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-rw-r--r--diff.c616
1 files changed, 376 insertions, 240 deletions
diff --git a/diff.c b/diff.c
index 5306c48652..ec5c095199 100644
--- a/diff.c
+++ b/diff.c
@@ -23,6 +23,7 @@
#include "argv-array.h"
#include "graph.h"
#include "packfile.h"
+#include "parse-options.h"
#include "help.h"
#ifdef NO_FAST_WORKING_DIRECTORY
@@ -103,11 +104,6 @@ static const char *color_diff_slots[] = {
[DIFF_FILE_NEW_BOLD] = "newBold",
};
-static NORETURN void die_want_option(const char *option_name)
-{
- die(_("option '%s' requires a value"), option_name);
-}
-
define_list_config_array_extra(color_diff_slots, {"plain"});
static int parse_diff_color_slot(const char *var)
@@ -178,6 +174,10 @@ static int parse_submodule_params(struct diff_options *options, const char *valu
options->submodule_format = DIFF_SUBMODULE_SHORT;
else if (!strcmp(value, "diff"))
options->submodule_format = DIFF_SUBMODULE_INLINE_DIFF;
+ /*
+ * Please update $__git_diff_submodule_formats in
+ * git-completion.bash when you add new formats.
+ */
else
return -1;
return 0;
@@ -204,6 +204,10 @@ long parse_algorithm_value(const char *value)
return XDF_PATIENCE_DIFF;
else if (!strcasecmp(value, "histogram"))
return XDF_HISTOGRAM_DIFF;
+ /*
+ * Please update $__git_diff_algorithms in git-completion.bash
+ * when you add new algorithms.
+ */
return -1;
}
@@ -1613,8 +1617,7 @@ static int new_blank_line_at_eof(struct emit_callback *ecbdata, const char *line
return ws_blank_line(line, len, ecbdata->ws_rule);
}
-static void emit_add_line(const char *reset,
- struct emit_callback *ecbdata,
+static void emit_add_line(struct emit_callback *ecbdata,
const char *line, int len)
{
unsigned flags = WSEH_NEW | ecbdata->ws_rule;
@@ -1624,16 +1627,14 @@ static void emit_add_line(const char *reset,
emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_PLUS, line, len, flags);
}
-static void emit_del_line(const char *reset,
- struct emit_callback *ecbdata,
+static void emit_del_line(struct emit_callback *ecbdata,
const char *line, int len)
{
unsigned flags = WSEH_OLD | ecbdata->ws_rule;
emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_MINUS, line, len, flags);
}
-static void emit_context_line(const char *reset,
- struct emit_callback *ecbdata,
+static void emit_context_line(struct emit_callback *ecbdata,
const char *line, int len)
{
unsigned flags = WSEH_CONTEXT | ecbdata->ws_rule;
@@ -1742,7 +1743,6 @@ static void emit_rewrite_lines(struct emit_callback *ecb,
int prefix, const char *data, int size)
{
const char *endp = NULL;
- const char *reset = diff_get_color(ecb->color_diff, DIFF_RESET);
while (0 < size) {
int len;
@@ -1751,10 +1751,10 @@ static void emit_rewrite_lines(struct emit_callback *ecb,
len = endp ? (endp - data + 1) : size;
if (prefix != '+') {
ecb->lno_in_preimage++;
- emit_del_line(reset, ecb, data, len);
+ emit_del_line(ecb, data, len);
} else {
ecb->lno_in_postimage++;
- emit_add_line(reset, ecb, data, len);
+ emit_add_line(ecb, data, len);
}
size -= len;
data += len;
@@ -2291,7 +2291,7 @@ const char *diff_line_prefix(struct diff_options *opt)
return msgbuf->buf;
}
-static unsigned long sane_truncate_line(struct emit_callback *ecb, char *line, unsigned long len)
+static unsigned long sane_truncate_line(char *line, unsigned long len)
{
const char *cp;
unsigned long allot;
@@ -2325,7 +2325,6 @@ static void find_lno(const char *line, struct emit_callback *ecbdata)
static void fn_out_consume(void *priv, char *line, unsigned long len)
{
struct emit_callback *ecbdata = priv;
- const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
struct diff_options *o = ecbdata->opt;
o->found_changes = 1;
@@ -2356,7 +2355,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
if (line[0] == '@') {
if (ecbdata->diff_words)
diff_words_flush(ecbdata);
- len = sane_truncate_line(ecbdata, line, len);
+ len = sane_truncate_line(line, len);
find_lno(line, ecbdata);
emit_hunk_header(ecbdata, line, len);
return;
@@ -2392,16 +2391,16 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
switch (line[0]) {
case '+':
ecbdata->lno_in_postimage++;
- emit_add_line(reset, ecbdata, line + 1, len - 1);
+ emit_add_line(ecbdata, line + 1, len - 1);
break;
case '-':
ecbdata->lno_in_preimage++;
- emit_del_line(reset, ecbdata, line + 1, len - 1);
+ emit_del_line(ecbdata, line + 1, len - 1);
break;
case ' ':
ecbdata->lno_in_postimage++;
ecbdata->lno_in_preimage++;
- emit_context_line(reset, ecbdata, line + 1, len - 1);
+ emit_context_line(ecbdata, line + 1, len - 1);
break;
default:
/* incomplete line at the end */
@@ -4183,7 +4182,6 @@ static void run_external_diff(const char *pgm,
struct diff_filespec *one,
struct diff_filespec *two,
const char *xfrm_msg,
- int complete_rewrite,
struct diff_options *o)
{
struct argv_array argv = ARGV_ARRAY_INIT;
@@ -4341,8 +4339,7 @@ static void run_diff_cmd(const char *pgm,
}
if (pgm) {
- run_external_diff(pgm, name, other, one, two, xfrm_msg,
- complete_rewrite, o);
+ run_external_diff(pgm, name, other, one, two, xfrm_msg, o);
return;
}
if (one && two)
@@ -4491,6 +4488,8 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o)
builtin_checkdiff(name, other, attr_path, p->one, p->two, o);
}
+static void prep_parse_options(struct diff_options *options);
+
void repo_diff_setup(struct repository *r, struct diff_options *options)
{
memcpy(options, &default_diff_options, sizeof(*options));
@@ -4532,6 +4531,8 @@ void repo_diff_setup(struct repository *r, struct diff_options *options)
options->color_moved = diff_color_moved_default;
options->color_moved_ws_handling = diff_color_moved_ws_default;
+
+ prep_parse_options(options);
}
void diff_setup_done(struct diff_options *options)
@@ -4635,6 +4636,8 @@ void diff_setup_done(struct diff_options *options)
if (!options->use_color || external_diff())
options->color_moved = 0;
+
+ FREE_AND_NULL(options->parseopts);
}
static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *val)
@@ -4681,8 +4684,6 @@ static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *va
return 1;
}
-static int diff_scoreopt_parse(const char *opt);
-
static inline int short_opt(char opt, const char **argv,
const char **optarg)
{
@@ -4720,77 +4721,56 @@ int parse_long_opt(const char *opt, const char **argv,
return 2;
}
-static int stat_opt(struct diff_options *options, const char **av)
+static int diff_opt_stat(const struct option *opt, const char *value, int unset)
{
- const char *arg = av[0];
- char *end;
+ struct diff_options *options = opt->value;
int width = options->stat_width;
int name_width = options->stat_name_width;
int graph_width = options->stat_graph_width;
int count = options->stat_count;
- int argcount = 1;
+ char *end;
- if (!skip_prefix(arg, "--stat", &arg))
- BUG("stat option does not begin with --stat: %s", arg);
- end = (char *)arg;
+ BUG_ON_OPT_NEG(unset);
- switch (*arg) {
- case '-':
- if (skip_prefix(arg, "-width", &arg)) {
- if (*arg == '=')
- width = strtoul(arg + 1, &end, 10);
- else if (!*arg && !av[1])
- die_want_option("--stat-width");
- else if (!*arg) {
- width = strtoul(av[1], &end, 10);
- argcount = 2;
- }
- } else if (skip_prefix(arg, "-name-width", &arg)) {
- if (*arg == '=')
- name_width = strtoul(arg + 1, &end, 10);
- else if (!*arg && !av[1])
- die_want_option("--stat-name-width");
- else if (!*arg) {
- name_width = strtoul(av[1], &end, 10);
- argcount = 2;
- }
- } else if (skip_prefix(arg, "-graph-width", &arg)) {
- if (*arg == '=')
- graph_width = strtoul(arg + 1, &end, 10);
- else if (!*arg && !av[1])
- die_want_option("--stat-graph-width");
- else if (!*arg) {
- graph_width = strtoul(av[1], &end, 10);
- argcount = 2;
- }
- } else if (skip_prefix(arg, "-count", &arg)) {
- if (*arg == '=')
- count = strtoul(arg + 1, &end, 10);
- else if (!*arg && !av[1])
- die_want_option("--stat-count");
- else if (!*arg) {
- count = strtoul(av[1], &end, 10);
- argcount = 2;
- }
+ if (!strcmp(opt->long_name, "stat")) {
+ if (value) {
+ width = strtoul(value, &end, 10);
+ if (*end == ',')
+ name_width = strtoul(end+1, &end, 10);
+ if (*end == ',')
+ count = strtoul(end+1, &end, 10);
+ if (*end)
+ return error(_("invalid --stat value: %s"), value);
}
- break;
- case '=':
- width = strtoul(arg+1, &end, 10);
- if (*end == ',')
- name_width = strtoul(end+1, &end, 10);
- if (*end == ',')
- count = strtoul(end+1, &end, 10);
- }
+ } else if (!strcmp(opt->long_name, "stat-width")) {
+ width = strtoul(value, &end, 10);
+ if (*end)
+ return error(_("%s expects a numerical value"),
+ opt->long_name);
+ } else if (!strcmp(opt->long_name, "stat-name-width")) {
+ name_width = strtoul(value, &end, 10);
+ if (*end)
+ return error(_("%s expects a numerical value"),
+ opt->long_name);
+ } else if (!strcmp(opt->long_name, "stat-graph-width")) {
+ graph_width = strtoul(value, &end, 10);
+ if (*end)
+ return error(_("%s expects a numerical value"),
+ opt->long_name);
+ } else if (!strcmp(opt->long_name, "stat-count")) {
+ count = strtoul(value, &end, 10);
+ if (*end)
+ return error(_("%s expects a numerical value"),
+ opt->long_name);
+ } else
+ BUG("%s should not get here", opt->long_name);
- /* 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_graph_width = graph_width;
options->stat_width = width;
options->stat_count = count;
- return argcount;
+ return 0;
}
static int parse_dirstat_opt(struct diff_options *options, const char *params)
@@ -4926,6 +4906,308 @@ static int parse_objfind_opt(struct diff_options *opt, const char *arg)
return 1;
}
+static int diff_opt_break_rewrites(const struct option *opt,
+ const char *arg, int unset)
+{
+ int *break_opt = opt->value;
+ int opt1, opt2;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!arg)
+ arg = "";
+ opt1 = parse_rename_score(&arg);
+ if (*arg == 0)
+ opt2 = 0;
+ else if (*arg != '/')
+ return error(_("%s expects <n>/<m> form"), opt->long_name);
+ else {
+ arg++;
+ opt2 = parse_rename_score(&arg);
+ }
+ if (*arg != 0)
+ return error(_("%s expects <n>/<m> form"), opt->long_name);
+ *break_opt = opt1 | (opt2 << 16);
+ return 0;
+}
+
+static int diff_opt_char(const struct option *opt,
+ const char *arg, int unset)
+{
+ char *value = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (arg[1])
+ return error(_("%s expects a character, got '%s'"),
+ opt->long_name, arg);
+ *value = arg[0];
+ return 0;
+}
+
+static int diff_opt_compact_summary(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_ARG(arg);
+ if (unset) {
+ options->flags.stat_with_summary = 0;
+ } else {
+ options->flags.stat_with_summary = 1;
+ options->output_format |= DIFF_FORMAT_DIFFSTAT;
+ }
+ return 0;
+}
+
+static int diff_opt_dirstat(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!strcmp(opt->long_name, "cumulative")) {
+ if (arg)
+ BUG("how come --cumulative take a value?");
+ arg = "cumulative";
+ } else if (!strcmp(opt->long_name, "dirstat-by-file"))
+ parse_dirstat_opt(options, "files");
+ parse_dirstat_opt(options, arg ? arg : "");
+ return 0;
+}
+
+static int diff_opt_find_copies(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!arg)
+ arg = "";
+ options->rename_score = parse_rename_score(&arg);
+ if (*arg != 0)
+ return error(_("invalid argument to %s"), opt->long_name);
+
+ if (options->detect_rename == DIFF_DETECT_COPY)
+ options->flags.find_copies_harder = 1;
+ else
+ options->detect_rename = DIFF_DETECT_COPY;
+
+ return 0;
+}
+
+static int diff_opt_find_renames(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!arg)
+ arg = "";
+ options->rename_score = parse_rename_score(&arg);
+ if (*arg != 0)
+ return error(_("invalid argument to %s"), opt->long_name);
+
+ options->detect_rename = DIFF_DETECT_RENAME;
+ return 0;
+}
+
+static enum parse_opt_result diff_opt_output(struct parse_opt_ctx_t *ctx,
+ const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+ char *path;
+
+ BUG_ON_OPT_NEG(unset);
+ path = prefix_filename(ctx->prefix, arg);
+ options->file = xfopen(path, "w");
+ options->close_file = 1;
+ if (options->use_color != GIT_COLOR_ALWAYS)
+ options->use_color = GIT_COLOR_NEVER;
+ free(path);
+ return 0;
+}
+
+static int diff_opt_relative(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ options->flags.relative_name = 1;
+ if (arg)
+ options->prefix = arg;
+ return 0;
+}
+
+static int diff_opt_unified(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+ char *s;
+
+ BUG_ON_OPT_NEG(unset);
+
+ options->context = strtol(arg, &s, 10);
+ if (*s)
+ return error(_("%s expects a numerical value"), "--unified");
+ enable_patch_output(&options->output_format);
+
+ return 0;
+}
+
+static void prep_parse_options(struct diff_options *options)
+{
+ struct option parseopts[] = {
+ OPT_GROUP(N_("Diff output format options")),
+ OPT_BITOP('p', "patch", &options->output_format,
+ N_("generate patch"),
+ DIFF_FORMAT_PATCH, DIFF_FORMAT_NO_OUTPUT),
+ OPT_BIT_F('s', "no-patch", &options->output_format,
+ N_("suppress diff output"),
+ DIFF_FORMAT_NO_OUTPUT, PARSE_OPT_NONEG),
+ OPT_BITOP('u', NULL, &options->output_format,
+ N_("generate patch"),
+ DIFF_FORMAT_PATCH, DIFF_FORMAT_NO_OUTPUT),
+ OPT_CALLBACK_F('U', "unified", options, N_("<n>"),
+ N_("generate diffs with <n> lines context"),
+ PARSE_OPT_NONEG, diff_opt_unified),
+ OPT_BOOL('W', "function-context", &options->flags.funccontext,
+ N_("generate diffs with <n> lines context")),
+ OPT_BIT_F(0, "raw", &options->output_format,
+ N_("generate the diff in raw format"),
+ DIFF_FORMAT_RAW, PARSE_OPT_NONEG),
+ OPT_BITOP(0, "patch-with-raw", &options->output_format,
+ N_("synonym for '-p --raw'"),
+ DIFF_FORMAT_PATCH | DIFF_FORMAT_RAW,
+ DIFF_FORMAT_NO_OUTPUT),
+ OPT_BITOP(0, "patch-with-stat", &options->output_format,
+ N_("synonym for '-p --stat'"),
+ DIFF_FORMAT_PATCH | DIFF_FORMAT_DIFFSTAT,
+ DIFF_FORMAT_NO_OUTPUT),
+ OPT_BIT_F(0, "numstat", &options->output_format,
+ N_("machine friendly --stat"),
+ DIFF_FORMAT_NUMSTAT, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "shortstat", &options->output_format,
+ N_("output only the last line of --stat"),
+ DIFF_FORMAT_SHORTSTAT, PARSE_OPT_NONEG),
+ OPT_CALLBACK_F('X', "dirstat", options, N_("<param1,param2>..."),
+ N_("output the distribution of relative amount of changes for each sub-directory"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_dirstat),
+ OPT_CALLBACK_F(0, "cumulative", options, NULL,
+ N_("synonym for --dirstat=cumulative"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ diff_opt_dirstat),
+ OPT_CALLBACK_F(0, "dirstat-by-file", options, N_("<param1,param2>..."),
+ N_("synonym for --dirstat=files,param1,param2..."),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_dirstat),
+ OPT_BIT_F(0, "check", &options->output_format,
+ N_("warn if changes introduce conflict markers or whitespace errors"),
+ DIFF_FORMAT_CHECKDIFF, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "summary", &options->output_format,
+ N_("condensed summary such as creations, renames and mode changes"),
+ DIFF_FORMAT_SUMMARY, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "name-only", &options->output_format,
+ N_("show only names of changed files"),
+ DIFF_FORMAT_NAME, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "name-status", &options->output_format,
+ N_("show only names and status of changed files"),
+ DIFF_FORMAT_NAME_STATUS, PARSE_OPT_NONEG),
+ OPT_CALLBACK_F(0, "stat", options, N_("<width>[,<name-width>[,<count>]]"),
+ N_("generate diffstat"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "stat-width", options, N_("<width>"),
+ N_("generate diffstat with a given width"),
+ PARSE_OPT_NONEG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "stat-name-width", options, N_("<width>"),
+ N_("generate diffstat with a given name width"),
+ PARSE_OPT_NONEG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "stat-graph-width", options, N_("<width>"),
+ N_("generate diffstat with a given graph width"),
+ PARSE_OPT_NONEG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "stat-count", options, N_("<count>"),
+ N_("generate diffstat with limited lines"),
+ PARSE_OPT_NONEG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "compact-summary", options, NULL,
+ N_("generate compact summary in diffstat"),
+ PARSE_OPT_NOARG, diff_opt_compact_summary),
+ OPT_CALLBACK_F(0, "output-indicator-new",
+ &options->output_indicators[OUTPUT_INDICATOR_NEW],
+ N_("<char>"),
+ N_("specify the character to indicate a new line instead of '+'"),
+ PARSE_OPT_NONEG, diff_opt_char),
+ OPT_CALLBACK_F(0, "output-indicator-old",
+ &options->output_indicators[OUTPUT_INDICATOR_OLD],
+ N_("<char>"),
+ N_("specify the character to indicate an old line instead of '-'"),
+ PARSE_OPT_NONEG, diff_opt_char),
+ OPT_CALLBACK_F(0, "output-indicator-context",
+ &options->output_indicators[OUTPUT_INDICATOR_CONTEXT],
+ N_("<char>"),
+ N_("specify the character to indicate a context instead of ' '"),
+ PARSE_OPT_NONEG, diff_opt_char),
+
+ OPT_GROUP(N_("Diff rename options")),
+ OPT_CALLBACK_F('B', "break-rewrites", &options->break_opt, N_("<n>[/<m>]"),
+ N_("break complete rewrite changes into pairs of delete and create"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_break_rewrites),
+ OPT_CALLBACK_F('M', "find-renames", options, N_("<n>"),
+ N_("detect renames"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_find_renames),
+ OPT_SET_INT_F('D', "irreversible-delete", &options->irreversible_delete,
+ N_("omit the preimage for deletes"),
+ 1, PARSE_OPT_NONEG),
+ OPT_CALLBACK_F('C', "find-copies", options, N_("<n>"),
+ N_("detect copies"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_find_copies),
+ OPT_BOOL(0, "find-copies-harder", &options->flags.find_copies_harder,
+ N_("use unmodified files as source to find copies")),
+ OPT_SET_INT_F(0, "no-renames", &options->detect_rename,
+ N_("disable rename detection"),
+ 0, PARSE_OPT_NONEG),
+ OPT_BOOL(0, "rename-empty", &options->flags.rename_empty,
+ N_("use empty blobs as rename source")),
+
+ OPT_GROUP(N_("Diff algorithm options")),
+ OPT_BIT(0, "minimal", &options->xdl_opts,
+ N_("produce the smallest possible diff"),
+ XDF_NEED_MINIMAL),
+ OPT_BIT_F('w', "ignore-all-space", &options->xdl_opts,
+ N_("ignore whitespace when comparing lines"),
+ XDF_IGNORE_WHITESPACE, PARSE_OPT_NONEG),
+ OPT_BIT_F('b', "ignore-space-change", &options->xdl_opts,
+ N_("ignore changes in amount of whitespace"),
+ XDF_IGNORE_WHITESPACE_CHANGE, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "ignore-space-at-eol", &options->xdl_opts,
+ N_("ignore changes in whitespace at EOL"),
+ XDF_IGNORE_WHITESPACE_AT_EOL, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "ignore-cr-at-eol", &options->xdl_opts,
+ N_("ignore carrier-return at the end of line"),
+ XDF_IGNORE_CR_AT_EOL, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "ignore-blank-lines", &options->xdl_opts,
+ N_("ignore changes whose lines are all blank"),
+ XDF_IGNORE_BLANK_LINES, PARSE_OPT_NONEG),
+
+ OPT_GROUP(N_("Diff other options")),
+ OPT_CALLBACK_F(0, "relative", options, N_("<prefix>"),
+ N_("when run from subdir, exclude changes outside and show relative paths"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_relative),
+ { OPTION_CALLBACK, 0, "output", options, N_("<file>"),
+ N_("Output to a specific file"),
+ PARSE_OPT_NONEG, NULL, 0, diff_opt_output },
+
+ OPT_END()
+ };
+
+ ALLOC_ARRAY(options->parseopts, ARRAY_SIZE(parseopts));
+ memcpy(options->parseopts, parseopts, sizeof(parseopts));
+}
+
int diff_opt_parse(struct diff_options *options,
const char **av, int ac, const char *prefix)
{
@@ -4936,107 +5218,18 @@ int diff_opt_parse(struct diff_options *options,
if (!prefix)
prefix = "";
- /* Output format options */
- if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch")
- || opt_arg(arg, 'U', "unified", &options->context))
- enable_patch_output(&options->output_format);
- else if (!strcmp(arg, "--raw"))
- options->output_format |= DIFF_FORMAT_RAW;
- else if (!strcmp(arg, "--patch-with-raw")) {
- enable_patch_output(&options->output_format);
- options->output_format |= DIFF_FORMAT_RAW;
- } else if (!strcmp(arg, "--numstat"))
- options->output_format |= DIFF_FORMAT_NUMSTAT;
- else if (!strcmp(arg, "--shortstat"))
- options->output_format |= DIFF_FORMAT_SHORTSTAT;
- else if (skip_prefix(arg, "-X", &arg) ||
- skip_to_optional_arg(arg, "--dirstat", &arg))
- return parse_dirstat_opt(options, arg);
- else if (!strcmp(arg, "--cumulative"))
- return parse_dirstat_opt(options, "cumulative");
- else if (skip_to_optional_arg(arg, "--dirstat-by-file", &arg)) {
- parse_dirstat_opt(options, "files");
- return parse_dirstat_opt(options, arg);
- }
- else if (!strcmp(arg, "--check"))
- options->output_format |= DIFF_FORMAT_CHECKDIFF;
- else if (!strcmp(arg, "--summary"))
- options->output_format |= DIFF_FORMAT_SUMMARY;
- else if (!strcmp(arg, "--patch-with-stat")) {
- enable_patch_output(&options->output_format);
- options->output_format |= DIFF_FORMAT_DIFFSTAT;
- } else if (!strcmp(arg, "--name-only"))
- options->output_format |= DIFF_FORMAT_NAME;
- else if (!strcmp(arg, "--name-status"))
- options->output_format |= DIFF_FORMAT_NAME_STATUS;
- else if (!strcmp(arg, "-s") || !strcmp(arg, "--no-patch"))
- options->output_format |= DIFF_FORMAT_NO_OUTPUT;
- else if (starts_with(arg, "--stat"))
- /* --stat, --stat-width, --stat-name-width, or --stat-count */
- return stat_opt(options, av);
- else if (!strcmp(arg, "--compact-summary")) {
- options->flags.stat_with_summary = 1;
- options->output_format |= DIFF_FORMAT_DIFFSTAT;
- } else if (!strcmp(arg, "--no-compact-summary"))
- options->flags.stat_with_summary = 0;
- else if (skip_prefix(arg, "--output-indicator-new=", &arg))
- options->output_indicators[OUTPUT_INDICATOR_NEW] = arg[0];
- else if (skip_prefix(arg, "--output-indicator-old=", &arg))
- options->output_indicators[OUTPUT_INDICATOR_OLD] = arg[0];
- else if (skip_prefix(arg, "--output-indicator-context=", &arg))
- options->output_indicators[OUTPUT_INDICATOR_CONTEXT] = arg[0];
-
- /* renames options */
- else if (starts_with(arg, "-B") ||
- skip_to_optional_arg(arg, "--break-rewrites", NULL)) {
- if ((options->break_opt = diff_scoreopt_parse(arg)) == -1)
- return error("invalid argument to -B: %s", arg+2);
- }
- else if (starts_with(arg, "-M") ||
- skip_to_optional_arg(arg, "--find-renames", NULL)) {
- if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
- return error("invalid argument to -M: %s", arg+2);
- options->detect_rename = DIFF_DETECT_RENAME;
- }
- else if (!strcmp(arg, "-D") || !strcmp(arg, "--irreversible-delete")) {
- options->irreversible_delete = 1;
- }
- else if (starts_with(arg, "-C") ||
- skip_to_optional_arg(arg, "--find-copies", NULL)) {
- if (options->detect_rename == DIFF_DETECT_COPY)
- options->flags.find_copies_harder = 1;
- if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
- return error("invalid argument to -C: %s", arg+2);
- options->detect_rename = DIFF_DETECT_COPY;
- }
- else if (!strcmp(arg, "--no-renames"))
- options->detect_rename = 0;
- else if (!strcmp(arg, "--rename-empty"))
- options->flags.rename_empty = 1;
- else if (!strcmp(arg, "--no-rename-empty"))
- options->flags.rename_empty = 0;
- else if (skip_to_optional_arg_default(arg, "--relative", &arg, NULL)) {
- options->flags.relative_name = 1;
- if (arg)
- options->prefix = arg;
- }
+ ac = parse_options(ac, av, prefix, options->parseopts, NULL,
+ PARSE_OPT_KEEP_DASHDASH |
+ PARSE_OPT_KEEP_UNKNOWN |
+ PARSE_OPT_NO_INTERNAL_HELP |
+ PARSE_OPT_ONE_SHOT |
+ PARSE_OPT_STOP_AT_NON_OPTION);
+
+ if (ac)
+ return ac;
/* xdiff options */
- else if (!strcmp(arg, "--minimal"))
- DIFF_XDL_SET(options, NEED_MINIMAL);
- else if (!strcmp(arg, "--no-minimal"))
- DIFF_XDL_CLR(options, NEED_MINIMAL);
- else if (!strcmp(arg, "-w") || !strcmp(arg, "--ignore-all-space"))
- DIFF_XDL_SET(options, IGNORE_WHITESPACE);
- else if (!strcmp(arg, "-b") || !strcmp(arg, "--ignore-space-change"))
- DIFF_XDL_SET(options, IGNORE_WHITESPACE_CHANGE);
- else if (!strcmp(arg, "--ignore-space-at-eol"))
- DIFF_XDL_SET(options, IGNORE_WHITESPACE_AT_EOL);
- else if (!strcmp(arg, "--ignore-cr-at-eol"))
- DIFF_XDL_SET(options, IGNORE_CR_AT_EOL);
- else if (!strcmp(arg, "--ignore-blank-lines"))
- DIFF_XDL_SET(options, IGNORE_BLANK_LINES);
- else if (!strcmp(arg, "--indent-heuristic"))
+ if (!strcmp(arg, "--indent-heuristic"))
DIFF_XDL_SET(options, INDENT_HEURISTIC);
else if (!strcmp(arg, "--no-indent-heuristic"))
DIFF_XDL_CLR(options, INDENT_HEURISTIC);
@@ -5081,8 +5274,6 @@ int diff_opt_parse(struct diff_options *options,
options->flags.text = 1;
else if (!strcmp(arg, "-R"))
options->flags.reverse_diff = 1;
- else if (!strcmp(arg, "--find-copies-harder"))
- options->flags.find_copies_harder = 1;
else if (!strcmp(arg, "--follow"))
options->flags.follow_renames = 1;
else if (!strcmp(arg, "--no-follow")) {
@@ -5230,21 +5421,7 @@ int diff_opt_parse(struct diff_options *options,
else if (opt_arg(arg, '\0', "inter-hunk-context",
&options->interhunkcontext))
;
- else if (!strcmp(arg, "-W"))
- options->flags.funccontext = 1;
- else if (!strcmp(arg, "--function-context"))
- options->flags.funccontext = 1;
- else if (!strcmp(arg, "--no-function-context"))
- options->flags.funccontext = 0;
- else if ((argcount = parse_long_opt("output", av, &optarg))) {
- char *path = prefix_filename(prefix, optarg);
- options->file = xfopen(path, "w");
- options->close_file = 1;
- if (options->use_color != GIT_COLOR_ALWAYS)
- options->use_color = GIT_COLOR_NEVER;
- free(path);
- return argcount;
- } else
+ else
return 0;
return 1;
}
@@ -5285,47 +5462,6 @@ int parse_rename_score(const char **cp_p)
return (int)((num >= scale) ? MAX_SCORE : (MAX_SCORE * num / scale));
}
-static int diff_scoreopt_parse(const char *opt)
-{
- int opt1, opt2, cmd;
-
- if (*opt++ != '-')
- return -1;
- cmd = *opt++;
- if (cmd == '-') {
- /* convert the long-form arguments into short-form versions */
- if (skip_prefix(opt, "break-rewrites", &opt)) {
- if (*opt == 0 || *opt++ == '=')
- cmd = 'B';
- } else if (skip_prefix(opt, "find-copies", &opt)) {
- if (*opt == 0 || *opt++ == '=')
- cmd = 'C';
- } else if (skip_prefix(opt, "find-renames", &opt)) {
- if (*opt == 0 || *opt++ == '=')
- cmd = 'M';
- }
- }
- if (cmd != 'M' && cmd != 'C' && cmd != 'B')
- return -1; /* that is not a -M, -C, or -B option */
-
- opt1 = parse_rename_score(&opt);
- if (cmd != 'B')
- opt2 = 0;
- else {
- if (*opt == 0)
- opt2 = 0;
- else if (*opt != '/')
- return -1; /* we expect -B80/99 or -B80 */
- else {
- opt++;
- opt2 = parse_rename_score(&opt);
- }
- }
- if (*opt != 0)
- return -1;
- return opt1 | (opt2 << 16);
-}
-
struct diff_queue_struct diff_queued_diff;
void diff_q(struct diff_queue_struct *queue, struct diff_filepair *dp)
@@ -6224,7 +6360,7 @@ static int diffnamecmp(const void *a_, const void *b_)
return strcmp(name_a, name_b);
}
-void diffcore_fix_diff_index(struct diff_options *options)
+void diffcore_fix_diff_index(void)
{
struct diff_queue_struct *q = &diff_queued_diff;
QSORT(q->queue, q->nr, diffnamecmp);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 09:30:58 +0000