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authorW. Trevor King <wking@drexel.edu>2010-01-18 16:35:33 -0500
committerW. Trevor King <wking@drexel.edu>2010-01-18 16:35:33 -0500
commita1eaad0ac5250ed062d86a3636ca06ec9aa95b67 (patch)
treeed96578631b941242b296d697a52d664311a7e57 /libbe
parentf0fa5a2de59c409301b908d675d028bf2fe5e541 (diff)
downloadbugseverywhere-a1eaad0ac5250ed062d86a3636ca06ec9aa95b67.tar.gz
Added changed() support for Darcs
Diffstat (limited to 'libbe')
-rw-r--r--libbe/storage/vcs/darcs.py127
1 files changed, 110 insertions, 17 deletions
diff --git a/libbe/storage/vcs/darcs.py b/libbe/storage/vcs/darcs.py
index 92dc1a7..c6892b4 100644
--- a/libbe/storage/vcs/darcs.py
+++ b/libbe/storage/vcs/darcs.py
@@ -157,24 +157,14 @@ class Darcs(base.VCS):
return output
# Darcs versions < 2.0.0pre2 lack the 'show contents' command
- status,output,error = self._u_invoke_client( \
- 'diff', '--unified', '--from-patch', revision, path,
- unicode_output=False)
- major_patch = output
- status,output,error = self._u_invoke_client( \
- 'diff', '--unified', '--patch', revision, path,
- unicode_output=False)
- target_patch = output
+ patch = self._diff(revision, path=path, unicode_output=False)
# '--output -' to be supported in GNU patch > 2.5.9
# but that hasn't been released as of June 30th, 2009.
# Rewrite path to status before the patch we want
args=['patch', '--reverse', path]
- status,output,error = self._u_invoke(args, stdin=major_patch)
- # Now apply the patch we want
- args=['patch', path]
- status,output,error = self._u_invoke(args, stdin=target_patch)
+ status,output,error = self._u_invoke(args, stdin=patch)
if os.path.exists(os.path.join(self.repo, path)) == True:
contents = base.VCS._vcs_get_file_contents(self, path)
@@ -182,11 +172,8 @@ class Darcs(base.VCS):
contents = ''
# Now restore path to it's current incarnation
- args=['patch', '--reverse', path]
- status,output,error = self._u_invoke(args, stdin=target_patch)
args=['patch', path]
- status,output,error = self._u_invoke(args, stdin=major_patch)
- current_contents = base.VCS._vcs_get_file_contents(self, path)
+ status,output,error = self._u_invoke(args, stdin=patch)
return contents
def _vcs_path(self, id, revision):
@@ -257,7 +244,10 @@ class Darcs(base.VCS):
revision = match.groups()[0]
return revision
- def _vcs_revision_id(self, index):
+ def _revisions(self):
+ """
+ Return a list of revisions in the repository.
+ """
status,output,error = self._u_invoke_client('changes', '--xml')
revisions = []
xml_str = output.encode('unicode_escape').replace(r'\n', '\n')
@@ -270,6 +260,10 @@ class Darcs(base.VCS):
text = unescape(unicode(child.text).decode('unicode_escape').strip())
revisions.append(text)
revisions.reverse()
+ return revisions
+
+ def _vcs_revision_id(self, index):
+ revisions = self._revisions()
try:
if index > 0:
return revisions[index-1]
@@ -280,6 +274,105 @@ class Darcs(base.VCS):
except IndexError:
return None
+ def _diff(self, revision, path=None, unicode_output=True):
+ revisions = self._revisions()
+ i = revisions.index(revision)
+ args = ['diff', '--unified']
+ if i+1 < len(revisions):
+ next_rev = revisions[i+1]
+ args.extend(['--from-patch', next_rev])
+ if path != None:
+ args.append(path)
+ kwargs = {'unicode_output':unicode_output}
+ status,output,error = self._u_invoke_client(
+ *args, **kwargs)
+ return output
+
+ def _parse_diff(self, diff_text):
+ """
+ Example diff text:
+
+ Mon Jan 18 15:19:30 EST 2010 None <None@invalid.com>
+ * Final state
+ diff -rN --unified old-BEtestgQtDuD/.be/dir/bugs/modified new-BEtestgQtDuD/.be/dir/bugs/modified
+ --- old-BEtestgQtDuD/.be/dir/bugs/modified 2010-01-18 15:19:30.000000000 -0500
+ +++ new-BEtestgQtDuD/.be/dir/bugs/modified 2010-01-18 15:19:30.000000000 -0500
+ @@ -1 +1 @@
+ -some value to be modified
+ \ No newline at end of file
+ +a new value
+ \ No newline at end of file
+ diff -rN --unified old-BEtestgQtDuD/.be/dir/bugs/moved new-BEtestgQtDuD/.be/dir/bugs/moved
+ --- old-BEtestgQtDuD/.be/dir/bugs/moved 2010-01-18 15:19:30.000000000 -0500
+ +++ new-BEtestgQtDuD/.be/dir/bugs/moved 1969-12-31 19:00:00.000000000 -0500
+ @@ -1 +0,0 @@
+ -this entry will be moved
+ \ No newline at end of file
+ diff -rN --unified old-BEtestgQtDuD/.be/dir/bugs/moved2 new-BEtestgQtDuD/.be/dir/bugs/moved2
+ --- old-BEtestgQtDuD/.be/dir/bugs/moved2 1969-12-31 19:00:00.000000000 -0500
+ +++ new-BEtestgQtDuD/.be/dir/bugs/moved2 2010-01-18 15:19:30.000000000 -0500
+ @@ -0,0 +1 @@
+ +this entry will be moved
+ \ No newline at end of file
+ diff -rN --unified old-BEtestgQtDuD/.be/dir/bugs/new new-BEtestgQtDuD/.be/dir/bugs/new
+ --- old-BEtestgQtDuD/.be/dir/bugs/new 1969-12-31 19:00:00.000000000 -0500
+ +++ new-BEtestgQtDuD/.be/dir/bugs/new 2010-01-18 15:19:30.000000000 -0500
+ @@ -0,0 +1 @@
+ +this entry is new
+ \ No newline at end of file
+ diff -rN --unified old-BEtestgQtDuD/.be/dir/bugs/removed new-BEtestgQtDuD/.be/dir/bugs/removed
+ --- old-BEtestgQtDuD/.be/dir/bugs/removed 2010-01-18 15:19:30.000000000 -0500
+ +++ new-BEtestgQtDuD/.be/dir/bugs/removed 1969-12-31 19:00:00.000000000 -0500
+ @@ -1 +0,0 @@
+ -this entry will be deleted
+ \ No newline at end of file
+
+ """
+ new = []
+ modified = []
+ removed = []
+ lines = diff_text.splitlines()
+ repodir = os.path.basename(self.repo) + os.path.sep
+ i = 0
+ while i < len(lines):
+ line = lines[i]; i += 1
+ if not line.startswith('diff '):
+ continue
+ file_a,file_b = line.split()[-2:]
+ assert file_a.startswith('old-'), \
+ 'missformed file_a %s' % file_a
+ assert file_b.startswith('new-'), \
+ 'missformed file_a %s' % file_b
+ file = file_a[4:]
+ assert file_b[4:] == file, \
+ 'diff file missmatch %s != %s' % (file_a, file_b)
+ assert file.startswith(repodir), \
+ 'missformed file_a %s' % file_a
+ file = file[len(repodir):]
+ lines_added = 0
+ lines_removed = 0
+ line = lines[i]; i += 1
+ assert line.startswith('--- old-'), \
+ 'missformed "---" line %s' % line
+ time_a = line.split('\t')[1]
+ line = lines[i]; i += 1
+ assert line.startswith('+++ new-'), \
+ 'missformed "+++" line %s' % line
+ time_b = line.split('\t')[1]
+ zero_time = time.strftime('%Y-%m-%d %H:%M:%S.000000000 ',
+ time.localtime(0))
+ # note that zero_time is missing the trailing timezone offset
+ if time_a.startswith(zero_time):
+ new.append(file)
+ elif time_b.startswith(zero_time):
+ removed.append(file)
+ else:
+ modified.append(file)
+ return (new,modified,removed)
+
+ def _vcs_changed(self, revision):
+ return self._parse_diff(self._diff(revision))
+
if libbe.TESTING == True:
base.make_vcs_testcase_subclasses(Darcs, sys.modules[__name__])