binman: Add a way to obtain the version
Add a -V option which shows the version number of binman. For now this
just uses a local 'version' file. Once the tool is packaged in some way
we can figure out an approach that suits.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/cmdline.py b/tools/binman/cmdline.py
index 14ec95c..2229316 100644
--- a/tools/binman/cmdline.py
+++ b/tools/binman/cmdline.py
@@ -5,7 +5,9 @@
"""Command-line parser for binman"""
+import argparse
from argparse import ArgumentParser
+import state
def make_extract_parser(subparsers):
"""make_extract_parser: Make a subparser for the 'extract' command
@@ -26,6 +28,32 @@
extract_parser.add_argument('-U', '--uncompressed', action='store_true',
help='Output raw uncompressed data for compressed entries')
+
+#pylint: disable=R0903
+class BinmanVersion(argparse.Action):
+ """Handles the -V option to binman
+
+ This reads the version information from a file called 'version' in the same
+ directory as this file.
+
+ If not present it assumes this is running from the U-Boot tree and collects
+ the version from the Makefile.
+
+ The format of the version information is three VAR = VALUE lines, for
+ example:
+
+ VERSION = 2022
+ PATCHLEVEL = 01
+ EXTRAVERSION = -rc2
+ """
+ def __init__(self, nargs=0, **kwargs):
+ super().__init__(nargs=nargs, **kwargs)
+
+ def __call__(self, parser, namespace, values, option_string=None):
+ parser._print_message(f'Binman {state.GetVersion()}\n')
+ parser.exit()
+
+
def ParseArgs(argv):
"""Parse the binman command-line arguments
@@ -59,6 +87,7 @@
parser.add_argument('-v', '--verbosity', default=1,
type=int, help='Control verbosity: 0=silent, 1=warnings, 2=notices, '
'3=info, 4=detail, 5=debug')
+ parser.add_argument('-V', '--version', nargs=0, action=BinmanVersion)
subparsers = parser.add_subparsers(dest='cmd')
subparsers.required = True