add and use _staging_repos_enable post-install test

main.pm

@@ -291,6 +291,11 @@ sub load_postinstall_tests() {
     # load the early tests
     _load_early_postinstall_tests();
 
+    ## enable staging repos if requested
+    if (get_var("DNF_CONTENTDIR")) {
+        autotest::loadtest "tests/_staging_repos_enable.pm";
+    }
+
     # do standard post-install static network config if the var is set
     # and this is not an upgrade test (this is done elsewhere in the
     # upgrade workflow)

tests/_staging_repos_disable.pm

@@ -0,0 +1,23 @@
+use base "installedtest";
+use strict;
+use testapi;
+use utils;
+
+sub run {
+    my $self = shift;
+    $self->root_console(tty=>4);
+    # Point at default repositories by modifying contentdir
+    # NOTE: This will leave repos pointing at primary dl server instead
+    #       of mirrorlist.
+    script_run 'printf "pub/rocky\n" > /etc/dnf/vars/contentdir';
+    script_run 'dnf clean all';
+    script_run 'dnf repoinfo'
+}
+
+sub test_flags {
+    return { fatal => 1 };
+}
+
+1;
+
+# vim: set sw=4 et:

tests/_staging_repos_enable.pm

@@ -0,0 +1,25 @@
+use base "installedtest";
+use strict;
+use testapi;
+use utils;
+
+sub run {
+    my $self = shift;
+    $self->root_console(tty=>4);
+    # Point at staging repositories by modifying contentdir
+    if (get_version_major() < 9) {
+        script_run "sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/Rocky-*";
+        script_run "sed -i 's,^#\(baseurl=http[s]*://\),\1,g' /etc/yum.repos.d/Rocky-*";
+    }
+    script_run 'printf "stg/rocky\n" > /etc/dnf/vars/contentdir';
+    script_run 'dnf clean all';
+    script_run 'dnf repoinfo';
+}
+
+sub test_flags {
+    return { fatal => 1 };
+}
+
+1;
+
+# vim: set sw=4 et: