GIT_COLOR_NORMAL, /* FUNCINFO */
};
-static int parse_diff_color_slot(const char *var, int ofs)
+static int parse_diff_color_slot(const char *var)
{
- if (!strcasecmp(var+ofs, "plain"))
+ if (!strcasecmp(var, "plain"))
return DIFF_PLAIN;
- if (!strcasecmp(var+ofs, "meta"))
+ if (!strcasecmp(var, "meta"))
return DIFF_METAINFO;
- if (!strcasecmp(var+ofs, "frag"))
+ if (!strcasecmp(var, "frag"))
return DIFF_FRAGINFO;
- if (!strcasecmp(var+ofs, "old"))
+ if (!strcasecmp(var, "old"))
return DIFF_FILE_OLD;
- if (!strcasecmp(var+ofs, "new"))
+ if (!strcasecmp(var, "new"))
return DIFF_FILE_NEW;
- if (!strcasecmp(var+ofs, "commit"))
+ if (!strcasecmp(var, "commit"))
return DIFF_COMMIT;
- if (!strcasecmp(var+ofs, "whitespace"))
+ if (!strcasecmp(var, "whitespace"))
return DIFF_WHITESPACE;
- if (!strcasecmp(var+ofs, "func"))
+ if (!strcasecmp(var, "func"))
return DIFF_FUNCINFO;
return -1;
}
int git_diff_basic_config(const char *var, const char *value, void *cb)
{
+ const char *name;
+
if (!strcmp(var, "diff.renamelimit")) {
diff_rename_limit_default = git_config_int(var, value);
return 0;
if (userdiff_config(var, value) < 0)
return -1;
- if (starts_with(var, "diff.color.") || starts_with(var, "color.diff.")) {
- int slot = parse_diff_color_slot(var, 11);
+ if (skip_prefix(var, "diff.color.", &name) ||
+ skip_prefix(var, "color.diff.", &name)) {
+ int slot = parse_diff_color_slot(name);
if (slot < 0)
return 0;
if (!value)
const char *name_b)
{
struct diffstat_file *x;
- x = xcalloc(sizeof (*x), 1);
+ x = xcalloc(1, sizeof(*x));
ALLOC_GROW(diffstat->files, diffstat->nr + 1, diffstat->alloc);
diffstat->files[diffstat->nr++] = x;
if (name_b) {
} else {
/* Crazy xdl interfaces.. */
const char *diffopts = getenv("GIT_DIFF_OPTS");
+ const char *v;
xpparam_t xpp;
xdemitconf_t xecfg;
struct emit_callback ecbdata;
xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags);
if (!diffopts)
;
- else if (starts_with(diffopts, "--unified="))
- xecfg.ctxlen = strtoul(diffopts + 10, NULL, 10);
- else if (starts_with(diffopts, "-u"))
- xecfg.ctxlen = strtoul(diffopts + 2, NULL, 10);
+ else if (skip_prefix(diffopts, "--unified=", &v))
+ xecfg.ctxlen = strtoul(v, NULL, 10);
+ else if (skip_prefix(diffopts, "-u", &v))
+ xecfg.ctxlen = strtoul(v, NULL, 10);
if (o->word_diff)
init_diff_words_data(&ecbdata, o, one, two);
xdi_diff_outf(&mf1, &mf2, fn_out_consume, &ecbdata,
return temp;
}
+static void add_external_diff_name(struct argv_array *argv,
+ const char *name,
+ struct diff_filespec *df)
+{
+ struct diff_tempfile *temp = prepare_temp_file(name, df);
+ argv_array_push(argv, temp->name);
+ argv_array_push(argv, temp->hex);
+ argv_array_push(argv, temp->mode);
+}
+
/* An external diff command takes:
*
* diff-cmd name infile1 infile1-sha1 infile1-mode \
struct diff_options *o)
{
struct argv_array argv = ARGV_ARRAY_INIT;
- int retval;
+ struct argv_array env = ARGV_ARRAY_INIT;
struct diff_queue_struct *q = &diff_queued_diff;
- const char *env[3] = { NULL };
- char env_counter[50];
- char env_total[50];
+
+ argv_array_push(&argv, pgm);
+ argv_array_push(&argv, name);
if (one && two) {
- struct diff_tempfile *temp_one, *temp_two;
- const char *othername = (other ? other : name);
- temp_one = prepare_temp_file(name, one);
- temp_two = prepare_temp_file(othername, two);
- argv_array_push(&argv, pgm);
- argv_array_push(&argv, name);
- argv_array_push(&argv, temp_one->name);
- argv_array_push(&argv, temp_one->hex);
- argv_array_push(&argv, temp_one->mode);
- argv_array_push(&argv, temp_two->name);
- argv_array_push(&argv, temp_two->hex);
- argv_array_push(&argv, temp_two->mode);
- if (other) {
+ add_external_diff_name(&argv, name, one);
+ if (!other)
+ add_external_diff_name(&argv, name, two);
+ else {
+ add_external_diff_name(&argv, other, two);
argv_array_push(&argv, other);
argv_array_push(&argv, xfrm_msg);
}
- } else {
- argv_array_push(&argv, pgm);
- argv_array_push(&argv, name);
}
- fflush(NULL);
- env[0] = env_counter;
- snprintf(env_counter, sizeof(env_counter), "GIT_DIFF_PATH_COUNTER=%d",
- ++o->diff_path_counter);
- env[1] = env_total;
- snprintf(env_total, sizeof(env_total), "GIT_DIFF_PATH_TOTAL=%d", q->nr);
+ argv_array_pushf(&env, "GIT_DIFF_PATH_COUNTER=%d", ++o->diff_path_counter);
+ argv_array_pushf(&env, "GIT_DIFF_PATH_TOTAL=%d", q->nr);
+
+ if (run_command_v_opt_cd_env(argv.argv, RUN_USING_SHELL, NULL, env.argv))
+ die(_("external diff died, stopping at %s"), name);
- retval = run_command_v_opt_cd_env(argv.argv, RUN_USING_SHELL, NULL, env);
remove_tempfile();
argv_array_clear(&argv);
- if (retval) {
- fprintf(stderr, "external diff died, stopping at %s.\n", name);
- exit(1);
- }
+ argv_array_clear(&env);
}
static int similarity_index(struct diff_filepair *p)
options->context = diff_context_default;
DIFF_OPT_SET(options, RENAME_EMPTY);
+ /* pathchange left =NULL by default */
options->change = diff_change;
options->add_remove = diff_addremove;
options->use_color = diff_use_color_default;
const char **optarg)
{
const char *arg = argv[0];
- if (arg[0] != '-' || arg[1] != '-')
+ if (!skip_prefix(arg, "--", &arg))
return 0;
- arg += strlen("--");
- if (!starts_with(arg, opt))
+ if (!skip_prefix(arg, opt, &arg))
return 0;
- arg += strlen(opt);
if (*arg == '=') { /* stuck form: --option=value */
*optarg = arg + 1;
return 1;
int count = options->stat_count;
int argcount = 1;
- arg += strlen("--stat");
+ if (!skip_prefix(arg, "--stat", &arg))
+ die("BUG: stat option does not begin with --stat: %s", arg);
end = (char *)arg;
switch (*arg) {
case '-':
- if (starts_with(arg, "-width")) {
- arg += strlen("-width");
+ if (skip_prefix(arg, "-width", &arg)) {
if (*arg == '=')
width = strtoul(arg + 1, &end, 10);
else if (!*arg && !av[1])
width = strtoul(av[1], &end, 10);
argcount = 2;
}
- } else if (starts_with(arg, "-name-width")) {
- arg += strlen("-name-width");
+ } else if (skip_prefix(arg, "-name-width", &arg)) {
if (*arg == '=')
name_width = strtoul(arg + 1, &end, 10);
else if (!*arg && !av[1])
name_width = strtoul(av[1], &end, 10);
argcount = 2;
}
- } else if (starts_with(arg, "-graph-width")) {
- arg += strlen("-graph-width");
+ } else if (skip_prefix(arg, "-graph-width", &arg)) {
if (*arg == '=')
graph_width = strtoul(arg + 1, &end, 10);
else if (!*arg && !av[1])
graph_width = strtoul(av[1], &end, 10);
argcount = 2;
}
- } else if (starts_with(arg, "-count")) {
- arg += strlen("-count");
+ } else if (skip_prefix(arg, "-count", &arg)) {
if (*arg == '=')
count = strtoul(arg + 1, &end, 10);
else if (!*arg && !av[1])
options->output_format |= DIFF_FORMAT_SHORTSTAT;
else if (!strcmp(arg, "-X") || !strcmp(arg, "--dirstat"))
return parse_dirstat_opt(options, "");
- else if (starts_with(arg, "-X"))
- return parse_dirstat_opt(options, arg + 2);
- else if (starts_with(arg, "--dirstat="))
- return parse_dirstat_opt(options, arg + 10);
+ else if (skip_prefix(arg, "-X", &arg))
+ return parse_dirstat_opt(options, arg);
+ else if (skip_prefix(arg, "--dirstat=", &arg))
+ return parse_dirstat_opt(options, arg);
else if (!strcmp(arg, "--cumulative"))
return parse_dirstat_opt(options, "cumulative");
else if (!strcmp(arg, "--dirstat-by-file"))
return parse_dirstat_opt(options, "files");
- else if (starts_with(arg, "--dirstat-by-file=")) {
+ else if (skip_prefix(arg, "--dirstat-by-file=", &arg)) {
parse_dirstat_opt(options, "files");
- return parse_dirstat_opt(options, arg + 18);
+ return parse_dirstat_opt(options, arg);
}
else if (!strcmp(arg, "--check"))
options->output_format |= DIFF_FORMAT_CHECKDIFF;
DIFF_OPT_CLR(options, RENAME_EMPTY);
else if (!strcmp(arg, "--relative"))
DIFF_OPT_SET(options, RELATIVE_NAME);
- else if (starts_with(arg, "--relative=")) {
+ else if (skip_prefix(arg, "--relative=", &arg)) {
DIFF_OPT_SET(options, RELATIVE_NAME);
- options->prefix = arg + 11;
+ options->prefix = arg;
}
/* xdiff options */
DIFF_OPT_CLR(options, FOLLOW_RENAMES);
else if (!strcmp(arg, "--color"))
options->use_color = 1;
- else if (starts_with(arg, "--color=")) {
- int value = git_config_colorbool(NULL, arg+8);
+ else if (skip_prefix(arg, "--color=", &arg)) {
+ int value = git_config_colorbool(NULL, arg);
if (value < 0)
return error("option `color' expects \"always\", \"auto\", or \"never\"");
options->use_color = value;
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;
}
- else if (starts_with(arg, "--color-words=")) {
+ else if (skip_prefix(arg, "--color-words=", &arg)) {
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;
- options->word_regex = arg + 14;
+ options->word_regex = arg;
}
else if (!strcmp(arg, "--word-diff")) {
if (options->word_diff == DIFF_WORDS_NONE)
options->word_diff = DIFF_WORDS_PLAIN;
}
- else if (starts_with(arg, "--word-diff=")) {
- const char *type = arg + 12;
- if (!strcmp(type, "plain"))
+ else if (skip_prefix(arg, "--word-diff=", &arg)) {
+ if (!strcmp(arg, "plain"))
options->word_diff = DIFF_WORDS_PLAIN;
- else if (!strcmp(type, "color")) {
+ else if (!strcmp(arg, "color")) {
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;
}
- else if (!strcmp(type, "porcelain"))
+ else if (!strcmp(arg, "porcelain"))
options->word_diff = DIFF_WORDS_PORCELAIN;
- else if (!strcmp(type, "none"))
+ else if (!strcmp(arg, "none"))
options->word_diff = DIFF_WORDS_NONE;
else
- die("bad --word-diff argument: %s", type);
+ die("bad --word-diff argument: %s", arg);
}
else if ((argcount = parse_long_opt("word-diff-regex", av, &optarg))) {
if (options->word_diff == DIFF_WORDS_NONE)
else if (!strcmp(arg, "--ignore-submodules")) {
DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
handle_ignore_submodules_arg(options, "all");
- } else if (starts_with(arg, "--ignore-submodules=")) {
+ } else if (skip_prefix(arg, "--ignore-submodules=", &arg)) {
DIFF_OPT_SET(options, OVERRIDE_SUBMODULE_CONFIG);
- handle_ignore_submodules_arg(options, arg + 20);
+ handle_ignore_submodules_arg(options, arg);
} else if (!strcmp(arg, "--submodule"))
DIFF_OPT_SET(options, SUBMODULE_LOG);
- else if (starts_with(arg, "--submodule="))
- return parse_submodule_opt(options, arg + 12);
+ else if (skip_prefix(arg, "--submodule=", &arg))
+ return parse_submodule_opt(options, arg);
/* misc options */
else if (!strcmp(arg, "-z"))
}
else if (!strcmp(arg, "--abbrev"))
options->abbrev = DEFAULT_ABBREV;
- else if (starts_with(arg, "--abbrev=")) {
- options->abbrev = strtoul(arg + 9, NULL, 10);
+ else if (skip_prefix(arg, "--abbrev=", &arg)) {
+ options->abbrev = strtoul(arg, NULL, 10);
if (options->abbrev < MINIMUM_ABBREV)
options->abbrev = MINIMUM_ABBREV;
else if (40 < options->abbrev)
cmd = *opt++;
if (cmd == '-') {
/* convert the long-form arguments into short-form versions */
- if (starts_with(opt, "break-rewrites")) {
- opt += strlen("break-rewrites");
+ if (skip_prefix(opt, "break-rewrites", &opt)) {
if (*opt == 0 || *opt++ == '=')
cmd = 'B';
- } else if (starts_with(opt, "find-copies")) {
- opt += strlen("find-copies");
+ } else if (skip_prefix(opt, "find-copies", &opt)) {
if (*opt == 0 || *opt++ == '=')
cmd = 'C';
- } else if (starts_with(opt, "find-renames")) {
- opt += strlen("find-renames");
+ } else if (skip_prefix(opt, "find-renames", &opt)) {
if (*opt == 0 || *opt++ == '=')
cmd = 'M';
}
void diffcore_std(struct diff_options *options)
{
+ /* NOTE please keep the following in sync with diff_tree_combined() */
if (options->skip_stat_unmatch)
diffcore_skip_stat_unmatch(options);
if (!options->found_follow) {