base: implement the containerless property for tools

xbstrap/__init__.py

@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: MIT
 
 import argparse
+import functools
 import json
 import os
 import shutil
@@ -69,6 +70,10 @@ def do_runtool(args):
         for name in tools:
             tool_pkgs.append(cfg.get_tool_pkg(name))
 
+    has_containerless = functools.reduce(
+        lambda x, y: x or y, map(lambda x: x.containerless, tool_pkgs)
+    )
+
     xbstrap.base.run_program(
         cfg,
         context,
@@ -77,6 +82,7 @@ def do_runtool(args):
         tool_pkgs=tool_pkgs,
         workdir=workdir,
         for_package=for_package,
+        containerless=has_containerless,
     )
 
 

xbstrap/base.py

@@ -3,6 +3,7 @@
 import collections
 import errno
 import filecmp
+import functools
 import json
 import os
 import re
@@ -999,9 +1000,13 @@ def __init__(self, cfg, pkg, inherited, stage_yml):
 
         if "compile" in self._this_yml:
             for step_yml in self._this_yml["compile"]:
+                if self.containerless:
+                    step_yml["containerless"] = True
                 self._compile_steps.append(ScriptStep(step_yml))
         if "install" in self._this_yml:
             for step_yml in self._this_yml["install"]:
+                if self.containerless:
+                    step_yml["containerless"] = True
                 self._install_steps.append(ScriptStep(step_yml))
 
     @property
@@ -1022,6 +1027,12 @@ def subject_id(self):
     def subject_type(self):
         return "tool stage"
 
+    @property
+    def containerless(self):
+        if "containerless" not in self._this_yml:
+            return False
+        return self._this_yml["containerless"]
+
     @property
     def compile_steps(self):
         yield from self._compile_steps
@@ -1083,14 +1094,21 @@ def __init__(self, cfg, pkg_yml):
 
         if "stages" in self._this_yml:
             for stage_yml in self._this_yml["stages"]:
+                if self.containerless:
+                    stage_yml["containerless"] = True
                 stage = HostStage(self._cfg, self, False, stage_yml)
                 self._stages[stage.stage_name] = stage
         else:
-            stage = HostStage(self._cfg, self, True, self._this_yml)
+            step_yml = self._this_yml
+            if self.containerless:
+                step_yml["containerless"] = True
+            stage = HostStage(self._cfg, self, True, step_yml)
             self._stages[stage.stage_name] = stage
 
         if "configure" in self._this_yml:
             for step_yml in self._this_yml["configure"]:
+                if self.containerless:
+                    step_yml["containerless"] = True
                 self._configure_steps.append(ScriptStep(step_yml))
 
         if "tasks" in self._this_yml:
@@ -1115,6 +1133,12 @@ def exports_aclocal(self):
             return False
         return self._this_yml["exports_aclocal"]
 
+    @property
+    def containerless(self):
+        if "containerless" not in self._this_yml:
+            return False
+        return self._this_yml["containerless"]
+
     @property
     def source(self):
         if "from_source" in self._this_yml:
@@ -1726,6 +1750,20 @@ def run_program(
 ):
     pkg_queue = []
     pkg_visited = set()
+    tools_all_containerless = (
+        functools.reduce(lambda x, y: x and y, map(lambda x: x.containerless, tool_pkgs))
+        if tool_pkgs
+        else containerless
+    )
+
+    tools_some_containerless = (
+        functools.reduce(lambda x, y: x or y, map(lambda x: x.containerless, tool_pkgs))
+        if tool_pkgs
+        else containerless
+    )
+
+    if tools_some_containerless is not tools_all_containerless:
+        raise GenericError("mixing containerless with non-containerless tools is not supported")
 
     for pkg in tool_pkgs:
         assert pkg.name not in pkg_visited
@@ -1817,6 +1855,12 @@ def run_program(
     if runtime is None:
         use_container = False
 
+    if tools_all_containerless and use_container:
+        raise GenericError("running containerless is not allowed by your configuration")
+
+    if containerless is not tools_all_containerless:
+        raise GenericError("containerless steps can only use containerless tools")
+
     if use_container:
         if runtime == "dummy":
             manifest["source_root"] = cfg.source_root

xbstrap/schema.yml

@@ -278,6 +278,8 @@ properties:
                     type: boolean
                 'exports_shared_libs':
                     type: boolean
+                'containerless':
+                    type: boolean
                 'architecture': { type: string }
                 'configure': { $ref: '#/definitions/build_steps' }
                 'compile': { $ref: '#/definitions/build_steps' }