Add post install script support for tools

Author: MatteoPologruto

Diff for: arduino/cores/packagemanager/install_uninstall.go

@@ -102,7 +102,7 @@ func (pme *Explorer) DownloadAndInstallPlatformAndTools(
 
 	// Install tools first
 	for _, tool := range toolsToInstall {
-		if err := pme.InstallTool(tool, taskCB); err != nil {
+		if err := pme.InstallTool(tool, taskCB, skipPostInstall); err != nil {
 			return err
 		}
 	}
@@ -299,7 +299,7 @@ func (pme *Explorer) UninstallPlatform(platformRelease *cores.PlatformRelease, t
 }
 
 // InstallTool installs a specific release of a tool.
-func (pme *Explorer) InstallTool(toolRelease *cores.ToolRelease, taskCB rpc.TaskProgressCB) error {
+func (pme *Explorer) InstallTool(toolRelease *cores.ToolRelease, taskCB rpc.TaskProgressCB, skipPostInstall bool) error {
 	log := pme.log.WithField("Tool", toolRelease)
 
 	if toolRelease.IsInstalled() {
@@ -325,6 +325,22 @@ func (pme *Explorer) InstallTool(toolRelease *cores.ToolRelease, taskCB rpc.Task
 		log.WithError(err).Warn("Cannot install tool")
 		return &arduino.FailedInstallError{Message: tr("Cannot install tool %s", toolRelease), Cause: err}
 	}
+	if d, err := destDir.Abs(); err == nil {
+		toolRelease.InstallDir = d
+	} else {
+		return err
+	}
+	// Perform post install
+	if !skipPostInstall {
+		log.Info("Running tool post_install script")
+		taskCB(&rpc.TaskProgress{Message: tr("Configuring tool.")})
+		if err := pme.RunPostInstallScriptTool(toolRelease); err != nil {
+			taskCB(&rpc.TaskProgress{Message: tr("WARNING cannot configure tool: %s", err)})
+		}
+	} else {
+		log.Info("Skipping tool configuration.")
+		taskCB(&rpc.TaskProgress{Message: tr("Skipping tool configuration.")})
+	}
 	log.Info("Tool installed")
 	taskCB(&rpc.TaskProgress{Message: tr("%s installed", toolRelease), Completed: true})
 
@@ -395,3 +411,27 @@ func (pme *Explorer) IsToolRequired(toolRelease *cores.ToolRelease) bool {
 	}
 	return false
 }
+
+// RunPostInstallScriptTool runs the post_install.sh (or post_install.bat) script for the
+// specified toolRelease.
+func (pme *Explorer) RunPostInstallScriptTool(toolRelease *cores.ToolRelease) error {
+	if !toolRelease.IsInstalled() {
+		return errors.New(tr("tool not installed"))
+	}
+	postInstallFilename := "post_install.sh"
+	if runtime.GOOS == "windows" {
+		postInstallFilename = "post_install.bat"
+	}
+	postInstall := toolRelease.InstallDir.Join(postInstallFilename)
+	if postInstall.Exist() && postInstall.IsNotDir() {
+		cmd, err := executils.NewProcessFromPath(pme.GetEnvVarsForSpawnedProcess(), postInstall)
+		if err != nil {
+			return err
+		}
+		cmd.SetDirFromPath(toolRelease.InstallDir)
+		if err := cmd.Run(); err != nil {
+			return err
+		}
+	}
+	return nil
+}

Diff for: commands/instances.go

@@ -138,7 +138,7 @@ func installTool(pm *packagemanager.PackageManager, tool *cores.ToolRelease, dow
 		return fmt.Errorf(tr("downloading %[1]s tool: %[2]s"), tool, err)
 	}
 	taskCB(&rpc.TaskProgress{Completed: true})
-	if err := pme.InstallTool(tool, taskCB); err != nil {
+	if err := pme.InstallTool(tool, taskCB, true); err != nil {
 		return fmt.Errorf(tr("installing %[1]s tool: %[2]s"), tool, err)
 	}
 	return nil