T8542: Add functionality to generate SBOM file from ISO image

Apply suggestion, add validation that the Syft binary was copied with success.

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

1 files changed, 10 insertions, 2 deletions

diff --git a/scripts/check-qemu-install b/scripts/check-qemu-install
index 98b49a64..507b1ea6 100755
--- a/scripts/check-qemu-install
+++ b/scripts/check-qemu-install
@@ -1315,10 +1315,18 @@ try:
             raise Exception('Failed to mount SBOM transfer disk inside VM')
         c.expect(op_mode_prompt)
 
-        # Copy the syft binary to the transfer disk and check the version to verify it works before running the SBOM generation process
-        c.sendline('sudo cp /mnt/sbom_transfer/syft /tmp/syft && sudo chmod +x /tmp/syft')
+        # Copy the syft binary from the transfer disk and verify it is available before running the SBOM generation process
+        c.sendline('test -x /mnt/sbom_transfer/syft && echo SYFT_SRC_OK || echo SYFT_SRC_FAIL')
+        i = c.expect(['SYFT_SRC_OK', 'SYFT_SRC_FAIL'])
+        if i != 0:
+            raise Exception('Syft binary is missing or not executable on the SBOM transfer disk')
         c.expect(op_mode_prompt)
 
+        c.sendline('sudo cp /mnt/sbom_transfer/syft /tmp/syft && sudo chmod +x /tmp/syft && test -x /tmp/syft && echo SYFT_COPY_OK || echo SYFT_COPY_FAIL')
+        i = c.expect(['SYFT_COPY_OK', 'SYFT_COPY_FAIL'])
+        if i != 0:
+            raise Exception('Failed to copy Syft binary from SBOM transfer disk to /tmp/syft')
+        c.expect(op_mode_prompt)
         c.sendline('TERM=dumb /tmp/syft --version')
         c.expect(op_mode_prompt)
         lines = c.before.decode(errors='replace').strip().splitlines()