rhel-9.5: Revert RHEL-49670

dnf/cli/cli.py

@@ -214,14 +214,6 @@ def do_transaction(self, display=()):
             elif 'test' in self.conf.tsflags:
                 logger.info(_("{prog} will only download packages, install gpg keys, and check the "
                               "transaction.").format(prog=dnf.util.MAIN_PROG_UPPER))
-            if dnf.util._is_bootc_host():
-                _bootc_host_msg = _("""
-*** Error: system is configured to be read-only; for more
-*** information run `bootc --help`.
-""")
-                logger.info(_bootc_host_msg)
-                raise CliError(_("Operation aborted."))
-
             if self._promptWanted():
                 if self.conf.assumeno or not self.output.userconfirm():
                     raise CliError(_("Operation aborted."))

dnf/util.py

@@ -631,17 +631,3 @@ def _tsi_or_pkg_nevra_cmp(item1, item2):
 def _name_unset_wrapper(input_name):
     # returns <name-unset> for everything that evaluates to False (None, empty..)
     return input_name if input_name else _("<name-unset>")
-
-
-def _is_bootc_host():
-    """Returns true is the system is managed as an immutable container,
-       false otherwise.  If msg is True, a warning message is displayed
-       for the user.
-    """
-    ostree_booted = '/run/ostree-booted'
-    usr = '/usr/'
-    # Check if usr is writtable and we are in a running ostree system.
-    # We want this code to return true only when the system is in locked state. If someone ran
-    # bootc overlay or ostree admin unlock we would want normal DNF path to be ran as it will be
-    # temporary changes (until reboot).
-    return os.path.isfile(ostree_booted) and not os.access(usr, os.W_OK)