distro: add ShellVars field to ImageConfig

internal/distro/fedora/images.go

@@ -143,6 +143,7 @@ func osCustomizations(
 		// should have been validated before this point.
 		panic(fmt.Sprintf("failed to convert file customizations to fs node files: %v", err))
 	}
+	osc.ShellInit = imageConfig.ShellInit
 
 	osc.Grub2Config = imageConfig.Grub2Config
 	osc.Sysconfig = imageConfig.Sysconfig

internal/distro/image_config.go

@@ -5,6 +5,7 @@ import (
 	"reflect"
 
 	"github.com/osbuild/osbuild-composer/internal/osbuild"
+	"github.com/osbuild/osbuild-composer/internal/shell"
 )
 
 type RHSMSubscriptionStatus string
@@ -38,6 +39,8 @@ type ImageConfig struct {
 	// Disable documentation
 	ExcludeDocs *bool
 
+	ShellInit []shell.InitFile
+
 	// for RHSM configuration, we need to potentially distinguish the case
 	// when the user want the image to be subscribed on first boot and when not
 	RHSMConfig          map[RHSMSubscriptionStatus]*osbuild.RHSMStageOptions

internal/distro/rhel7/images.go

@@ -156,6 +156,7 @@ func osCustomizations(
 		// should have been validated before this point.
 		panic(fmt.Sprintf("failed to convert file customizations to fs node files: %v", err))
 	}
+	osc.ShellInit = imageConfig.ShellInit
 
 	osc.Grub2Config = imageConfig.Grub2Config
 	osc.Sysconfig = imageConfig.Sysconfig

internal/distro/rhel8/images.go

@@ -162,6 +162,7 @@ func osCustomizations(
 		// should have been validated before this point.
 		panic(fmt.Sprintf("failed to convert file customizations to fs node files: %v", err))
 	}
+	osc.ShellInit = imageConfig.ShellInit
 
 	osc.Grub2Config = imageConfig.Grub2Config
 	osc.Sysconfig = imageConfig.Sysconfig

internal/distro/rhel9/images.go

@@ -159,6 +159,7 @@ func osCustomizations(
 		// should have been validated before this point.
 		panic(fmt.Sprintf("failed to convert file customizations to fs node files: %v", err))
 	}
+	osc.ShellInit = imageConfig.ShellInit
 
 	osc.Grub2Config = imageConfig.Grub2Config
 	osc.Sysconfig = imageConfig.Sysconfig