static bool
set_color(int *color, const char *name)
{
if (map_enum(color, color_map, name))
return TRUE;
/* Git expects a plain int w/o prefix, however, color<int> is
* the preferred Tig color notation. */
if (!prefixcmp(name, "color"))
name += 5;
return string_isnumber(name) &&
parse_int(color, name, 0, 255) == SUCCESS;
}
static enum request
parse_options(int argc, const char *argv[], bool pager_mode)
{
enum request request;
const char *subcommand;
bool seen_dashdash = false;
bool rev_parse = true;
const char **filter_argv = NULL;
int i;
request = pager_mode ? REQ_VIEW_PAGER : REQ_VIEW_MAIN;
if (argc <= 1)
return request;
subcommand = argv[1];
if (!strcmp(subcommand, "status")) {
request = REQ_VIEW_STATUS;
} else if (!strcmp(subcommand, "blame")) {
request = REQ_VIEW_BLAME;
} else if (!strcmp(subcommand, "grep")) {
request = REQ_VIEW_GREP;
rev_parse = false;
} else if (!strcmp(subcommand, "show")) {
request = REQ_VIEW_DIFF;
} else if (!strcmp(subcommand, "log")) {
request = REQ_VIEW_LOG;
} else if (!strcmp(subcommand, "stash")) {
request = REQ_VIEW_STASH;
} else if (!strcmp(subcommand, "refs")) {
request = REQ_VIEW_REFS;
} else {
subcommand = NULL;
}
for (i = 1 + !!subcommand; i < argc; i++) {
const char *opt = argv[i];
// stop parsing our options after -- and let rev-parse handle the rest
if (!seen_dashdash) {
if (!strcmp(opt, "--")) {
seen_dashdash = true;
continue;
} else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
printf("tig version %s\n", TIG_VERSION);
exit(EXIT_SUCCESS);
} else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
printf("%s\n", usage_string);
exit(EXIT_SUCCESS);
} else if (strlen(opt) >= 2 && *opt == '+' && string_isnumber(opt + 1)) {
int lineno = atoi(opt + 1);
argv_env.goto_lineno = lineno > 0 ? lineno - 1 : 0;
continue;
}
}
if (!argv_append(&filter_argv, opt))
die("command too long");
}
if (filter_argv)
filter_options(filter_argv, rev_parse);
return request;
}
static enum request
run_prompt_command(struct view *view, char *cmd)
{
enum request request;
if (cmd && string_isnumber(cmd)) {
int lineno = view->pos.lineno + 1;
if (parse_int(&lineno, cmd, 1, view->lines + 1) == SUCCESS) {
select_view_line(view, lineno - 1);
report_clear();
} else {
report("Unable to parse '%s' as a line number", cmd);
}
} else if (cmd && iscommit(cmd)) {
string_ncopy(view->env->search, cmd, strlen(cmd));
request = view_request(view, REQ_JUMP_COMMIT);
if (request == REQ_JUMP_COMMIT) {
report("Jumping to commits is not supported by the '%s' view", view->name);
}
} else if (cmd && strlen(cmd) == 1) {
struct key_input input = { { cmd[0] } };
return get_keybinding(&view->ops->keymap, &input);
} else if (cmd && cmd[0] == '!') {
struct view *next = VIEW(REQ_VIEW_PAGER);
const char *argv[SIZEOF_ARG];
int argc = 0;
cmd++;
/* When running random commands, initially show the
* command in the title. However, it maybe later be
* overwritten if a commit line is selected. */
string_ncopy(next->ref, cmd, strlen(cmd));
if (!argv_from_string(argv, &argc, cmd)) {
report("Too many arguments");
} else if (!argv_format(view->env, &next->argv, argv, FALSE, TRUE)) {
report("Argument formatting failed");
} else {
next->dir = NULL;
open_view(view, REQ_VIEW_PAGER, OPEN_PREPARED);
}
} else if (cmd) {
request = get_request(cmd);
if (request != REQ_UNKNOWN)
return request;
char *args = strchr(cmd, ' ');
if (args) {
*args++ = 0;
if (set_option(cmd, args) == SUCCESS) {
request = !view->unrefreshable ? REQ_REFRESH : REQ_SCREEN_REDRAW;
if (!strcmp(cmd, "color"))
init_colors();
}
}
return request;
}
return REQ_NONE;
}
enum request
run_prompt_command(struct view *view, const char *argv[])
{
enum request request;
const char *cmd = argv[0];
size_t cmdlen = cmd ? strlen(cmd) : 0;
if (!cmd)
return REQ_NONE;
if (string_isnumber(cmd)) {
int lineno = view->pos.lineno + 1;
if (parse_int(&lineno, cmd, 0, view->lines + 1) == SUCCESS) {
if (!lineno)
lineno = 1;
select_view_line(view, lineno - 1);
report_clear();
} else {
report("Unable to parse '%s' as a line number", cmd);
}
} else if (iscommit(cmd)) {
int lineno;
if (!(view->ops->column_bits & view_column_bit(ID))) {
report("Jumping to commits is not supported by the %s view", view->name);
return REQ_NONE;
}
for (lineno = 0; lineno < view->lines; lineno++) {
struct view_column_data column_data = {};
struct line *line = &view->line[lineno];
if (view->ops->get_column_data(view, line, &column_data) &&
column_data.id &&
!strncasecmp(column_data.id, cmd, cmdlen)) {
string_ncopy(view->env->search, cmd, cmdlen);
select_view_line(view, lineno);
report_clear();
return REQ_NONE;
}
}
report("Unable to find commit '%s'", view->env->search);
return REQ_NONE;
} else if (cmdlen > 1 && (cmd[0] == '/' || cmd[0] == '?')) {
char search[SIZEOF_STR];
if (!argv_to_string(argv, search, sizeof(search), " ")) {
report("Failed to copy search string");
return REQ_NONE;
}
if (!strcmp(search + 1, view->env->search))
return cmd[0] == '/' ? REQ_FIND_NEXT : REQ_FIND_PREV;
string_ncopy(view->env->search, search + 1, strlen(search + 1));
return cmd[0] == '/' ? REQ_SEARCH : REQ_SEARCH_BACK;
} else if (cmdlen > 1 && cmd[0] == '!') {
struct view *next = &pager_view;
bool copied;
/* Trim the leading '!'. */
argv[0] = cmd + 1;
copied = argv_format(view->env, &next->argv, argv, FALSE, TRUE);
argv[0] = cmd;
if (!copied) {
report("Argument formatting failed");
} else {
/* When running random commands, initially show the
* command in the title. However, it maybe later be
* overwritten if a commit line is selected. */
argv_to_string(next->argv, next->ref, sizeof(next->ref), " ");
next->dir = NULL;
open_pager_view(view, OPEN_PREPARED | OPEN_WITH_STDERR);
}
} else if (!strcmp(cmd, "save-display")) {
const char *path = argv[1] ? argv[1] : "tig-display.txt";
if (!save_display(path))
report("Failed to save screen to %s", path);
else
report("Saved screen to %s", path);
} else if (!strcmp(cmd, "exec")) {
struct run_request req = { view->keymap, {}, argv + 1 };
enum status_code code = parse_run_request_flags(&req.flags, argv + 1);
if (code != SUCCESS) {
report("Failed to execute command: %s", get_status_message(code));
} else {
return exec_run_request(view, &req);
}
} else if (!strcmp(cmd, "toggle")) {
enum view_flag flags = VIEW_NO_FLAGS;
enum status_code code = prompt_toggle(view, argv, &flags);
const char *action = get_status_message(code);
if (code != SUCCESS) {
report("%s", action);
return REQ_NONE;
}
prompt_update_display(flags);
if (*action)
report("%s", action);
} else if (!strcmp(cmd, "script")) {
if (is_script_executing()) {
report("Scripts cannot be run from scripts");
} else if (!open_script(argv[1])) {
report("Failed to open %s", argv[1]);
}
} else {
struct key key = {};
enum status_code code;
enum view_flag flags = VIEW_NO_FLAGS;
/* Try :<key> */
key.modifiers.multibytes = 1;
string_ncopy(key.data.bytes, cmd, cmdlen);
request = get_keybinding(view->keymap, &key, 1);
if (request != REQ_NONE)
return request;
/* Try :<command> */
request = get_request(cmd);
if (request != REQ_UNKNOWN)
return request;
code = set_option(argv[0], argv_size(argv + 1), &argv[1]);
if (code != SUCCESS) {
report("%s", get_status_message(code));
return REQ_NONE;
}
if (!strcmp(cmd, "set")) {
struct prompt_toggle *toggle;
toggle = find_prompt_toggle(option_toggles, ARRAY_SIZE(option_toggles),
"", argv[1], strlen(argv[1]));
if (toggle)
flags = toggle->flags;
}
if (flags) {
prompt_update_display(flags);
} else {
request = view_can_refresh(view) ? REQ_REFRESH : REQ_SCREEN_REDRAW;
if (!strcmp(cmd, "color"))
init_colors();
resize_display();
redraw_display(TRUE);
}
}
return REQ_NONE;
}
static enum request
parse_options(int argc, const char *argv[], bool pager_mode)
{
enum request request;
const char *subcommand;
bool seen_dashdash = false;
bool rev_parse = true;
const char **filter_argv = NULL;
int i;
request = pager_mode ? REQ_VIEW_PAGER : REQ_VIEW_MAIN;
/* Options that must come before any subcommand. */
for (i = 1; i < argc; i++) {
const char *opt = argv[i];
if (!strncmp(opt, "-C", 2)) {
if (chdir(opt + 2))
die("Failed to change directory to %s", opt + 2);
continue;
} else {
break;
}
}
if (i >= argc)
return request;
subcommand = argv[i++];
if (!strcmp(subcommand, "status")) {
request = REQ_VIEW_STATUS;
} else if (!strcmp(subcommand, "blame")) {
request = REQ_VIEW_BLAME;
} else if (!strcmp(subcommand, "grep")) {
request = REQ_VIEW_GREP;
rev_parse = false;
} else if (!strcmp(subcommand, "show")) {
request = REQ_VIEW_DIFF;
} else if (!strcmp(subcommand, "log")) {
request = REQ_VIEW_LOG;
} else if (!strcmp(subcommand, "stash")) {
request = REQ_VIEW_STASH;
} else if (!strcmp(subcommand, "refs")) {
request = REQ_VIEW_REFS;
} else {
subcommand = NULL;
i--; /* revisit option in loop below */
}
for (; i < argc; i++) {
const char *opt = argv[i];
// stop parsing our options after -- and let rev-parse handle the rest
if (!seen_dashdash) {
if (!strcmp(opt, "--")) {
seen_dashdash = true;
} else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
printf("tig version %s\n", TIG_VERSION);
#ifdef NCURSES_VERSION
printf("%s version %s.%d\n",
#ifdef NCURSES_WIDECHAR
"ncursesw",
#else
"ncurses",
#endif
NCURSES_VERSION, NCURSES_VERSION_PATCH);
#endif
#ifdef HAVE_READLINE
printf("readline version %s\n", rl_library_version);
#endif
exit(EXIT_SUCCESS);
} else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
printf("%s\n", usage_string);
exit(EXIT_SUCCESS);
} else if (strlen(opt) >= 2 && *opt == '+' && string_isnumber(opt + 1)) {
int lineno = atoi(opt + 1);
argv_env.goto_lineno = lineno > 0 ? lineno - 1 : 0;
continue;
}
}
if (!argv_append(&filter_argv, opt))
die("command too long");
}
if (filter_argv)
filter_options(filter_argv, rev_parse);
return request;
}
enum request
run_prompt_command(struct view *view, const char *argv[])
{
enum request request;
const char *cmd = argv[0];
size_t cmdlen = cmd ? strlen(cmd) : 0;
if (!cmd)
return REQ_NONE;
if (string_isnumber(cmd)) {
int lineno = view->pos.lineno + 1;
if (parse_int(&lineno, cmd, 1, view->lines + 1) == SUCCESS) {
select_view_line(view, lineno - 1);
report_clear();
} else {
report("Unable to parse '%s' as a line number", cmd);
}
} else if (iscommit(cmd)) {
string_ncopy(view->env->search, cmd, cmdlen);
return REQ_JUMP_COMMIT;
} else if (cmdlen > 1 && (cmd[0] == '/' || cmd[0] == '?')) {
char search[SIZEOF_STR];
if (!argv_to_string(argv, search, sizeof(search), " ")) {
report("Failed to copy search string");
return REQ_NONE;
}
if (!strcmp(search + 1, view->env->search))
return cmd[0] == '/' ? REQ_FIND_NEXT : REQ_FIND_PREV;
string_ncopy(view->env->search, search + 1, strlen(search + 1));
return cmd[0] == '/' ? REQ_SEARCH : REQ_SEARCH_BACK;
} else if (cmdlen > 1 && cmd[0] == '!') {
struct view *next = &pager_view;
bool copied;
/* Trim the leading '!'. */
argv[0] = cmd + 1;
copied = argv_format(view->env, &next->argv, argv, FALSE, TRUE);
argv[0] = cmd;
if (!copied) {
report("Argument formatting failed");
} else {
/* When running random commands, initially show the
* command in the title. However, it maybe later be
* overwritten if a commit line is selected. */
argv_to_string(next->argv, next->ref, sizeof(next->ref), " ");
next->dir = NULL;
open_pager_view(view, OPEN_PREPARED | OPEN_WITH_STDERR);
}
} else if (!strcmp(cmd, "toggle")) {
char action[SIZEOF_STR] = "";
enum view_flag flags = prompt_toggle(view, argv, action);
int i;
if (flags & VIEW_RESET_DISPLAY) {
resize_display();
redraw_display(TRUE);
}
foreach_displayed_view(view, i) {
if (view_has_flags(view, flags) && !view->unrefreshable)
reload_view(view);
else
redraw_view(view);
}
if (*action)
report("%s", action);
} else {
