Add RunInstallScripts

installer/scripts.go

@@ -0,0 +1,44 @@
+package installer
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+)
+
+// RunInstallScripts executes the installation scripts of a PreparedInstall for
+// files that have changed (unless ForceReinstall is enabled, in which case
+// *all* scripts will be run).
+func RunInstallScripts(install PreparedInstall, config InstallConfig) {
+	for _, script := range install.InstallScripts {
+		if !script.ShouldInstall() && !config.ForceReinstall {
+			continue
+		}
+
+		if !script.Executable {
+			continue
+		}
+
+		command := exec.Command(script.Path)
+
+		// Execute the script in the installed path cotnext
+		if config.OverrideInstallPath != "" {
+			command.Dir = config.OverrideInstallPath
+		} else {
+			command.Dir = config.SourceConfig.InstallPath
+		}
+
+		// Setup the environment
+		command.Env = append(
+			os.Environ(),
+			fmt.Sprintf("DOTS_SOURCE=%s", config.SourceConfig.SourcePath),
+			fmt.Sprintf("DOTS_FORCE_REINSTALL=%t", config.ForceReinstall),
+		)
+
+		command.Stdout = os.Stdout
+		command.Stderr = os.Stderr
+
+		command.Run()
+	}
+
+}