1 files changed, 71 insertions, 0 deletions

diff --git a/bitbake/bin/bitbake-getvar b/bitbake/bin/bitbake-getvar
new file mode 100755
index 0000000000..378fb13572
--- /dev/null
+++ b/bitbake/bin/bitbake-getvar
@@ -0,0 +1,71 @@
+#! /usr/bin/env python3
+#
+# Copyright (C) 2021 Richard Purdie
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
+
+import argparse
+import io
+import os
+import sys
+import warnings
+import logging
+warnings.simplefilter("default")
+
+bindir = os.path.dirname(__file__)
+topdir = os.path.dirname(bindir)
+sys.path[0:0] = [os.path.join(topdir, 'lib')]
+
+import bb.providers
+import bb.tinfoil
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Bitbake Query Variable")
+    parser.add_argument("variable", help="variable name to query")
+    parser.add_argument("-r", "--recipe", help="Recipe name to query", default=None, required=False)
+    parser.add_argument('-u', '--unexpand', help='Do not expand the value (with --value)', action="store_true")
+    parser.add_argument('-f', '--flag', help='Specify a variable flag to query (with --value)', default=None)
+    parser.add_argument('--value', help='Only report the value, no history and no variable name', action="store_true")
+    parser.add_argument('-q', '--quiet', help='Silence bitbake server logging', action="store_true")
+    parser.add_argument('--ignore-undefined', help='Suppress any errors related to undefined variables', action="store_true")
+    args = parser.parse_args()
+
+    if not args.value:
+        if args.unexpand:
+            sys.exit("--unexpand only makes sense with --value")
+
+        if args.flag:
+            sys.exit("--flag only makes sense with --value")
+
+    quiet = args.quiet or args.value
+    if quiet:
+        logger = logging.getLogger("BitBake")
+        logger.setLevel(logging.WARNING)
+
+    with bb.tinfoil.Tinfoil(tracking=True, setup_logging=not quiet) as tinfoil:
+        if args.recipe:
+            tinfoil.prepare(quiet=3 if quiet else 2)
+            try:
+                d = tinfoil.parse_recipe(args.recipe)
+            except bb.providers.NoProvider as e:
+                sys.exit(str(e))
+        else:
+            tinfoil.prepare(quiet=2, config_only=True)
+            # Expand keys and run anonymous functions to get identical result to
+            # "bitbake -e"
+            d = tinfoil.finalizeData()
+
+        value = None
+        if args.flag:
+            value = d.getVarFlag(args.variable, args.flag, expand=not args.unexpand)
+            if value is None and not args.ignore_undefined:
+                sys.exit(f"The flag '{args.flag}' is not defined for variable '{args.variable}'")
+        else:
+            value = d.getVar(args.variable, expand=not args.unexpand)
+            if value is None and not args.ignore_undefined:
+                sys.exit(f"The variable '{args.variable}' is not defined")
+        if args.value:
+            print(str(value if value is not None else ""))
+        else:
+            bb.data.emit_var(args.variable, d=d, all=True)