Merge pull request #85 from ocaisa/try_except_tc_hierarchy

Not all toolchains may be known to the current EasyBuild version for `eb_hooks.py`

Author: boegel

eb_hooks.py

@@ -174,7 +174,10 @@ def verify_toolchains_supported_by_eessi_version(easyconfigs):
     site_top_level_toolchains_envvar = 'EESSI_SITE_TOP_LEVEL_TOOLCHAINS_' + eessi_version.replace('.', '_')
     site_top_level_toolchains = parse_list_of_dicts_env(site_top_level_toolchains_envvar)
     for top_level_toolchain in EESSI_SUPPORTED_TOP_LEVEL_TOOLCHAINS[eessi_version] + site_top_level_toolchains:
-        supported_eessi_toolchains += get_toolchain_hierarchy(top_level_toolchain)
+        try:
+            supported_eessi_toolchains += get_toolchain_hierarchy(top_level_toolchain)
+        except EasyBuildError as error:
+            print_msg(f"No toolchain hierarchy found for {top_level_toolchain}, ignoring! ({error})")
     for ec in easyconfigs:
         toolchain = ec['ec']['toolchain']
         # if it is a system toolchain or appears in the list, we are all good