add support for crux linux (#581)

* 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>

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)
 		}