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Diffstat (limited to 'diff.c')
-rw-r--r--diff.c133
1 files changed, 36 insertions, 97 deletions
diff --git a/diff.c b/diff.c
index 0724fa6ff6..156fec4470 100644
--- a/diff.c
+++ b/diff.c
@@ -425,12 +425,7 @@ static void emit_line_0(struct diff_options *o, const char *set, const char *res
int nofirst;
FILE *file = o->file;
- if (o->output_prefix) {
- struct strbuf *msg = NULL;
- msg = o->output_prefix(o, o->output_prefix_data);
- assert(msg);
- fwrite(msg->buf, msg->len, 1, file);
- }
+ fputs(diff_line_prefix(o), file);
if (len == 0) {
has_trailing_newline = (first == '\n');
@@ -648,13 +643,7 @@ static void emit_rewrite_diff(const char *name_a,
char *data_one, *data_two;
size_t size_one, size_two;
struct emit_callback ecbdata;
- char *line_prefix = "";
- struct strbuf *msgbuf;
-
- if (o && o->output_prefix) {
- msgbuf = o->output_prefix(o, o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ const char *line_prefix = diff_line_prefix(o);
if (diff_mnemonic_prefix && DIFF_OPT_TST(o, REVERSE_DIFF)) {
a_prefix = o->b_prefix;
@@ -850,18 +839,14 @@ static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len)
int minus_first, minus_len, plus_first, plus_len;
const char *minus_begin, *minus_end, *plus_begin, *plus_end;
struct diff_options *opt = diff_words->opt;
- struct strbuf *msgbuf;
- char *line_prefix = "";
+ const char *line_prefix;
if (line[0] != '@' || parse_hunk_header(line, len,
&minus_first, &minus_len, &plus_first, &plus_len))
return;
assert(opt);
- if (opt->output_prefix) {
- msgbuf = opt->output_prefix(opt, opt->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ line_prefix = diff_line_prefix(opt);
/* POSIX requires that first be decremented by one if len == 0... */
if (minus_len) {
@@ -985,14 +970,10 @@ static void diff_words_show(struct diff_words_data *diff_words)
struct diff_words_style *style = diff_words->style;
struct diff_options *opt = diff_words->opt;
- struct strbuf *msgbuf;
- char *line_prefix = "";
+ const char *line_prefix;
assert(opt);
- if (opt->output_prefix) {
- msgbuf = opt->output_prefix(opt, opt->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ line_prefix = diff_line_prefix(opt);
/* special case: only removal */
if (!diff_words->plus.text.size) {
@@ -1128,6 +1109,16 @@ const char *diff_get_color(int diff_use_color, enum color_diff ix)
return "";
}
+const char *diff_line_prefix(struct diff_options *opt)
+{
+ struct strbuf *msgbuf;
+ if (!opt->output_prefix)
+ return "";
+
+ msgbuf = opt->output_prefix(opt, opt->output_prefix_data);
+ return msgbuf->buf;
+}
+
static unsigned long sane_truncate_line(struct emit_callback *ecb, char *line, unsigned long len)
{
const char *cp;
@@ -1168,13 +1159,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
const char *plain = diff_get_color(ecbdata->color_diff, DIFF_PLAIN);
const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
struct diff_options *o = ecbdata->opt;
- char *line_prefix = "";
- struct strbuf *msgbuf;
-
- if (o && o->output_prefix) {
- msgbuf = o->output_prefix(o, o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ const char *line_prefix = diff_line_prefix(o);
if (ecbdata->header) {
fprintf(ecbdata->opt->file, "%s", ecbdata->header->buf);
@@ -1498,16 +1483,11 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
const char *reset, *add_c, *del_c;
const char *line_prefix = "";
int extra_shown = 0;
- struct strbuf *msg = NULL;
if (data->nr == 0)
return;
- if (options->output_prefix) {
- msg = options->output_prefix(options, options->output_prefix_data);
- line_prefix = msg->buf;
- }
-
+ line_prefix = diff_line_prefix(options);
count = options->stat_count ? options->stat_count : data->nr;
reset = diff_get_color_opt(options, DIFF_RESET);
@@ -1759,12 +1739,7 @@ static void show_shortstats(struct diffstat_t *data, struct diff_options *option
dels += deleted;
}
}
- if (options->output_prefix) {
- struct strbuf *msg = NULL;
- msg = options->output_prefix(options,
- options->output_prefix_data);
- fprintf(options->file, "%s", msg->buf);
- }
+ fprintf(options->file, "%s", diff_line_prefix(options));
print_stat_summary(options->file, total_files, adds, dels);
}
@@ -1778,12 +1753,7 @@ static void show_numstat(struct diffstat_t *data, struct diff_options *options)
for (i = 0; i < data->nr; i++) {
struct diffstat_file *file = data->files[i];
- if (options->output_prefix) {
- struct strbuf *msg = NULL;
- msg = options->output_prefix(options,
- options->output_prefix_data);
- fprintf(options->file, "%s", msg->buf);
- }
+ fprintf(options->file, "%s", diff_line_prefix(options));
if (file->is_binary)
fprintf(options->file, "-\t-\t");
@@ -1825,13 +1795,7 @@ static long gather_dirstat(struct diff_options *opt, struct dirstat_dir *dir,
{
unsigned long this_dir = 0;
unsigned int sources = 0;
- const char *line_prefix = "";
- struct strbuf *msg = NULL;
-
- if (opt->output_prefix) {
- msg = opt->output_prefix(opt, opt->output_prefix_data);
- line_prefix = msg->buf;
- }
+ const char *line_prefix = diff_line_prefix(opt);
while (dir->nr) {
struct dirstat_file *f = dir->files;
@@ -2081,15 +2045,10 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len)
const char *reset = diff_get_color(data->o->use_color, DIFF_RESET);
const char *set = diff_get_color(data->o->use_color, DIFF_FILE_NEW);
char *err;
- char *line_prefix = "";
- struct strbuf *msgbuf;
+ const char *line_prefix;
assert(data->o);
- if (data->o->output_prefix) {
- msgbuf = data->o->output_prefix(data->o,
- data->o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ line_prefix = diff_line_prefix(data->o);
if (line[0] == '+') {
unsigned bad;
@@ -2146,7 +2105,8 @@ static unsigned char *deflate_it(char *data,
return deflated;
}
-static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two, char *prefix)
+static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two,
+ const char *prefix)
{
void *cp;
void *delta;
@@ -2207,7 +2167,8 @@ static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two, char
free(data);
}
-static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two, char *prefix)
+static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two,
+ const char *prefix)
{
fprintf(file, "%sGIT binary patch\n", prefix);
emit_binary_diff_body(file, one, two, prefix);
@@ -2274,13 +2235,7 @@ static void builtin_diff(const char *name_a,
struct userdiff_driver *textconv_one = NULL;
struct userdiff_driver *textconv_two = NULL;
struct strbuf header = STRBUF_INIT;
- struct strbuf *msgbuf;
- char *line_prefix = "";
-
- if (o->output_prefix) {
- msgbuf = o->output_prefix(o, o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
+ const char *line_prefix = diff_line_prefix(o);
if (DIFF_OPT_TST(o, SUBMODULE_LOG) &&
(!one->mode || S_ISGITLINK(one->mode)) &&
@@ -2979,14 +2934,9 @@ static void fill_metainfo(struct strbuf *msg,
{
const char *set = diff_get_color(use_color, DIFF_METAINFO);
const char *reset = diff_get_color(use_color, DIFF_RESET);
- struct strbuf *msgbuf;
- char *line_prefix = "";
+ const char *line_prefix = diff_line_prefix(o);
*must_show_header = 1;
- if (o->output_prefix) {
- msgbuf = o->output_prefix(o, o->output_prefix_data);
- line_prefix = msgbuf->buf;
- }
strbuf_init(msg, PATH_MAX * 2 + 300);
switch (p->status) {
case DIFF_STATUS_COPIED:
@@ -3660,6 +3610,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
DIFF_OPT_SET(options, FIND_COPIES_HARDER);
else if (!strcmp(arg, "--follow"))
DIFF_OPT_SET(options, FOLLOW_RENAMES);
+ else if (!strcmp(arg, "--no-follow"))
+ DIFF_OPT_CLR(options, FOLLOW_RENAMES);
else if (!strcmp(arg, "--color"))
options->use_color = 1;
else if (!prefixcmp(arg, "--color=")) {
@@ -3932,12 +3884,8 @@ static void diff_flush_raw(struct diff_filepair *p, struct diff_options *opt)
{
int line_termination = opt->line_termination;
int inter_name_termination = line_termination ? '\t' : '\0';
- if (opt->output_prefix) {
- struct strbuf *msg = NULL;
- msg = opt->output_prefix(opt, opt->output_prefix_data);
- fprintf(opt->file, "%s", msg->buf);
- }
+ fprintf(opt->file, "%s", diff_line_prefix(opt));
if (!(opt->output_format & DIFF_FORMAT_NAME_STATUS)) {
fprintf(opt->file, ":%06o %06o %s ", p->one->mode, p->two->mode,
diff_unique_abbrev(p->one->sha1, opt->abbrev));
@@ -4207,12 +4155,7 @@ static void show_rename_copy(FILE *file, const char *renamecopy, struct diff_fil
static void diff_summary(struct diff_options *opt, struct diff_filepair *p)
{
FILE *file = opt->file;
- char *line_prefix = "";
-
- if (opt->output_prefix) {
- struct strbuf *buf = opt->output_prefix(opt, opt->output_prefix_data);
- line_prefix = buf->buf;
- }
+ const char *line_prefix = diff_line_prefix(opt);
switch(p->status) {
case DIFF_STATUS_DELETED:
@@ -4513,13 +4456,9 @@ void diff_flush(struct diff_options *options)
if (output_format & DIFF_FORMAT_PATCH) {
if (separator) {
- if (options->output_prefix) {
- struct strbuf *msg = NULL;
- msg = options->output_prefix(options,
- options->output_prefix_data);
- fwrite(msg->buf, msg->len, 1, stdout);
- }
- putc(options->line_termination, options->file);
+ fprintf(options->file, "%s%c",
+ diff_line_prefix(options),
+ options->line_termination);
if (options->stat_sep) {
/* attach patch instead of inline */
fputs(options->stat_sep, options->file);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 16:11:35 +0000