[ci skip] Merge branch 'master' into fl-vue-mr-widget

* master: (21 commits)
  normalize headers correctly i18n flash message
  fixed dashboard projects not being filterable
  Converted filterable_list to axios
  Converted due_date_select to axios
  Converted dropzone_input to axios
  Converted create_merge_request_dropdown to axios
  converted compare_autocomplete to axios
  Convered compare.js to axios
  Set alternate object directories in run_git
  Digital Ocean Spaces now supports AWS v4 streaming API
  Fix spec failures in issues_spec.rb
  Fix #42486.
  Generalize toggle_buttons.js
  update code based on feedback
  add changelog
  fix spec
  add spec
  disable retry attempts for Import/Export until that is fixed
  add an extra spec
  fix validation error on services
  ...

39 files changed, 500 insertions, 395 deletions

diff --git a/app/assets/javascripts/clusters/clusters_bundle.js b/app/assets/javascripts/clusters/clusters_bundle.js
index 637d0dbde23..4dddb6eb0d6 100644
--- a/app/assets/javascripts/clusters/clusters_bundle.js
+++ b/app/assets/javascripts/clusters/clusters_bundle.js
@@ -14,6 +14,7 @@ import {
 import ClustersService from './services/clusters_service';
 import ClustersStore from './stores/clusters_store';
 import applications from './components/applications.vue';
+import setupToggleButtons from '../toggle_buttons';
 
 /**
  * Cluster page has 2 separate parts:
@@ -48,12 +49,9 @@ export default class Clusters {
       installPrometheusEndpoint: installPrometheusPath,
     });
 
-    this.toggle = this.toggle.bind(this);
     this.installApplication = this.installApplication.bind(this);
     this.showToken = this.showToken.bind(this);
 
-    this.toggleButton = document.querySelector('.js-toggle-cluster');
-    this.toggleInput = document.querySelector('.js-toggle-input');
     this.errorContainer = document.querySelector('.js-cluster-error');
     this.successContainer = document.querySelector('.js-cluster-success');
     this.creatingContainer = document.querySelector('.js-cluster-creating');
@@ -63,6 +61,7 @@ export default class Clusters {
     this.tokenField = document.querySelector('.js-cluster-token');
 
     initSettingsPanels();
+    setupToggleButtons(document.querySelector('.js-cluster-enable-toggle-area'));
     this.initApplications();
 
     if (this.store.state.status !== 'created') {
@@ -101,13 +100,11 @@ export default class Clusters {
   }
 
   addListeners() {
-    this.toggleButton.addEventListener('click', this.toggle);
     if (this.showTokenButton) this.showTokenButton.addEventListener('click', this.showToken);
     eventHub.$on('installApplication', this.installApplication);
   }
 
   removeListeners() {
-    this.toggleButton.removeEventListener('click', this.toggle);
     if (this.showTokenButton) this.showTokenButton.removeEventListener('click', this.showToken);
     eventHub.$off('installApplication', this.installApplication);
   }
@@ -151,11 +148,6 @@ export default class Clusters {
     this.updateContainer(prevStatus, this.store.state.status, this.store.state.statusReason);
   }
 
-  toggle() {
-    this.toggleButton.classList.toggle('is-checked');
-    this.toggleInput.setAttribute('value', this.toggleButton.classList.contains('is-checked').toString());
-  }
-
   showToken() {
     const type = this.tokenField.getAttribute('type');
 
diff --git a/app/assets/javascripts/clusters/clusters_index.js b/app/assets/javascripts/clusters/clusters_index.js
index 6844d1dbd83..2e3ad244375 100644
--- a/app/assets/javascripts/clusters/clusters_index.js
+++ b/app/assets/javascripts/clusters/clusters_index.js
@@ -1,58 +1,20 @@
 import Flash from '../flash';
 import { s__ } from '../locale';
+import setupToggleButtons from '../toggle_buttons';
 import ClustersService from './services/clusters_service';
-/**
- * Toggles loading and disabled classes.
- * @param {HTMLElement} button
- */
-const toggleLoadingButton = (button) => {
-  if (button.getAttribute('disabled')) {
-    button.removeAttribute('disabled');
-  } else {
-    button.setAttribute('disabled', true);
-  }
-
-  button.classList.toggle('is-loading');
-};
 
-/**
- * Toggles checked class for the given button
- * @param {HTMLElement} button
- */
-const toggleValue = (button) => {
-  button.classList.toggle('is-checked');
+export default () => {
+  const clusterList = document.querySelector('.js-clusters-list');
+  // The empty state won't have a clusterList
+  if (clusterList) {
+    setupToggleButtons(
+      document.querySelector('.js-clusters-list'),
+      (value, toggle) =>
+        ClustersService.updateCluster(toggle.dataset.endpoint, { cluster: { enabled: value } })
+          .catch((err) => {
+            Flash(s__('ClusterIntegration|Something went wrong on our end.'));
+            throw err;
+          }),
+    );
+  }
 };
-
-/**
- * Handles toggle buttons in the cluster's table.
- *
- * When the user clicks the toggle button for each cluster, it:
- * - toggles the button
- * - shows a loading and disables button
- * - Makes a put request to the given endpoint
- * Once we receive the response, either:
- * 1) Show updated status in case of successfull response
- * 2) Show initial status in case of failed response
- */
-export default function setClusterTableToggles() {
-  document.querySelectorAll('.js-toggle-cluster-list')
-    .forEach(button => button.addEventListener('click', (e) => {
-      const toggleButton = e.currentTarget;
-      const endpoint = toggleButton.getAttribute('data-endpoint');
-
-      toggleValue(toggleButton);
-      toggleLoadingButton(toggleButton);
-
-      const value = toggleButton.classList.contains('is-checked');
-
-      ClustersService.updateCluster(endpoint, { cluster: { enabled: value } })
-        .then(() => {
-          toggleLoadingButton(toggleButton);
-        })
-        .catch(() => {
-          toggleLoadingButton(toggleButton);
-          toggleValue(toggleButton);
-          Flash(s__('ClusterIntegration|Something went wrong on our end.'));
-        });
-    }));
-}
diff --git a/app/assets/javascripts/compare.js b/app/assets/javascripts/compare.js
index 144caf1d278..e2a008e8904 100644
--- a/app/assets/javascripts/compare.js
+++ b/app/assets/javascripts/compare.js
@@ -1,5 +1,6 @@
 /* eslint-disable func-names, space-before-function-paren, wrap-iife, quotes, no-var, object-shorthand, consistent-return, no-unused-vars, comma-dangle, vars-on-top, prefer-template, max-len */
 import { localTimeAgo } from './lib/utils/datetime_utility';
+import axios from './lib/utils/axios_utils';
 
 export default class Compare {
   constructor(opts) {
@@ -41,17 +42,14 @@ export default class Compare {
   }
 
   getTargetProject() {
-    return $.ajax({
-      url: this.opts.targetProjectUrl,
-      data: {
-        target_project_id: $("input[name='merge_request[target_project_id]']").val()
-      },
-      beforeSend: function() {
-        return $('.mr_target_commit').empty();
+    $('.mr_target_commit').empty();
+
+    return axios.get(this.opts.targetProjectUrl, {
+      params: {
+        target_project_id: $("input[name='merge_request[target_project_id]']").val(),
       },
-      success: function(html) {
-        return $('.js-target-branch-dropdown .dropdown-content').html(html);
-      }
+    }).then(({ data }) => {
+      $('.js-target-branch-dropdown .dropdown-content').html(data);
     });
   }
 
@@ -68,22 +66,19 @@ export default class Compare {
     });
   }
 
-  static sendAjax(url, loading, target, data) {
-    var $target;
-    $target = $(target);
-    return $.ajax({
-      url: url,
-      data: data,
-      beforeSend: function() {
-        loading.show();
-        return $target.empty();
-      },
-      success: function(html) {
-        loading.hide();
-        $target.html(html);
-        var className = '.' + $target[0].className.replace(' ', '.');
-        localTimeAgo($('.js-timeago', className));
-      }
+  static sendAjax(url, loading, target, params) {
+    const $target = $(target);
+
+    loading.show();
+    $target.empty();
+
+    return axios.get(url, {
+      params,
+    }).then(({ data }) => {
+      loading.hide();
+      $target.html(data);
+      const className = '.' + $target[0].className.replace(' ', '.');
+      localTimeAgo($('.js-timeago', className));
     });
   }
 }
diff --git a/app/assets/javascripts/compare_autocomplete.js b/app/assets/javascripts/compare_autocomplete.js
index e633ef8a29e..59899e97be1 100644
--- a/app/assets/javascripts/compare_autocomplete.js
+++ b/app/assets/javascripts/compare_autocomplete.js
@@ -1,4 +1,7 @@
 /* eslint-disable func-names, space-before-function-paren, one-var, no-var, one-var-declaration-per-line, object-shorthand, comma-dangle, prefer-arrow-callback, no-else-return, newline-per-chained-call, wrap-iife, max-len */
+import { __ } from './locale';
+import axios from './lib/utils/axios_utils';
+import flash from './flash';
 
 export default function initCompareAutocomplete() {
   $('.js-compare-dropdown').each(function() {
@@ -10,15 +13,14 @@ export default function initCompareAutocomplete() {
     const $filterInput = $('input[type="search"]', $dropdownContainer);
     $dropdown.glDropdown({
       data: function(term, callback) {
-        return $.ajax({
-          url: $dropdown.data('refs-url'),
-          data: {
+        axios.get($dropdown.data('refsUrl'), {
+          params: {
             ref: $dropdown.data('ref'),
             search: term,
-          }
-        }).done(function(refs) {
-          return callback(refs);
-        });
+          },
+        }).then(({ data }) => {
+          callback(data);
+        }).catch(() => flash(__('Error fetching refs')));
       },
       selectable: true,
       filterable: true,
diff --git a/app/assets/javascripts/create_merge_request_dropdown.js b/app/assets/javascripts/create_merge_request_dropdown.js
index bc23a72762f..482d83621e2 100644
--- a/app/assets/javascripts/create_merge_request_dropdown.js
+++ b/app/assets/javascripts/create_merge_request_dropdown.js
@@ -1,5 +1,6 @@
 /* eslint-disable no-new */
 import _ from 'underscore';
+import axios from './lib/utils/axios_utils';
 import Flash from './flash';
 import DropLab from './droplab/drop_lab';
 import ISetter from './droplab/plugins/input_setter';
@@ -74,60 +75,52 @@ export default class CreateMergeRequestDropdown {
   }
 
   checkAbilityToCreateBranch() {
-    return $.ajax({
-      type: 'GET',
-      dataType: 'json',
-      url: this.canCreatePath,
-      beforeSend: () => this.setUnavailableButtonState(),
-    })
-    .done((data) => {
-      this.setUnavailableButtonState(false);
-
-      if (data.can_create_branch) {
-        this.available();
-        this.enable();
-
-        if (!this.droplabInitialized) {
-          this.droplabInitialized = true;
-          this.initDroplab();
-          this.bindEvents();
+    this.setUnavailableButtonState();
+
+    axios.get(this.canCreatePath)
+      .then(({ data }) => {
+        this.setUnavailableButtonState(false);
+
+        if (data.can_create_branch) {
+          this.available();
+          this.enable();
+
+          if (!this.droplabInitialized) {
+            this.droplabInitialized = true;
+            this.initDroplab();
+            this.bindEvents();
+          }
+        } else if (data.has_related_branch) {
+          this.hide();
         }
-      } else if (data.has_related_branch) {
-        this.hide();
-      }
-    }).fail(() => {
-      this.unavailable();
-      this.disable();
-      new Flash('Failed to check if a new branch can be created.');
-    });
+      })
+      .catch(() => {
+        this.unavailable();
+        this.disable();
+        Flash('Failed to check if a new branch can be created.');
+      });
   }
 
   createBranch() {
-    return $.ajax({
-      method: 'POST',
-      dataType: 'json',
-      url: this.createBranchPath,
-      beforeSend: () => (this.isCreatingBranch = true),
-    })
-    .done((data) => {
-      this.branchCreated = true;
-      window.location.href = data.url;
-    })
-    .fail(() => new Flash('Failed to create a branch for this issue. Please try again.'));
+    this.isCreatingBranch = true;
+
+    return axios.post(this.createBranchPath)
+      .then(({ data }) => {
+        this.branchCreated = true;
+        window.location.href = data.url;
+      })
+      .catch(() => Flash('Failed to create a branch for this issue. Please try again.'));
   }
 
   createMergeRequest() {
-    return $.ajax({
-      method: 'POST',
-      dataType: 'json',
-      url: this.createMrPath,
-      beforeSend: () => (this.isCreatingMergeRequest = true),
-    })
-    .done((data) => {
-      this.mergeRequestCreated = true;
-      window.location.href = data.url;
-    })
-    .fail(() => new Flash('Failed to create Merge Request. Please try again.'));
+    this.isCreatingMergeRequest = true;
+
+    return axios.post(this.createMrPath)
+      .then(({ data }) => {
+        this.mergeRequestCreated = true;
+        window.location.href = data.url;
+      })
+      .catch(() => Flash('Failed to create Merge Request. Please try again.'));
   }
 
   disable() {
@@ -200,39 +193,33 @@ export default class CreateMergeRequestDropdown {
   getRef(ref, target = 'all') {
     if (!ref) return false;
 
-    return $.ajax({
-      method: 'GET',
-      dataType: 'json',
-      url: this.refsPath + ref,
-      beforeSend: () => {
-        this.isGettingRef = true;
-      },
-    })
-    .always(() => {
-      this.isGettingRef = false;
-    })
-    .done((data) => {
-      const branches = data[Object.keys(data)[0]];
-      const tags = data[Object.keys(data)[1]];
-      let result;
+    return axios.get(this.refsPath + ref)
+      .then(({ data }) => {
+        const branches = data[Object.keys(data)[0]];
+        const tags = data[Object.keys(data)[1]];
+        let result;
+
+        if (target === 'branch') {
+          result = CreateMergeRequestDropdown.findByValue(branches, ref);
+        } else {
+          result = CreateMergeRequestDropdown.findByValue(branches, ref, true) ||
+            CreateMergeRequestDropdown.findByValue(tags, ref, true);
+          this.suggestedRef = result;
+        }
 
-      if (target === 'branch') {
-        result = CreateMergeRequestDropdown.findByValue(branches, ref);
-      } else {
-        result = CreateMergeRequestDropdown.findByValue(branches, ref, true) ||
-          CreateMergeRequestDropdown.findByValue(tags, ref, true);
-        this.suggestedRef = result;
-      }
+        this.isGettingRef = false;
 
-      return this.updateInputState(target, ref, result);
-    })
-    .fail(() => {
-      this.unavailable();
-      this.disable();
-      new Flash('Failed to get ref.');
+        return this.updateInputState(target, ref, result);
+      })
+      .catch(() => {
+        this.unavailable();
+        this.disable();
+        new Flash('Failed to get ref.');
 
-      return false;
-    });
+        this.isGettingRef = false;
+
+        return false;
+      });
   }
 
   getTargetData(target) {
@@ -332,12 +319,12 @@ export default class CreateMergeRequestDropdown {
       xhr = this.createBranch();
     }
 
-    xhr.fail(() => {
+    xhr.catch(() => {
       this.isCreatingMergeRequest = false;
       this.isCreatingBranch = false;
-    });
 
-    xhr.always(() => this.enable());
+      this.enable();
+    });
 
     this.disable();
   }
diff --git a/app/assets/javascripts/dropzone_input.js b/app/assets/javascripts/dropzone_input.js
index 550dbdda922..ba89e5726fa 100644
--- a/app/assets/javascripts/dropzone_input.js
+++ b/app/assets/javascripts/dropzone_input.js
@@ -2,6 +2,7 @@ import Dropzone from 'dropzone';
 import _ from 'underscore';
 import './preview_markdown';
 import csrf from './lib/utils/csrf';
+import axios from './lib/utils/axios_utils';
 
 Dropzone.autoDiscover = false;
 
@@ -235,25 +236,21 @@ export default function dropzoneInput(form) {
   uploadFile = (item, filename) => {
     const formData = new FormData();
     formData.append('file', item, filename);
-    return $.ajax({
-      url: uploadsPath,
-      type: 'POST',
-      data: formData,
-      dataType: 'json',
-      processData: false,
-      contentType: false,
-      headers: csrf.headers,
-      beforeSend: () => {
-        showSpinner();
-        return closeAlertMessage();
-      },
-      success: (e, text, response) => {
-        const md = response.responseJSON.link.markdown;
+
+    showSpinner();
+    closeAlertMessage();
+
+    axios.post(uploadsPath, formData)
+      .then(({ data }) => {
+        const md = data.link.markdown;
+
         insertToTextArea(filename, md);
-      },
-      error: response => showError(response.responseJSON.message),
-      complete: () => closeSpinner(),
-    });
+        closeSpinner();
+      })
+      .catch((e) => {
+        showError(e.response.data.message);
+        closeSpinner();
+      });
   };
 
   updateAttachingMessage = (files, messageContainer) => {
diff --git a/app/assets/javascripts/due_date_select.js b/app/assets/javascripts/due_date_select.js
index ada985913bb..bd4c58b7cb1 100644
--- a/app/assets/javascripts/due_date_select.js
+++ b/app/assets/javascripts/due_date_select.js
@@ -1,6 +1,7 @@
 /* global dateFormat */
 
 import Pikaday from 'pikaday';
+import axios from './lib/utils/axios_utils';
 import { parsePikadayDate, pikadayToString } from './lib/utils/datefix';
 
 class DueDateSelect {
@@ -125,37 +126,30 @@ class DueDateSelect {
   }
 
   submitSelectedDate(isDropdown) {
-    return $.ajax({
-      type: 'PUT',
-      url: this.issueUpdateURL,
-      data: this.datePayload,
-      dataType: 'json',
-      beforeSend: () => {
-        const selectedDateValue = this.datePayload[this.abilityName].due_date;
-        const displayedDateStyle = this.displayedDate !== 'No due date' ? 'bold' : 'no-value';
+    const selectedDateValue = this.datePayload[this.abilityName].due_date;
+    const displayedDateStyle = this.displayedDate !== 'No due date' ? 'bold' : 'no-value';
 
-        this.$loading.removeClass('hidden').fadeIn();
+    this.$loading.removeClass('hidden').fadeIn();
 
-        if (isDropdown) {
-          this.$dropdown.trigger('loading.gl.dropdown');
-          this.$selectbox.hide();
-        }
+    if (isDropdown) {
+      this.$dropdown.trigger('loading.gl.dropdown');
+      this.$selectbox.hide();
+    }
 
-        this.$value.css('display', '');
-        this.$valueContent.html(`<span class='${displayedDateStyle}'>${this.displayedDate}</span>`);
-        this.$sidebarValue.html(this.displayedDate);
+    this.$value.css('display', '');
+    this.$valueContent.html(`<span class='${displayedDateStyle}'>${this.displayedDate}</span>`);
+    this.$sidebarValue.html(this.displayedDate);
 
-        return selectedDateValue.length ?
-          $('.js-remove-due-date-holder').removeClass('hidden') :
-          $('.js-remove-due-date-holder').addClass('hidden');
-      },
-    }).done(() => {
-      if (isDropdown) {
-        this.$dropdown.trigger('loaded.gl.dropdown');
-        this.$dropdown.dropdown('toggle');
-      }
-      return this.$loading.fadeOut();
-    });
+    $('.js-remove-due-date-holder').toggleClass('hidden', selectedDateValue.length);
+
+    return axios.put(this.issueUpdateURL, this.datePayload)
+      .then(() => {
+        if (isDropdown) {
+          this.$dropdown.trigger('loaded.gl.dropdown');
+          this.$dropdown.dropdown('toggle');
+        }
+        return this.$loading.fadeOut();
+      });
   }
 }
 
diff --git a/app/assets/javascripts/filterable_list.js b/app/assets/javascripts/filterable_list.js
index 9e91f72b2ea..a10f027de53 100644
--- a/app/assets/javascripts/filterable_list.js
+++ b/app/assets/javascripts/filterable_list.js
@@ -1,4 +1,5 @@
 import _ from 'underscore';
+import axios from './lib/utils/axios_utils';
 
 /**
  * Makes search request for content when user types a value in the search input.
@@ -54,32 +55,26 @@ export default class FilterableList {
     this.listFilterElement.removeEventListener('input', this.debounceFilter);
   }
 
-  filterResults(queryData) {
+  filterResults(params) {
     if (this.isBusy) {
       return false;
     }
 
     $(this.listHolderElement).fadeTo(250, 0.5);
 
-    return $.ajax({
-      url: this.getFilterEndpoint(),
-      data: queryData,
-      type: 'GET',
-      dataType: 'json',
-      context: this,
-      complete: this.onFilterComplete,
-      beforeSend: () => {
-        this.isBusy = true;
-      },
-      success: (response, textStatus, xhr) => {
-        this.onFilterSuccess(response, xhr, queryData);
-      },
-    });
+    this.isBusy = true;
+
+    return axios.get(this.getFilterEndpoint(), {
+      params,
+    }).then((res) => {
+      this.onFilterSuccess(res, params);
+      this.onFilterComplete();
+    }).catch(() => this.onFilterComplete());
   }
 
-  onFilterSuccess(response, xhr, queryData) {
-    if (response.html) {
-      this.listHolderElement.innerHTML = response.html;
+  onFilterSuccess(response, queryData) {
+    if (response.data.html) {
+      this.listHolderElement.innerHTML = response.data.html;
     }
 
     // Change url so if user reload a page - search results are saved
diff --git a/app/assets/javascripts/groups/groups_filterable_list.js b/app/assets/javascripts/groups/groups_filterable_list.js
index 2db233b09da..31d56d15c23 100644
--- a/app/assets/javascripts/groups/groups_filterable_list.js
+++ b/app/assets/javascripts/groups/groups_filterable_list.js
@@ -1,6 +1,6 @@
 import FilterableList from '~/filterable_list';
 import eventHub from './event_hub';
-import { getParameterByName } from '../lib/utils/common_utils';
+import { normalizeHeaders, getParameterByName } from '../lib/utils/common_utils';
 
 export default class GroupFilterableList extends FilterableList {
   constructor({ form, filter, holder, filterEndpoint, pagePath, dropdownSel, filterInputField }) {
@@ -94,23 +94,14 @@ export default class GroupFilterableList extends FilterableList {
     this.form.querySelector(`[name="${this.filterInputField}"]`).value = '';
   }
 
-  onFilterSuccess(data, xhr, queryData) {
+  onFilterSuccess(res, queryData) {
     const currentPath = this.getPagePath(queryData);
 
-    const paginationData = {
-      'X-Per-Page': xhr.getResponseHeader('X-Per-Page'),
-      'X-Page': xhr.getResponseHeader('X-Page'),
-      'X-Total': xhr.getResponseHeader('X-Total'),
-      'X-Total-Pages': xhr.getResponseHeader('X-Total-Pages'),
-      'X-Next-Page': xhr.getResponseHeader('X-Next-Page'),
-      'X-Prev-Page': xhr.getResponseHeader('X-Prev-Page'),
-    };
-
     window.history.replaceState({
       page: currentPath,
     }, document.title, currentPath);
 
-    eventHub.$emit('updateGroups', data, Object.prototype.hasOwnProperty.call(queryData, this.filterInputField));
-    eventHub.$emit('updatePagination', paginationData);
+    eventHub.$emit('updateGroups', res.data, Object.prototype.hasOwnProperty.call(queryData, this.filterInputField));
+    eventHub.$emit('updatePagination', normalizeHeaders(res.headers));
   }
 }
diff --git a/app/assets/javascripts/toggle_buttons.js b/app/assets/javascripts/toggle_buttons.js
new file mode 100644
index 00000000000..974dc3ee052
--- /dev/null
+++ b/app/assets/javascripts/toggle_buttons.js
@@ -0,0 +1,61 @@
+import $ from 'jquery';
+import Flash from './flash';
+import { __ } from './locale';
+import { convertPermissionToBoolean } from './lib/utils/common_utils';
+
+/*
+ example HAML:
+ ```
+  %button.js-project-feature-toggle.project-feature-toggle{ type: "button",
+    class: "#{'is-checked' if enabled?}",
+    'aria-label': _('Toggle Cluster') }
+    %input{ type: "hidden", class: 'js-project-feature-toggle-input', value: enabled? }
+  ```
+*/
+
+function updatetoggle(toggle, isOn) {
+  toggle.classList.toggle('is-checked', isOn);
+}
+
+function onToggleClicked(toggle, input, clickCallback) {
+  const previousIsOn = convertPermissionToBoolean(input.value);
+
+  // Visually change the toggle and start loading
+  updatetoggle(toggle, !previousIsOn);
+  toggle.setAttribute('disabled', true);
+  toggle.classList.toggle('is-loading', true);
+
+  Promise.resolve(clickCallback(!previousIsOn, toggle))
+    .then(() => {
+      // Actually change the input value
+      input.setAttribute('value', !previousIsOn);
+    })
+    .catch(() => {
+      // Revert the visuals if something goes wrong
+      updatetoggle(toggle, previousIsOn);
+    })
+    .then(() => {
+      // Remove the loading indicator in any case
+      toggle.removeAttribute('disabled');
+      toggle.classList.toggle('is-loading', false);
+
+      $(input).trigger('trigger-change');
+    })
+    .catch(() => {
+      Flash(__('Something went wrong when toggling the button'));
+    });
+}
+
+export default function setupToggleButtons(container, clickCallback = () => {}) {
+  const toggles = container.querySelectorAll('.js-project-feature-toggle');
+
+  toggles.forEach((toggle) => {
+    const input = toggle.querySelector('.js-project-feature-toggle-input');
+    const isOn = convertPermissionToBoolean(input.value);
+
+    // Get the visible toggle in sync with the hidden input
+    updatetoggle(toggle, isOn);
+
+    toggle.addEventListener('click', onToggleClicked.bind(null, toggle, input, clickCallback));
+  });
+}
diff --git a/app/models/project.rb b/app/models/project.rb
index e19873f64ce..d0d0fd6e093 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -568,6 +568,9 @@ class Project < ActiveRecord::Base
         RepositoryForkWorker.perform_async(id,
                                            forked_from_project.repository_storage_path,
                                            forked_from_project.disk_path)
+      elsif gitlab_project_import?
+        # Do not retry on Import/Export until https://gitlab.com/gitlab-org/gitlab-ce/issues/26189 is solved.
+        RepositoryImportWorker.set(retry: false).perform_async(self.id)
       else
         RepositoryImportWorker.perform_async(self.id)
       end
diff --git a/app/models/project_services/emails_on_push_service.rb b/app/models/project_services/emails_on_push_service.rb
index 1a236e232f9..b604d860a87 100644
--- a/app/models/project_services/emails_on_push_service.rb
+++ b/app/models/project_services/emails_on_push_service.rb
@@ -2,7 +2,7 @@ class EmailsOnPushService < Service
   boolean_accessor :send_from_committer_email
   boolean_accessor :disable_diffs
   prop_accessor :recipients
-  validates :recipients, presence: true, if: :activated?
+  validates :recipients, presence: true, if: :valid_recipients?
 
   def title
     'Emails on push'
diff --git a/app/models/project_services/irker_service.rb b/app/models/project_services/irker_service.rb
index 19357f90810..27bdf708c80 100644
--- a/app/models/project_services/irker_service.rb
+++ b/app/models/project_services/irker_service.rb
@@ -4,7 +4,7 @@ class IrkerService < Service
   prop_accessor :server_host, :server_port, :default_irc_uri
   prop_accessor :recipients, :channels
   boolean_accessor :colorize_messages
-  validates :recipients, presence: true, if: :activated?
+  validates :recipients, presence: true, if: :valid_recipients?
 
   before_validation :get_channels
 
diff --git a/app/models/project_services/pipelines_email_service.rb b/app/models/project_services/pipelines_email_service.rb
index 6a3118a11b8..9c7b58dead5 100644
--- a/app/models/project_services/pipelines_email_service.rb
+++ b/app/models/project_services/pipelines_email_service.rb
@@ -1,7 +1,7 @@
 class PipelinesEmailService < Service
   prop_accessor :recipients
   boolean_accessor :notify_only_broken_pipelines
-  validates :recipients, presence: true, if: :activated?
+  validates :recipients, presence: true, if: :valid_recipients?
 
   def initialize_properties
     self.properties ||= { notify_only_broken_pipelines: true }
diff --git a/app/models/service.rb b/app/models/service.rb
index 96a064697f0..369cae2e85f 100644
--- a/app/models/service.rb
+++ b/app/models/service.rb
@@ -2,6 +2,8 @@
 # and implement a set of methods
 class Service < ActiveRecord::Base
   include Sortable
+  include Importable
+
   serialize :properties, JSON # rubocop:disable Cop/ActiveRecordSerialize
 
   default_value_for :active, false
@@ -295,4 +297,8 @@ class Service < ActiveRecord::Base
       project.cache_has_external_wiki
     end
   end
+
+  def valid_recipients?
+    activated? && !importing?
+  end
 end
diff --git a/app/views/help/index.html.haml b/app/views/help/index.html.haml
index b8692009225..fdd72ead2cb 100644
--- a/app/views/help/index.html.haml
+++ b/app/views/help/index.html.haml
@@ -5,15 +5,16 @@
   = markdown_field(current_application_settings, :help_page_text)
   %hr
 
-- unless current_application_settings.help_page_hide_commercial_content?
-  %h1
-    GitLab
-    Community Edition
-    - if user_signed_in?
-      %span= Gitlab::VERSION
-      %small= link_to Gitlab::REVISION, Gitlab::COM_URL + namespace_project_commits_path('gitlab-org', 'gitlab-ce', Gitlab::REVISION)
-      = version_status_badge
+%h1
+  GitLab
+  Community Edition
+  - if user_signed_in?
+    %span= Gitlab::VERSION
+    %small= link_to Gitlab::REVISION, Gitlab::COM_URL + namespace_project_commits_path('gitlab-org', 'gitlab-ce', Gitlab::REVISION)
+    = version_status_badge
+  %hr
 
+- unless current_application_settings.help_page_hide_commercial_content?
   %p.slead
     GitLab is open source software to collaborate on code.
     %br
diff --git a/app/views/projects/clusters/_cluster.html.haml b/app/views/projects/clusters/_cluster.html.haml
index 3943dfc0856..20ee8086f93 100644
--- a/app/views/projects/clusters/_cluster.html.haml
+++ b/app/views/projects/clusters/_cluster.html.haml
@@ -12,11 +12,12 @@
   .table-section.section-10
     .table-mobile-header{ role: "rowheader" }
     .table-mobile-content
-      %button{ type: "button",
-        class: "js-toggle-cluster-list project-feature-toggle #{'is-checked' if cluster.enabled?} #{'is-disabled' if !cluster.can_toggle_cluster?}",
+      %button.js-project-feature-toggle.project-feature-toggle{ type: "button",
+        class: "#{'is-checked' if cluster.enabled?} #{'is-disabled' if !cluster.can_toggle_cluster?}",
         "aria-label": s_("ClusterIntegration|Toggle Cluster"),
         disabled: !cluster.can_toggle_cluster?,
         data: { endpoint: namespace_project_cluster_path(@project.namespace, @project, cluster, format: :json) } }
+        %input.js-project-feature-toggle-input{ type: "hidden", value: cluster.enabled? }
         = icon("spinner spin", class: "loading-icon")
         %span.toggle-icon
           = sprite_icon('status_success_borderless', size: 16, css_class: 'toggle-icon-svg toggle-status-checked')
diff --git a/app/views/projects/clusters/_integration_form.html.haml b/app/views/projects/clusters/_integration_form.html.haml
index 9d593ffc021..0af6e6e0577 100644
--- a/app/views/projects/clusters/_integration_form.html.haml
+++ b/app/views/projects/clusters/_integration_form.html.haml
@@ -10,13 +10,12 @@
           = s_('ClusterIntegration|Cluster integration is enabled for this project.')
       - else
         = s_('ClusterIntegration|Cluster integration is disabled for this project.')
-    %label.append-bottom-10
-      = field.hidden_field :enabled, { class: 'js-toggle-input'}
-
+    %label.append-bottom-10.js-cluster-enable-toggle-area
       %button{ type: 'button',
-        class: "js-toggle-cluster project-feature-toggle #{'is-checked' unless !@cluster.enabled?} #{'is-disabled' unless can?(current_user, :update_cluster, @cluster)}",
+        class: "js-project-feature-toggle project-feature-toggle #{'is-checked' if @cluster.enabled?} #{'is-disabled' unless can?(current_user, :update_cluster, @cluster)}",
         "aria-label": s_("ClusterIntegration|Toggle Cluster"),
         disabled: !can?(current_user, :update_cluster, @cluster) }
+        = field.hidden_field :enabled, { class: 'js-project-feature-toggle-input'}
         %span.toggle-icon
           = sprite_icon('status_success_borderless', size: 16, css_class: 'toggle-icon-svg toggle-status-checked')
           = sprite_icon('status_failed_borderless', size: 16, css_class: 'toggle-icon-svg toggle-status-unchecked')
diff --git a/app/workers/repository_import_worker.rb b/app/workers/repository_import_worker.rb
index 31e2798c36b..d79b5ee5346 100644
--- a/app/workers/repository_import_worker.rb
+++ b/app/workers/repository_import_worker.rb
@@ -20,7 +20,11 @@ class RepositoryImportWorker
     # to those importers to mark the import process as complete.
     return if service.async?
 
-    raise result[:message] if result[:status] == :error
+    if result[:status] == :error
+      fail_import(project, result[:message]) if project.gitlab_project_import?
+
+      raise result[:message]
+    end
 
     project.after_import
   end
@@ -33,4 +37,8 @@ class RepositoryImportWorker
     Rails.logger.info("Project #{project.full_path} was in inconsistent state (#{project.import_status}) while importing.")
     false
   end
+
+  def fail_import(project, message)
+    project.mark_import_as_failed(message)
+  end
 end
diff --git a/changelogs/unreleased/42327-import-from-gitlab-com-fails-destination-already-exists-and-is-not-an-empty-directory-error.yml b/changelogs/unreleased/42327-import-from-gitlab-com-fails-destination-already-exists-and-is-not-an-empty-directory-error.yml
new file mode 100644
index 00000000000..660f4f5d42c
--- /dev/null
+++ b/changelogs/unreleased/42327-import-from-gitlab-com-fails-destination-already-exists-and-is-not-an-empty-directory-error.yml
@@ -0,0 +1,6 @@
+---
+title: Fixes destination already exists, and some particular service errors on Import/Export
+  error
+merge_request: 16714
+author:
+type: fixed
diff --git a/changelogs/unreleased/cs-fix-commercial-content-check.yml b/changelogs/unreleased/cs-fix-commercial-content-check.yml
new file mode 100644
index 00000000000..fec80e3ecd2
--- /dev/null
+++ b/changelogs/unreleased/cs-fix-commercial-content-check.yml
@@ -0,0 +1,6 @@
+---
+title: Fix version information not showing on help page if commercial content display
+  was disabled.
+merge_request: 16743
+author: 
+type: fixed
diff --git a/doc/raketasks/backup_restore.md b/doc/raketasks/backup_restore.md
index 76f33b765d3..24d678d5cde 100644
--- a/doc/raketasks/backup_restore.md
+++ b/doc/raketasks/backup_restore.md
@@ -169,15 +169,11 @@ For Omnibus GitLab packages:
 
 1. [Reconfigure GitLab] for the changes to take effect
 
-#### Digital Ocean Spaces and other S3-compatible providers
+#### Digital Ocean Spaces
 
-Not all S3 providers are fully-compatible with the Fog library. For example,
-if you see `411 Length Required` errors after attempting to upload, you may
-need to downgrade the `aws_signature_version` value from the default value to
-2 [due to this issue](https://github.com/fog/fog-aws/issues/428).
+This example can be used for a bucket in Amsterdam (AMS3).
 
-1. For example, with [Digital Ocean Spaces](https://www.digitalocean.com/products/spaces/),
-this example configuration can be used for a bucket in Amsterdam (AMS3):
+1. Add the following to `/etc/gitlab/gitlab.rb`:
 
     ```ruby
     gitlab_rails['backup_upload_connection'] = {
@@ -185,7 +181,6 @@ this example configuration can be used for a bucket in Amsterdam (AMS3):
       'region' => 'ams3',
       'aws_access_key_id' => 'AKIAKIAKI',
       'aws_secret_access_key' => 'secret123',
-      'aws_signature_version' => 2,
       'endpoint'              => 'https://ams3.digitaloceanspaces.com'
     }
     gitlab_rails['backup_upload_remote_directory'] = 'my.s3.bucket'
@@ -193,6 +188,13 @@ this example configuration can be used for a bucket in Amsterdam (AMS3):
 
 1. [Reconfigure GitLab] for the changes to take effect
 
+#### Other S3 Providers
+
+Not all S3 providers are fully-compatible with the Fog library. For example,
+if you see `411 Length Required` errors after attempting to upload, you may
+need to downgrade the `aws_signature_version` value from the default value to
+2 [due to this issue](https://github.com/fog/fog-aws/issues/428).
+
 ---
 
 For installations from source:
diff --git a/lib/gitlab/git/blame.rb b/lib/gitlab/git/blame.rb
index 31effdba292..6d6ed065f79 100644
--- a/lib/gitlab/git/blame.rb
+++ b/lib/gitlab/git/blame.rb
@@ -42,9 +42,7 @@ module Gitlab
       end
 
       def load_blame_by_shelling_out
-        cmd = %W(#{Gitlab.config.git.bin_path} --git-dir=#{@repo.path} blame -p #{@sha} -- #{@path})
-        # Read in binary mode to ensure ASCII-8BIT
-        IO.popen(cmd, 'rb') {|io| io.read }
+        @repo.shell_blame(@sha, @path)
       end
 
       def process_raw_blame(output)
diff --git a/lib/gitlab/git/popen.rb b/lib/gitlab/git/popen.rb
index 1ccca13ce2f..e0bd2bbe47b 100644
--- a/lib/gitlab/git/popen.rb
+++ b/lib/gitlab/git/popen.rb
@@ -19,6 +19,8 @@ module Gitlab
         cmd_output = ""
         cmd_status = 0
         Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
+          stdout.set_encoding(Encoding::ASCII_8BIT)
+
           yield(stdin) if block_given?
           stdin.close
 
diff --git a/lib/gitlab/git/repository.rb b/lib/gitlab/git/repository.rb
index 638d335b523..64b491517cb 100644
--- a/lib/gitlab/git/repository.rb
+++ b/lib/gitlab/git/repository.rb
@@ -614,11 +614,11 @@ module Gitlab
           if is_enabled
             gitaly_ref_client.find_ref_name(sha, ref_path)
           else
-            args = %W(#{Gitlab.config.git.bin_path} for-each-ref --count=1 #{ref_path} --contains #{sha})
+            args = %W(for-each-ref --count=1 #{ref_path} --contains #{sha})
 
             # Not found -> ["", 0]
             # Found -> ["b8d95eb4969eefacb0a58f6a28f6803f8070e7b9 commit\trefs/environments/production/77\n", 0]
-            popen(args, @path).first.split.last
+            run_git(args).first.split.last
           end
         end
       end
@@ -887,8 +887,7 @@ module Gitlab
           "delete #{ref}\x00\x00"
         end
 
-        command = %W[#{Gitlab.config.git.bin_path} update-ref --stdin -z]
-        message, status = popen(command, path) do |stdin|
+        message, status = run_git(%w[update-ref --stdin -z]) do |stdin|
           stdin.write(instructions.join)
         end
 
@@ -1409,6 +1408,11 @@ module Gitlab
         end
       end
 
+      def shell_blame(sha, path)
+        output, _status = run_git(%W(blame -p #{sha} -- #{path}))
+        output
+      end
+
       private
 
       def shell_write_ref(ref_path, ref, old_ref)
@@ -1433,6 +1437,12 @@ module Gitlab
       def run_git(args, chdir: path, env: {}, nice: false, &block)
         cmd = [Gitlab.config.git.bin_path, *args]
         cmd.unshift("nice") if nice
+
+        object_directories = alternate_object_directories
+        if object_directories.any?
+          env['GIT_ALTERNATE_OBJECT_DIRECTORIES'] = object_directories.join(File::PATH_SEPARATOR)
+        end
+
         circuit_breaker.perform do
           popen(cmd, chdir, env, &block)
         end
@@ -1624,7 +1634,7 @@ module Gitlab
         offset_in_ruby = use_follow_flag && options[:offset].present?
         limit += offset if offset_in_ruby
 
-        cmd = %W[#{Gitlab.config.git.bin_path} --git-dir=#{path} log]
+        cmd = %w[log]
         cmd << "--max-count=#{limit}"
         cmd << '--format=%H'
         cmd << "--skip=#{offset}" unless offset_in_ruby
@@ -1640,7 +1650,7 @@ module Gitlab
           cmd += Array(options[:path])
         end
 
-        raw_output = IO.popen(cmd) { |io| io.read }
+        raw_output, _status = run_git(cmd)
         lines = offset_in_ruby ? raw_output.lines.drop(offset) : raw_output.lines
 
         lines.map! { |c| Rugged::Commit.new(rugged, c.strip) }
@@ -1678,18 +1688,23 @@ module Gitlab
       end
 
       def alternate_object_directories
-        relative_paths = Gitlab::Git::Env.all.values_at(*ALLOWED_OBJECT_RELATIVE_DIRECTORIES_VARIABLES).flatten.compact
+        relative_paths = relative_object_directories
 
         if relative_paths.any?
           relative_paths.map { |d| File.join(path, d) }
         else
-          Gitlab::Git::Env.all.values_at(*ALLOWED_OBJECT_DIRECTORIES_VARIABLES)
-            .flatten
-            .compact
-            .flat_map { |d| d.split(File::PATH_SEPARATOR) }
+          absolute_object_directories.flat_map { |d| d.split(File::PATH_SEPARATOR) }
         end
       end
 
+      def relative_object_directories
+        Gitlab::Git::Env.all.values_at(*ALLOWED_OBJECT_RELATIVE_DIRECTORIES_VARIABLES).flatten.compact
+      end
+
+      def absolute_object_directories
+        Gitlab::Git::Env.all.values_at(*ALLOWED_OBJECT_DIRECTORIES_VARIABLES).flatten.compact
+      end
+
       # Get the content of a blob for a given commit.  If the blob is a commit
       # (for submodules) then return the blob's OID.
       def blob_content(commit, blob_name)
@@ -1833,13 +1848,13 @@ module Gitlab
       def count_commits_by_shelling_out(options)
         cmd = count_commits_shelling_command(options)
 
-        raw_output = IO.popen(cmd) { |io| io.read }
+        raw_output, _status = run_git(cmd)
 
         process_count_commits_raw_output(raw_output, options)
       end
 
       def count_commits_shelling_command(options)
-        cmd = %W[#{Gitlab.config.git.bin_path} --git-dir=#{path} rev-list]
+        cmd = %w[rev-list]
         cmd << "--after=#{options[:after].iso8601}" if options[:after]
         cmd << "--before=#{options[:before].iso8601}" if options[:before]
         cmd << "--max-count=#{options[:max_count]}" if options[:max_count]
@@ -1884,20 +1899,17 @@ module Gitlab
           return []
         end
 
-        cmd = %W(#{Gitlab.config.git.bin_path} --git-dir=#{path} ls-tree)
-        cmd += %w(-r)
-        cmd += %w(--full-tree)
-        cmd += %w(--full-name)
-        cmd += %W(-- #{actual_ref})
+        cmd = %W(ls-tree -r --full-tree --full-name -- #{actual_ref})
+        raw_output, _status = run_git(cmd)
 
-        raw_output = IO.popen(cmd, &:read).split("\n").map do |f|
+        lines = raw_output.split("\n").map do |f|
           stuff, path = f.split("\t")
           _mode, type, _sha = stuff.split(" ")
           path if type == "blob"
           # Contain only blob type
         end
 
-        raw_output.compact
+        lines.compact
       end
 
       # Returns true if the given ref name exists
diff --git a/lib/gitlab/import_export/shared.rb b/lib/gitlab/import_export/shared.rb
index d03cbc880fd..b34cafc6876 100644
--- a/lib/gitlab/import_export/shared.rb
+++ b/lib/gitlab/import_export/shared.rb
@@ -19,8 +19,13 @@ module Gitlab
       def error(error)
         error_out(error.message, caller[0].dup)
         @errors << error.message
+
         # Debug:
-        Rails.logger.error(error.backtrace.join("\n"))
+        if error.backtrace
+          Rails.logger.error("Import/Export backtrace: #{error.backtrace.join("\n")}")
+        else
+          Rails.logger.error("No backtrace found")
+        end
       end
 
       private
diff --git a/lib/tasks/gitlab/gitaly.rake b/lib/tasks/gitlab/gitaly.rake
index a2e68c0471b..aece8893974 100644
--- a/lib/tasks/gitlab/gitaly.rake
+++ b/lib/tasks/gitlab/gitaly.rake
@@ -21,7 +21,11 @@ namespace :gitlab do
       _, status = Gitlab::Popen.popen(%w[which gmake])
       command << (status.zero? ? 'gmake' : 'make')
 
-      command << 'BUNDLE_FLAGS=--no-deployment' if Rails.env.test?
+      if Rails.env.test?
+        command.push(
+          'BUNDLE_FLAGS=--no-deployment',
+          "BUNDLE_PATH=#{Bundler.bundle_path}")
+      end
 
       Gitlab::SetupHelper.create_gitaly_configuration(args.dir)
       Dir.chdir(args.dir) do
diff --git a/spec/features/projects/clusters/gcp_spec.rb b/spec/features/projects/clusters/gcp_spec.rb
index 8953b30bebf..94bde723e2f 100644
--- a/spec/features/projects/clusters/gcp_spec.rb
+++ b/spec/features/projects/clusters/gcp_spec.rb
@@ -95,7 +95,7 @@ feature 'Gcp Cluster', :js do
 
         context 'when user disables the cluster' do
           before do
-            page.find(:css, '.js-toggle-cluster').click
+            page.find(:css, '.js-cluster-enable-toggle-area .js-project-feature-toggle').click
             page.within('#cluster-integration') { click_button 'Save changes' }
           end
 
diff --git a/spec/features/projects/clusters/user_spec.rb b/spec/features/projects/clusters/user_spec.rb
index a519b9f9c7e..b9ab434c259 100644
--- a/spec/features/projects/clusters/user_spec.rb
+++ b/spec/features/projects/clusters/user_spec.rb
@@ -62,7 +62,7 @@ feature 'User Cluster', :js do
 
     context 'when user disables the cluster' do
       before do
-        page.find(:css, '.js-toggle-cluster').click
+        page.find(:css, '.js-cluster-enable-toggle-area .js-project-feature-toggle').click
         fill_in 'cluster_name', with: 'dev-cluster'
         page.within('#cluster-integration') { click_button 'Save changes' }
       end
diff --git a/spec/features/projects/clusters_spec.rb b/spec/features/projects/clusters_spec.rb
index eae2910a8f6..497a50bebe4 100644
--- a/spec/features/projects/clusters_spec.rb
+++ b/spec/features/projects/clusters_spec.rb
@@ -37,13 +37,13 @@ feature 'Clusters', :js do
 
     context 'inline update of cluster' do
       it 'user can update cluster' do
-        expect(page).to have_selector('.js-toggle-cluster-list')
+        expect(page).to have_selector('.js-project-feature-toggle')
       end
 
       context 'with sucessfull request' do
         it 'user sees updated cluster' do
           expect do
-            page.find('.js-toggle-cluster-list').click
+            page.find('.js-project-feature-toggle').click
             wait_for_requests
           end.to change { cluster.reload.enabled }
 
@@ -57,7 +57,7 @@ feature 'Clusters', :js do
           expect_any_instance_of(Clusters::UpdateService).to receive(:execute).and_call_original
           allow_any_instance_of(Clusters::Cluster).to receive(:valid?) { false }
 
-          page.find('.js-toggle-cluster-list').click
+          page.find('.js-project-feature-toggle').click
 
           expect(page).to have_content('Something went wrong on our end.')
           expect(page).to have_selector('.is-checked')
diff --git a/spec/javascripts/clusters/clusters_bundle_spec.js b/spec/javascripts/clusters/clusters_bundle_spec.js
index f5be9ea0fb2..7b38f6b7855 100644
--- a/spec/javascripts/clusters/clusters_bundle_spec.js
+++ b/spec/javascripts/clusters/clusters_bundle_spec.js
@@ -23,16 +23,24 @@ describe('Clusters', () => {
   });
 
   describe('toggle', () => {
-    it('should update the button and the input field on click', () => {
-      cluster.toggleButton.click();
+    it('should update the button and the input field on click', (done) => {
+      const toggleButton = document.querySelector('.js-cluster-enable-toggle-area .js-project-feature-toggle');
+      const toggleInput = document.querySelector('.js-cluster-enable-toggle-area .js-project-feature-toggle-input');
 
-      expect(
-        cluster.toggleButton.classList,
-      ).not.toContain('is-checked');
+      toggleButton.click();
 
-      expect(
-        cluster.toggleInput.getAttribute('value'),
-      ).toEqual('false');
+      getSetTimeoutPromise()
+        .then(() => {
+          expect(
+            toggleButton.classList,
+          ).not.toContain('is-checked');
+
+          expect(
+            toggleInput.getAttribute('value'),
+          ).toEqual('false');
+        })
+        .then(done)
+        .catch(done.fail);
     });
   });
 
diff --git a/spec/javascripts/clusters/clusters_index_spec.js b/spec/javascripts/clusters/clusters_index_spec.js
deleted file mode 100644
index 0a8b63ed5b4..00000000000
--- a/spec/javascripts/clusters/clusters_index_spec.js
+++ /dev/null
@@ -1,58 +0,0 @@
-import MockAdapter from 'axios-mock-adapter';
-import axios from '~/lib/utils/axios_utils';
-import setClusterTableToggles from '~/clusters/clusters_index';
-import { setTimeout } from 'core-js/library/web/timers';
-
-describe('Clusters table', () => {
-  preloadFixtures('clusters/index_cluster.html.raw');
-  let mock;
-
-  beforeEach(() => {
-    loadFixtures('clusters/index_cluster.html.raw');
-    mock = new MockAdapter(axios);
-    setClusterTableToggles();
-  });
-
-  describe('update cluster', () => {
-    it('renders loading state while request is made', () => {
-      const button = document.querySelector('.js-toggle-cluster-list');
-
-      button.click();
-
-      expect(button.classList).toContain('is-loading');
-      expect(button.getAttribute('disabled')).toEqual('true');
-    });
-
-    afterEach(() => {
-      mock.restore();
-    });
-
-    it('shows updated state after sucessfull request', (done) => {
-      mock.onPut().reply(200, {}, {});
-      const button = document.querySelector('.js-toggle-cluster-list');
-      button.click();
-
-      expect(button.classList).toContain('is-loading');
-
-      setTimeout(() => {
-        expect(button.classList).not.toContain('is-loading');
-        expect(button.classList).not.toContain('is-checked');
-        done();
-      }, 0);
-    });
-
-    it('shows inital state after failed request', (done) => {
-      mock.onPut().reply(500, {}, {});
-      const button = document.querySelector('.js-toggle-cluster-list');
-
-      button.click();
-      expect(button.classList).toContain('is-loading');
-
-      setTimeout(() => {
-        expect(button.classList).not.toContain('is-loading');
-        expect(button.classList).toContain('is-checked');
-        done();
-      }, 0);
-    });
-  });
-});
diff --git a/spec/javascripts/fixtures/clusters.rb b/spec/javascripts/fixtures/clusters.rb
index d26ea3febe8..8e74c4f859c 100644
--- a/spec/javascripts/fixtures/clusters.rb
+++ b/spec/javascripts/fixtures/clusters.rb
@@ -31,19 +31,4 @@ describe Projects::ClustersController, '(JavaScript fixtures)', type: :controlle
     expect(response).to be_success
     store_frontend_fixture(response, example.description)
   end
-
-  context 'rendering non-empty state' do
-    before do
-      cluster
-    end
-
-    it 'clusters/index_cluster.html.raw' do |example|
-      get :index,
-        namespace_id: namespace,
-        project_id: project
-
-      expect(response).to be_success
-      store_frontend_fixture(response, example.description)
-    end
-  end
 end
diff --git a/spec/javascripts/toggle_buttons_spec.js b/spec/javascripts/toggle_buttons_spec.js
new file mode 100644
index 00000000000..205e396d682
--- /dev/null
+++ b/spec/javascripts/toggle_buttons_spec.js
@@ -0,0 +1,120 @@
+import setupToggleButtons from '~/toggle_buttons';
+import getSetTimeoutPromise from './helpers/set_timeout_promise_helper';
+
+function generateMarkup(isChecked = true) {
+  return `
+    <button type="button" class="${isChecked ? 'is-checked' : ''} js-project-feature-toggle">
+      <input type="hidden" class="js-project-feature-toggle-input" value="${isChecked}" />
+    </button>
+  `;
+}
+
+function setupFixture(isChecked, clickCallback) {
+  const wrapper = document.createElement('div');
+  wrapper.innerHTML = generateMarkup(isChecked);
+
+  setupToggleButtons(wrapper, clickCallback);
+
+  return wrapper;
+}
+
+describe('ToggleButtons', () => {
+  describe('when input value is true', () => {
+    it('should initialize as checked', () => {
+      const wrapper = setupFixture(true);
+
+      expect(wrapper.querySelector('.js-project-feature-toggle').classList.contains('is-checked')).toEqual(true);
+      expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('true');
+    });
+
+    it('should toggle to unchecked when clicked', (done) => {
+      const wrapper = setupFixture(true);
+      const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
+
+      toggleButton.click();
+
+      getSetTimeoutPromise()
+        .then(() => {
+          expect(toggleButton.classList.contains('is-checked')).toEqual(false);
+          expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('false');
+        })
+        .then(done)
+        .catch(done.fail);
+    });
+  });
+
+  describe('when input value is false', () => {
+    it('should initialize as unchecked', () => {
+      const wrapper = setupFixture(false);
+
+      expect(wrapper.querySelector('.js-project-feature-toggle').classList.contains('is-checked')).toEqual(false);
+      expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('false');
+    });
+
+    it('should toggle to checked when clicked', (done) => {
+      const wrapper = setupFixture(false);
+      const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
+
+      toggleButton.click();
+
+      getSetTimeoutPromise()
+        .then(() => {
+          expect(toggleButton.classList.contains('is-checked')).toEqual(true);
+          expect(wrapper.querySelector('.js-project-feature-toggle-input').value).toEqual('true');
+        })
+        .then(done)
+        .catch(done.fail);
+    });
+  });
+
+  it('should emit `trigger-change` event', (done) => {
+    const changeSpy = jasmine.createSpy('changeEventHandler');
+    const wrapper = setupFixture(false);
+    const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
+    const input = wrapper.querySelector('.js-project-feature-toggle-input');
+
+    $(input).on('trigger-change', changeSpy);
+
+    toggleButton.click();
+
+    getSetTimeoutPromise()
+      .then(() => {
+        expect(changeSpy).toHaveBeenCalled();
+      })
+      .then(done)
+      .catch(done.fail);
+  });
+
+  describe('clickCallback', () => {
+    it('should show loading indicator while waiting', (done) => {
+      const isChecked = true;
+      const clickCallback = (newValue, toggleButton) => {
+        const input = toggleButton.querySelector('.js-project-feature-toggle-input');
+
+        expect(newValue).toEqual(false);
+
+        // Check for the loading state
+        expect(toggleButton.classList.contains('is-checked')).toEqual(false);
+        expect(toggleButton.classList.contains('is-loading')).toEqual(true);
+        expect(toggleButton.disabled).toEqual(true);
+        expect(input.value).toEqual('true');
+
+        // After the callback finishes, check that the loading state is gone
+        getSetTimeoutPromise()
+          .then(() => {
+            expect(toggleButton.classList.contains('is-checked')).toEqual(false);
+            expect(toggleButton.classList.contains('is-loading')).toEqual(false);
+            expect(toggleButton.disabled).toEqual(false);
+            expect(input.value).toEqual('false');
+          })
+          .then(done)
+          .catch(done.fail);
+      };
+
+      const wrapper = setupFixture(isChecked, clickCallback);
+      const toggleButton = wrapper.querySelector('.js-project-feature-toggle');
+
+      toggleButton.click();
+    });
+  });
+});
diff --git a/spec/lib/gitlab/import_export/project.json b/spec/lib/gitlab/import_export/project.json
index 4cf33778d15..b6c1f0c81cb 100644
--- a/spec/lib/gitlab/import_export/project.json
+++ b/spec/lib/gitlab/import_export/project.json
@@ -7096,7 +7096,7 @@
       "project_id": 5,
       "created_at": "2016-06-14T15:01:51.232Z",
       "updated_at": "2016-06-14T15:01:51.232Z",
-      "active": false,
+      "active": true,
       "properties": {
 
       },
diff --git a/spec/lib/gitlab/import_export/project_tree_saver_spec.rb b/spec/lib/gitlab/import_export/project_tree_saver_spec.rb
index 08e5bbbd400..5804c45871e 100644
--- a/spec/lib/gitlab/import_export/project_tree_saver_spec.rb
+++ b/spec/lib/gitlab/import_export/project_tree_saver_spec.rb
@@ -164,6 +164,10 @@ describe Gitlab::ImportExport::ProjectTreeSaver do
         expect(saved_project_json['services'].first['type']).to eq('CustomIssueTrackerService')
       end
 
+      it 'saves the properties for a service' do
+        expect(saved_project_json['services'].first['properties']).to eq('one' => 'value')
+      end
+
       it 'has project feature' do
         project_feature = saved_project_json['project_feature']
         expect(project_feature).not_to be_empty
@@ -279,7 +283,7 @@ describe Gitlab::ImportExport::ProjectTreeSaver do
            commit_id: ci_build.pipeline.sha)
 
     create(:event, :created, target: milestone, project: project, author: user)
-    create(:service, project: project, type: 'CustomIssueTrackerService', category: 'issue_tracker')
+    create(:service, project: project, type: 'CustomIssueTrackerService', category: 'issue_tracker', properties: { one: 'value' })
 
     create(:project_custom_attribute, project: project)
     create(:project_custom_attribute, project: project)
diff --git a/spec/requests/api/issues_spec.rb b/spec/requests/api/issues_spec.rb
index 43218755f4f..13db40d21a5 100644
--- a/spec/requests/api/issues_spec.rb
+++ b/spec/requests/api/issues_spec.rb
@@ -1441,7 +1441,7 @@ describe API::Issues, :mailer do
 
     context 'when source project does not exist' do
       it 'returns 404 when trying to move an issue' do
-        post api("/projects/123/issues/#{issue.iid}/move", user),
+        post api("/projects/12345/issues/#{issue.iid}/move", user),
                  to_project_id: target_project.id
 
         expect(response).to have_gitlab_http_status(404)
@@ -1452,7 +1452,7 @@ describe API::Issues, :mailer do
     context 'when target project does not exist' do
       it 'returns 404 when trying to move an issue' do
         post api("/projects/#{project.id}/issues/#{issue.iid}/move", user),
-                 to_project_id: 123
+                 to_project_id: 12345
 
         expect(response).to have_gitlab_http_status(404)
       end
diff --git a/spec/tasks/gitlab/gitaly_rake_spec.rb b/spec/tasks/gitlab/gitaly_rake_spec.rb
index 6aba86fdc3c..b37d6ac831f 100644
--- a/spec/tasks/gitlab/gitaly_rake_spec.rb
+++ b/spec/tasks/gitlab/gitaly_rake_spec.rb
@@ -76,7 +76,11 @@ describe 'gitlab:gitaly namespace rake task' do
         end
 
         context 'when Rails.env is test' do
-          let(:command) { %w[make BUNDLE_FLAGS=--no-deployment] }
+          let(:command) do
+            %W[make
+               BUNDLE_FLAGS=--no-deployment
+               BUNDLE_PATH=#{Bundler.bundle_path}]
+          end
 
           before do
             allow(Rails.env).to receive(:test?).and_return(true)
diff --git a/spec/workers/repository_import_worker_spec.rb b/spec/workers/repository_import_worker_spec.rb
index 7274a9f00f9..2b1a617ee62 100644
--- a/spec/workers/repository_import_worker_spec.rb
+++ b/spec/workers/repository_import_worker_spec.rb
@@ -49,9 +49,22 @@ describe RepositoryImportWorker do
 
         expect do
           subject.perform(project.id)
-        end.to raise_error(StandardError, error)
+        end.to raise_error(RuntimeError, error)
         expect(project.reload.import_jid).not_to be_nil
       end
+
+      it 'updates the error on Import/Export' do
+        error = %q{remote: Not Found fatal: repository 'https://user:pass@test.com/root/repoC.git/' not found }
+
+        project.update_attributes(import_jid: '123', import_type: 'gitlab_project')
+        expect_any_instance_of(Projects::ImportService).to receive(:execute).and_return({ status: :error, message: error })
+
+        expect do
+          subject.perform(project.id)
+        end.to raise_error(RuntimeError, error)
+
+        expect(project.reload.import_error).not_to be_nil
+      end
     end
 
     context 'when using an asynchronous importer' do