def test_is_commit_needed_no_change():
tmp = maketemp()
repo = os.path.join(tmp, 'repo')
os.mkdir(repo)
commands.init_bare(repo)
index = os.path.join(tmp, 'index')
sha_foo = commands.write_object(repo=repo, content='FOO')
commands.update_index(
repo=repo,
index=index,
files=[
dict(
object=sha_foo,
path='quux/foo',
),
],
)
tree = commands.write_tree(
repo=repo,
index=index,
)
got = commands.is_commit_needed(
repo=repo,
tree=tree,
parents=[],
)
eq(got, True)
def test_is_commit_needed_has_change():
tmp = maketemp()
commands.init_bare(tmp)
commands.fast_import(
repo=tmp,
commits=[
dict(
message='one',
committer='John Doe <*****@*****.**>',
commit_time='1216235872 +0300',
files=[
dict(
path='foo',
content='FOO',
),
],
),
],
)
head = commands.rev_parse(repo=tmp, rev='HEAD')
tree = commands.rev_parse(repo=tmp, rev='HEAD^{tree}')
got = commands.is_commit_needed(
repo=tmp,
tree='deadbeefdeadbeefdeadbeefdeadbeefdeadbeef',
parents=[head],
)
eq(got, True)
def test_is_commit_needed_no_change():
tmp = maketemp()
repo = os.path.join(tmp, 'repo')
os.mkdir(repo)
commands.init_bare(repo)
commands.fast_import(
repo=tmp,
commits=[
dict(
message='one',
committer='John Doe <*****@*****.**>',
commit_time='1216235872 +0300',
files=[
dict(
path='foo',
content='FOO',
),
],
),
],
)
head = commands.rev_parse(repo=tmp, rev='HEAD')
tree = commands.rev_parse(repo=tmp, rev='HEAD^{tree}')
got = commands.is_commit_needed(
repo=repo,
tree=tree,
parents=[head],
)
eq(got, False)
def test_is_commit_needed_merge():
got = commands.is_commit_needed(
repo='/does-not-exist',
tree='deadbeefdeadbeefdeadbeefdeadbeefdeadbeef',
parents=[
'1111111111111111111111111111111111111111',
'2222222222222222222222222222222222222222',
],
)
eq(got, True)
def test_is_commit_needed_root_empty():
tmp = maketemp()
repo = os.path.join(tmp, 'repo')
os.mkdir(repo)
commands.init_bare(repo)
index = os.path.join(tmp, 'index')
tree = commands.write_tree(
repo=repo,
index=index,
)
got = commands.is_commit_needed(
repo=repo,
tree=tree,
parents=[],
)
eq(got, False)
def __exit__(self, type_, value, traceback):
ret = self.indexfs.__exit__(type_, value, traceback)
assert not ret, \
"TemporaryIndexFS must not eat the exception."
tree = self.indexfs.tree
del self.indexfs
if (type_ is None
and value is None
and traceback is None):
# no exception -> commit transaction
assert tree is not None, \
"TemporaryIndexFS must write the tree."
parents = []
if self.original is not None:
parents.append(self.original)
if not commands.is_commit_needed(
repo=self.repo.path,
tree=tree,
parents=parents,
):
return
self.commit = commands.commit_tree(
repo=self.repo.path,
tree=tree,
parents=parents,
message='pygitfs',
committer_name='pygitfs',
committer_email='pygitfs@invalid',
)
try:
commands.update_ref(
repo=self.repo.path,
ref=self.ref,
newvalue=self.commit,
oldvalue=self.original,
reason='pygitfs transaction commit',
)
except RuntimeError:
# TODO this could be caused by pretty much anything
# from OOM to invalid input, but as there's no way to
# tell (with current git), we'll just assume it's
# always caused by race condition..
raise TransactionRaceLostError()