T9277: add noticable warning when installing debug packages

1 files changed, 16 insertions, 0 deletions

diff --git a/scripts/image-build/build-vyos-image b/scripts/image-build/build-vyos-image
index 40d9cfdf..0f9e1ef8 100755
--- a/scripts/image-build/build-vyos-image
+++ b/scripts/image-build/build-vyos-image
@@ -783,6 +783,22 @@ Pin-Priority: 600
             for f in local_packages:
                 shutil.copy(f, os.path.join(defaults.LOCAL_PACKAGES_PATH, os.path.basename(f)))
 
+            ## T9277: Debug packages are installed on purpose - placing a .deb into
+            ## packages/ is a deliberate act - but linux-image-*-dbg alone expands to
+            ## ~2.3 GB in the rootfs, so make the cost impossible to miss.
+            debug_packages = [f for f in local_packages
+                              if re.search(r'-dbg(sym)?_', os.path.basename(f))]
+            if debug_packages:
+                print("W: " + "=" * 60)
+                print(f"W: Installing {len(debug_packages)} debug package(s) from packages/:")
+                for f in sorted(debug_packages):
+                    size_mb = os.path.getsize(f) / (1024 * 1024)
+                    print(f"W:   {os.path.basename(f)} ({size_mb:.1f} MB deb)")
+                print("W: Debug symbols expand significantly in the rootfs and will")
+                print("W: noticeably increase the image size. Remove them from packages/")
+                print("W: if this was unintended.")
+                print("W: " + "=" * 60)
+
         ## Build the image
         print("I: Starting image build")
         if debug: