git: Add push().

src/git.cpp

@@ -191,4 +191,20 @@ void commit(const entry_type &entry)
     git_tree_free(tree);
 }
 
+void push()
+{
+    git_push_options options;
+    git_remote *remote{nullptr};
+    const string branch_name{"web-" + std::to_string(get_last_id() + 1)};
+    string refspec_str{("refs/heads/" + branch_name)};
+    char *refspec = &refspec_str[0];
+    const git_strarray refspecs = {&refspec, 1};
+
+    check(git_remote_lookup(&remote, _repo, "origin"));
+    check(git_push_options_init(&options, GIT_PUSH_OPTIONS_VERSION));
+    options.callbacks.credentials = cred_aquire;
+
+    check(git_remote_push(remote, &refspecs, &options));
+}
+
 } // namespace FediBlock::git

src/git.hpp

@@ -49,6 +49,9 @@ void create_branch();
 // Make a new commit.
 void commit(const entry_type &entry);
 
+// Push the new commit.
+void push();
+
 } // namespace FediBlock::git
 
 #endif // FEDIBLOCK_BACKEND_GIT_HPP

src/main.cpp

@@ -70,6 +70,7 @@ int main()
     cout << "Next branch ID: " << git::get_last_id() + 1 << "\r\n";
     git::create_branch();
     git::commit(entry);
+    git::push();
 
     try
     {