public ExecResult run()

in git-common/src/main/java/jetbrains/buildServer/buildTriggers/vcs/git/command/GitCommandLine.java [65:144]
54 lines of code
14 McCabe index (conditional complexity)

  public ExecResult run(@NotNull GitCommandSettings settings) throws VcsException {
    if (myCtx.isProvideCredHelper() && !getParametersList().getParametersString().contains("credential.helper")) {
      //Disable credential helper if it wasn't specified by us, as default
      //helper can require a user input. Do that even if our repository doesn't
      //require any auth, auth can be required by submodules or git lfs.
      //
      //It would be cleaner to add the following
      //
      //[credential]
      //  helper =
      //
      //to the local repository config and not disable helpers in every command.
      //But some commands ignore this setting, e.g. 'git submodules update':
      //https://public-inbox.org/git/CAC+L6n0YeX_n_AysCLtBWkA+jPHwg7HmOWq2PLj75byxOZE=qQ@mail.gmail.com/

      //if credential.helper is configured to the empty string, this resets the helper list to empty
      getParametersList().addAt(0, "-c");
      getParametersList().addAt(1, "credential.helper=");

      String credHelperPath = CredentialsHelperConfig.configureCredentialHelperScript(myScriptGen);
      if (!StringUtil.isEmptyOrSpaces(credHelperPath)) {
        getParametersList().addAt(2, "-c");
        getParametersList().addAt(3, "credential.helper=" + credHelperPath);


        if (myCtx.isCleanCredHelperScript()) {
          addPostAction(new Runnable() {
            @Override
            public void run() {
              FileUtil.delete(new File(credHelperPath));
            }
          });
        }
      }
    }

    settings.getTraceEnv().entrySet().forEach(e -> addEnvParam(e.getKey(), e.getValue()));

    setProxySettings();

    final AuthSettings authSettings = settings.getAuthSettings();
    if (authSettings == null) {
      return doRunCommand(settings);
    }
    if (authSettings.getAuthMethod().isPasswordBased()) {
      withAskPassScript(authSettings.getPassword(), askPassPath -> {
        getParametersList().addAt(0, "-c");
        getParametersList().addAt(1, "core.askpass=" + askPassPath);

        addEnvParam("GIT_ASKPASS", askPassPath);
        if (myCtx.isUseSshAskPass()) {
          addEnvParam("SSH_ASKPASS", askPassPath);
          addEnvParam("DISPLAY", ":0.0");
        }
      });
    }
    if (settings.isUseNativeSsh() && myCtx.isUseGitSshCommand()) {
      configureGitSshCommand(settings);
    }

    GitCommandCredentials extraCredentials = authSettings.getExtraHTTPCredentials();
    CredentialsHelperConfig config = new CredentialsHelperConfig();
    for (ExtraHTTPCredentials creds : extraCredentials.getCredentials()) {
      config.addCredentials(creds);
    }

    if (extraCredentials.isStoresOnlyDefaultCredential()) {
      config.setMatchAllUrls(true);
    } else if (extraCredentials.getCredentials().size() > 1){
      getParametersList().addAt(0, "-c");
      getParametersList().addAt(1, "credential.useHttpPath=true");
    }


    for (Map.Entry<String, String> e : config.getEnv().entrySet()) {
      addEnvParam(e.getKey(), e.getValue());
    }

    return doRunCommand(settings);
  }