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974.1.26
by aaron.bentley at utoronto
merged mbp@sourcefrog.net-20050817233101-0939da1cf91f2472 |
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*** modified file 'bzrlib/merge.py' |
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--- bzrlib/merge.py
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+++ bzrlib/merge.py
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@@ -105,14 +105,21 @@
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location, revno = treespec |
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branch = find_branch(location) |
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if revno is None: |
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+ rev_id = None
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+ elif revno == -1:
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+ rev_id = branch.last_patch()
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+ else:
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+ rev_id = branch.lookup_revision(revno)
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+ return branch, get_revid_tree(branch, rev_id, temp_root, label)
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+
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+def get_revid_tree(branch, rev_id, temp_root, label):
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+ if rev_id is None:
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base_tree = branch.working_tree() |
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- elif revno == -1:
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- base_tree = branch.basis_tree()
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else: |
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- base_tree = branch.revision_tree(branch.lookup_revision(revno))
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+ base_tree = branch.revision_tree(rev_id)
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temp_path = os.path.join(temp_root, label) |
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os.mkdir(temp_path) |
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- return branch, MergeTree(base_tree, temp_path)
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+ return MergeTree(base_tree, temp_path)
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def abspath(tree, file_id): |
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@@ -178,30 +185,68 @@
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If true, this_dir must have no uncommitted changes before the |
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merge begins. |
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""" |
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+ from bzrlib.revision import common_ancestor, MultipleRevisionSources
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+ from bzrlib.branch import NoSuchRevision
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tempdir = tempfile.mkdtemp(prefix="bzr-") |
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try: |
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if this_dir is None: |
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this_dir = '.' |
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this_branch = find_branch(this_dir) |
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+ this_rev_id = this_branch.last_patch()
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+ if this_rev_id is None:
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+ raise BzrCommandError("This branch has no commits")
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if check_clean: |
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changes = compare_trees(this_branch.working_tree(), |
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this_branch.basis_tree(), False) |
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if changes.has_changed(): |
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raise BzrCommandError("Working tree has uncommitted changes.")
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other_branch, other_tree = get_tree(other_revision, tempdir, "other") |
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+ if other_revision[1] == -1:
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+ other_rev_id = other_branch.last_patch()
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+ other_basis = other_rev_id
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+ elif other_revision[1] is not None:
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+ other_rev_id = other_branch.lookup_revision(other_revision[1])
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+ other_basis = other_rev_id
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+ else:
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+ other_rev_id = None
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+ other_basis = other_branch.last_patch()
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if base_revision == [None, None]: |
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if other_revision[1] == -1: |
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o_revno = None |
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else: |
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o_revno = other_revision[1] |
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- base_revno = this_branch.common_ancestor(other_branch,
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- other_revno=o_revno)[0]
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- if base_revno is None:
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+ base_rev_id = common_ancestor(this_rev_id, other_basis,
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+ MultipleRevisionSources(this_branch,
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+ other_branch))
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+ if base_rev_id is None:
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raise UnrelatedBranches() |
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- base_revision = ['.', base_revno]
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- base_branch, base_tree = get_tree(base_revision, tempdir, "base")
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+ try:
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+ base_revision = this_branch.get_revision(base_rev_id)
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+ base_branch = this_branch
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+ except NoSuchRevision:
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+ base_branch = other_branch
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+ base_tree = get_revid_tree(base_branch, base_rev_id, tempdir,
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+ "base")
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+ base_is_ancestor = True
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+ else:
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+ base_branch, base_tree = get_tree(base_revision, tempdir, "base")
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+ if base_revision[1] == -1:
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+ base_rev_id = base_branch.last_patch()
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+ elif base_revision[1] is None:
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+ base_rev_id = None
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+ else:
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+ base_rev_id = base_branch.lookup_revision(base_revision[1])
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+ if base_rev_id is not None:
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+ base_is_ancestor = is_ancestor(this_rev_id, base_rev_id,
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+ MultipleRevisionSources(
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+ this_branch,
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+ base_branch))
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+ else:
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+ base_is_ancestor = False
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merge_inner(this_branch, other_tree, base_tree, tempdir, |
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ignore_zero=ignore_zero) |
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+ if base_is_ancestor and other_rev_id is not None:
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+ this_branch.add_pending_merge(other_rev_id)
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finally: |
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shutil.rmtree(tempdir) |
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