Do not run tests on unsupported image type

Ensure that image types not support by the run-time system are not
tested.

diff --git a/scripts/get-test-images.sh b/scripts/get-test-images.sh
index db8700a..12dd81b 100755 (executable)
--- a/scripts/get-test-images.sh
+++ b/scripts/get-test-images.sh
@@ -26,6 +26,23 @@
 ## $2 git test image repo. \n
 ##
 
+# GitHub workflow actions run on Ubuntu 22.04 (at the time of writing)
+# Some libraries are not available in that version, so do not run
+# image tests on the relevant files.
+#
+# 20.04 is checked for so that if a development system is running 23.x
+# but all required libraries are not installed, an error will be flagged.
+version=$(lsb_release -d)
+if echo "$version" | grep -q "Ubuntu 22.04" > /dev/null
+then
+       exceptions="
+       jxl
+       libjxl-dev
+       "
+else
+       exceptions=""
+fi
+
 if [ ! -d "$1" ]
 then
        mkdir -p "$1"
@@ -38,7 +55,36 @@ fi
 
 for file in "$1/images/"*
 do
-       echo "$file"
+       library_installed=true
+       i=0
+
+       for exception_string in $exceptions
+       do
+               if [ $((i % 2)) -eq 0 ]
+               then
+                       file_extension="$exception_string"
+               else
+                       library_file="$exception_string"
+                       basefile_name=$(basename "$file")
+                       basefile_match=$(basename "$basefile_name" "$file_extension")
+
+                       if [ ! "$basefile_name" = "$basefile_match" ]
+                       then
+                               if ! dpkg-query --show --showformat='${Status}' "$library_file" > /dev/null 2>&1
+                               then
+                                       library_installed=false
+                                       break
+                               fi
+                       fi
+               fi
+
+               i=$((i + 1))
+       done
+
+       if [ "$library_installed" = "true" ]
+       then
+               echo "$file"
+       fi
 done
 
 exit 0