Add import -p option

[stgit] / stgit / commands / pull.py

diff --git a/stgit/commands/pull.py b/stgit/commands/pull.py
index 2d4a78242d29f3276ab4743548ae6744ac3b5d4e..f6d139824ba2df0246d540798f4252478406a803 100644 (file)
--- a/stgit/commands/pull.py
+++ b/stgit/commands/pull.py
@@ -16,16 +16,17 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 """
 
 import sys, os
-from optparse import OptionParser, make_option
-
+from stgit.argparse import opt
 from stgit.commands.common import *
 from stgit.utils import *
-from stgit import stack, git
-
-
-help = 'pull the changes from the remote repository'
-usage = """%prog [options] [<repository>]
-
+from stgit.out import *
+from stgit.config import GitConfigException
+from stgit import argparse, stack, git
+
+help = 'Pull changes from a remote repository'
+kind = 'stack'
+usage = ['[options] [<repository>]']
+description = """
 Pull the latest changes from the given remote repository (defaulting
 to branch.<name>.remote, or 'origin' if not set). This command works
 by popping all the patches from the stack, pulling the changes in the
@@ -36,55 +37,73 @@ resolved and the patch pushed again.
 
 Check the 'git fetch' documentation for the <repository> format."""
 
-options = [make_option('-n', '--nopush',
-                       help = 'do not push the patches back after pulling',
-                       action = 'store_true'),
-           make_option('-m', '--merged',
-                       help = 'check for patches merged upstream',
-                       action = 'store_true')]
+args = [argparse.repo]
+options = [
+    opt('-n', '--nopush', action = 'store_true',
+        short = 'Do not push the patches back after pulling'),
+    opt('-m', '--merged', action = 'store_true',
+        short = 'Check for patches merged upstream')]
+
+directory = DirectoryGotoToplevel(log = True)
 
 def func(parser, options, args):
     """Pull the changes from a remote repository
     """
-    if len(args) > 1:
-        parser.error('incorrect number of arguments')
+    policy = config.get('branch.%s.stgit.pull-policy' % crt_series.get_name()) or \
+             config.get('stgit.pull-policy')
+
+    if policy == 'rebase':
+        # parent is local
+        if len(args) == 1:
+            parser.error('specifying a repository is meaningless for policy="%s"' % policy)
+        if len(args) > 0:
+            parser.error('incorrect number of arguments')
 
-    if len(args) >= 1:
-        repository = args[0]
     else:
-        repository = crt_series.get_parent_remote()
+        # parent is remote
+        if len(args) > 1:
+            parser.error('incorrect number of arguments')
+
+        if len(args) >= 1:
+            repository = args[0]
+        else:
+            repository = crt_series.get_parent_remote()
 
     if crt_series.get_protected():
         raise CmdException, 'This branch is protected. Pulls are not permitted'
 
     check_local_changes()
     check_conflicts()
-    check_head_top_equal()
+    check_head_top_equal(crt_series)
+
+    if policy not in ['pull', 'fetch-rebase', 'rebase']:
+        raise GitConfigException, 'Unsupported pull-policy "%s"' % policy
 
-    # pop all patches
-    applied = crt_series.get_applied()
-    if len(applied) > 0:
-        print 'Popping all applied patches...',
-        sys.stdout.flush()
-        crt_series.pop_patch(applied[0])
-        print 'done'
+    applied = prepare_rebase(crt_series)
 
     # pull the remote changes
-    print 'Pulling from "%s"...' % repository
-    git.fetch(repository)
-    if (config.get('stgit.pull-does-rebase') == 'yes'):
-        fetch_head = git.fetch_head()
-        if fetch_head != git.get_head():
-            print 'rebasing to "%s"...' % fetch_head
-            git.reset(tree_id = fetch_head)
-    print 'done'
-
-    # push the patches back
-    if not options.nopush:
-        push_patches(applied, options.merged)
+    if policy == 'pull':
+        out.info('Pulling from "%s"' % repository)
+        git.pull(repository)
+    elif policy == 'fetch-rebase':
+        out.info('Fetching from "%s"' % repository)
+        git.fetch(repository)
+        try:
+            target = git.fetch_head()
+        except git.GitException:
+            out.error('Could not find the remote head to rebase onto - fix branch.%s.merge in .git/config' % crt_series.get_name())
+            out.error('Pushing any patches back...')
+            post_rebase(crt_series, applied, False, False)
+            raise
+
+        rebase(crt_series, target)
+    elif policy == 'rebase':
+        rebase(crt_series, crt_series.get_parent_branch())
+
+    post_rebase(crt_series, applied, options.nopush, options.merged)
 
     # maybe tidy up
     if config.get('stgit.keepoptimized') == 'yes':
         git.repack()
 
-    print_crt_patch()
+    print_crt_patch(crt_series)