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

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lisk77 2025-08-19 23:20:28 +02:00
parent c8b4d93c89
commit 8b862f8b87
1 changed files with 38 additions and 9 deletions
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47
src/main.c
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@ -1,15 +1,17 @@
#include "action_list.h"
#include "file.h"
#include "myers.h"
#include "utilities.h"
// main.c
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <errno.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) { 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); exit(exitcode);
} }
@ -20,19 +22,45 @@ int main(int argc, char **argv) {
const char* subcmd = argv[1]; 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); fprintf(stderr, "ERROR: Unknown subcommand: '%s'\n", subcmd);
usage(2); 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) { if (argc != 4) {
printf("ERROR: too many/too little arguments given!\n"); printf("ERROR: too many/too little arguments given!\n");
printf("Usage: merk diff <PATH> <PATH>"); printf("Usage: merk diff <PATH> <PATH>");
exit(1); exit(1);
} }
File* file1; File* file1;
switch (get_path_type(argv[2])) { switch (get_path_type(argv[2])) {
case PT_FILE: file1 = new_file(argv[2]); break; case PT_FILE: file1 = new_file(argv[2]); break;
case PT_DIR: file1 = NULL; printf("ERROR: first path is a directory and no file!"); break; case PT_DIR: file1 = NULL; printf("ERROR: first path is a directory and no file!"); break;
@ -40,6 +68,7 @@ int main(int argc, char **argv) {
default: file1 = NULL; printf("ERROR: unknown first path!"); default: file1 = NULL; printf("ERROR: unknown first path!");
} }
if (!file1) exit(1); if (!file1) exit(1);
File* file2; File* file2;
switch (get_path_type(argv[3])) { switch (get_path_type(argv[3])) {
case PT_FILE: file2 = new_file(argv[3]); break; case PT_FILE: file2 = new_file(argv[3]); break;