examples/show-index.c

   1 /*
   2  * libgit2 "showindex" example - shows how to extract data from the index
   3  *
   4  * Written by the libgit2 contributors
   5  *
   6  * To the extent possible under law, the author(s) have dedicated all copyright
   7  * and related and neighboring rights to this software to the public domain
   8  * worldwide. This software is distributed without any warranty.
   9  *
  10  * You should have received a copy of the CC0 Public Domain Dedication along
  11  * with this software. If not, see
  12  * <http://creativecommons.org/publicdomain/zero/1.0/>.
  13  */
  14
  15 #include "common.h"
  16
  17 int lg2_show_index(git_repository *repo, int argc, char **argv)
  18 {
  19         git_index *index;
  20         size_t i, ecount;
  21         char *dir = ".";
  22         size_t dirlen;
  23         char out[GIT_OID_HEXSZ+1];
  24         out[GIT_OID_HEXSZ] = '\0';
  25
  26         if (argc > 2)
  27                 fatal("usage: showindex [<repo-dir>]", NULL);
  28         if (argc > 1)
  29                 dir = argv[1];
  30
  31         dirlen = strlen(dir);
  32         if (dirlen > 5 && strcmp(dir + dirlen - 5, "index") == 0) {
  33                 check_lg2(git_index_open(&index, dir), "could not open index", dir);
  34         } else {
  35                 check_lg2(git_repository_open_ext(&repo, dir, 0, NULL), "could not open repository", dir);
  36                 check_lg2(git_repository_index(&index, repo), "could not open repository index", NULL);
  37                 git_repository_free(repo);
  38         }
  39
  40         git_index_read(index, 0);
  41
  42         ecount = git_index_entrycount(index);
  43         if (!ecount)
  44                 printf("Empty index\n");
  45
  46         for (i = 0; i < ecount; ++i) {
  47                 const git_index_entry *e = git_index_get_byindex(index, i);
  48
  49                 git_oid_fmt(out, &e->id);
  50
  51                 printf("File Path: %s\n", e->path);
  52                 printf("    Stage: %d\n", git_index_entry_stage(e));
  53                 printf(" Blob SHA: %s\n", out);
  54                 printf("File Mode: %07o\n", e->mode);
  55                 printf("File Size: %d bytes\n", (int)e->file_size);
  56                 printf("Dev/Inode: %d/%d\n", (int)e->dev, (int)e->ino);
  57                 printf("  UID/GID: %d/%d\n", (int)e->uid, (int)e->gid);
  58                 printf("    ctime: %d\n", (int)e->ctime.seconds);
  59                 printf("    mtime: %d\n", (int)e->mtime.seconds);
  60                 printf("\n");
  61         }
  62
  63         git_index_free(index);
  64
  65         return 0;
  66 }