bin/ebuild: add --version option

diff --git a/bin/ebuild b/bin/ebuild
index 1cbdb2d7abd22266b0eee85df3d474bc54f08d35..d4b8b71f6b94b4ca8283769fa1b645cae61c309e 100755 (executable)
--- a/bin/ebuild
+++ b/bin/ebuild
@@ -46,6 +46,8 @@ parser.add_option("--color", help="enable or disable color output",
        type="choice", choices=("y", "n"))
 parser.add_option("--debug", help="show debug output",
        action="store_true", dest="debug")
+parser.add_option("--version", help="show version and exit",
+       action="store_true", dest="version")
 parser.add_option("--ignore-default-opts",
        action="store_true",
        help="do not use the EBUILD_DEFAULT_OPTS environment variable")
@@ -54,9 +56,6 @@ parser.add_option("--skip-manifest", help="skip all manifest checks",
 
 opts, pargs = parser.parse_args(args=sys.argv[1:])
 
-if len(pargs) < 2:
-       parser.error("missing required args")
-
 os.environ["PORTAGE_CALLER"]="ebuild"
 try:
        import portage
@@ -75,6 +74,13 @@ from portage.const import VDB_PATH
 from _emerge.Package import Package
 from _emerge.RootConfig import RootConfig
 
+if opts.version:
+       print("Portage", portage.VERSION)
+       sys.exit(os.EX_OK)
+
+if len(pargs) < 2:
+       parser.error("missing required args")
+
 if not opts.ignore_default_opts:
        default_opts = portage.settings.get("EBUILD_DEFAULT_OPTS", "").split()
        opts, pargs = parser.parse_args(default_opts + sys.argv[1:])