scripts: Update build-efi/qemu to support disabling pager

The pager can interfere with tests and there is a lab test which uses
the build-efi script. Add an option to disable the pager so that the
labgrid test can request that.

Signed-off-by: Simon Glass <sjg@chromium.org>

scripts/build-efi

@@ -155,7 +155,8 @@ class BuildEfi:
 
     def do_build(self, build):
         """Build U-Boot for the selected board"""
-        res = command.run_one('buildman', '-w', '-o', self.build_dir,
+        extra = ['-a', '~CONSOLE_PAGER'] if self.args.no_pager else []
+        res = command.run_one('buildman', '-w', '-o', self.build_dir, *extra,
                               '--board', build, '-I', raise_on_error=False)
         if res.return_code and res.return_code != 101:  # Allow warnings
             raise ValueError(

scripts/build-qemu

@@ -200,6 +200,8 @@ class BuildQemu:
         self.build_dir.mkdir(parents=True, exist_ok=True)
         cmd = ['buildman', '-w', '-o', str(self.build_dir), '--board',
                self.board, '-I']
+        if self.args.no_pager:
+            cmd += ['-a', '~CONSOLE_PAGER']
 
         self.execute_command(
             cmd,

scripts/build_helper.py

@@ -301,6 +301,8 @@ def add_common_args(parser):
         help='Use KVM (Kernel-based Virtual Machine) for acceleration')
     parser.add_argument('-K', '--kernel',
                         help='Kernel to run using -kernel')
+    parser.add_argument('-n', '--no-pager', action='store_true',
+                        help="Disable the pager (for testing)")
     parser.add_argument('-o', '--os', metavar='NAME', choices=['ubuntu'],
                         help='Run a specified Operating System')
     parser.add_argument('-r', '--run', action='store_true',