scripts: Add setup-gitattributes subcommand

The setup-gitattributes subcommands overrides Git attributes
unconditionally, without verifying first the package ships any
.gitattributes files.

Signed-off-by: Andrej Shadura <andrew.shadura@collabora.co.uk>

diff --git a/gbp/scripts/setup_gitattributes.py b/gbp/scripts/setup_gitattributes.py
new file mode 100644 (file)
index 0000000..23eaf36
--- /dev/null
+++ b/gbp/scripts/setup_gitattributes.py
@@ -0,0 +1,90 @@
+# vim: set fileencoding=utf-8 :
+#
+# (C) 2021 Andrej Shadura <andrew@shadura.me>
+# (C) 2021 Collabora Limited
+#    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, please see
+#    <http://www.gnu.org/licenses/>
+#
+"""Setup Git attributes to incapacitate .gitattributes shipped by the upstream"""
+
+import os
+import sys
+import gbp.log
+from gbp.command_wrappers import CommandExecFailed
+from gbp.config import GbpOptionParserDebian
+from gbp.deb.git import GitRepositoryError, DebianGitRepository
+from gbp.errors import GbpError
+from gbp.scripts.common import ExitCodes
+from gbp.scripts.common.repo_setup import setup_gitattributes
+
+
+def build_parser(name):
+    try:
+        parser = GbpOptionParserDebian(command=os.path.basename(name), prefix='',
+                                       usage='%prog - disable harmful Git attributes')
+    except GbpError as err:
+        gbp.log.err(err)
+        return None
+
+    parser.add_option("--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
+
+
+def parse_args(argv):
+    """Parse the command line arguments
+    @return: options and arguments
+    """
+
+    parser = build_parser(argv[0])
+    if not parser:
+        return None, None
+
+    (options, args) = parser.parse_args(argv[1:])
+    gbp.log.setup(options.color, options.verbose, options.color_scheme)
+    return options, args
+
+
+def main(argv):
+    repo = None
+
+    (options, args) = parse_args(argv)
+    if not options:
+        return ExitCodes.parse_error
+
+    try:
+        try:
+            repo = DebianGitRepository('.')
+        except GitRepositoryError:
+            raise GbpError("%s is not a git repository" % (os.path.abspath('.')))
+
+        setup_gitattributes(repo)
+    except (GitRepositoryError, GbpError, CommandExecFailed) as err:
+        if str(err):
+            gbp.log.err(err)
+    except KeyboardInterrupt:
+        gbp.log.err("Interrupted. Aborting.")
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main(sys.argv))
+
+# vim:et:ts=4:sw=4:et:sts=4:ai:set list listchars=tab\:»·,trail\:·: