patman: Implement the series subcommand

Add a command to support management of series. These are local branches
which may have been sent to the mailing list, so may appear on the
patchwork server.

The new functionality uses a database, stored in a local file.

Various operations are supported:
   - add a new series
   - send a series and automatically link it with patchwork
   - 'increment' the version, to prepare to send an updated series
   - gather review/test tags from patchwork
   - check on progress, i.e. patches which are received new tags or
     comments
   - show comments on patches and cover letters

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/patman/cmdline.py b/tools/patman/cmdline.py
index 18434af..10ed1b1 100644
--- a/tools/patman/cmdline.py
+++ b/tools/patman/cmdline.py
@@ -22,10 +22,21 @@
 
 # Aliases for subcommands
 ALIASES = {
+    'series': ['s', 'ser'],
     'status': ['st'],
     'patchwork': ['pw'],
+
+    # Series aliases
+    'archive': ['ar'],
+    'autolink': ['au'],
+    'gather': ['g'],
+    'open': ['o'],
+    'progress': ['p', 'pr', 'prog'],
+    'rm-version': ['rmv'],
+    'unarchive': ['unar'],
     }
 
+
 class ErrorCatchingArgumentParser(argparse.ArgumentParser):
     def __init__(self, **kwargs):
         self.exit_state = None
@@ -120,6 +131,11 @@
     parser.add_argument('-c', '--show-comments', action='store_true',
                         help='Show comments from each patch')
 
+
+def _add_show_cover_comments(parser):
+    parser.add_argument('-C', '--show-cover-comments', action='store_true',
+                        help='Show comments from the cover letter')
+
 
 def add_patchwork_subparser(subparsers):
     """Add the 'patchwork' subparser
@@ -143,6 +159,171 @@
         'project_name', help="Patchwork project name, e.g. 'U-Boot'")
     return patchwork
 
+
+def add_series_subparser(subparsers):
+    """Add the 'series' subparser
+
+    Args:
+        subparsers (argparse action): Subparser parent
+
+    Return:
+        ArgumentParser: series subparser
+    """
+    def _add_allow_unmarked(parser):
+        parser.add_argument('-M', '--allow-unmarked', action='store_true',
+                            default=False,
+                            help="Don't require commits to be marked")
+
+    def _add_mark(parser):
+        parser.add_argument(
+            '-m', '--mark', action='store_true',
+            help='Mark unmarked commits with a Change-Id field')
+
+    def _add_update(parser):
+        parser.add_argument('-u', '--update', action='store_true',
+                            help='Update the branch commit')
+
+    def _add_wait(parser, default_s):
+        """Add a -w option to a parser
+
+        Args:
+            parser (ArgumentParser): Parser to adjust
+            default_s (int): Default value to use, in seconds
+        """
+        parser.add_argument(
+            '-w', '--autolink-wait', type=int, default=default_s,
+            help='Seconds to wait for patchwork to get a sent series')
+
+    def _upstream_add(parser):
+        parser.add_argument('-U', '--upstream', help='Commit to end before')
+
+    def _add_gather(parser):
+        parser.add_argument(
+            '-G', '--no-gather-tags', dest='gather_tags', default=True,
+            action='store_false',
+            help="Don't gather review/test tags / update local series")
+
+    series = subparsers.add_parser('series', aliases=ALIASES['series'],
+                                   help='Manage series of patches')
+    series.defaults_cmds = [
+        ['set-link', 'fred'],
+    ]
+    series.add_argument(
+        '-n', '--dry-run', action='store_true', dest='dry_run', default=False,
+        help="Do a dry run (create but don't email patches)")
+    series.add_argument('-s', '--series', help='Name of series')
+    series.add_argument('-V', '--version', type=int,
+                        help='Version number to link')
+    series_subparsers = series.add_subparsers(dest='subcmd')
+
+    # This causes problem at present, perhaps due to the 'defaults' handling in
+    # settings
+    # series_subparsers.required = True
+
+    add = series_subparsers.add_parser('add')
+    add.add_argument('-D', '--desc',
+                     help='Series description / cover-letter title')
+    add.add_argument(
+        '-f', '--force-version', action='store_true',
+        help='Change the Series-version on a series to match its branch')
+    _add_mark(add)
+    _add_allow_unmarked(add)
+    _upstream_add(add)
+
+    series_subparsers.add_parser('archive', aliases=ALIASES['archive'])
+
+    auto = series_subparsers.add_parser('autolink',
+                                        aliases=ALIASES['autolink'])
+    _add_update(auto)
+    _add_wait(auto, 0)
+
+    aall = series_subparsers.add_parser('autolink-all')
+    aall.add_argument('-a', '--link-all-versions', action='store_true',
+                      help='Link all series versions, not just the latest')
+    aall.add_argument('-r', '--replace-existing', action='store_true',
+                      help='Replace existing links')
+    _add_update(aall)
+
+    series_subparsers.add_parser('dec')
+
+    gat = series_subparsers.add_parser('gather', aliases=ALIASES['gather'])
+    _add_gather(gat)
+    _add_show_comments(gat)
+    _add_show_cover_comments(gat)
+
+    sall = series_subparsers.add_parser('gather-all')
+    sall.add_argument(
+        '-a', '--gather-all-versions', action='store_true',
+        help='Gather tags from all series versions, not just the latest')
+    _add_gather(sall)
+    _add_show_comments(sall)
+    _add_show_cover_comments(sall)
+
+    series_subparsers.add_parser('get-link')
+    series_subparsers.add_parser('inc')
+    series_subparsers.add_parser('ls')
+
+    mar = series_subparsers.add_parser('mark')
+    mar.add_argument('-m', '--allow-marked', action='store_true',
+                     default=False,
+                     help="Don't require commits to be unmarked")
+
+    series_subparsers.add_parser('open', aliases=ALIASES['open'])
+    pat = series_subparsers.add_parser(
+        'patches', epilog='Show a list of patches and optional details')
+    pat.add_argument('-t', '--commit', action='store_true',
+                     help='Show the commit and diffstat')
+    pat.add_argument('-p', '--patch', action='store_true',
+                     help='Show the patch body')
+
+    prog = series_subparsers.add_parser('progress',
+                                        aliases=ALIASES['progress'])
+    prog.add_argument('-a', '--show-all-versions', action='store_true',
+                      help='Show all series versions, not just the latest')
+    prog.add_argument('-l', '--list-patches', action='store_true',
+                      help='List patch subject and status')
+
+    ren = series_subparsers.add_parser('rename')
+    ren.add_argument('-N', '--new-name', help='New name for the series')
+
+    series_subparsers.add_parser('rm')
+    series_subparsers.add_parser('rm-version', aliases=ALIASES['rm-version'])
+
+    scan = series_subparsers.add_parser('scan')
+    _add_mark(scan)
+    _add_allow_unmarked(scan)
+    _upstream_add(scan)
+
+    ssend = series_subparsers.add_parser('send')
+    add_send_args(ssend)
+    ssend.add_argument(
+        '--no-autolink', action='store_false', default=True, dest='autolink',
+        help='Monitor patchwork after sending so the series can be autolinked')
+    _add_wait(ssend, 120)
+
+    setl = series_subparsers.add_parser('set-link')
+    _add_update(setl)
+
+    setl.add_argument(
+        'link', help='Link to use, i.e. patchwork series number (e.g. 452329)')
+    stat = series_subparsers.add_parser('status', aliases=ALIASES['status'])
+    _add_show_comments(stat)
+    _add_show_cover_comments(stat)
+
+    series_subparsers.add_parser('summary')
+
+    series_subparsers.add_parser('unarchive', aliases=ALIASES['unarchive'])
+
+    unm = series_subparsers.add_parser('unmark')
+    _add_allow_unmarked(unm)
+
+    ver = series_subparsers.add_parser(
+        'version-change', help='Change a version to a different version')
+    ver.add_argument('--new-version', type=int,
+                     help='New version number to change this one too')
+
+    return series
+
 
 def add_send_subparser(subparsers):
     """Add the 'send' subparser
@@ -230,6 +411,7 @@
     subparsers = parser.add_subparsers(dest='cmd')
     add_send_subparser(subparsers)
     patchwork = add_patchwork_subparser(subparsers)
+    series = add_series_subparser(subparsers)
     add_status_subparser(subparsers)
 
     # Only add the 'test' action if the test data files are available.
@@ -240,6 +422,7 @@
 
     parsers = {
         'main': parser,
+        'series': series,
         'patchwork': patchwork,
         }
     return parsers