aboutsummaryrefslogtreecommitdiffstats
path: root/libbe
diff options
context:
space:
mode:
Diffstat (limited to 'libbe')
-rw-r--r--libbe/arch.py12
-rw-r--r--libbe/bzr.py8
-rw-r--r--libbe/darcs.py43
-rw-r--r--libbe/git.py13
-rw-r--r--libbe/hg.py16
-rw-r--r--libbe/rcs.py46
6 files changed, 114 insertions, 24 deletions
diff --git a/libbe/arch.py b/libbe/arch.py
index 2f45aa9..1bdc8ae 100644
--- a/libbe/arch.py
+++ b/libbe/arch.py
@@ -176,7 +176,6 @@ class Arch(RCS):
self._get_archive_project_name(root)
return root
-
def _get_archive_name(self, root):
status,output,error = self._u_invoke_client("archives")
lines = output.split('\n')
@@ -188,7 +187,6 @@ class Arch(RCS):
if os.path.realpath(location) == os.path.realpath(root):
self._archive_name = archive
assert self._archive_name != None
-
def _get_archive_project_name(self, root):
# get project names
status,output,error = self._u_invoke_client("tree-version", directory=root)
@@ -281,6 +279,16 @@ class Arch(RCS):
assert revpath.startswith(self._archive_project_name()+'--')
revision = revpath[len(self._archive_project_name()+'--'):]
return revpath
+ def _rcs_revision_id(self, index):
+ status,output,error = self._u_invoke_client("logs")
+ logs = output.splitlines()
+ first_log = logs.pop(0)
+ assert first_log == "base-0", first_log
+ try:
+ log = logs[index]
+ except IndexError:
+ return None
+ return "%s--%s" % (self._archive_project_name(), log)
class CantAddFile(Exception):
def __init__(self, file):
diff --git a/libbe/bzr.py b/libbe/bzr.py
index b33292c..7457815 100644
--- a/libbe/bzr.py
+++ b/libbe/bzr.py
@@ -93,6 +93,14 @@ class Bzr(RCS):
assert len(match.groups()) == 1
revision = match.groups()[0]
return revision
+ def _rcs_revision_id(self, index):
+ status,output,error = self._u_invoke_client("revno")
+ current_revision = int(output)
+ if index >= current_revision or index < -current_revision:
+ return None
+ if index >= 0:
+ return str(index+1) # bzr commit 0 is the empty tree.
+ return str(current_revision+index+1)
def postcommit(self):
try:
self._u_invoke_client('merge')
diff --git a/libbe/darcs.py b/libbe/darcs.py
index e7132c0..0720ed9 100644
--- a/libbe/darcs.py
+++ b/libbe/darcs.py
@@ -18,8 +18,13 @@ import codecs
import os
import re
import sys
-import unittest
+try: # import core module, Python >= 2.5
+ from xml.etree import ElementTree
+except ImportError: # look for non-core module
+ from elementtree import ElementTree
+from xml.sax.saxutils import unescape
import doctest
+import unittest
import rcs
from rcs import RCS
@@ -138,24 +143,36 @@ class Darcs(RCS):
args = ['record', '--all', '--author', id, '--logfile', commitfile]
status,output,error = self._u_invoke_client(*args)
empty_strings = ["No changes!"]
- revision = None
if self._u_any_in_string(empty_strings, output) == True:
if allow_empty == False:
raise rcs.EmptyCommit()
- else: # we need a extra call to get the current revision
- args = ["changes", "--last=1", "--xml"]
- status,output,error = self._u_invoke_client(*args)
- revline = re.compile("[ \t]*<name>(.*)</name>")
- # note that darcs does _not_ make an empty revision.
- # this returns the last non-empty revision id...
+ # note that darcs does _not_ make an empty revision.
+ # this returns the last non-empty revision id...
+ revision = self._rcs_revision_id(-1)
else:
revline = re.compile("Finished recording patch '(.*)'")
- match = revline.search(output)
- assert match != None, output+error
- assert len(match.groups()) == 1
- revision = match.groups()[0]
+ match = revline.search(output)
+ assert match != None, output+error
+ assert len(match.groups()) == 1
+ revision = match.groups()[0]
return revision
-
+ def _rcs_revision_id(self, index):
+ status,output,error = self._u_invoke_client("changes", "--xml")
+ revisions = []
+ xml_str = output.encode("unicode_escape").replace(r"\n", "\n")
+ element = ElementTree.XML(xml_str)
+ assert element.tag == "changelog", element.tag
+ for patch in element.getchildren():
+ assert patch.tag == "patch", patch.tag
+ for child in patch.getchildren():
+ if child.tag == "name":
+ text = unescape(unicode(child.text).decode("unicode_escape").strip())
+ revisions.append(text)
+ revisions.reverse()
+ try:
+ return revisions[index]
+ except IndexError:
+ return None
rcs.make_rcs_testcase_subclasses(Darcs, sys.modules[__name__])
diff --git a/libbe/git.py b/libbe/git.py
index 2f9ffa9..2b45679 100644
--- a/libbe/git.py
+++ b/libbe/git.py
@@ -111,7 +111,18 @@ class Git(RCS):
assert match != None, output+error
assert len(match.groups()) == 3
revision = match.groups()[1]
- return revision
+ full_revision = self._rcs_revision_id(-1)
+ assert full_revision.startswith(revision), \
+ "Mismatched revisions:\n%s\n%s" % (revision, full_revision)
+ return full_revision
+ def _rcs_revision_id(self, index):
+ args = ["rev-list", "--first-parent", "--reverse", "HEAD"]
+ status,output,error = self._u_invoke_client(*args)
+ commits = output.splitlines()
+ try:
+ return commits[index]
+ except IndexError:
+ return None
rcs.make_rcs_testcase_subclasses(Git, sys.modules[__name__])
diff --git a/libbe/hg.py b/libbe/hg.py
index a20eeb5..fcda829 100644
--- a/libbe/hg.py
+++ b/libbe/hg.py
@@ -80,14 +80,14 @@ class Hg(RCS):
strings = ["nothing changed"]
if self._u_any_in_string(strings, output) == True:
raise rcs.EmptyCommit()
- status,output,error = self._u_invoke_client('identify')
- revision = None
- revline = re.compile("(.*) tip")
- match = revline.search(output)
- assert match != None, output+error
- assert len(match.groups()) == 1
- revision = match.groups()[0]
- return revision
+ return self._rcs_revision_id(-1)
+ def _rcs_revision_id(self, index, style="id"):
+ args = ["identify", "--rev", str(int(index)), "--%s" % style]
+ kwargs = {"expect": (0,255)}
+ status,output,error = self._u_invoke_client(*args, **kwargs)
+ if status == 0:
+ return output.strip()
+ return None
rcs.make_rcs_testcase_subclasses(Hg, sys.modules[__name__])
diff --git a/libbe/rcs.py b/libbe/rcs.py
index 1e1cfa7..d979df0 100644
--- a/libbe/rcs.py
+++ b/libbe/rcs.py
@@ -214,6 +214,16 @@ class RCS(object):
changes to commit.
"""
return None
+ def _rcs_revision_id(self, index):
+ """
+ Return the name of the <index>th revision. Index will be an
+ integer (possibly <= 0). The choice of which branch to follow
+ when crossing branches/merges is not defined.
+
+ Return None if revision IDs are not supported, or if the
+ specified revision does not exist.
+ """
+ return None
def installed(self):
try:
self._rcs_help()
@@ -407,6 +417,18 @@ class RCS(object):
pass
def postcommit(self, directory):
pass
+ def revision_id(self, index=None):
+ """
+ Return the name of the <index>th revision. The choice of
+ which branch to follow when crossing branches/merges is not
+ defined.
+
+ Return None if index==None, revision IDs are not supported, or
+ if the specified revision does not exist.
+ """
+ if index == None:
+ return None
+ return self._rcs_revision_id(index)
def _u_any_in_string(self, list, string):
"""
Return True if any of the strings in list are in string.
@@ -814,6 +836,30 @@ class RCS_commit_TestCase(RCSTestCase):
self.failUnlessEqual(
self.test_contents['rev_1'], committed_contents)
+ def test_revision_id_as_committed(self):
+ """Check for compatibility between .commit() and .revision_id()"""
+ if not self.rcs.versioned:
+ self.failUnlessEqual(self.rcs.revision_id(5), None)
+ return
+ committed_revisions = []
+ for path in self.test_files:
+ full_path = self.full_path(path)
+ self.rcs.set_file_contents(
+ full_path, self.test_contents['rev_1'])
+ revision = self.rcs.commit("Initial %s contents." % path)
+ committed_revisions.append(revision)
+ self.rcs.set_file_contents(
+ full_path, self.test_contents['uncommitted'])
+ revision = self.rcs.commit("Altered %s contents." % path)
+ committed_revisions.append(revision)
+ for i,revision in enumerate(committed_revisions):
+ self.failUnlessEqual(self.rcs.revision_id(i), revision)
+ i += -len(committed_revisions) # check negative indices
+ self.failUnlessEqual(self.rcs.revision_id(i), revision)
+ i = len(committed_revisions)
+ self.failUnlessEqual(self.rcs.revision_id(i), None)
+ self.failUnlessEqual(self.rcs.revision_id(-i-1), None)
+
class RCS_duplicate_repo_TestCase(RCSTestCase):
"""Test cases for RCS.duplicate_repo method."""