fixes for windows

bitbucket-pipelines.yml

@@ -1,21 +0,0 @@
-image: golang:1.15
-
-pipelines:
-  default:
-    - parallel:
-      - step:
-          name: Test and Build
-          script:
-            - go mod vendor
-            - go mod tidy
-            - go test -v
-            - mkdir build
-            - ./build.sh
-            - export BUILDPATH="build/$(uname)/gostations"
-            - curl -X POST --user "${BITBUCKET_USERNAME}:${BITBUCKET_APP_PASSWORD}" "https://api.bitbucket.org/2.0/repositories/${BITBUCKET_REPO_OWNER}/${BITBUCKET_REPO_SLUG}/downloads" --form files=@"${BUILDPATH}"
-
-      - step:
-          name: Lint code
-          image: golangci/golangci-lint:v1.31.0
-          script:
-            - golangci-lint run -v

commander.go

@@ -4,10 +4,21 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+	"runtime"
 )
 
 func isInstalled(name string) bool {
-	cmd := exec.Command("/bin/sh", "-c", "command -v " + name)
+	var cmd *exec.Cmd
+
+	// check for the operating system
+	if runtime.GOOS == "windows" {
+		// 'where' command is used on Windows to locate executables
+		cmd = exec.Command("where.exe", name)
+	} else {
+		// 'command' is used on Unix systems
+		cmd = exec.Command("/bin/sh", "-c", "command -v "+name)
+	}
+
 	if err := cmd.Run(); err != nil {
 		return false
 	}