Allow discarding all local changes to the password store repo

- Settings > Advanced -> Discard All Local Changes

pass/Base.lproj/Main.storyboard

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12106.1" systemVersion="16E175b" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="YoR-iB-XAd">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11762" systemVersion="16D32" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="YoR-iB-XAd">
     <device id="retina5_5" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12074.1"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11757"/>
         <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -331,10 +331,10 @@
                             <tableViewSection headerTitle="Git Repository URL" id="pbe-W6-w4V">
                                 <cells>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" reuseIdentifier="gitRepositoryURLTabelViewCell" rowHeight="52" id="FRr-pf-aPO">
-                                        <rect key="frame" x="0.0" y="55.5" width="414" height="52"/>
+                                        <rect key="frame" x="0.0" y="55" width="414" height="52"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="FRr-pf-aPO" id="60A-PS-qGe">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="52"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="51"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" placeholder="Git Repository URL" textAlignment="natural" minimumFontSize="17" clearButtonMode="whileEditing" translatesAutoresizingMaskIntoConstraints="NO" id="EVT-VU-sCi">
@@ -357,10 +357,10 @@
                             <tableViewSection headerTitle="Username" id="fRu-A2-SCk">
                                 <cells>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" reuseIdentifier="usernameTableVIewCell" rowHeight="52" id="tnj-5U-kMB">
-                                        <rect key="frame" x="0.0" y="163.5" width="414" height="52"/>
+                                        <rect key="frame" x="0.0" y="163" width="414" height="52"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="tnj-5U-kMB" id="f0c-pI-MSJ">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="52"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="51"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" placeholder="Username" textAlignment="natural" minimumFontSize="17" clearButtonMode="whileEditing" translatesAutoresizingMaskIntoConstraints="NO" id="TMg-Gk-7nG">
@@ -383,10 +383,10 @@
                             <tableViewSection headerTitle="Authentication Method" id="h0N-tI-shZ">
                                 <cells>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="blue" hidesAccessoryWhenEditing="NO" indentationLevel="2" indentationWidth="0.0" shouldIndentWhileEditing="NO" id="KrP-nb-haa">
-                                        <rect key="frame" x="0.0" y="271.5" width="414" height="44"/>
+                                        <rect key="frame" x="0.0" y="271" width="414" height="44"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="KrP-nb-haa" id="1uB-oE-kfI">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="44"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="43"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Password" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="LfQ-Af-j2O">
@@ -414,10 +414,10 @@
                                         <inset key="separatorInset" minX="62" minY="0.0" maxX="0.0" maxY="0.0"/>
                                     </tableViewCell>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="blue" accessoryType="detailButton" hidesAccessoryWhenEditing="NO" indentationLevel="2" indentationWidth="0.0" shouldIndentWhileEditing="NO" id="Qmt-bo-CuJ">
-                                        <rect key="frame" x="0.0" y="315.5" width="414" height="44"/>
+                                        <rect key="frame" x="0.0" y="315" width="414" height="44"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="Qmt-bo-CuJ" id="p3u-8b-h3U">
-                                            <rect key="frame" x="0.0" y="0.0" width="367" height="44"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="367" height="43"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="SSH Key" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Ezz-76-a53">
@@ -494,7 +494,7 @@
                                         <rect key="frame" x="0.0" y="35" width="414" height="52"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="BYZ-9g-xZy" id="Zfn-rK-sN1">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="51.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="52"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Public Key URL" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="dWi-eh-7Eq">
@@ -524,7 +524,7 @@
                                         <rect key="frame" x="0.0" y="87" width="414" height="52"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="vpk-J8-j7t" id="1td-qT-6ts">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="51.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="52"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Private Key URL" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Qht-RC-Yeg">
@@ -779,7 +779,7 @@
                                         <rect key="frame" x="0.0" y="35" width="414" height="52"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="Jy1-4S-Lvf" id="tJE-ww-okf">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="51.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="52"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Public Key URL" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Oys-xP-ZrB">
@@ -809,7 +809,7 @@
                                         <rect key="frame" x="0.0" y="87" width="414" height="52"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="MA5-lE-8dT" id="pTv-Wj-psC">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="51.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="52"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Private Key URL" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="C2w-dd-roS">
@@ -839,7 +839,7 @@
                                         <rect key="frame" x="0.0" y="139" width="414" height="52"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="yER-vT-YTO" id="Mip-zw-xLu">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="51.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="52"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Passphrase" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Rnj-2x-ksO">
@@ -951,6 +951,23 @@
                                             </subviews>
                                         </tableViewCellContentView>
                                     </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" textLabel="Jwg-mt-woS" style="IBUITableViewCellStyleDefault" id="tHt-Ro-0HF" userLabel="Discard Changes Table View Cell">
+                                        <rect key="frame" x="0.0" y="79" width="414" height="44"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="tHt-Ro-0HF" id="Epj-ei-NtS">
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="43.666666666666664"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Discard All Local Changes" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="Jwg-mt-woS">
+                                                    <rect key="frame" x="15" y="0.0" width="384" height="43.666666666666664"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                                    <color key="textColor" red="0.50196081400000003" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                            </subviews>
+                                        </tableViewCellContentView>
+                                    </tableViewCell>
                                 </cells>
                             </tableViewSection>
                         </sections>
@@ -960,6 +977,7 @@
                         </connections>
                     </tableView>
                     <connections>
+                        <outlet property="discardChangesTableViewCell" destination="tHt-Ro-0HF" id="E7G-0v-MBB"/>
                         <outlet property="eraseDataTableViewCell" destination="NI1-Kd-hyH" id="NtJ-f4-oxb"/>
                     </connections>
                 </tableViewController>
@@ -1079,7 +1097,7 @@
                                         <rect key="frame" x="0.0" y="35" width="414" height="170"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="Pv0-ev-stj" id="ywz-II-W1g">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="169.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="170"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <textView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" bounces="NO" scrollEnabled="NO" showsHorizontalScrollIndicator="NO" showsVerticalScrollIndicator="NO" delaysContentTouches="NO" canCancelContentTouches="NO" bouncesZoom="NO" editable="NO" usesAttributedText="YES" selectable="NO" translatesAutoresizingMaskIntoConstraints="NO" id="xzQ-5d-kdL">
@@ -1137,7 +1155,7 @@
                                         <rect key="frame" x="0.0" y="261" width="414" height="160"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="Lom-iT-l16" id="eya-Tv-r0q">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="159.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="160"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <textView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="oyB-oI-1fS">
@@ -1193,7 +1211,7 @@ pfZ36xQbOAQYKKf6ZTT5R/Y=
                                         <rect key="frame" x="0.0" y="477" width="414" height="160"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="J8U-ev-FRQ" id="eb0-vb-Fcc">
-                                            <rect key="frame" x="0.0" y="0.0" width="414" height="159.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="414" height="160"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <textView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="lrQ-Ln-ZOv">

pass/Controllers/AdvancedSettingsTableViewController.swift

@@ -12,6 +12,8 @@ import SVProgressHUD
 class AdvancedSettingsTableViewController: UITableViewController {
 
     @IBOutlet weak var eraseDataTableViewCell: UITableViewCell!
+    @IBOutlet weak var discardChangesTableViewCell: UITableViewCell!
+    
     override func viewDidLoad() {
         super.viewDidLoad()
     }
@@ -31,6 +33,31 @@ class AdvancedSettingsTableViewController: UITableViewController {
             alert.addAction(UIAlertAction(title: "Dismiss", style: UIAlertActionStyle.cancel, handler:nil))
             self.present(alert, animated: true, completion: nil)
             tableView.deselectRow(at: indexPath, animated: true)
+        } else if tableView.cellForRow(at: indexPath) == discardChangesTableViewCell {
+            let alert = UIAlertController(title: "Discard All Changes?", message: "Do you want to permanently discard all changes to the local copy of your password data? You cannot undo this action.", preferredStyle: UIAlertControllerStyle.alert)
+            alert.addAction(UIAlertAction(title: "Discard All Changesa", style: UIAlertActionStyle.destructive, handler: {[unowned self] (action) -> Void in
+                DispatchQueue.global(qos: .userInitiated).async {
+                    SVProgressHUD.show(withStatus: "Resetting ...")
+                    DispatchQueue.main.async {
+                        do {
+                            try PasswordStore.shared.reset()
+                            NotificationCenter.default.post(Notification(name: Notification.Name("passwordStoreChangeDiscarded")))
+                            self.navigationController!.popViewController(animated: true)
+                            SVProgressHUD.showSuccess(withStatus: "Done")
+                            SVProgressHUD.dismiss(withDelay: 1)
+                        } catch {
+                            DispatchQueue.main.async {
+                                SVProgressHUD.showError(withStatus: error.localizedDescription)
+                                SVProgressHUD.dismiss(withDelay: 1)
+                            }
+                        }
+                    }
+                }
+                
+            }))
+            alert.addAction(UIAlertAction(title: "Dismiss", style: UIAlertActionStyle.cancel, handler:nil))
+            self.present(alert, animated: true, completion: nil)
+            tableView.deselectRow(at: indexPath, animated: true)
         }
     }
 

pass/Models/PasswordStore.swift

@@ -604,4 +604,34 @@ class PasswordStore {
         Defaults.removeAll()
         storeRepository = nil
     }
+    
+    func reset() throws {
+        // get the remote origin/master branch
+        guard let remoteBranches = try storeRepository?.remoteBranches(),
+            let index = remoteBranches.index(where: { $0.shortName == "master" })
+            else {
+                throw NSError(domain: "me.mssun.pass.error", code: 1, userInfo: [NSLocalizedDescriptionKey: "Cannot find remote branch origin/master."])
+        }
+        let remoteMasterBranch = remoteBranches[index]
+        //print("remoteMasterBranch \(remoteMasterBranch)")
+        
+        // get a list of local commits
+        if let localCommits = try storeRepository?.localCommitsRelative(toRemoteBranch: remoteMasterBranch),
+            localCommits.count > 0 {
+            //print("PasswordStore.reset: \(localCommits.count)")
+            // get the first local commit
+            guard let firstLocalCommit = localCommits.first,
+                firstLocalCommit.parents.count == 1,
+                let newHead = firstLocalCommit.parents.first else {
+                    throw NSError(domain: "me.mssun.pass.error", code: 1, userInfo: [NSLocalizedDescriptionKey: "Cannot decide how to reset."])
+            }
+            try self.storeRepository?.reset(to: newHead, resetType: GTRepositoryResetType.hard)
+            self.updatePasswordEntityCoreData()
+            NotificationCenter.default.post(Notification(name: Notification.Name("passwordUpdated")))
+            self.setAllSynced()
+        } else {
+            //print("PasswordStore.reset: no new commit")
+            return;  // no new commit
+        }
+    }
 }