Пример #1
0
char *alias_lookup(const char *alias)
{
	struct config_alias_data data = { alias, NULL };

	read_early_config(config_alias_cb, &data);

	return data.v;
}
Пример #2
0
Файл: pager.c Проект: ovmine/git
/* returns 0 for "no pager", 1 for "use pager", and -1 for "not specified" */
int check_pager_config(const char *cmd)
{
	struct pager_command_config_data data;

	data.cmd = cmd;
	data.want = -1;
	data.value = NULL;

	read_early_config(pager_command_config, &data);

	if (data.value)
		pager_program = data.value;
	return data.want;
}
Пример #3
0
Файл: pager.c Проект: ovmine/git
const char *git_pager(int stdout_is_tty)
{
	const char *pager;

	if (!stdout_is_tty)
		return NULL;

	pager = getenv("GIT_PAGER");
	if (!pager) {
		if (!pager_program)
			read_early_config(core_pager_config, NULL);
		pager = pager_program;
	}
	if (!pager)
		pager = getenv("PAGER");
	if (!pager)
		pager = DEFAULT_PAGER;
	if (!*pager || !strcmp(pager, "cat"))
		pager = NULL;

	return pager;
}
Пример #4
0
const char *help_unknown_cmd(const char *cmd)
{
	int i, n, best_similarity = 0;
	struct cmdnames main_cmds, other_cmds;
	struct cmdname_help *common_cmds;

	memset(&main_cmds, 0, sizeof(main_cmds));
	memset(&other_cmds, 0, sizeof(other_cmds));
	memset(&aliases, 0, sizeof(aliases));

	read_early_config(git_unknown_cmd_config, NULL);

	load_command_list("git-", &main_cmds, &other_cmds);

	add_cmd_list(&main_cmds, &aliases);
	add_cmd_list(&main_cmds, &other_cmds);
	QSORT(main_cmds.names, main_cmds.cnt, cmdname_compare);
	uniq(&main_cmds);

	extract_cmds(&common_cmds, common_mask);

	/* This abuses cmdname->len for levenshtein distance */
	for (i = 0, n = 0; i < main_cmds.cnt; i++) {
		int cmp = 0; /* avoid compiler stupidity */
		const char *candidate = main_cmds.names[i]->name;

		/*
		 * An exact match means we have the command, but
		 * for some reason exec'ing it gave us ENOENT; probably
		 * it's a bad interpreter in the #! line.
		 */
		if (!strcmp(candidate, cmd))
			die(_(bad_interpreter_advice), cmd, cmd);

		/* Does the candidate appear in common_cmds list? */
		while (common_cmds[n].name &&
		       (cmp = strcmp(common_cmds[n].name, candidate)) < 0)
			n++;
		if (common_cmds[n].name && !cmp) {
			/* Yes, this is one of the common commands */
			n++; /* use the entry from common_cmds[] */
			if (starts_with(candidate, cmd)) {
				/* Give prefix match a very good score */
				main_cmds.names[i]->len = 0;
				continue;
			}
		}

		main_cmds.names[i]->len =
			levenshtein(cmd, candidate, 0, 2, 1, 3) + 1;
	}
	FREE_AND_NULL(common_cmds);

	QSORT(main_cmds.names, main_cmds.cnt, levenshtein_compare);

	if (!main_cmds.cnt)
		die(_("Uh oh. Your system reports no Git commands at all."));

	/* skip and count prefix matches */
	for (n = 0; n < main_cmds.cnt && !main_cmds.names[n]->len; n++)
		; /* still counting */

	if (main_cmds.cnt <= n) {
		/* prefix matches with everything? that is too ambiguous */
		best_similarity = SIMILARITY_FLOOR + 1;
	} else {
		/* count all the most similar ones */
		for (best_similarity = main_cmds.names[n++]->len;
		     (n < main_cmds.cnt &&
		      best_similarity == main_cmds.names[n]->len);
		     n++)
			; /* still counting */
	}
	if (autocorrect && n == 1 && SIMILAR_ENOUGH(best_similarity)) {
		const char *assumed = main_cmds.names[0]->name;
		main_cmds.names[0] = NULL;
		clean_cmdnames(&main_cmds);
		fprintf_ln(stderr,
			   _("WARNING: You called a Git command named '%s', "
			     "which does not exist."),
			   cmd);
		if (autocorrect < 0)
			fprintf_ln(stderr,
				   _("Continuing under the assumption that "
				     "you meant '%s'."),
				   assumed);
		else {
			fprintf_ln(stderr,
				   _("Continuing in %0.1f seconds, "
				     "assuming that you meant '%s'."),
				   (float)autocorrect/10.0, assumed);
			sleep_millisec(autocorrect * 100);
		}
		return assumed;
	}

	fprintf_ln(stderr, _("git: '%s' is not a git command. See 'git --help'."), cmd);

	if (SIMILAR_ENOUGH(best_similarity)) {
		fprintf_ln(stderr,
			   Q_("\nThe most similar command is",
			      "\nThe most similar commands are",
			   n));

		for (i = 0; i < n; i++)
			fprintf(stderr, "\t%s\n", main_cmds.names[i]->name);
	}

	exit(1);
}