Update contributors

* Add support for Crux Linux (http://crux.nu)

* Update linuxdb.yaml

fix typo

* Update linux.go

fixed comment typo

* Update linuxdb.yaml

fixed more typos

Co-authored-by: Lea Anthony <lea.anthony@gmail.com>

CONTRIBUTORS.md

@@ -41,4 +41,5 @@ Wails is what it is because of the time and effort given by these great people.
   * [Charaf Rezrazi](https://github.com/Rezrazi)
   * [misitebao](https://github.com/misitebao)
   * [Elie Grenon](https://github.com/DrunkenPoney)
-  * [SophieAu](https://github.com/SophieAu)
+  * [SophieAu](https://github.com/SophieAu)
+  * [Alexander Matviychuk](https://github.com/alexmat)

cmd/linux.go

@@ -67,6 +67,8 @@ const (
 	Ctlos
 	// EndeavourOS linux distribution
 	EndeavourOS
+	// Crux linux distribution
+	Crux
 )
 
 // DistroInfo contains all the information relating to a linux distribution
@@ -175,6 +177,8 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		result.Distribution = Solus
 	case "endeavouros":
 		result.Distribution = EndeavourOS
+	case "crux":
+		result.Distribution = Crux
 	default:
 		result.Distribution = Unknown
 	}
@@ -255,6 +259,17 @@ func RpmInstalled(packageName string) (bool, error) {
 	return exitCode == 0, nil
 }
 
+// PrtGetInstalled uses prt-get to see if a package is installed
+func PrtGetInstalled(packageName string) (bool, error) {
+	program := NewProgramHelper()
+	prtget := program.FindProgram("prt-get")
+	if prtget == nil {
+		return false, fmt.Errorf("cannot check dependencies: prt-get not found")
+	}
+	_, _, exitCode, _ := prtget.Run("isinst", packageName)
+	return exitCode == 0, nil
+}
+
 // RequestSupportForDistribution promts the user to submit a request to support their
 // currently unsupported distribution
 func RequestSupportForDistribution(distroInfo *DistroInfo) error {

cmd/linuxdb.yaml

@@ -307,3 +307,22 @@ distributions:
           gccversioncommand: *gccdumpfullversion
           programs: *opensusedefaultprograms
           libraries: *opensusedefaultlibraries
+  crux:
+      id: crux
+      releases:
+        default:
+          version: default
+          name: Crux Linux
+          gccversioncommand: *gccdumpversion
+          programs:
+            - name: gcc
+              help: Please install with `sudo prt-get depinst gcc-c++ make` and try again
+            - name: pkg-config
+              help: Please install with `sudo prt-get depinst pkg-config` and try again
+            - name: npm
+              help: Please install with `sudo prt-get depinst nodejs` and try again
+          libraries:
+            - name: gtk3
+              help: Please install with `sudo prt-get depinst gtk3` and try again
+            - name: webkitgtk
+              help: Please install with `sudo prt-get depinst webkitgtk` and try again

cmd/system.go

@@ -286,6 +286,8 @@ func CheckDependencies(logger *Logger) (bool, error) {
 			libraryChecker = XbpsInstalled
 		case Solus:
 			libraryChecker = EOpkgInstalled
+		case Crux:
+			libraryChecker = PrtGetInstalled
 		default:
 			return false, RequestSupportForDistribution(distroInfo)
 		}

cmd/version.go

@@ -1,4 +1,4 @@
 package cmd
 
 // Version - Wails version
-const Version = "v1.12.0-pre2"
+const Version = "v1.12.0-pre4"

lib/event/manager.go

@@ -18,6 +18,7 @@ type Manager struct {
 	log            *logger.CustomLogger
 	renderer       interfaces.Renderer // Messages will be dispatched to the frontend
 	wg             sync.WaitGroup
+	mu             sync.Mutex
 }
 
 // NewManager creates a new event manager with a 100 event buffer
@@ -136,18 +137,19 @@ func (e *Manager) Start(renderer interfaces.Renderer) {
 					e.log.Error(err.Error())
 				}
 
-				// Notify Go listeners
-				var listenersToRemove int
+				e.mu.Lock()
 
 				// Iterate listeners
 				for _, listener := range e.listeners[event.Name] {
 
-					// Call listener, perhaps with data
-					if event.Data == nil {
-						go listener.callback()
-					} else {
-						unpacked := event.Data.([]interface{})
-						go listener.callback(unpacked...)
+					if !listener.expired {
+						// Call listener, perhaps with data
+						if event.Data == nil {
+							go listener.callback()
+						} else {
+							unpacked := event.Data.([]interface{})
+							go listener.callback(unpacked...)
+						}
 					}
 
 					// Update listen counter
@@ -155,20 +157,12 @@ func (e *Manager) Start(renderer interfaces.Renderer) {
 						listener.counter = listener.counter - 1
 						if listener.counter == 0 {
 							listener.expired = true
-							listenersToRemove++
 						}
 					}
 				}
 
-				// Remove expired listeners in place
-				if listenersToRemove > 0 {
-					listeners := e.listeners[event.Name][:0]
-					for _, listener := range listeners {
-						if !listener.expired {
-							listeners = append(listeners, listener)
-						}
-					}
-				}
+				e.mu.Unlock()
+
 			case <-e.quitChannel:
 				e.running = false
 			}

lib/renderer/webview/webview.go

@@ -353,7 +353,9 @@ func _webviewDispatchGoCallback(index unsafe.Pointer) {
 	f = fns[uintptr(index)]
 	delete(fns, uintptr(index))
 	m.Unlock()
-	f()
+	if f != nil {
+		f()
+	}
 }
 
 //export _webviewExternalInvokeCallback
@@ -369,5 +371,7 @@ func _webviewExternalInvokeCallback(w unsafe.Pointer, data unsafe.Pointer) {
 		}
 	}
 	m.Unlock()
-	cb(wv, C.GoString((*C.char)(data)))
+	if cb != nil {
+		cb(wv, C.GoString((*C.char)(data)))
+	}
 }