Support require_all_comps_packages on DNF backend

It's not a great name anymore though, because it will fail the compose
if any input package is missing, no matter whether it's from comps,
prepopulate or additional_packages.

JIRA: RHELCMP-12484
Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>

doc/configuration.rst

@@ -941,6 +941,10 @@ Options
     comps file can not be found in the package set. When disabled (the
     default), such cases are still reported as warnings in the log.
 
+    With ``dnf`` gather backend, this option will abort the compose on any
+    missing package no matter if it's listed in comps, ``additional_packages``
+    or prepopulate file.
+
 **gather_source_mapping**
     (*str*) -- JSON mapping with initial packages for the compose. The value
     should be a path to JSON file with following mapping: ``{variant: {arch:

pungi/gather_dnf.py

@@ -542,7 +542,9 @@ class Gather(GatherBase):
                             pkgs = self.q_binary_packages.filter(**kwargs).apply()
 
                 if not pkgs:
-                    self.logger.error("No package matches pattern %s" % pattern)
+                    self.logger.error(
+                        "Could not find a match for %s in any configured repo", pattern
+                    )
 
                 # The pattern could have been a glob. In that case we want to
                 # group the packages by name and get best match in those