Add wrapper for all gbp commands

So like git you can now use gbp <command> instead of git-<command> or
gbp-<command>. The manpages and docs aren't adjusted yet.

1 files changed, 67 insertions, 0 deletions

diff --git a/gbp/scripts/command.py b/gbp/scripts/command.py
new file mode 100755
index 0000000..c6ae493
--- /dev/null
+++ b/gbp/scripts/command.py
@@ -0,0 +1,67 @@
+#!/usr/bin/python
+# vim: set fileencoding=utf-8 :
+#
+# (C) 2013 Guido Günther <agx@sigxcpu.org>
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program; if not, write to the Free Software
+#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+"""Wrapper for all gbp commands"""
+
+import sys
+
+def sanitize(cmd):
+    return cmd.replace('-', '_')
+
+def usage():
+    print """
+Usage:
+    gbp <command> [<args>]
+
+The most commonly used commands are:
+
+    buildpackage - build a Debian package
+    import-orig  - import a new upstream tarball
+    import-dsc   - import a single Debian source package
+    import-dscs  - import multiple Debian source packages
+"""
+
+def import_command(cmd):
+    if '.' in cmd:
+        raise ImportError('Illegal module name')
+
+    m = __import__('gbp.scripts.%s' % cmd, fromlist='main', level=0)
+    return m
+
+
+def gbp_command(argv=None):
+    argv = argv or sys.argv
+
+    if len(argv) < 2:
+        usage()
+        return 1
+
+    cmd = argv[1]
+    args = argv[1:]
+
+    cmd = sanitize(cmd)
+    try:
+        module = import_command(cmd)
+    except ImportError as e:
+        print >>sys.stderr, "'%s' is not a valid command." % cmd
+        if '--debug' in args:
+            print >>sys.stderr, e
+        return 2
+
+    return module.main(args)
+
+# vim:et:ts=4:sw=4:et:sts=4:ai:set list listchars=tab\:»·,trail\:·: