_whitespace = error_on_whitespace;
+ return;
+ }
+ if (!strcmp(option, "error-all")) {
+ new_whitespace = error_on_whitespace;
+ squelch_whitespace_errors = 0;
+ return;
+ }
+ if (!strcmp(option, "strip")) {
+ new_whitespace = strip_whitespace;
+ return;
+ }
+ die("unrecognized whitespace option '%s'", option);
+}
+
+static void set_default_whitespace_mode(const char *whitespace_option)
+{
+ if (!whitespace_option && !apply_default_whitespace) {
+ new_whitespace = (apply
+ ? warn_on_whitespace
+ : nowarn_whitespace);
+ }
+}
+
/*
* For "diff-stat" like behaviour, we keep track of the biggest change
* we've seen, and the longest filename. That allows us to do simple
* That is, an addition of an empty line would check
* the '+' here. Sneaky...
*/
- if ((new_whitespace != nowarn) &&
+ if ((new_whitespace != nowarn_whitespace) &&
isspace(line[len-2])) {
- fprintf(stderr, "Added whitespace\n");
- fprintf(stderr, "%s:%d:%.*s\n",
- patch_input_file,
- linenr, len-2, line+1);
- whitespace_error = 1;
+ whitespace_error++;
+ if (squelch_whitespace_errors &&
+ squelch_whitespace_errors <
+ whitespace_error)
+ ;
+ else {
+ fprintf(stderr, "Adds trailing whitespace.\n%s:%d:%.*s\n",
+ patch_input_file,
+ linenr, len-2, line+1);
+ }
}
added++;
newlines--;
* patch[plen] is '\n'.
*/
int add_nl_to_tail = 0;
- if ((new_whitespace == strip_and_apply) &&
+ if ((new_whitespace == strip_whitespace) &&
1 < plen && isspace(patch[plen-1])) {
if (patch[plen] == '\n')
add_nl_to_tail = 1;
plen--;
while (0 < plen && isspace(patch[plen]))
plen--;
+ applied_after_stripping++;
}
memcpy(output, patch + 1, plen);
if (add_nl_to_tail)
return 0;
}
+static int git_apply_config(const char *var, const char *value)
+{
+ if (!strcmp(var, "apply.whitespace")) {
+ apply_default_whitespace = strdup(value);
+ return 0;
+ }
+ return git_default_config(var, value);
+}
+
+
int main(int argc, char **argv)
{
int i;
int read_stdin = 1;
+ const char *whitespace_option = NULL;
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
continue;
}
if (!strncmp(arg, "--whitespace=", 13)) {
- if (!strcmp(arg+13, "warn")) {
- new_whitespace = warn_on_whitespace;
- continue;
- }
- if (!strcmp(arg+13, "error")) {
- new_whitespace = error_on_whitespace;
- continue;
- }
- if (!strcmp(arg+13, "strip")) {
- new_whitespace = strip_and_apply;
- continue;
- }
- die("unrecognixed whitespace option '%s'", arg+13);
+ whitespace_option = arg + 13;
+ parse_whitespace_option(arg + 13);
+ continue;
}
if (check_index && prefix_length < 0) {
prefix = setup_git_directory();
prefix_length = prefix ? strlen(prefix) : 0;
- git_config(git_default_config);
+ git_config(git_apply_config);
+ if (!whitespace_option && apply_default_whitespace)
+ parse_whitespace_option(apply_default_whitespace);
}
if (0 < prefix_length)
arg = prefix_filename(prefix, prefix_length, arg);
if (fd < 0)
usage(apply_usage);
read_stdin = 0;
+ set_default_whitespace_mode(whitespace_option);
apply_patch(fd, arg);
close(fd);
}
+ set_default_whitespace_mode(whitespace_option);
if (read_stdin)
apply_patch(0, "<stdin>");
- if (whitespace_error && new_whitespace == error_on_whitespace)
- return 1;
+ if (whitespace_error) {
+ 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;
}