add runtime version information

6 files changed, 30 insertions, 0 deletions

diff --git a/project/boost/build.py b/project/boost/build.py
index fd73b6e..bd4fd6b 100644
--- a/project/boost/build.py
+++ b/project/boost/build.py
@@ -37,6 +37,7 @@ from project.os import on_linux_like
 from project.platform import Platform
 from project.toolset import Toolset, ToolsetVersion
 from project.utils import normalize_path, setup_logging
+import project.version
 
 
 DEFAULT_PLATFORMS = (Platform.AUTO,)
@@ -150,6 +151,8 @@ def _parse_args(argv=None):
         description=__doc__,
         formatter_class=argparse.RawDescriptionHelpFormatter)
 
+    project.version.add_to_arg_parser(parser)
+
     platform_options = '/'.join(map(str, Platform.all()))
     configuration_options = '/'.join(map(str, Configuration.all()))
     # These are used to put the built libraries into proper stage/
diff --git a/project/boost/download.py b/project/boost/download.py
index 3f1366e..b5bf684 100644
--- a/project/boost/download.py
+++ b/project/boost/download.py
@@ -27,6 +27,7 @@ import urllib.request
 from project.boost.archive import Archive, PermanentStorage, TemporaryStorage
 from project.boost.version import Version
 from project.utils import normalize_path, mkdir_parent, retry, setup_logging
+import project.version
 
 
 class Download:
@@ -127,6 +128,8 @@ def _parse_args(argv=None):
         description=__doc__,
         formatter_class=argparse.RawDescriptionHelpFormatter)
 
+    project.version.add_to_arg_parser(parser)
+
     parser.add_argument('--unpack', metavar='DIR', dest='unpack_dir',
                         type=normalize_path,
                         help='directory to unpack the archive to')
diff --git a/project/ci/boost.py b/project/ci/boost.py
index 0d89b75..65f4da0 100644
--- a/project/ci/boost.py
+++ b/project/ci/boost.py
@@ -11,6 +11,7 @@ from project.boost.download import Download, download
 from project.ci.dirs import Dirs
 from project.linkage import Linkage
 from project.utils import setup_logging
+import project.version
 
 
 def _parse_args(argv=None):
@@ -21,6 +22,8 @@ def _parse_args(argv=None):
         description=Dirs.get_boost_help(),
         formatter_class=argparse.RawDescriptionHelpFormatter)
 
+    project.version.add_to_arg_parser(parser)
+
     parser.add_argument('--link', metavar='LINKAGE',
                         nargs='*', type=Linkage.parse,
                         help='how the libraries are linked')
diff --git a/project/ci/cmake.py b/project/ci/cmake.py
index 1f49f78..13929f7 100644
--- a/project/ci/cmake.py
+++ b/project/ci/cmake.py
@@ -10,6 +10,7 @@ import sys
 from project.ci.dirs import Dirs
 from project.cmake.build import BuildParameters, build
 from project.utils import setup_logging
+import project.version
 
 
 def _parse_args(argv=None):
@@ -20,6 +21,8 @@ def _parse_args(argv=None):
         description=Dirs.get_cmake_help(),
         formatter_class=argparse.RawDescriptionHelpFormatter)
 
+    project.version.add_to_arg_parser(parser)
+
     # The hint parameter is basically a workaround for when this is run on a
     # CI, _but_ testing another CI is desired.  This shouldn't be used in a
     # real CI workflow.
diff --git a/project/cmake/build.py b/project/cmake/build.py
index 3c4853d..9c98ba3 100644
--- a/project/cmake/build.py
+++ b/project/cmake/build.py
@@ -30,6 +30,7 @@ from project.configuration import Configuration
 from project.platform import Platform
 from project.toolset import Toolset, ToolsetVersion
 from project.utils import normalize_path, mkdir_parent, run, setup_logging
+import project.version
 
 
 DEFAULT_PLATFORM = Platform.AUTO
@@ -211,6 +212,8 @@ def _parse_args(argv=None):
         description=__doc__,
         formatter_class=argparse.RawDescriptionHelpFormatter)
 
+    project.version.add_to_arg_parser(parser)
+
     parser.add_argument('--build', metavar='DIR', dest='build_dir',
                         type=normalize_path,
                         help='build directory (temporary directory unless specified)')
diff --git a/project/version.py b/project/version.py
new file mode 100644
index 0000000..8cff333
--- /dev/null
+++ b/project/version.py
@@ -0,0 +1,15 @@
+try:
+    import importlib.metadata as metadata
+except ImportError:
+    import importlib_metadata as metadata
+
+
+try:
+    __version__ = metadata.version('cmake_common')
+except Exception:
+    __version__ = 'unknown'
+
+
+def add_to_arg_parser(parser):
+    parser.add_argument('--version', '-V', action='version',
+                        version=f'%(prog)s {__version__}')