examples/add.c

   1 #include <git2.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include <assert.h>
   5
   6 enum print_options {
   7         SKIP = 1,
   8         VERBOSE = 2,
   9         UPDATE = 4,
  10 };
  11
  12 struct print_payload {
  13         enum print_options options;
  14         git_repository *repo;
  15 };
  16
  17 void init_array(git_strarray *array, int argc, char **argv)
  18 {
  19         unsigned int i;
  20
  21         array->count = argc;
  22         array->strings = malloc(sizeof(char*) * array->count);
  23         assert(array->strings!=NULL);
  24
  25         for(i=0; i<array->count; i++) {
  26                 array->strings[i]=argv[i];
  27         }
  28
  29         return;
  30 }
  31
  32 int print_matched_cb(const char *path, const char *matched_pathspec, void *payload)
  33 {
  34         struct print_payload p = *(struct print_payload*)(payload);
  35         int ret;
  36         git_status_t status;
  37         (void)matched_pathspec;
  38
  39         if (git_status_file(&status, p.repo, path)) {
  40                 return -1; //abort
  41         }
  42
  43         if (status & GIT_STATUS_WT_MODIFIED ||
  44                  status & GIT_STATUS_WT_NEW) {
  45                 if (p.options & VERBOSE || p.options & SKIP) {
  46                         printf("add '%s'\n", path);
  47                 }
  48                 ret = 0;
  49         } else {
  50                 ret = 1;
  51         }
  52
  53         if(p.options & SKIP) {
  54                 ret = 1;
  55         }
  56
  57         return ret;
  58 }
  59
  60 void print_usage(void)
  61 {
  62         fprintf(stderr, "usage: add [options] [--] file-spec [file-spec] [...]\n\n");
  63         fprintf(stderr, "\t-n, --dry-run    dry run\n");
  64         fprintf(stderr, "\t-v, --verbose    be verbose\n");
  65         fprintf(stderr, "\t-u, --update     update tracked files\n");
  66 }
  67
  68
  69 int main (int argc, char** argv)
  70 {
  71         git_index_matched_path_cb matched_cb = NULL;
  72         git_repository *repo = NULL;
  73         git_index *index;
  74         git_strarray array = {0};
  75         int i, options = 0;
  76         struct print_payload payload = {0};
  77
  78         for (i = 1; i < argc; ++i) {
  79                 if (argv[i][0] != '-') {
  80                         break;
  81                 }
  82                 else if(!strcmp(argv[i], "--verbose") || !strcmp(argv[i], "-v")) {
  83                         options |= VERBOSE;
  84                 }
  85                 else if(!strcmp(argv[i], "--dry-run") || !strcmp(argv[i], "-n")) {
  86                         options |= SKIP;
  87                 }
  88                 else if(!strcmp(argv[i], "--update") || !strcmp(argv[i], "-u")) {
  89                         options |= UPDATE;
  90                 }
  91                 else if(!strcmp(argv[i], "-h")) {
  92                         print_usage();
  93                         break;
  94                 }
  95                 else if(!strcmp(argv[i], "--")) {
  96                         i++;
  97                         break;
  98                 }
  99                 else {
 100                         fprintf(stderr, "Unsupported option %s.\n", argv[i]);
 101                         print_usage();
 102                         return 1;
 103                 }
 104         }
 105
 106         if (argc<=i) {
 107                 print_usage();
 108                 return 1;
 109         }
 110
 111         init_array(&array, argc-i, argv+i);
 112
 113         if (git_repository_open(&repo, ".") < 0) {
 114                 fprintf(stderr, "No git repository\n");
 115                 return 1;
 116         }
 117
 118         if (git_repository_index(&index, repo) < 0) {
 119                 fprintf(stderr, "Could not open repository index\n");
 120                 return 1;
 121         }
 122
 123         matched_cb = &print_matched_cb;
 124
 125         payload.options = options;
 126         payload.repo = repo;
 127
 128         if (options&UPDATE) {
 129                 git_index_update_all(index, &array, matched_cb, &payload);
 130         } else {
 131                 git_index_add_all(index, &array, 0, matched_cb, &payload);
 132         }
 133
 134         git_index_write(index);
 135         git_index_free(index);
 136         git_repository_free(repo);
 137
 138         return 0;
 139 }