test: Check image before running bootc image copy-to-storage

We share host container storage in the VM, so we usually already have
localhost/bootc as an image in the VM. If we don't find it, only then
do we copy from ostree/composefs storage

Signed-off-by: Pragyan Poudyal <pragyanpoudyal41999@gmail.com>

Author: Johan-Liebert1

tmt/tests/booted/tap.nu

@@ -112,3 +112,15 @@ export def make_uki_containerfile [containerfile: string] {
 
     return $"($containerfile)\n($uki_stuff)"
 }
+
+# We share host container storage in the VM, so we usually already have localhost/bootc
+# as an image in the VM. If we don't find it, only then do we copy from ostree/composefs
+# storage
+export def img_cp_to_store_smart [] {
+    let podman_digest = (podman image inspect localhost/bootc) | jq -r '.[0].Digest'
+    let bootc_digest = (bootc status --json | from json).status.booted.image.imageDigest
+
+    if ($podman_digest != $bootc_digest) {
+        bootc image copy-to-storage
+    }
+}

tmt/tests/booted/test-bib-build.nu

@@ -31,7 +31,7 @@ def main [] {
 
     # Copy the currently booted image to podman storage
     print "=== Copying booted image to containers-storage ==="
-    bootc image copy-to-storage
+    tap img_cp_to_store_smart
 
     # Verify the image is in storage
     let images = podman images --format json | from json

tmt/tests/booted/test-composefs-gc-uki.nu

@@ -24,7 +24,7 @@ if not $is_uki {
 
 # Create a large file in a new container image, then bootc switch to the image
 def first_boot [] {
-    bootc image copy-to-storage
+    tap img_cp_to_store_smart
 
     mut containerfile = $"
         FROM localhost/bootc as base

tmt/tests/booted/test-composefs-gc.nu

@@ -22,7 +22,7 @@ if ($st.status.booted.composefs.bootType | str downcase) == "uki" {
 
 # Create a large file in a new container image, then bootc switch to the image
 def first_boot [] {
-    bootc image copy-to-storage
+    tap img_cp_to_store_smart
 
     echo $"
         FROM localhost/bootc

tmt/tests/booted/test-custom-selinux-policy.nu

@@ -24,7 +24,7 @@ def initial_build [] {
     let td = mktemp -d
     cd $td
 
-    bootc image copy-to-storage
+    tap img_cp_to_store_smart
 
     # A simple derived container that customizes selinux policy for random dir
     "FROM localhost/bootc

tmt/tests/booted/test-download-only-upgrade.nu

@@ -40,7 +40,7 @@ def initial_build [] {
     # This test only works in local mode
     assert ($imgsrc | str ends-with "-local") "This test requires local mode"
 
-    bootc image copy-to-storage
+    tap img_cp_to_store_smart
 
     # Create test file v1 on host
     "v1" | save testing-bootc-upgrade-apply

tmt/tests/booted/test-image-pushpull-upgrade.nu

@@ -39,7 +39,7 @@ def initial_build [] {
     let td = mktemp -d
     cd $td
 
-    bootc image copy-to-storage
+    tap img_cp_to_store_smart
     let img = podman image inspect localhost/bootc | from json
 
     mkdir usr/lib/bootc/kargs.d

tmt/tests/booted/test-image-upgrade-reboot.nu

@@ -46,7 +46,7 @@ def initial_build [] {
     let imgsrc = imgsrc
     # For the packit case, we build locally right now
     if ($imgsrc | str ends-with "-local") {
-        bootc image copy-to-storage
+        tap img_cp_to_store_smart
 
         # A simple derived container that adds a file
         (

tmt/tests/booted/test-install-bootloader-none.nu

@@ -10,7 +10,7 @@ def main [] {
     tap begin "install with --bootloader=none"
 
     # Copy the booted image to container storage for use as install source
-    bootc image copy-to-storage
+    tap img_cp_to_store_smart
     let target_image = "containers-storage:localhost/bootc"
 
     truncate -s 10G disk.img

tmt/tests/booted/test-install-no-boot-dir.nu

@@ -10,7 +10,7 @@ def main [] {
     tap begin "install to-filesystem without /boot"
 
     # Copy the booted image to container storage for use as install source
-    bootc image copy-to-storage
+    tap img_cp_to_store_smart
     let target_image = "containers-storage:localhost/bootc"
 
     mkdir /var/mnt