chore: allow overriding of the lib install path

.github/workflows/test.yml

@@ -9,6 +9,9 @@ jobs:
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
+    - name: Set Golang shared lib variable
+      run: echo '::set-env name=LD_LIBRARY_PATH::/tmp'
+
     - name: Install Go
       uses: actions/setup-go@v2
       with:

Makefile

@@ -39,7 +39,7 @@ install:
   fi
 
 installv3:
-	./build/pact-go_linux_amd64 -l DEBUG install
+	./build/pact-go_linux_amd64 -l DEBUG install --libDir /tmp
 
 pact: install docker
 	@echo "--- 🔨 Running Pact examples"

command/install.go

@@ -9,7 +9,7 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var path string
+var libDir = ""
 var installCmd = &cobra.Command{
 	Use:   "install",
 	Short: "Check required tools",
@@ -19,6 +19,13 @@ var installCmd = &cobra.Command{
 
 		// Run the installer
 		i, err := installer.NewInstaller()
+
+		//
+		if libDir != "" {
+			log.Println("[INFO] set lib dir target to", libDir)
+			i.SetLibDir(libDir)
+		}
+
 		if err != nil {
 			log.Println("[ERROR] Your Pact library installation is out of date and we were unable to download a newer one for you:", err)
 			os.Exit(1)
@@ -32,5 +39,6 @@ var installCmd = &cobra.Command{
 }
 
 func init() {
+	installCmd.Flags().StringVarP(&libDir, "libDir", "d", "", "Target directory to install the library")
 	RootCmd.AddCommand(installCmd)
 }

v3/installer/installer.go

@@ -64,6 +64,11 @@ func NewInstaller(opts ...installerConfig) (*Installer, error) {
 	return i, nil
 }
 
+// SetLibDir overrides the default library dir
+func (i *Installer) SetLibDir(dir string) {
+	i.libDir = dir
+}
+
 // CheckInstallation checks installation of all of the required libraries
 // and downloads if they aren't present
 func (i *Installer) CheckInstallation() error {