lisk77/merk
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat(cli): added init command to create a merk repository in the local directory

Browse source
This commit is contained in:
lisk77 2025-08-19 23:20:28 +02:00
parent c8b4d93c89
commit 8b862f8b87
1 changed files with 38 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

45
src/main.c
View file

@ -1,15 +1,17 @@
#include "action_list.h"
#include "file.h"
#include "myers.h"
#include "utilities.h"
// main.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <unistd.h>
#include "action_list.h"
#include "file.h"
#include "myers.h"
#include "utilities.h"
static void usage(int exitcode) {
printf("usage: merk <command> [<args>]\n\n diff Displays the difference between the given two files\n");
printf("usage: merk <command> [<args>]\n\n init Initializes a repository in the current directory\n diff Displays the difference between the given two files\n");
exit(exitcode);
}
@ -20,12 +22,38 @@ int main(int argc, char **argv) {
const char* subcmd = argv[1];
if (strcmp(subcmd, "diff") != 0) {
if (strcmp(subcmd, "diff") != 0 && strcmp(subcmd, "init") != 0) {
fprintf(stderr, "ERROR: Unknown subcommand: '%s'\n", subcmd);
usage(2);
}
if (strcmp(subcmd, "diff") == 0) {
// Initializes a merk repository in the current directory
if (strcmp(subcmd, "init") == 0) {
if (argc != 2) {
printf("ERROR: too many agruments given!\n");
printf("Usage: merk init");
exit(1);
}
if (mkdir(".merk", 0700) == 0) {
printf("Initialized merk repository\n");
}
if (errno == EEXIST) {
struct stat st;
if (stat(".merk", &st) == 0 && S_ISDIR(st.st_mode)) {
printf("This directory is already a merk repository\n");
return 0;
}
}
mkdir(".merk/files", 0700);
mkdir(".merk/trees", 0700);
mkdir(".merk/branches", 0700);
}
// Prints out a visual representation of the diff of the files provided
else if (strcmp(subcmd, "diff") == 0) {
if (argc != 4) {
printf("ERROR: too many/too little arguments given!\n");
printf("Usage: merk diff <PATH> <PATH>");
@ -40,6 +68,7 @@ int main(int argc, char **argv) {
default: file1 = NULL; printf("ERROR: unknown first path!");
}
if (!file1) exit(1);
File* file2;
switch (get_path_type(argv[3])) {
case PT_FILE: file2 = new_file(argv[3]); break;