Install external package builders on demand

If they are not in already enabled repositories, test dependency would
not be enough.

Sanity/named/bind-dyndb-ldap-rebuild/main.fmf

@@ -5,5 +5,3 @@ require:
   - bind-devel
 recommend:
   - fedpkg
-  - centpkg
-  - rhpkg

Sanity/named/bind-dyndb-ldap-rebuild/test.sh

@@ -8,21 +8,24 @@ rlJournalStart
         rlRun "tmp=\$(mktemp -d)" 0 "Create tmp directory"
         rlRun "pushd $tmp"
         rlRun "source /etc/os-release"
-        case "$ID"
+        case "$ID" in
                 centos)
                         PKG=centpkg
                         BRANCH=cs${VERSION}
+                        rlRun "rpm -q $PKG || dnf install -y --enablerepo=epel $PKG"
                         ;;
                 rhel)
                         PKG=rhpkg
                         BRANCH=rhel-${VERSION}-main
+                        rlRun "rpm -q $PKG || dnf install -y --enablerepo='*CRB' --enablerepo='*buildroot' $PKG"
                         ;;
                 fedora)
                         PKG=fedpkg
                         BRANCH=rawhide
+                        rlRun "rpm -q $PKG || dnf install -y $PKG"
                         ;;
                 *)
-                        rlFatal "Unsupported distribution $ID" ;;
+                        rlLogFatal "Unsupported distribution $ID" ;;
         esac
         rlRun "$PKG clone -a bind-dyndb-ldap"
         rlRun "pushd bind-dyndb-ldap"
@@ -31,7 +34,7 @@ rlJournalStart
     rlPhaseStartTest
         rlRun "git checkout $BRANCH"
         rlRun "$PKG local"
-        rlRun "rpm -qpl $(arch)/bind-dyndb-ldap-*.$(arch).rpm"
+        rlRun "rpm -qpl $(arch)/bind-dyndb-ldap-*.$(arch).rpm | grep bind/ldap.so"
     rlPhaseEnd
 
     rlPhaseStartCleanup