#include <stdio.h>
#include <string.h>
#include <unistd.h>

#define DEFAULT_BRANCH_NAME  "master"

static inline void init(int argc, char *argv[]);

struct command {
    char *name;
    void (*func)(int argc, char *argv[]);
};

struct command cmd[] = {
    {"init", init},
    {NULL, NULL}
};

int main(int argc, char *argv[])
{
	uint8_t i;

	if (argc < 2) {
		fprintf(stderr, "Usage: %s <command> [<args>]\n", argv[0]);
		return 1;
    }
	
	for (i = 0; cmd[i].name != NULL; i++) {
		if (strcmp(argv[1], cmd[i].name) == 0) {
			cmd[i].func(argc - 1, argv + 1);
			return 0;
		}
	}

	return 0;
}

void init(int argc, char *argv[])
{
	int opt;
	char *branch;

	optind = 1; 
	branch = DEFAULT_BRANCH_NAME;

	while ((opt = getopt(argc, argv, "b:")) != -1) {
		switch (opt) {
			case 'b': 
				branch = optarg;
				break;
			default: return;
        }
    }
	printf("Initialized repository, branch: %s\n", branch);
}