const git_oid *lookup_master_tree(git_repository *repo)
{
int ret;
git_reference *ref;
const git_oid *commit_oid;
const git_oid *tree_oid;
git_commit *commit;
ret = git_reference_lookup(&ref, repo, "refs/heads/master");
if (ret) {
printf("git_reference_lookup() error: %s\n", git_strerror(ret));
return NULL;
}
if (git_reference_type(ref) != GIT_REF_OID) {
perror("reference_type is not oid reference.");
return NULL;
}
commit_oid = git_reference_oid(ref);
ret = git_commit_lookup(&commit, repo, commit_oid);
tree_oid = git_commit_tree_oid(commit);
git_commit_free(commit);
return tree_oid;
}
int
read_repo(const char *repo_name)
{
int i;
int r;
int n;
git_repository *repo;
git_reference *head;
git_oid oid;
git_commit *commit;
git_tree *tree;
git_tree_entry *tree_entry;
char out[41];
out[40] = '\0';
// opening the repository
r = git_repository_open(&repo, repo_name);
if (r)
printf("error in opening the repository\n");
printf("Opened the repository successfully.\n");
// obtaining the head
r = git_repository_head(&head, repo);
if (r)
printf("error in obtaining the head\n");
r = git_reference_name_to_oid(&oid, repo, git_reference_name(head));
if (r)
printf("error in obtaining the ref id of head\n");
printf("Obtained the head id %s\n", git_oid_tostr(out, 41, &oid));
// obtaining the commit from commit id
r = git_commit_lookup(&commit, repo, &oid);
if (r)
printf("error in obtaining the commit from oid\n");
printf("Obtained the commit.\n");
// obtaining the tree id from the commit
oid = *git_commit_tree_oid(commit);
// get the tree
r = git_tree_lookup(&tree, repo, &oid);
if (r)
printf("error in looking up the tree for oid\n");
printf("Lookup for tree of oid successful.\n");
n = git_tree_entrycount(tree);
for (i=0; i<n; i++) {
tree_entry = git_tree_entry_byindex(tree, i);
printf("entry >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> %s %s\n", git_tree_entry_name(tree_entry), git_object_type2string(git_tree_entry_type(tree_entry)));
}
git_repository_free(repo);
return 0;
}
