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#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#define REPO ".cvn"
#define INDEX "index"
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;
}
static inline void init(int argc, char *argv[])
{
char *branch;
int opt, repo_fd, idx_fd;
optind = 1;
branch = "master";
while ((opt = getopt(argc, argv, "b:")) != -1) {
switch (opt) {
case 'b':
branch = optarg;
break;
default:
break;
}
}
if (mkdir(REPO, 0755) == -1) {
if (errno != EEXIST) {
perror("Failed to create repository");
return;
}
}
if ((repo_fd = open(REPO, O_RDONLY | O_DIRECTORY)) == -1) {
perror("Failed to open repository");
return;
}
if ((idx_fd = openat(repo_fd, INDEX, O_WRONLY | O_CREAT | O_EXCL, 0644)) == -1) {
if (errno != EEXIST) {
close(repo_fd);
perror("Failed to create index");
return;
}
}
close(idx_fd);
close(repo_fd);
printf("Initialized repository in %s\n", REPO);
}
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