Add minimal 'config' command

This only allows to print single config values so far.

Closes: #733470

1 files changed, 87 insertions, 0 deletions

diff --git a/gbp/scripts/config.py b/gbp/scripts/config.py
new file mode 100755
index 00000000..19966fe9
--- /dev/null
+++ b/gbp/scripts/config.py
@@ -0,0 +1,87 @@
+# vim: set fileencoding=utf-8 :
+#
+# (C) 2014 Guido Guenther <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
+#
+"""Query and display config file values"""
+
+import ConfigParser
+import sys
+import os, os.path
+from gbp.config import (GbpOptionParser, GbpOptionGroup)
+from gbp.errors import GbpError
+import gbp.log
+
+def parse_args(argv):
+    try:
+        parser = GbpOptionParser(command=os.path.basename(argv[0]), prefix='',
+                             usage='%prog [options] - display configuration settings')
+    except ConfigParser.ParsingError as err:
+        gbp.log.err(err)
+        return None, None
+
+    parser.add_option("-v", "--verbose", action="store_true", dest="verbose", default=False,
+                      help="verbose command execution")
+    parser.add_config_file_option(option_name="color", dest="color", type='tristate')
+    parser.add_config_file_option(option_name="color-scheme",
+                                  dest="color_scheme")
+    return parser.parse_args(argv)
+
+
+def parse_config(command):
+    parser = GbpOptionParser(command)
+    parser.parse_config_files()
+    return parser
+
+
+def print_single_value(query, printer):
+    try:
+        cmd, option = query.split('.')
+    except ValueError:
+        return 2
+
+    parser = parse_config(cmd)
+    value = parser.get_config_file_value(option)
+    printer(value)
+    return 0 if value else 1
+
+
+def single_value_printer(value):
+    if (value):
+        print(value)
+
+
+def main(argv):
+    retval = 0
+
+    (options, args) = parse_args(argv)
+    gbp.log.setup(options.color, options.verbose, options.color_scheme)
+
+    if not args:
+        gbp.log.error("No command given")
+        return 2
+    elif len(args) != 2:
+        gbp.log.error("Can only print a single value")
+        return 2
+    else:
+        query = args[1]
+
+    retval = print_single_value(query, single_value_printer)
+    return retval
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
+
+# vim:et:ts=4:sw=4:et:sts=4:ai:set list listchars=tab\:»·,trail\:·: