static const char *external_diff_cmd_cfg;
int diff_auto_refresh_index = 1;
static int diff_mnemonic_prefix;
+static int diff_no_prefix;
+static struct diff_options default_diff_options;
static char diff_colors[][COLOR_MAXLEN] = {
GIT_COLOR_RESET,
GIT_COLOR_NORMAL, /* FUNCINFO */
};
-static void diff_filespec_load_driver(struct diff_filespec *one);
-static size_t fill_textconv(struct userdiff_driver *driver,
- struct diff_filespec *df, char **outbuf);
-
static int parse_diff_color_slot(const char *var, int ofs)
{
if (!strcasecmp(var+ofs, "plain"))
diff_mnemonic_prefix = git_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "diff.noprefix")) {
+ diff_no_prefix = git_config_bool(var, value);
+ return 0;
+ }
if (!strcmp(var, "diff.external"))
return git_config_string(&external_diff_cmd_cfg, var, value);
if (!strcmp(var, "diff.wordregex"))
return git_config_string(&diff_word_regex_cfg, var, value);
+ if (!strcmp(var, "diff.ignoresubmodules"))
+ handle_ignore_submodules_arg(&default_diff_options, value);
+
return git_diff_basic_config(var, value, cb);
}
return 0;
}
+ if (!prefixcmp(var, "submodule."))
+ return parse_submodule_config_option(var, value);
+
return git_color_default_config(var, value, cb);
}
memset(&xecfg, 0, sizeof(xecfg));
diff_words_fill(&diff_words->minus, &minus, diff_words->word_regex);
diff_words_fill(&diff_words->plus, &plus, diff_words->word_regex);
- xpp.flags = XDF_NEED_MINIMAL;
+ xpp.flags = 0;
/* as only the hunk header will be parsed, we need a 0-context */
xecfg.ctxlen = 0;
xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, diff_words,
free (ecbdata->diff_words->minus.orig);
free (ecbdata->diff_words->plus.text.ptr);
free (ecbdata->diff_words->plus.orig);
- free(ecbdata->diff_words->word_regex);
+ if (ecbdata->diff_words->word_regex) {
+ regfree(ecbdata->diff_words->word_regex);
+ free(ecbdata->diff_words->word_regex);
+ }
free(ecbdata->diff_words);
ecbdata->diff_words = NULL;
}
static void diff_filespec_load_driver(struct diff_filespec *one)
{
- if (!one->driver)
+ /* Use already-loaded driver */
+ if (one->driver)
+ return;
+
+ if (S_ISREG(one->mode))
one->driver = userdiff_find_by_path(one->path);
+
+ /* Fallback to default settings */
if (!one->driver)
one->driver = userdiff_find_by_name("default");
}
options->b_prefix = b;
}
-static struct userdiff_driver *get_textconv(struct diff_filespec *one)
+struct userdiff_driver *get_textconv(struct diff_filespec *one)
{
if (!DIFF_FILE_VALID(one))
return NULL;
- if (!S_ISREG(one->mode))
- return NULL;
+
diff_filespec_load_driver(one);
if (!one->driver->textconv)
return NULL;
struct diff_filespec *one,
struct diff_filespec *two,
const char *xfrm_msg,
+ int must_show_header,
struct diff_options *o,
int complete_rewrite)
{
if (lbl[0][0] == '/') {
/* /dev/null */
strbuf_addf(&header, "%s%snew file mode %06o%s\n", line_prefix, set, two->mode, reset);
- if (xfrm_msg && xfrm_msg[0])
- strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset);
+ if (xfrm_msg)
+ strbuf_addstr(&header, xfrm_msg);
+ must_show_header = 1;
}
else if (lbl[1][0] == '/') {
strbuf_addf(&header, "%s%sdeleted file mode %06o%s\n", line_prefix, set, one->mode, reset);
- if (xfrm_msg && xfrm_msg[0])
- strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset);
+ if (xfrm_msg)
+ strbuf_addstr(&header, xfrm_msg);
+ must_show_header = 1;
}
else {
if (one->mode != two->mode) {
strbuf_addf(&header, "%s%sold mode %06o%s\n", line_prefix, set, one->mode, reset);
strbuf_addf(&header, "%s%snew mode %06o%s\n", line_prefix, set, two->mode, reset);
+ must_show_header = 1;
}
- if (xfrm_msg && xfrm_msg[0])
- strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset);
+ if (xfrm_msg)
+ strbuf_addstr(&header, xfrm_msg);
/*
* we do not run diff between different kind
die("unable to read files to diff");
/* Quite common confusing case */
if (mf1.size == mf2.size &&
- !memcmp(mf1.ptr, mf2.ptr, mf1.size))
+ !memcmp(mf1.ptr, mf2.ptr, mf1.size)) {
+ if (must_show_header)
+ fprintf(o->file, "%s", header.buf);
goto free_ab_and_return;
+ }
fprintf(o->file, "%s", header.buf);
strbuf_reset(&header);
if (DIFF_OPT_TST(o, BINARY))
struct emit_callback ecbdata;
const struct userdiff_funcname *pe;
- if (!DIFF_XDL_TST(o, WHITESPACE_FLAGS)) {
+ if (!DIFF_XDL_TST(o, WHITESPACE_FLAGS) || must_show_header) {
fprintf(o->file, "%s", header.buf);
strbuf_reset(&header);
}
check_blank_at_eof(&mf1, &mf2, &ecbdata);
ecbdata.opt = o;
ecbdata.header = header.len ? &header : NULL;
- xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts;
+ xpp.flags = o->xdl_opts;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
xecfg.flags = XDL_EMIT_FUNCNAMES;
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
- xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts;
+ xpp.flags = o->xdl_opts;
xdi_diff_outf(&mf1, &mf2, diffstat_consume, diffstat,
&xpp, &xecfg);
}
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
xecfg.ctxlen = 1; /* at least one context line */
- xpp.flags = XDF_NEED_MINIMAL;
+ xpp.flags = 0;
xdi_diff_outf(&mf1, &mf2, checkdiff_consume, &data,
&xpp, &xecfg);
ecbdata.ws_rule = data.ws_rule;
check_blank_at_eof(&mf1, &mf2, &ecbdata);
- blank_at_eof = ecbdata.blank_at_eof_in_preimage;
+ blank_at_eof = ecbdata.blank_at_eof_in_postimage;
if (blank_at_eof) {
static char *err;
}
else {
enum object_type type;
- if (size_only)
+ if (size_only) {
type = sha1_object_info(s->sha1, &s->size);
- else {
+ if (type < 0)
+ die("unable to read %s", sha1_to_hex(s->sha1));
+ } else {
s->data = read_sha1_file(s->sha1, &type, &s->size);
+ if (!s->data)
+ die("unable to read %s", sha1_to_hex(s->sha1));
s->should_free = 1;
}
}
struct diff_filespec *one,
struct diff_filespec *two,
struct diff_options *o,
- struct diff_filepair *p)
+ struct diff_filepair *p,
+ int *must_show_header,
+ int use_color)
{
+ 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 = "";
+ *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:
- strbuf_addf(msg, "%ssimilarity index %d%%", line_prefix, similarity_index(p));
- strbuf_addf(msg, "\n%scopy from ", line_prefix);
+ strbuf_addf(msg, "%s%ssimilarity index %d%%",
+ line_prefix, set, similarity_index(p));
+ strbuf_addf(msg, "%s\n%s%scopy from ",
+ reset, line_prefix, set);
quote_c_style(name, msg, NULL, 0);
- strbuf_addf(msg, "\n%scopy to ", line_prefix);
+ strbuf_addf(msg, "%s\n%s%scopy to ", reset, line_prefix, set);
quote_c_style(other, msg, NULL, 0);
- strbuf_addch(msg, '\n');
+ strbuf_addf(msg, "%s\n", reset);
break;
case DIFF_STATUS_RENAMED:
- strbuf_addf(msg, "%ssimilarity index %d%%", line_prefix, similarity_index(p));
- strbuf_addf(msg, "\n%srename from ", line_prefix);
+ strbuf_addf(msg, "%s%ssimilarity index %d%%",
+ line_prefix, set, similarity_index(p));
+ strbuf_addf(msg, "%s\n%s%srename from ",
+ reset, line_prefix, set);
quote_c_style(name, msg, NULL, 0);
- strbuf_addf(msg, "\n%srename to ", line_prefix);
+ strbuf_addf(msg, "%s\n%s%srename to ",
+ reset, line_prefix, set);
quote_c_style(other, msg, NULL, 0);
- strbuf_addch(msg, '\n');
+ strbuf_addf(msg, "%s\n", reset);
break;
case DIFF_STATUS_MODIFIED:
if (p->score) {
- strbuf_addf(msg, "%sdissimilarity index %d%%\n",
- line_prefix, similarity_index(p));
+ strbuf_addf(msg, "%s%sdissimilarity index %d%%%s\n",
+ line_prefix,
+ set, similarity_index(p), reset);
break;
}
/* fallthru */
default:
- /* nothing */
- ;
+ *must_show_header = 0;
}
if (one && two && hashcmp(one->sha1, two->sha1)) {
int abbrev = DIFF_OPT_TST(o, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
(!fill_mmfile(&mf, two) && diff_filespec_is_binary(two)))
abbrev = 40;
}
- strbuf_addf(msg, "%sindex %.*s..%.*s",
- line_prefix, abbrev, sha1_to_hex(one->sha1),
- abbrev, sha1_to_hex(two->sha1));
+ strbuf_addf(msg, "%s%sindex %s..", line_prefix, set,
+ find_unique_abbrev(one->sha1, abbrev));
+ strbuf_addstr(msg, find_unique_abbrev(two->sha1, abbrev));
if (one->mode == two->mode)
strbuf_addf(msg, " %06o", one->mode);
- strbuf_addch(msg, '\n');
+ strbuf_addf(msg, "%s\n", reset);
}
- if (msg->len)
- strbuf_setlen(msg, msg->len - 1);
}
static void run_diff_cmd(const char *pgm,
{
const char *xfrm_msg = NULL;
int complete_rewrite = (p->status == DIFF_STATUS_MODIFIED) && p->score;
-
- if (msg) {
- fill_metainfo(msg, name, other, one, two, o, p);
- xfrm_msg = msg->len ? msg->buf : NULL;
- }
+ int must_show_header = 0;
if (!DIFF_OPT_TST(o, ALLOW_EXTERNAL))
pgm = NULL;
pgm = drv->external;
}
+ if (msg) {
+ /*
+ * don't use colors when the header is intended for an
+ * external diff driver
+ */
+ fill_metainfo(msg, name, other, one, two, o, p,
+ &must_show_header,
+ DIFF_OPT_TST(o, COLOR_DIFF) && !pgm);
+ xfrm_msg = msg->len ? msg->buf : NULL;
+ }
+
if (pgm) {
run_external_diff(pgm, name, other, one, two, xfrm_msg,
complete_rewrite);
}
if (one && two)
builtin_diff(name, other ? other : name,
- one, two, xfrm_msg, o, complete_rewrite);
+ one, two, xfrm_msg, must_show_header,
+ o, complete_rewrite);
else
fprintf(o->file, "* Unmerged path %s\n", name);
}
static void strip_prefix(int prefix_length, const char **namep, const char **otherp)
{
/* Strip the prefix but do not molest /dev/null and absolute paths */
- if (*namep && **namep != '/')
+ if (*namep && **namep != '/') {
*namep += prefix_length;
- if (*otherp && **otherp != '/')
+ if (**namep == '/')
+ ++*namep;
+ }
+ if (*otherp && **otherp != '/') {
*otherp += prefix_length;
+ if (**otherp == '/')
+ ++*otherp;
+ }
}
static void run_diff(struct diff_filepair *p, struct diff_options *o)
void diff_setup(struct diff_options *options)
{
- memset(options, 0, sizeof(*options));
- memset(&diff_queued_diff, 0, sizeof(diff_queued_diff));
+ memcpy(options, &default_diff_options, sizeof(*options));
options->file = stdout;
DIFF_OPT_SET(options, COLOR_DIFF);
options->detect_rename = diff_detect_rename_default;
- if (!diff_mnemonic_prefix) {
+ if (diff_no_prefix) {
+ options->a_prefix = options->b_prefix = "";
+ } else if (!diff_mnemonic_prefix) {
options->a_prefix = "a/";
options->b_prefix = "b/";
}
static int diff_scoreopt_parse(const char *opt);
+static inline int short_opt(char opt, const char **argv,
+ const char **optarg)
+{
+ const char *arg = argv[0];
+ if (arg[0] != '-' || arg[1] != opt)
+ return 0;
+ if (arg[2] != '\0') {
+ *optarg = arg + 2;
+ return 1;
+ }
+ if (!argv[1])
+ die("Option '%c' requires a value", opt);
+ *optarg = argv[1];
+ return 2;
+}
+
+int parse_long_opt(const char *opt, const char **argv,
+ const char **optarg)
+{
+ const char *arg = argv[0];
+ if (arg[0] != '-' || arg[1] != '-')
+ return 0;
+ arg += strlen("--");
+ if (prefixcmp(arg, opt))
+ return 0;
+ arg += strlen(opt);
+ if (*arg == '=') { /* sticked form: --option=value */
+ *optarg = arg + 1;
+ return 1;
+ }
+ if (*arg != '\0')
+ return 0;
+ /* separate form: --option value */
+ if (!argv[1])
+ die("Option '--%s' requires a value", opt);
+ *optarg = argv[1];
+ return 2;
+}
+
+static int stat_opt(struct diff_options *options, const char **av)
+{
+ const char *arg = av[0];
+ char *end;
+ int width = options->stat_width;
+ int name_width = options->stat_name_width;
+ int argcount = 1;
+
+ arg += strlen("--stat");
+ end = (char *)arg;
+
+ switch (*arg) {
+ case '-':
+ if (!prefixcmp(arg, "-width")) {
+ arg += strlen("-width");
+ if (*arg == '=')
+ width = strtoul(arg + 1, &end, 10);
+ else if (!*arg && !av[1])
+ die("Option '--stat-width' requires a value");
+ else if (!*arg) {
+ width = strtoul(av[1], &end, 10);
+ argcount = 2;
+ }
+ } else if (!prefixcmp(arg, "-name-width")) {
+ arg += strlen("-name-width");
+ if (*arg == '=')
+ name_width = strtoul(arg + 1, &end, 10);
+ else if (!*arg && !av[1])
+ die("Option '--stat-name-width' requires a value");
+ else if (!*arg) {
+ name_width = strtoul(av[1], &end, 10);
+ argcount = 2;
+ }
+ }
+ break;
+ case '=':
+ width = strtoul(arg+1, &end, 10);
+ if (*end == ',')
+ name_width = strtoul(end+1, &end, 10);
+ }
+
+ /* Important! This checks all the error cases! */
+ if (*end)
+ return 0;
+ options->output_format |= DIFF_FORMAT_DIFFSTAT;
+ options->stat_name_width = name_width;
+ options->stat_width = width;
+ return argcount;
+}
+
int diff_opt_parse(struct diff_options *options, const char **av, int ac)
{
const char *arg = av[0];
+ const char *optarg;
+ int argcount;
/* Output format options */
if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch"))
options->output_format |= DIFF_FORMAT_NAME_STATUS;
else if (!strcmp(arg, "-s"))
options->output_format |= DIFF_FORMAT_NO_OUTPUT;
- else if (!prefixcmp(arg, "--stat")) {
- char *end;
- int width = options->stat_width;
- int name_width = options->stat_name_width;
- arg += 6;
- end = (char *)arg;
-
- switch (*arg) {
- case '-':
- if (!prefixcmp(arg, "-width="))
- width = strtoul(arg + 7, &end, 10);
- else if (!prefixcmp(arg, "-name-width="))
- name_width = strtoul(arg + 12, &end, 10);
- break;
- case '=':
- width = strtoul(arg+1, &end, 10);
- if (*end == ',')
- name_width = strtoul(end+1, &end, 10);
- }
-
- /* Important! This checks all the error cases! */
- if (*end)
- return 0;
- options->output_format |= DIFF_FORMAT_DIFFSTAT;
- options->stat_name_width = name_width;
- options->stat_width = width;
- }
+ else if (!prefixcmp(arg, "--stat"))
+ /* --stat, --stat-width, or --stat-name-width */
+ return stat_opt(options, av);
/* renames options */
- else if (!prefixcmp(arg, "-B")) {
+ else if (!prefixcmp(arg, "-B") || !prefixcmp(arg, "--break-rewrites=") ||
+ !strcmp(arg, "--break-rewrites")) {
if ((options->break_opt = diff_scoreopt_parse(arg)) == -1)
- return -1;
+ return error("invalid argument to -B: %s", arg+2);
}
- else if (!prefixcmp(arg, "-M")) {
+ else if (!prefixcmp(arg, "-M") || !prefixcmp(arg, "--find-renames=") ||
+ !strcmp(arg, "--find-renames")) {
if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
- return -1;
+ return error("invalid argument to -M: %s", arg+2);
options->detect_rename = DIFF_DETECT_RENAME;
}
- else if (!prefixcmp(arg, "-C")) {
+ else if (!prefixcmp(arg, "-C") || !prefixcmp(arg, "--find-copies=") ||
+ !strcmp(arg, "--find-copies")) {
if (options->detect_rename == DIFF_DETECT_COPY)
DIFF_OPT_SET(options, FIND_COPIES_HARDER);
if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
- return -1;
+ return error("invalid argument to -C: %s", arg+2);
options->detect_rename = DIFF_DETECT_COPY;
}
else if (!strcmp(arg, "--no-renames"))
else
die("bad --word-diff argument: %s", type);
}
- else if (!prefixcmp(arg, "--word-diff-regex=")) {
+ else if ((argcount = parse_long_opt("word-diff-regex", av, &optarg))) {
if (options->word_diff == DIFF_WORDS_NONE)
options->word_diff = DIFF_WORDS_PLAIN;
- options->word_regex = arg + 18;
+ options->word_regex = optarg;
+ return argcount;
}
else if (!strcmp(arg, "--exit-code"))
DIFF_OPT_SET(options, EXIT_WITH_STATUS);
DIFF_OPT_SET(options, ALLOW_TEXTCONV);
else if (!strcmp(arg, "--no-textconv"))
DIFF_OPT_CLR(options, ALLOW_TEXTCONV);
- else if (!strcmp(arg, "--ignore-submodules"))
- DIFF_OPT_SET(options, IGNORE_SUBMODULES);
- else if (!strcmp(arg, "--submodule"))
+ else if (!strcmp(arg, "--ignore-submodules")) {
+ DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
+ handle_ignore_submodules_arg(options, "all");
+ } else if (!prefixcmp(arg, "--ignore-submodules=")) {
+ DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
+ handle_ignore_submodules_arg(options, arg + 20);
+ } else if (!strcmp(arg, "--submodule"))
DIFF_OPT_SET(options, SUBMODULE_LOG);
else if (!prefixcmp(arg, "--submodule=")) {
if (!strcmp(arg + 12, "log"))
/* misc options */
else if (!strcmp(arg, "-z"))
options->line_termination = 0;
- else if (!prefixcmp(arg, "-l"))
- options->rename_limit = strtoul(arg+2, NULL, 10);
- else if (!prefixcmp(arg, "-S"))
- options->pickaxe = arg + 2;
+ else if ((argcount = short_opt('l', av, &optarg))) {
+ options->rename_limit = strtoul(optarg, NULL, 10);
+ return argcount;
+ }
+ else if ((argcount = short_opt('S', av, &optarg))) {
+ options->pickaxe = optarg;
+ options->pickaxe_opts |= DIFF_PICKAXE_KIND_S;
+ return argcount;
+ } else if ((argcount = short_opt('G', av, &optarg))) {
+ options->pickaxe = optarg;
+ options->pickaxe_opts |= DIFF_PICKAXE_KIND_G;
+ return argcount;
+ }
else if (!strcmp(arg, "--pickaxe-all"))
- options->pickaxe_opts = DIFF_PICKAXE_ALL;
+ options->pickaxe_opts |= DIFF_PICKAXE_ALL;
else if (!strcmp(arg, "--pickaxe-regex"))
- options->pickaxe_opts = DIFF_PICKAXE_REGEX;
- else if (!prefixcmp(arg, "-O"))
- options->orderfile = arg + 2;
- else if (!prefixcmp(arg, "--diff-filter="))
- options->filter = arg + 14;
+ options->pickaxe_opts |= DIFF_PICKAXE_REGEX;
+ else if ((argcount = short_opt('O', av, &optarg))) {
+ options->orderfile = optarg;
+ return argcount;
+ }
+ else if ((argcount = parse_long_opt("diff-filter", av, &optarg))) {
+ options->filter = optarg;
+ return argcount;
+ }
else if (!strcmp(arg, "--abbrev"))
options->abbrev = DEFAULT_ABBREV;
else if (!prefixcmp(arg, "--abbrev=")) {
else if (40 < options->abbrev)
options->abbrev = 40;
}
- else if (!prefixcmp(arg, "--src-prefix="))
- options->a_prefix = arg + 13;
- else if (!prefixcmp(arg, "--dst-prefix="))
- options->b_prefix = arg + 13;
+ else if ((argcount = parse_long_opt("src-prefix", av, &optarg))) {
+ options->a_prefix = optarg;
+ return argcount;
+ }
+ else if ((argcount = parse_long_opt("dst-prefix", av, &optarg))) {
+ options->b_prefix = optarg;
+ return argcount;
+ }
else if (!strcmp(arg, "--no-prefix"))
options->a_prefix = options->b_prefix = "";
else if (opt_arg(arg, '\0', "inter-hunk-context",
&options->interhunkcontext))
;
- else if (!prefixcmp(arg, "--output=")) {
- options->file = fopen(arg + strlen("--output="), "w");
+ else if ((argcount = parse_long_opt("output", av, &optarg))) {
+ options->file = fopen(optarg, "w");
if (!options->file)
- die_errno("Could not open '%s'", arg + strlen("--output="));
+ die_errno("Could not open '%s'", optarg);
options->close_file = 1;
+ return argcount;
} else
return 0;
return 1;
}
-static int parse_num(const char **cp_p)
+int parse_rename_score(const char **cp_p)
{
unsigned long num, scale;
int ch, dot;
if (*opt++ != '-')
return -1;
cmd = *opt++;
+ if (cmd == '-') {
+ /* convert the long-form arguments into short-form versions */
+ if (!prefixcmp(opt, "break-rewrites")) {
+ opt += strlen("break-rewrites");
+ if (*opt == 0 || *opt++ == '=')
+ cmd = 'B';
+ } else if (!prefixcmp(opt, "find-copies")) {
+ opt += strlen("find-copies");
+ if (*opt == 0 || *opt++ == '=')
+ cmd = 'C';
+ } else if (!prefixcmp(opt, "find-renames")) {
+ opt += strlen("find-renames");
+ if (*opt == 0 || *opt++ == '=')
+ cmd = 'M';
+ }
+ }
if (cmd != 'M' && cmd != 'C' && cmd != 'B')
return -1; /* that is not a -M, -C nor -B option */
- opt1 = parse_num(&opt);
+ opt1 = parse_rename_score(&opt);
if (cmd != 'B')
opt2 = 0;
else {
return -1; /* we expect -B80/99 or -B80 */
else {
opt++;
- opt2 = parse_num(&opt);
+ opt2 = parse_rename_score(&opt);
}
}
if (*opt != 0)
if ((DIFF_FILE_VALID(p->one) && S_ISDIR(p->one->mode)) ||
(DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode)))
- return; /* no tree diffs in patch format */
+ return; /* no useful stat for tree diffs */
run_diffstat(p, o, diffstat);
}
if ((DIFF_FILE_VALID(p->one) && S_ISDIR(p->one->mode)) ||
(DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode)))
- return; /* no tree diffs in patch format */
+ return; /* nothing to check in tree diffs */
run_checkdiff(p, o);
}
len2, p->two->path);
git_SHA1_Update(&ctx, buffer, len1);
- xpp.flags = XDF_NEED_MINIMAL;
+ if (diff_filespec_is_binary(p->one) ||
+ diff_filespec_is_binary(p->two)) {
+ git_SHA1_Update(&ctx, sha1_to_hex(p->one->sha1), 40);
+ git_SHA1_Update(&ctx, sha1_to_hex(p->two->sha1), 40);
+ continue;
+ }
+
+ xpp.flags = 0;
xecfg.ctxlen = 3;
- xecfg.flags = XDL_EMIT_FUNCNAMES;
+ xecfg.flags = 0;
xdi_diff_outf(&mf1, &mf2, patch_id_consume, &data,
&xpp, &xecfg);
}
void diffcore_std(struct diff_options *options)
{
- /* We never run this function more than one time, because the
- * rename/copy detection logic can only run once.
- */
- if (diff_queued_diff.run)
- return;
-
if (options->skip_stat_unmatch)
diffcore_skip_stat_unmatch(options);
- if (options->break_opt != -1)
- diffcore_break(options->break_opt);
- if (options->detect_rename)
- diffcore_rename(options);
- if (options->break_opt != -1)
- diffcore_merge_broken();
+ if (!options->found_follow) {
+ /* See try_to_follow_renames() in tree-diff.c */
+ if (options->break_opt != -1)
+ diffcore_break(options->break_opt);
+ if (options->detect_rename)
+ diffcore_rename(options);
+ if (options->break_opt != -1)
+ diffcore_merge_broken();
+ }
if (options->pickaxe)
- diffcore_pickaxe(options->pickaxe, options->pickaxe_opts);
+ diffcore_pickaxe(options);
if (options->orderfile)
diffcore_order(options->orderfile);
- diff_resolve_rename_copy();
+ if (!options->found_follow)
+ /* See try_to_follow_renames() in tree-diff.c */
+ diff_resolve_rename_copy();
diffcore_apply_filter(options->filter);
if (diff_queued_diff.nr && !DIFF_OPT_TST(options, DIFF_FROM_CONTENTS))
else
DIFF_OPT_CLR(options, HAS_CHANGES);
- diff_queued_diff.run = 1;
+ options->found_follow = 0;
}
int diff_result_code(struct diff_options *opt, int status)
return result;
}
+/*
+ * Shall changes to this submodule be ignored?
+ *
+ * Submodule changes can be configured to be ignored separately for each path,
+ * but that configuration can be overridden from the command line.
+ */
+static int is_submodule_ignored(const char *path, struct diff_options *options)
+{
+ int ignored = 0;
+ unsigned orig_flags = options->flags;
+ if (!DIFF_OPT_TST(options, OVERRIDE_SUBMODULE_CONFIG))
+ set_diffopt_flags_from_submodule_config(options, path);
+ if (DIFF_OPT_TST(options, IGNORE_SUBMODULES))
+ ignored = 1;
+ options->flags = orig_flags;
+ return ignored;
+}
+
void diff_addremove(struct diff_options *options,
int addremove, unsigned mode,
const unsigned char *sha1,
{
struct diff_filespec *one, *two;
- if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(mode))
+ if (S_ISGITLINK(mode) && is_submodule_ignored(concatpath, options))
return;
/* This may look odd, but it is a preparation for
{
struct diff_filespec *one, *two;
- if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(old_mode)
- && S_ISGITLINK(new_mode))
+ if (S_ISGITLINK(old_mode) && S_ISGITLINK(new_mode) &&
+ is_submodule_ignored(concatpath, options))
return;
if (DIFF_OPT_TST(options, REVERSE_DIFF)) {
return strbuf_detach(&buf, outsize);
}
-static size_t fill_textconv(struct userdiff_driver *driver,
- struct diff_filespec *df,
- char **outbuf)
+size_t fill_textconv(struct userdiff_driver *driver,
+ struct diff_filespec *df,
+ char **outbuf)
{
size_t size;
return df->size;
}
- if (driver->textconv_cache) {
+ if (driver->textconv_cache && df->sha1_valid) {
*outbuf = notes_cache_get(driver->textconv_cache, df->sha1,
&size);
if (*outbuf)
if (!*outbuf)
die("unable to read files to diff");
- if (driver->textconv_cache) {
+ if (driver->textconv_cache && df->sha1_valid) {
/* ignore errors, as we might be in a readonly repository */
notes_cache_put(driver->textconv_cache, df->sha1, *outbuf,
size);