Merge branch 'master' into go-go-gadget-webpack

* master: (67 commits)
  Add some API endpoints for time tracking.
  use destructuring syntax instead
  add changelog yml file
  correct User_agent placement in robots.txt
  Fixing typo
  Fix Project#update_repository_size to convert MB to Bytes properly
  Remove repository trait from factories that don't need it in features
  Add the `:repository` trait to `:project` factories in Cucumber steps
  Add a `:repository` trait to the `:empty_project` factory
  Update clipboard_button text: Copy commit SHA to clipboard
  Fix search bar filter dropdown scrollbars
  get rid of log
  fix UI behaviour - only make new calls when button is clicked and dropdown is not displayed
  better UI fix - simple solution
  Disable all cops in .rubocop_todo.yml
  fix spec
  refactored a bunch of stuff based on feedback
  fix serializer
  fix bug retrieving medians
  fix specs
  ...

19 files changed, 512 insertions, 33 deletions

diff --git a/app/assets/javascripts/diff_notes/diff_notes_bundle.js.es6 b/app/assets/javascripts/diff_notes/diff_notes_bundle.js.es6
index 0a25b8f1ccd..f0edfb8aaf1 100644
--- a/app/assets/javascripts/diff_notes/diff_notes_bundle.js.es6
+++ b/app/assets/javascripts/diff_notes/diff_notes_bundle.js.es6
@@ -3,9 +3,6 @@
 /* global ResolveCount */
 
 function requireAll(context) { return context.keys().map(context); }
-
-window.Vue = require('vue');
-window.Vue.use(require('vue-resource'));
 requireAll(require.context('./models',     false, /^\.\/.*\.(js|es6)$/));
 requireAll(require.context('./stores',     false, /^\.\/.*\.(js|es6)$/));
 requireAll(require.context('./services',   false, /^\.\/.*\.(js|es6)$/));
diff --git a/app/assets/javascripts/issuable/issuable_bundle.js.es6 b/app/assets/javascripts/issuable/issuable_bundle.js.es6
new file mode 100644
index 00000000000..e927cc0077c
--- /dev/null
+++ b/app/assets/javascripts/issuable/issuable_bundle.js.es6
@@ -0,0 +1 @@
+require('./time_tracking/time_tracking_bundle');
diff --git a/app/assets/javascripts/issuable/time_tracking/components/collapsed_state.js.es6 b/app/assets/javascripts/issuable/time_tracking/components/collapsed_state.js.es6
new file mode 100644
index 00000000000..bf27fbac5d7
--- /dev/null
+++ b/app/assets/javascripts/issuable/time_tracking/components/collapsed_state.js.es6
@@ -0,0 +1,41 @@
+/* global Vue */
+require('../../../lib/utils/pretty_time');
+
+(() => {
+  Vue.component('time-tracking-collapsed-state', {
+    name: 'time-tracking-collapsed-state',
+    props: [
+      'showComparisonState',
+      'showSpentOnlyState',
+      'showEstimateOnlyState',
+      'showNoTimeTrackingState',
+      'timeSpentHumanReadable',
+      'timeEstimateHumanReadable',
+      'stopwatchSvg',
+    ],
+    methods: {
+      abbreviateTime(timeStr) {
+        return gl.utils.prettyTime.abbreviateTime(timeStr);
+      },
+    },
+    template: `
+      <div class='sidebar-collapsed-icon'>
+        <div v-html='stopwatchSvg'></div>
+        <div class='time-tracking-collapsed-summary'>
+          <div class='compare' v-if='showComparisonState'>
+            <span>{{ abbreviateTime(timeSpentHumanReadable) }} / {{ abbreviateTime(timeEstimateHumanReadable) }}</span>
+          </div>
+          <div class='estimate-only' v-if='showEstimateOnlyState'>
+            <span class='bold'>-- / {{ abbreviateTime(timeEstimateHumanReadable) }}</span>
+          </div>
+          <div class='spend-only' v-if='showSpentOnlyState'>
+            <span class='bold'>{{ abbreviateTime(timeSpentHumanReadable) }} / --</span>
+          </div>
+          <div class='no-tracking' v-if='showNoTimeTrackingState'>
+            <span class='no-value'>None</span>
+          </div>
+        </div>
+      </div>
+      `,
+  });
+})();
diff --git a/app/assets/javascripts/issuable/time_tracking/components/comparison_pane.js.es6 b/app/assets/javascripts/issuable/time_tracking/components/comparison_pane.js.es6
new file mode 100644
index 00000000000..750468c679b
--- /dev/null
+++ b/app/assets/javascripts/issuable/time_tracking/components/comparison_pane.js.es6
@@ -0,0 +1,69 @@
+/* global Vue */
+require('../../../lib/utils/pretty_time');
+
+(() => {
+  const prettyTime = gl.utils.prettyTime;
+
+  Vue.component('time-tracking-comparison-pane', {
+    name: 'time-tracking-comparison-pane',
+    props: [
+      'timeSpent',
+      'timeEstimate',
+      'timeSpentHumanReadable',
+      'timeEstimateHumanReadable',
+    ],
+    computed: {
+      parsedRemaining() {
+        const diffSeconds = this.timeEstimate - this.timeSpent;
+        return prettyTime.parseSeconds(diffSeconds);
+      },
+      timeRemainingHumanReadable() {
+        return prettyTime.stringifyTime(this.parsedRemaining);
+      },
+      timeRemainingTooltip() {
+        const prefix = this.timeRemainingMinutes < 0 ? 'Over by' : 'Time remaining:';
+        return `${prefix} ${this.timeRemainingHumanReadable}`;
+      },
+      /* Diff values for comparison meter */
+      timeRemainingMinutes() {
+        return this.timeEstimate - this.timeSpent;
+      },
+      timeRemainingPercent() {
+        return `${Math.floor((this.timeSpent / this.timeEstimate) * 100)}%`;
+      },
+      timeRemainingStatusClass() {
+        return this.timeEstimate >= this.timeSpent ? 'within_estimate' : 'over_estimate';
+      },
+      /* Parsed time values */
+      parsedEstimate() {
+        return prettyTime.parseSeconds(this.timeEstimate);
+      },
+      parsedSpent() {
+        return prettyTime.parseSeconds(this.timeSpent);
+      },
+    },
+    template: `
+      <div class='time-tracking-comparison-pane'>
+        <div class='compare-meter' data-toggle='tooltip' data-placement='top' role='timeRemainingDisplay'
+          :aria-valuenow='timeRemainingTooltip'
+          :title='timeRemainingTooltip'
+          :data-original-title='timeRemainingTooltip'
+          :class='timeRemainingStatusClass'>
+          <div class='meter-container' role='timeSpentPercent' :aria-valuenow='timeRemainingPercent'>
+            <div :style='{ width: timeRemainingPercent }' class='meter-fill'></div>
+          </div>
+          <div class='compare-display-container'>
+            <div class='compare-display pull-left'>
+              <span class='compare-label'>Spent</span>
+              <span class='compare-value spent'>{{ timeSpentHumanReadable }}</span>
+            </div>
+            <div class='compare-display estimated pull-right'>
+              <span class='compare-label'>Est</span>
+              <span class='compare-value'>{{ timeEstimateHumanReadable }}</span>
+            </div>
+          </div>
+        </div>
+      </div>
+    `,
+  });
+})();
diff --git a/app/assets/javascripts/issuable/time_tracking/components/estimate_only_pane.js.es6 b/app/assets/javascripts/issuable/time_tracking/components/estimate_only_pane.js.es6
new file mode 100644
index 00000000000..309e9f2f9ef
--- /dev/null
+++ b/app/assets/javascripts/issuable/time_tracking/components/estimate_only_pane.js.es6
@@ -0,0 +1,13 @@
+/* global Vue */
+(() => {
+  Vue.component('time-tracking-estimate-only-pane', {
+    name: 'time-tracking-estimate-only-pane',
+    props: ['timeEstimateHumanReadable'],
+    template: `
+      <div class='time-tracking-estimate-only-pane'>
+        <span class='bold'>Estimated:</span>
+        {{ timeEstimateHumanReadable }}
+      </div>
+    `,
+  });
+})();
diff --git a/app/assets/javascripts/issuable/time_tracking/components/help_state.js.es6 b/app/assets/javascripts/issuable/time_tracking/components/help_state.js.es6
new file mode 100644
index 00000000000..d7ced6d7151
--- /dev/null
+++ b/app/assets/javascripts/issuable/time_tracking/components/help_state.js.es6
@@ -0,0 +1,24 @@
+/* global Vue */
+(() => {
+  Vue.component('time-tracking-help-state', {
+    name: 'time-tracking-help-state',
+    props: ['docsUrl'],
+    template: `
+      <div class='time-tracking-help-state'>
+        <div class='time-tracking-info'>
+          <h4>Track time with slash commands</h4>
+          <p>Slash commands can be used in the issues description and comment boxes.</p>
+          <p>
+            <code>/estimate</code>
+            will update the estimated time with the latest command.
+          </p>
+          <p>
+            <code>/spend</code>
+            will update the sum of the time spent.
+          </p>
+          <a class='btn btn-default learn-more-button' :href='docsUrl'>Learn more</a>
+        </div>
+      </div>
+    `,
+  });
+})();
diff --git a/app/assets/javascripts/issuable/time_tracking/components/no_tracking_pane.js.es6 b/app/assets/javascripts/issuable/time_tracking/components/no_tracking_pane.js.es6
new file mode 100644
index 00000000000..1d2ca643b5b
--- /dev/null
+++ b/app/assets/javascripts/issuable/time_tracking/components/no_tracking_pane.js.es6
@@ -0,0 +1,11 @@
+/* global Vue */
+(() => {
+  Vue.component('time-tracking-no-tracking-pane', {
+    name: 'time-tracking-no-tracking-pane',
+    template: `
+      <div class='time-tracking-no-tracking-pane'>
+        <span class='no-value'>No estimate or time spent</span>
+      </div>
+    `,
+  });
+})();
diff --git a/app/assets/javascripts/issuable/time_tracking/components/spent_only_pane.js.es6 b/app/assets/javascripts/issuable/time_tracking/components/spent_only_pane.js.es6
new file mode 100644
index 00000000000..ed283fec3c3
--- /dev/null
+++ b/app/assets/javascripts/issuable/time_tracking/components/spent_only_pane.js.es6
@@ -0,0 +1,13 @@
+/* global Vue */
+(() => {
+  Vue.component('time-tracking-spent-only-pane', {
+    name: 'time-tracking-spent-only-pane',
+    props: ['timeSpentHumanReadable'],
+    template: `
+      <div class='time-tracking-spend-only-pane'>
+        <span class='bold'>Spent:</span>
+        {{ timeSpentHumanReadable }}
+      </div>
+    `,
+  });
+})();
diff --git a/app/assets/javascripts/issuable/time_tracking/components/time_tracker.js.es6 b/app/assets/javascripts/issuable/time_tracking/components/time_tracker.js.es6
new file mode 100644
index 00000000000..e38f7852b1c
--- /dev/null
+++ b/app/assets/javascripts/issuable/time_tracking/components/time_tracker.js.es6
@@ -0,0 +1,119 @@
+/* global Vue */
+
+require('./help_state');
+require('./collapsed_state');
+require('./spent_only_pane');
+require('./no_tracking_pane');
+require('./estimate_only_pane');
+require('./comparison_pane');
+
+(() => {
+  Vue.component('issuable-time-tracker', {
+    name: 'issuable-time-tracker',
+    props: [
+      'time_estimate',
+      'time_spent',
+      'human_time_estimate',
+      'human_time_spent',
+      'stopwatchSvg',
+      'docsUrl',
+    ],
+    data() {
+      return {
+        showHelp: false,
+      };
+    },
+    computed: {
+      timeSpent() {
+        return this.time_spent;
+      },
+      timeEstimate() {
+        return this.time_estimate;
+      },
+      timeEstimateHumanReadable() {
+        return this.human_time_estimate;
+      },
+      timeSpentHumanReadable() {
+        return this.human_time_spent;
+      },
+      hasTimeSpent() {
+        return !!this.timeSpent;
+      },
+      hasTimeEstimate() {
+        return !!this.timeEstimate;
+      },
+      showComparisonState() {
+        return this.hasTimeEstimate && this.hasTimeSpent;
+      },
+      showEstimateOnlyState() {
+        return this.hasTimeEstimate && !this.hasTimeSpent;
+      },
+      showSpentOnlyState() {
+        return this.hasTimeSpent && !this.hasTimeEstimate;
+      },
+      showNoTimeTrackingState() {
+        return !this.hasTimeEstimate && !this.hasTimeSpent;
+      },
+      showHelpState() {
+        return !!this.showHelp;
+      },
+    },
+    methods: {
+      toggleHelpState(show) {
+        this.showHelp = show;
+      },
+    },
+    template: `
+      <div class='time_tracker time-tracking-component-wrap' v-cloak>
+        <time-tracking-collapsed-state
+          :show-comparison-state='showComparisonState'
+          :show-help-state='showHelpState'
+          :show-spent-only-state='showSpentOnlyState'
+          :show-estimate-only-state='showEstimateOnlyState'
+          :time-spent-human-readable='timeSpentHumanReadable'
+          :time-estimate-human-readable='timeEstimateHumanReadable'
+          :stopwatch-svg='stopwatchSvg'>
+        </time-tracking-collapsed-state>
+        <div class='title hide-collapsed'>
+          Time tracking
+          <div class='help-button pull-right'
+            v-if='!showHelpState'
+            @click='toggleHelpState(true)'>
+            <i class='fa fa-question-circle'></i>
+          </div>
+          <div class='close-help-button pull-right'
+            v-if='showHelpState'
+            @click='toggleHelpState(false)'>
+            <i class='fa fa-close'></i>
+          </div>
+        </div>
+        <div class='time-tracking-content hide-collapsed'>
+          <time-tracking-estimate-only-pane
+            v-if='showEstimateOnlyState'
+            :time-estimate-human-readable='timeEstimateHumanReadable'>
+          </time-tracking-estimate-only-pane>
+          <time-tracking-spent-only-pane
+            v-if='showSpentOnlyState'
+            :time-spent-human-readable='timeSpentHumanReadable'>
+          </time-tracking-spent-only-pane>
+          <time-tracking-no-tracking-pane
+            v-if='showNoTimeTrackingState'>
+          </time-tracking-no-tracking-pane>
+          <time-tracking-comparison-pane
+            v-if='showComparisonState'
+            :time-estimate='timeEstimate'
+            :time-spent='timeSpent'
+            :time-spent-human-readable='timeSpentHumanReadable'
+            :time-estimate-human-readable='timeEstimateHumanReadable'>
+          </time-tracking-comparison-pane>
+          <transition name='help-state-toggle'>
+            <time-tracking-help-state
+              v-if='showHelpState'
+              :docs-url='docsUrl'>
+            </time-tracking-help-state>
+          </transition>
+        </div>
+      </div>
+    `,
+  });
+})();
diff --git a/app/assets/javascripts/issuable/time_tracking/time_tracking_bundle.js.es6 b/app/assets/javascripts/issuable/time_tracking/time_tracking_bundle.js.es6
new file mode 100644
index 00000000000..1ca01d3bdb9
--- /dev/null
+++ b/app/assets/javascripts/issuable/time_tracking/time_tracking_bundle.js.es6
@@ -0,0 +1,62 @@
+/* global Vue */
+
+require('./components/time_tracker');
+require('../../smart_interval');
+require('../../subbable_resource');
+
+(() => {
+  /* This Vue instance represents what will become the parent instance for the
+    * sidebar. It will be responsible for managing `issuable` state and propagating
+    * changes to sidebar components. We will want to create a separate service to
+    * interface with the server at that point.
+   */
+
+  class IssuableTimeTracking {
+    constructor(issuableJSON) {
+      const parsedIssuable = JSON.parse(issuableJSON);
+      return this.initComponent(parsedIssuable);
+    }
+
+    initComponent(parsedIssuable) {
+      this.parentInstance = new Vue({
+        el: '#issuable-time-tracker',
+        data: {
+          issuable: parsedIssuable,
+        },
+        methods: {
+          fetchIssuable() {
+            return gl.IssuableResource.get.call(gl.IssuableResource, {
+              type: 'GET',
+              url: gl.IssuableResource.endpoint,
+            });
+          },
+          updateState(data) {
+            this.issuable = data;
+          },
+          subscribeToUpdates() {
+            gl.IssuableResource.subscribe(data => this.updateState(data));
+          },
+          listenForSlashCommands() {
+            $(document).on('ajax:success', '.gfm-form', (e, data) => {
+              const subscribedCommands = ['spend_time', 'time_estimate'];
+              const changedCommands = data.commands_changes;
+
+              if (changedCommands && _.intersection(subscribedCommands, changedCommands).length) {
+                this.fetchIssuable();
+              }
+            });
+          },
+        },
+        created() {
+          this.fetchIssuable();
+        },
+        mounted() {
+          this.subscribeToUpdates();
+          this.listenForSlashCommands();
+        },
+      });
+    }
+  }
+
+  gl.IssuableTimeTracking = IssuableTimeTracking;
+})(window.gl || (window.gl = {}));
diff --git a/app/assets/javascripts/lib/utils/pretty_time.js.es6 b/app/assets/javascripts/lib/utils/pretty_time.js.es6
index ccaf447eb0b..ae397212e55 100644
--- a/app/assets/javascripts/lib/utils/pretty_time.js.es6
+++ b/app/assets/javascripts/lib/utils/pretty_time.js.es6
@@ -4,13 +4,13 @@
    * stringifyTime condensed or non-condensed, abbreviateTimelengths)
    * */
 
-  class PrettyTime {
-
+  const utils = window.gl.utils = gl.utils || {};
+  const prettyTime = utils.prettyTime = {
     /*
      * Accepts seconds and returns a timeObject { weeks: #, days: #, hours: #, minutes: # }
      * Seconds can be negative or positive, zero or non-zero.
     */
-    static parseSeconds(seconds) {
+    parseSeconds(seconds) {
       const DAYS_PER_WEEK = 5;
       const HOURS_PER_DAY = 8;
       const MINUTES_PER_HOUR = 60;
@@ -24,7 +24,7 @@
         minutes: 1,
       };
 
-      let unorderedMinutes = PrettyTime.secondsToMinutes(seconds);
+      let unorderedMinutes = prettyTime.secondsToMinutes(seconds);
 
       return _.mapObject(timePeriodConstraints, (minutesPerPeriod) => {
         const periodCount = Math.floor(unorderedMinutes / minutesPerPeriod);
@@ -33,35 +33,33 @@
 
         return periodCount;
       });
-    }
+    },
 
     /*
     * Accepts a timeObject and returns a condensed string representation of it
     * (e.g. '1w 2d 3h 1m' or '1h 30m'). Zero value units are not included.
     */
 
-    static stringifyTime(timeObject) {
+    stringifyTime(timeObject) {
       const reducedTime = _.reduce(timeObject, (memo, unitValue, unitName) => {
         const isNonZero = !!unitValue;
         return isNonZero ? `${memo} ${unitValue}${unitName.charAt(0)}` : memo;
       }, '').trim();
       return reducedTime.length ? reducedTime : '0m';
-    }
+    },
 
     /*
     * Accepts a time string of any size (e.g. '1w 2d 3h 5m' or '1w 2d') and returns
     *  the first non-zero unit/value pair.
     */
 
-    static abbreviateTime(timeStr) {
+    abbreviateTime(timeStr) {
       return timeStr.split(' ')
         .filter(unitStr => unitStr.charAt(0) !== '0')[0];
-    }
+    },
 
-    static secondsToMinutes(seconds) {
+    secondsToMinutes(seconds) {
       return Math.abs(seconds / 60);
-    }
-  }
-
-  gl.PrettyTime = PrettyTime;
+    },
+  };
 })(window.gl || (window.gl = {}));
diff --git a/app/assets/javascripts/lib/vue_resource.js.es6 b/app/assets/javascripts/lib/vue_resource.js.es6
new file mode 100644
index 00000000000..49babdea2e1
--- /dev/null
+++ b/app/assets/javascripts/lib/vue_resource.js.es6
@@ -0,0 +1,2 @@
+window.Vue = require('vue');
+window.Vue.use(require('vue-resource'));
diff --git a/app/assets/javascripts/notes.js b/app/assets/javascripts/notes.js
index 148d2382bb0..586c015bfc8 100644
--- a/app/assets/javascripts/notes.js
+++ b/app/assets/javascripts/notes.js
@@ -3,6 +3,7 @@
 /* global GLForm */
 /* global Autosave */
 /* global ResolveService */
+/* global mrRefreshWidgetUrl */
 
 require('./autosave');
 window.autosize = require('vendor/autosize');
@@ -245,6 +246,16 @@ require('vendor/task_list');
     };
 
 
+    Notes.prototype.handleCreateChanges = function(note) {
+      if (typeof note === 'undefined') {
+        return;
+      }
+
+      if (note.commands_changes && note.commands_changes.indexOf('merge') !== -1) {
+        $.get(mrRefreshWidgetUrl);
+      }
+    };
+
     /*
     Render note in main comments area.
 
@@ -430,6 +441,7 @@ require('vendor/task_list');
      */
 
     Notes.prototype.addNote = function(xhr, note, status) {
+      this.handleCreateChanges(note);
       return this.renderNote(note);
     };
 
diff --git a/app/assets/javascripts/vue_pipelines_index/stage.js.es6 b/app/assets/javascripts/vue_pipelines_index/stage.js.es6
index f075a995846..32973132174 100644
--- a/app/assets/javascripts/vue_pipelines_index/stage.js.es6
+++ b/app/assets/javascripts/vue_pipelines_index/stage.js.es6
@@ -5,18 +5,19 @@
   gl.VueStage = Vue.extend({
     data() {
       return {
-        count: 0,
         builds: '',
         spinner: '<span class="fa fa-spinner fa-spin"></span>',
       };
     },
     props: ['stage', 'svgs', 'match'],
     methods: {
-      fetchBuilds() {
-        if (this.count > 0) return null;
+      fetchBuilds(e) {
+        const areaExpanded = e.currentTarget.attributes['aria-expanded'];
+
+        if (areaExpanded && (areaExpanded.textContent === 'true')) return null;
+
         return this.$http.get(this.stage.dropdown_path)
           .then((response) => {
-            this.count += 1;
             this.builds = JSON.parse(response.body).html;
           }, () => {
             const flash = new Flash('Something went wrong on our end.');
@@ -39,7 +40,7 @@
         return `has-tooltip ci-status-icon ci-status-icon-${this.stage.status.group}`;
       },
       svg() {
-        const icon = this.stage.status.icon;
+        const { icon } = this.stage.status;
         const stageIcon = icon.replace(/icon/i, 'stage_icon');
         return this.svgs[this.match(stageIcon)];
       },
@@ -50,18 +51,25 @@
     template: `
       <div>
         <button
-          @click='fetchBuilds'
+          @click='fetchBuilds($event)'
           :class="triggerButtonClass"
           :title='stage.title'
           data-placement="top"
           data-toggle="dropdown"
-          type="button">
+          type="button"
+        >
           <span v-html="svg"></span>
           <i class="fa fa-caret-down "></i>
         </button>
         <ul class="dropdown-menu mini-pipeline-graph-dropdown-menu js-builds-dropdown-container">
           <div class="arrow-up"></div>
-          <div :class="dropdownClass" class="js-builds-dropdown-list scrollable-menu" v-html="buildsOrSpinner"></div>
+          <div
+            @click=''
+            :class="dropdownClass"
+            class="js-builds-dropdown-list scrollable-menu"
+            v-html="buildsOrSpinner"
+          >
+          </div>
         </ul>
       </div>
     `,
diff --git a/app/assets/stylesheets/framework/filters.scss b/app/assets/stylesheets/framework/filters.scss
index fee38b05023..d957ec64654 100644
--- a/app/assets/stylesheets/framework/filters.scss
+++ b/app/assets/stylesheets/framework/filters.scss
@@ -76,7 +76,7 @@
 
 .filter-dropdown {
   max-height: 215px;
-  overflow-x: scroll;
+  overflow: auto;
 }
 
 .filter-dropdown-item {
@@ -86,7 +86,7 @@
     text-align: left;
     padding: 8px 16px;
     text-overflow: ellipsis;
-    overflow-y: hidden;
+    overflow: hidden;
     border-radius: 0;
 
     .fa {
diff --git a/app/assets/stylesheets/framework/sidebar.scss b/app/assets/stylesheets/framework/sidebar.scss
index 838f5442fff..f0b03710c79 100644
--- a/app/assets/stylesheets/framework/sidebar.scss
+++ b/app/assets/stylesheets/framework/sidebar.scss
@@ -236,9 +236,13 @@ header.header-sidebar-pinned {
   @media (min-width: $screen-md-min) {
     padding-right: $gutter_width;
 
-    .merge-request-tabs-holder.affix {
+    &:not(.with-overlay) .merge-request-tabs-holder.affix {
       right: $gutter_width;
     }
+
+    &.with-overlay .merge-request-tabs-holder.affix {
+      right: $sidebar_collapsed_width;
+    }
   }
 
   &.with-overlay {
diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index 349cd9c189e..07cb669a46e 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -5,7 +5,7 @@ $sidebar_collapsed_width: 62px;
 $sidebar_width: 220px;
 $gutter_collapsed_width: 62px;
 $gutter_width: 290px;
-$gutter_inner_width: 258px;
+$gutter_inner_width: 250px;
 $sidebar-transition-duration: .15s;
 $sidebar-breakpoint: 1024px;
 
@@ -56,6 +56,7 @@ $black-transparent: rgba(0, 0, 0, 0.3);
 $border-white-light: darken($white-light, $darken-border-factor);
 $border-white-normal: darken($white-normal, $darken-border-factor);
 
+$border-gray-light: darken($gray-light, $darken-border-factor);
 $border-gray-normal: darken($gray-normal, $darken-border-factor);
 $border-gray-dark: darken($white-normal, $darken-border-factor);
 
@@ -85,6 +86,7 @@ $warning-message-border: #f0e2bb;
  */
 $border-color: #e5e5e5;
 $focus-border-color: #3aabf0;
+$sidebar-collapsed-icon-color: #999;
 $well-expand-item: #e8f2f7;
 $well-inner-border: #eef0f2;
 $well-light-border: #f1f1f1;
@@ -280,6 +282,7 @@ $dropdown-hover-color: #3b86ff;
 */
 $btn-active-gray: #ececec;
 $btn-active-gray-light: e4e7ed;
+$btn-white-active: #848484;
 
 /*
 * Badges
@@ -433,6 +436,7 @@ $help-shortcut-header-color: #333;
 */
 $issues-today-bg: #f3fff2;
 $issues-today-border: #e1e8d5;
+$compare-display-color: #888;
 
 /*
 * jQuery UI
diff --git a/app/assets/stylesheets/pages/issuable.scss b/app/assets/stylesheets/pages/issuable.scss
index 0ae5dc5c537..324c6cec96a 100644
--- a/app/assets/stylesheets/pages/issuable.scss
+++ b/app/assets/stylesheets/pages/issuable.scss
@@ -473,3 +473,102 @@
     }
   }
 }
+
+.time_tracker {
+  padding-bottom: 0;
+  border-bottom: 0;
+
+
+  .sidebar-collapsed-icon {
+
+    > .stopwatch-svg {
+      display: inline-block;
+    }
+
+    svg {
+      width: 16px;
+      height: 16px;
+      fill: $sidebar-collapsed-icon-color;
+    }
+
+    &:hover svg {
+      fill: $gl-text-color;
+    }
+  }
+
+  .help-button,
+  .close-help-button {
+    cursor: pointer;
+  }
+
+  .compare-meter {
+    &.within_estimate {
+      .meter-fill {
+        background: $gl-primary;
+      }
+    }
+
+    &.over_estimate {
+      .meter-fill {
+        background: $red-light;
+      }
+
+      .time-remaining,
+      .compare-value.spent {
+        color: $red-light;
+      }
+    }
+  }
+
+  .meter-container {
+    background: $border-gray-light;
+    border-radius: 3px;
+
+    .meter-fill {
+      max-width: 100%;
+      height: 5px;
+      border-radius: 3px;
+      background: $gl-primary;
+    }
+  }
+
+  .compare-display-container {
+    display: flex;
+    justify-content: space-between;
+    margin-top: 5px;
+
+    .compare-display {
+      font-size: 13px;
+      color: $compare-display-color;
+
+      .compare-value {
+        color: $gl-text-color;
+      }
+    }
+  }
+
+  .time-tracking-help-state {
+    background: $white-light;
+    margin: 16px -20px 0;
+    padding: 16px 20px;
+    border-top: 1px solid $border-gray-light;
+    border-bottom: 1px solid $border-gray-light;
+
+    a:hover {
+      color: $btn-white-active;
+    }
+  }
+
+  .help-state-toggle-enter-active {
+    transition: all .8s ease;
+  }
+
+  .help-state-toggle-leave-active {
+    transition: all .5s ease;
+  }
+
+  .help-state-toggle-enter,
+  .help-state-toggle-leave-active {
+    opacity: 0;
+  }
+}
diff --git a/app/assets/stylesheets/pages/pipelines.scss b/app/assets/stylesheets/pages/pipelines.scss
index 8861315d776..8dff22e32bd 100644
--- a/app/assets/stylesheets/pages/pipelines.scss
+++ b/app/assets/stylesheets/pages/pipelines.scss
@@ -44,8 +44,8 @@
 
     .pipeline-info,
     .pipeline-commit,
-    .pipeline-actions,
-    .pipeline-stages {
+    .pipeline-stages,
+    .pipeline-actions {
       width: 20%;
     }
   }
@@ -185,6 +185,7 @@
 
   .stage-cell {
     font-size: 0;
+    padding: 10px 4px;
 
     > .stage-container > div > button > span > svg,
     > .stage-container > button > svg {
@@ -202,8 +203,8 @@
       position: relative;
       margin-right: 6px;
 
-      .tooltip {
-        white-space: nowrap;
+      .tooltip-inner {
+        padding: 3px 4px;
       }
 
       &:not(:last-child) {
@@ -348,6 +349,7 @@
   padding: $gl-padding;
   white-space: nowrap;
   transition: max-height 0.3s, padding 0.3s;
+  overflow: auto;
 
   .stage-column-list,
   .builds-container > ul {