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#include "../include/GitRepository.hpp"
#include "../include/Dependency.hpp"
#include <git2.h>
#include <string>
#include <cassert>
using namespace std;
static bool libgitInitialized = false;
namespace sibs
{
void gitInit()
{
if(!libgitInitialized)
{
libgitInitialized = true;
// TODO: Call git_libgit2_shutdown in destructor? dont really need to do that though
git_libgit2_init();
}
}
Result<bool> buildGitError(int error, const string &errorPrefix)
{
const git_error *e = giterr_last();
string errMsg = errorPrefix;
errMsg += ": ";
errMsg += to_string(error);
errMsg += "/";
errMsg += to_string(e->klass);
errMsg += ": ";
errMsg += e->message;
return Result<bool>::Err(errMsg, error);
}
Result<bool> GitRepository::clone(GitDependency *gitDependency, const FileString &repoDirPath)
{
// TODO: Use git dependency revision when cloning
gitInit();
git_repository *repo;
git_clone_options options = GIT_CLONE_OPTIONS_INIT;
options.checkout_branch = gitDependency->branch.c_str();
int error = git_clone(&repo, gitDependency->url.c_str(), toUtf8(repoDirPath).c_str(), &options);
if(error != 0)
return buildGitError(error, "Failed to clone git repository");
git_repository_free(repo);
return Result<bool>::Ok(true);
}
Result<bool> GitRepository::pull(GitDependency *gitDependency, const FileString &repoDirPath)
{
gitInit();
int error;
git_repository *repo;
error = git_repository_open(&repo, toUtf8(repoDirPath).c_str());
if(error != 0)
return buildGitError(error, "Failed to open git repository");
git_remote *remote;
error = git_remote_lookup(&remote, repo, "origin");
if(error != 0)
return buildGitError(error, "Failed to do remote lookup for git repository");
// TODO: Setup option to be able to use callback for progress (for output in console) and handling credentials
error = git_remote_fetch(remote, NULL, NULL, "pull");
if(error != 0)
{
Result<bool> err = buildGitError(error, "Failed to do remote fetch for git repository");
git_remote_free(remote);
git_repository_free(repo);
return err;
}
git_reference *ref;
error = git_reference_dwim(&ref, repo, gitDependency->branch.c_str());
if(error != 0)
{
Result<bool> err = buildGitError(error, "Failed to do reference lookup for git repository");
git_remote_free(remote);
git_repository_free(repo);
return err;
}
git_annotated_commit *annotatedCommit;
error = git_annotated_commit_from_ref(&annotatedCommit, repo, ref);
if(error != 0)
{
Result<bool> err = buildGitError(error, "Failed to get commit from ref");
git_annotated_commit_free(annotatedCommit);
git_remote_free(remote);
git_repository_free(repo);
return err;
}
assert(false);
git_annotated_commit_free(annotatedCommit);
git_remote_free(remote);
git_repository_free(repo);
return Result<bool>::Ok(true);
}
}
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