push: new command to push changes in one go

Closes: #733639

1 files changed, 169 insertions, 0 deletions

diff --git a/gbp/scripts/push.py b/gbp/scripts/push.py
new file mode 100755
index 00000000..d74417d1
--- /dev/null
+++ b/gbp/scripts/push.py
@@ -0,0 +1,169 @@
+#!/usr/bin/python3
+# vim: set fileencoding=utf-8 :
+#
+# (C) 2017 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, please see
+#    <http://www.gnu.org/licenses/>
+"""Push your changes to a remote"""
+
+import os
+import sys
+
+import gbp.log
+from gbp.config import GbpOptionParserDebian
+from gbp.deb.git import DebianGitRepository, GitRepositoryError
+from gbp.deb.source import DebianSource
+from gbp.errors import GbpError
+from gbp.scripts.common import ExitCodes
+
+
+def build_parser(name):
+    try:
+        parser = GbpOptionParserDebian(command=os.path.basename(name),
+                                       usage='%prog [options]')
+    except GbpError as err:
+        gbp.log.err(err)
+        return None
+
+    parser.add_option("-d", "--dry-run", dest="dryrun", default=False,
+                      action="store_true", help="dry run, don't push.")
+    parser.add_config_file_option(option_name="upstream-branch",
+                                  dest="upstream_branch")
+    parser.add_config_file_option(option_name="upstream-tag",
+                                  dest="upstream_tag")
+    parser.add_config_file_option(option_name="debian-branch",
+                                  dest="debian_branch")
+    parser.add_config_file_option(option_name="debian-tag",
+                                  dest="debian_tag")
+    parser.add_boolean_config_file_option(option_name="pristine-tar",
+                                          dest="pristine_tar")
+    parser.add_boolean_config_file_option(option_name="ignore-branch", dest="ignore_branch")
+    parser.add_config_file_option(option_name="color", dest="color", type='tristate')
+    parser.add_config_file_option(option_name="color-scheme",
+                                  dest="color_scheme")
+    parser.add_option("--verbose", action="store_true", dest="verbose",
+                      default=False, help="verbose command execution")
+    return parser
+
+
+def parse_args(argv):
+    parser = build_parser(argv[0])
+    if not parser:
+        return None, None
+    return parser.parse_args(argv)
+
+
+def do_push(repo, dests, to_push, dry_run):
+    verb = "Dry-run: Pushing" if dry_run else "Pushing"
+    for dest in dests:
+        for tag in to_push['tags']:
+            gbp.log.info("%s %s to %s" % (verb, tag, dest))
+            repo.push_tag(dest, tag, dry_run=dry_run)
+        for k, v in to_push['refs'].items():
+            gbp.log.info("%s %s to %s:%s" % (verb, v, dest, k))
+            repo.push(dest, v, k, dry_run=dry_run)
+
+
+def get_push_src(repo, ref, tag):
+    """
+    Determine wether we can push the ref
+
+    If the ref is further ahead than the tag
+    we only want to push up to this tag.
+    """
+    commit = repo.rev_parse("%s^{commit}" % tag)
+    if repo.rev_parse(ref) == commit:
+        return ref
+    else:
+        return commit
+
+
+def get_remote(repo, branch):
+    remote_branch = repo.get_merge_branch(branch)
+    return remote_branch.split('/')[0] if remote_branch else 'origin'
+
+
+def main(argv):
+    retval = 1
+    branch = None
+    dest = None
+    to_push = {
+        'refs': {},
+        'tags': [],
+    }
+
+    (options, args) = parse_args(argv)
+    if not options:
+        return ExitCodes.parse_error
+
+    if len(args) > 2:
+        gbp.log.err("Only a single remote repository can be given")
+    elif len(args) == 2:
+        dest = args[1]
+
+    gbp.log.setup(options.color, options.verbose, options.color_scheme)
+    try:
+        repo = DebianGitRepository(os.path.curdir, toplevel=False)
+    except GitRepositoryError:
+        gbp.log.err("%s is not inside a git repository" % (os.path.abspath('.')))
+        return 1
+
+    try:
+        source = DebianSource(repo.path)
+        branch = repo.get_branch()
+        if not options.ignore_branch:
+            if branch != options.debian_branch:
+                gbp.log.err("You are not on branch '%s' but on '%s'" % (options.debian_branch, branch))
+                raise GbpError("Use --git-ignore-branch to ignore or --git-debian-branch to set the branch name.")
+
+        if not dest:
+            dest = get_remote(repo, branch)
+
+        dtag = repo.version_to_tag(options.debian_tag, source.version)
+        if repo.has_tag(dtag):
+            to_push['tags'].append(dtag)
+            if source.is_releasable() and branch:
+                ref = 'refs/heads/%s' % branch
+                to_push['refs'][ref] = get_push_src(repo, ref, dtag)
+
+        if not source.is_native():
+            utag = repo.version_to_tag(options.upstream_tag,
+                                       source.upstream_version)
+            if repo.has_tag(utag):
+                to_push['tags'].append(utag)
+                ref = 'refs/heads/%s' % options.upstream_branch
+                to_push['refs'][ref] = get_push_src(repo, ref, utag)
+
+            if options.pristine_tar:
+                commit = repo.get_pristine_tar_commit(source)
+                if commit:
+                    ref = 'refs/heads/pristine-tar'
+                    to_push['refs'][ref] = get_push_src(repo, ref, commit)
+
+        do_push(repo,
+                [dest],
+                to_push,
+                dry_run=options.dryrun)
+        retval = 0
+    except (GbpError, GitRepositoryError) as err:
+        if str(err):
+            gbp.log.err(err)
+
+    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\:·: