def test_GitRepo_fetch(test_path, orig_path, clone_path):
origin = GitRepo.clone(test_path, orig_path)
clone = GitRepo.clone(orig_path, clone_path)
filename = get_most_obscure_supported_name()
origin.checkout("new_branch", ['-b'])
with open(op.join(orig_path, filename), 'w') as f:
f.write("New file.")
origin.add(filename)
origin.commit("new file added.")
fetched = clone.fetch(remote='origin')
# test FetchInfo list returned by fetch
eq_([u'origin/' + clone.get_active_branch(), u'origin/new_branch'],
[commit.name for commit in fetched])
ok_clean_git(clone.path, annex=False)
assert_in("origin/new_branch", clone.get_remote_branches())
assert_in(filename, clone.get_files("origin/new_branch"))
assert_false(op.exists(op.join(clone_path, filename))) # not checked out
# create a remote without an URL:
origin.add_remote('not-available', 'git://example.com/not/existing')
origin.config.unset('remote.not-available.url', where='local')
# fetch without provided URL
fetched = origin.fetch('not-available')
# nothing was done, nothing returned:
eq_([], fetched)
def test_GitRepo_pull(test_path, orig_path, clone_path):
origin = GitRepo.clone(test_path, orig_path)
clone = GitRepo.clone(orig_path, clone_path)
filename = get_most_obscure_supported_name()
with open(op.join(orig_path, filename), 'w') as f:
f.write("New file.")
origin.add(filename)
origin.commit("new file added.")
clone.pull()
ok_(op.exists(op.join(clone_path, filename)))
# While at it, let's test _get_remotes_having_commit a bit
clone.add_remote("very_origin", test_path)
clone.fetch("very_origin")
eq_(
clone._get_remotes_having_commit(clone.get_hexsha()),
['origin']
)
prev_commit = clone.get_hexsha('HEAD^')
eq_(
set(clone._get_remotes_having_commit(prev_commit)),
{'origin', 'very_origin'}
)
def test_GitRepo_fetch(test_path, orig_path, clone_path):
origin = GitRepo.clone(test_path, orig_path)
clone = GitRepo.clone(orig_path, clone_path)
filename = get_most_obscure_supported_name()
origin.checkout("new_branch", ['-b'])
with open(op.join(orig_path, filename), 'w') as f:
f.write("New file.")
origin.add(filename)
origin.commit("new file added.")
fetched = clone.fetch(remote='origin')
# test FetchInfo list returned by fetch
eq_([u'origin/' + clone.get_active_branch(), u'origin/new_branch'],
[commit.name for commit in fetched])
ok_clean_git(clone.path, annex=False)
assert_in("origin/new_branch", clone.get_remote_branches())
assert_in(filename, clone.get_files("origin/new_branch"))
assert_false(op.exists(op.join(clone_path, filename))) # not checked out
# create a remote without an URL:
origin.add_remote('not-available', 'git://example.com/not/existing')
origin.config.unset('remote.not-available.url', where='local')
# fetch without provided URL
fetched = origin.fetch('not-available')
# nothing was done, nothing returned:
eq_([], fetched)
def test_knows_annex(here, there):
from datalad.support.gitrepo import GitRepo
from datalad.support.annexrepo import AnnexRepo
GitRepo(path=here, create=True)
assert_false(knows_annex(here))
AnnexRepo(path=here, create=True)
assert_true(knows_annex(here))
GitRepo.clone(path=there, url=here, create=True)
assert_true(knows_annex(there))
def test_knows_annex(here, there):
from datalad.support.gitrepo import GitRepo
from datalad.support.annexrepo import AnnexRepo
GitRepo(path=here, create=True)
assert_false(knows_annex(here))
AnnexRepo(path=here, create=True)
assert_true(knows_annex(here))
GitRepo.clone(path=there, url=here, create=True)
assert_true(knows_annex(there))
def _clone_from_any_source(sources, dest):
# should not be the case, but we need to distinguish between failure
# of git-clone, due to existing target and an unsuccessful clone
# attempt. See below.
existed = dest and exists(dest)
for source_ in sources:
try:
lgr.debug("Retrieving a dataset from URL: "
"{0}".format(source_))
with swallow_logs():
GitRepo.clone(path=dest, url=source_, create=True)
return source_ # do not bother with other sources if succeeded
except GitCommandError as e:
lgr.debug("Failed to retrieve from URL: "
"{0}".format(source_))
if not existed and dest \
and exists(dest):
lgr.debug("Wiping out unsuccessful clone attempt at "
"{}".format(dest))
rmtree(dest)
if source_ == sources[-1]:
# Note: The following block is evaluated whenever we
# fail even with the last try. Not nice, but currently
# necessary until we get a more precise exception:
####################################
# TODO: We may want to introduce a --force option to
# overwrite the target.
# TODO: Currently assuming if `existed` and there is a
# GitCommandError means that these both things are connected.
# Need newer GitPython to get stderr from GitCommandError
# (already fixed within GitPython.)
if existed:
# rudimentary check for an installed dataset at target:
# (TODO: eventually check for being the one, that this
# is about)
dest_ds = Dataset(dest)
if dest_ds.is_installed():
lgr.info("{0} appears to be installed already."
"".format(dest_ds))
break
else:
lgr.warning("Target {0} already exists and is not "
"an installed dataset. Skipped."
"".format(dest))
# Keep original in debug output:
lgr.debug("Original failure:{0}"
"{1}".format(linesep, exc_str(e)))
return None
##################
# Re-raise if failed even with the last candidate
lgr.debug("Unable to establish repository instance at "
"{0} from {1}"
"".format(dest, sources))
raise
def _clone_from_any_source(sources, dest):
# should not be the case, but we need to distinguish between failure
# of git-clone, due to existing target and an unsuccessful clone
# attempt. See below.
existed = dest and exists(dest)
for source_ in sources:
try:
lgr.debug("Retrieving a dataset from URL: " "{0}".format(source_))
with swallow_logs():
GitRepo.clone(path=dest, url=source_, create=True)
return source_ # do not bother with other sources if succeeded
except GitCommandError as e:
lgr.debug("Failed to retrieve from URL: " "{0}".format(source_))
if not existed and dest \
and exists(dest):
lgr.debug("Wiping out unsuccessful clone attempt at "
"{}".format(dest))
rmtree(dest)
if source_ == sources[-1]:
# Note: The following block is evaluated whenever we
# fail even with the last try. Not nice, but currently
# necessary until we get a more precise exception:
####################################
# TODO: We may want to introduce a --force option to
# overwrite the target.
# TODO: Currently assuming if `existed` and there is a
# GitCommandError means that these both things are connected.
# Need newer GitPython to get stderr from GitCommandError
# (already fixed within GitPython.)
if existed:
# rudimentary check for an installed dataset at target:
# (TODO: eventually check for being the one, that this
# is about)
dest_ds = Dataset(dest)
if dest_ds.is_installed():
lgr.info("{0} appears to be installed already."
"".format(dest_ds))
break
else:
lgr.warning("Target {0} already exists and is not "
"an installed dataset. Skipped."
"".format(dest))
# Keep original in debug output:
lgr.debug("Original failure:{0}"
"{1}".format(linesep, exc_str(e)))
return None
##################
# Re-raise if failed even with the last candidate
lgr.debug("Unable to establish repository instance at "
"{0} from {1}"
"".format(dest, sources))
raise
def test_GitRepo_get_remote_url(orig_path, path):
gr = GitRepo.clone(orig_path, path)
gr.add_remote('github', 'git://github.com/datalad/testrepo--basic--r1')
eq_(gr.get_remote_url('origin'), orig_path)
eq_(gr.get_remote_url('github'),
'git://github.com/datalad/testrepo--basic--r1')
def test_GitRepo_add(src, path):
gr = GitRepo.clone(src, path)
filename = get_most_obscure_supported_name()
with open(op.join(path, filename), 'w') as f:
f.write("File to add to git")
added = gr.add(filename)
eq_(added, {'success': True, 'file': filename})
assert_in(filename, gr.get_indexed_files(),
"%s not successfully added to %s" % (filename, path))
# uncommitted:
ok_(gr.dirty)
filename = "another.txt"
with open(op.join(path, filename), 'w') as f:
f.write("Another file to add to git")
# include committing:
added2 = gr.add(filename)
gr.commit(msg="Add two files.")
eq_(added2, {'success': True, 'file': filename})
assert_in(filename, gr.get_indexed_files(),
"%s not successfully added to %s" % (filename, path))
ok_clean_git(path)
def test_GitRepo_add(src, path):
gr = GitRepo.clone(src, path)
filename = get_most_obscure_supported_name()
with open(op.join(path, filename), 'w') as f:
f.write("File to add to git")
added = gr.add(filename)
eq_(added, {'success': True, 'file': filename})
assert_in(filename, gr.get_indexed_files(),
"%s not successfully added to %s" % (filename, path))
# uncommitted:
ok_(gr.dirty)
filename = "another.txt"
with open(op.join(path, filename), 'w') as f:
f.write("Another file to add to git")
assert_raises(AssertionError, gr.add, filename, git=False)
assert_raises(AssertionError, gr.add, filename, git=None)
# include committing:
added2 = gr.add(filename)
gr.commit(msg="Add two files.")
eq_(added2, {'success': True, 'file': filename})
assert_in(filename, gr.get_indexed_files(),
"%s not successfully added to %s" % (filename, path))
ok_clean_git(path)
def test_optimized_cloning(path):
# make test repo with one file and one commit
originpath = op.join(path, 'origin')
repo = GitRepo(originpath, create=True)
with open(op.join(originpath, 'test'), 'w') as f:
f.write('some')
repo.add('test')
repo.commit('init')
ok_clean_git(originpath, annex=False)
from glob import glob
def _get_inodes(repo):
return dict(
[(os.path.join(*o.split(os.sep)[-2:]),
os.stat(o).st_ino)
for o in glob(os.path.join(repo.path,
repo.get_git_dir(repo),
'objects', '*', '*'))])
origin_inodes = _get_inodes(repo)
# now clone it in different ways and see what happens to the object storage
from datalad.support.network import get_local_file_url
clonepath = op.join(path, 'clone')
for src in (originpath, get_local_file_url(originpath)):
# deprecated
assert_raises(DeprecatedError, GitRepo, url=src, path=clonepath)
clone = GitRepo.clone(url=src, path=clonepath, create=True)
clone_inodes = _get_inodes(clone)
eq_(origin_inodes, clone_inodes, msg='with src={}'.format(src))
rmtree(clonepath)
def test_optimized_cloning(path):
# make test repo with one file and one commit
originpath = op.join(path, 'origin')
repo = GitRepo(originpath, create=True)
with open(op.join(originpath, 'test'), 'w') as f:
f.write('some')
repo.add('test')
repo.commit('init')
ok_clean_git(originpath, annex=False)
from glob import glob
def _get_inodes(repo):
return dict([
(os.path.join(*o.split(os.sep)[-2:]), os.stat(o).st_ino)
for o in glob(os.path.join(repo.repo.git_dir, 'objects', '*', '*'))
])
origin_inodes = _get_inodes(repo)
# now clone it in different ways and see what happens to the object storage
from datalad.support.network import get_local_file_url
clonepath = op.join(path, 'clone')
for src in (originpath, get_local_file_url(originpath)):
# deprecated
assert_raises(DeprecatedError, GitRepo, url=src, path=clonepath)
clone = GitRepo.clone(url=src, path=clonepath, create=True)
clone_inodes = _get_inodes(clone)
eq_(origin_inodes, clone_inodes, msg='with src={}'.format(src))
rmtree(clonepath)
def test_GitRepo_get_remote_url(orig_path, path):
gr = GitRepo.clone(orig_path, path)
gr.add_remote('github', 'git://github.com/datalad/testrepo--basic--r1')
eq_(gr.get_remote_url('origin'), orig_path)
eq_(gr.get_remote_url('github'),
'git://github.com/datalad/testrepo--basic--r1')
def test_GitRepo_remote_remove(orig_path, path):
gr = GitRepo.clone(orig_path, path)
gr.add_remote('github', 'git://github.com/datalad/testrepo--basic--r1')
gr.remove_remote('github')
out = gr.get_remotes()
eq_(len(out), 1)
assert_in('origin', out)
def test_GitRepo_remote_remove(orig_path, path):
gr = GitRepo.clone(orig_path, path)
gr.add_remote('github', 'git://github.com/datalad/testrepo--basic--r1')
gr.remove_remote('github')
out = gr.get_remotes()
eq_(len(out), 1)
assert_in('origin', out)
def test_GitRepo_pull(test_path, orig_path, clone_path):
origin = GitRepo.clone(test_path, orig_path)
clone = GitRepo.clone(orig_path, clone_path)
filename = get_most_obscure_supported_name()
with open(op.join(orig_path, filename), 'w') as f:
f.write("New file.")
origin.add(filename)
origin.commit("new file added.")
clone.pull()
ok_(op.exists(op.join(clone_path, filename)))
# While at it, let's test _get_remotes_having_commit a bit
clone.add_remote("very_origin", test_path)
clone.fetch("very_origin")
eq_(clone._get_remotes_having_commit(clone.get_hexsha()), ['origin'])
prev_commit = clone.get_hexsha('HEAD^')
eq_(set(clone._get_remotes_having_commit(prev_commit)),
{'origin', 'very_origin'})
def test_GitRepo_remote_add(orig_path, path):
gr = GitRepo.clone(orig_path, path)
out = gr.get_remotes()
assert_in('origin', out)
eq_(len(out), 1)
gr.add_remote('github', 'git://github.com/datalad/testrepo--basic--r1')
out = gr.get_remotes()
assert_in('origin', out)
assert_in('github', out)
eq_(len(out), 2)
eq_('git://github.com/datalad/testrepo--basic--r1', gr.config['remote.github.url'])
def test_GitRepo_remote_add(orig_path, path):
gr = GitRepo.clone(orig_path, path)
out = gr.get_remotes()
assert_in('origin', out)
eq_(len(out), 1)
gr.add_remote('github', 'git://github.com/datalad/testrepo--basic--r1')
out = gr.get_remotes()
assert_in('origin', out)
assert_in('github', out)
eq_(len(out), 2)
eq_('git://github.com/datalad/testrepo--basic--r1',
gr.config['remote.github.url'])
def test_GitRepo_get_indexed_files(src, path):
gr = GitRepo.clone(src, path)
idx_list = gr.get_indexed_files()
runner = Runner()
out = runner(['git', 'ls-files'], cwd=path)
out_list = list(filter(bool, out[0].split('\n')))
for item in idx_list:
assert_in(item, out_list, "%s not found in output of git ls-files in %s" % (item, path))
for item in out_list:
assert_in(item, idx_list, "%s not found in output of get_indexed_files in %s" % (item, path))
def test_GitRepo_push_n_checkout(orig_path, clone_path):
origin = GitRepo(orig_path)
clone = GitRepo.clone(orig_path, clone_path)
filename = get_most_obscure_supported_name()
with open(op.join(clone_path, filename), 'w') as f:
f.write("New file.")
clone.add(filename)
clone.commit("new file added.")
# TODO: need checkout first:
clone.push('origin', '+master:new-branch')
origin.checkout('new-branch')
ok_(op.exists(op.join(orig_path, filename)))
def test_GitRepo_push_n_checkout(orig_path, clone_path):
origin = GitRepo(orig_path)
clone = GitRepo.clone(orig_path, clone_path)
filename = get_most_obscure_supported_name()
with open(op.join(clone_path, filename), 'w') as f:
f.write("New file.")
clone.add(filename)
clone.commit("new file added.")
# TODO: need checkout first:
clone.push('origin', '+master:new-branch')
origin.checkout('new-branch')
ok_(op.exists(op.join(orig_path, filename)))
def test_GitRepo_instance_from_clone(src, dst):
gr = GitRepo.clone(src, dst)
assert_is_instance(gr, GitRepo, "GitRepo was not created.")
assert_is_instance(gr.repo, gitpy.Repo,
"Failed to instantiate GitPython Repo object.")
ok_(op.exists(op.join(dst, '.git')))
# do it again should raise GitCommandError since git will notice there's
# already a git-repo at that path and therefore can't clone to `dst`
# Note: Since GitRepo is now a WeakSingletonRepo, this is prevented from
# happening atm. Disabling for now:
# raise SkipTest("Disabled for RF: WeakSingletonRepo")
with swallow_logs() as logs:
assert_raises(GitCommandError, GitRepo.clone, src, dst)
def test_GitRepo_instance_from_clone(src, dst):
gr = GitRepo.clone(src, dst)
assert_is_instance(gr, GitRepo, "GitRepo was not created.")
assert_is_instance(gr.repo, gitpy.Repo,
"Failed to instantiate GitPython Repo object.")
ok_(op.exists(op.join(dst, '.git')))
# do it again should raise GitCommandError since git will notice there's
# already a git-repo at that path and therefore can't clone to `dst`
# Note: Since GitRepo is now a WeakSingletonRepo, this is prevented from
# happening atm. Disabling for now:
# raise SkipTest("Disabled for RF: WeakSingletonRepo")
with swallow_logs() as logs:
assert_raises(GitCommandError, GitRepo.clone, src, dst)
def test_GitRepo_get_indexed_files(src, path):
gr = GitRepo.clone(src, path)
idx_list = gr.get_indexed_files()
runner = Runner()
out = runner(['git', 'ls-files'], cwd=path)
out_list = list(filter(bool, out[0].split('\n')))
for item in idx_list:
assert_in(
item, out_list,
"%s not found in output of git ls-files in %s" % (item, path))
for item in out_list:
assert_in(
item, idx_list,
"%s not found in output of get_indexed_files in %s" % (item, path))
def test_get_tracking_branch(o_path, c_path):
clone = GitRepo.clone(o_path, c_path)
# Note, that the default branch might differ even if it is always 'master'.
# For direct mode annex repositories it would then be "annex/direct/master"
# for example. Therefore use whatever branch is checked out by default:
master_branch = clone.get_active_branch()
ok_(master_branch)
eq_(('origin', 'refs/heads/' + master_branch), clone.get_tracking_branch())
clone.checkout('new_branch', ['-b'])
eq_((None, None), clone.get_tracking_branch())
eq_(('origin', 'refs/heads/' + master_branch),
clone.get_tracking_branch(master_branch))
def test_get_tracking_branch(o_path, c_path):
clone = GitRepo.clone(o_path, c_path)
# Note, that the default branch might differ even if it is always 'master'.
# For direct mode annex repositories it would then be "annex/direct/master"
# for example. Therefore use whatever branch is checked out by default:
master_branch = clone.get_active_branch()
ok_(master_branch)
eq_(('origin', 'refs/heads/' + master_branch),
clone.get_tracking_branch())
clone.checkout('new_branch', ['-b'])
eq_((None, None), clone.get_tracking_branch())
eq_(('origin', 'refs/heads/' + master_branch),
clone.get_tracking_branch(master_branch))
def test_GitRepo_get_files(url, path):
gr = GitRepo.clone(url, path)
# get the expected files via os for comparison:
os_files = set()
for (dirpath, dirnames, filenames) in os.walk(path):
rel_dir = os.path.relpath(dirpath, start=path)
if rel_dir.startswith(".git"):
continue
for file_ in filenames:
file_path = os.path.normpath(op.join(rel_dir, file_))
os_files.add(file_path)
# get the files via GitRepo:
local_files = set(gr.get_files())
remote_files = set(gr.get_files(branch="origin/master"))
eq_(local_files, set(gr.get_indexed_files()))
eq_(local_files, remote_files)
eq_(local_files, os_files)
# create a different branch:
gr.checkout('new_branch', ['-b'])
filename = 'another_file.dat'
with open(op.join(path, filename), 'w') as f:
f.write("something")
gr.add(filename)
gr.commit("Added.")
# now get the files again:
local_files = set(gr.get_files())
eq_(local_files, os_files.union({filename}))
# retrieve remote branch again, which should not have changed:
remote_files = set(gr.get_files(branch="origin/master"))
eq_(remote_files, os_files)
eq_(set([filename]), local_files.difference(remote_files))
# switch back and query non-active branch:
gr.checkout('master')
local_files = set(gr.get_files())
branch_files = set(gr.get_files(branch="new_branch"))
eq_(set([filename]), branch_files.difference(local_files))
def test_GitRepo_get_files(url, path):
gr = GitRepo.clone(url, path)
# get the expected files via os for comparison:
os_files = set()
for (dirpath, dirnames, filenames) in os.walk(path):
rel_dir = os.path.relpath(dirpath, start=path)
if rel_dir.startswith(".git"):
continue
for file_ in filenames:
file_path = os.path.normpath(op.join(rel_dir, file_))
os_files.add(file_path)
# get the files via GitRepo:
local_files = set(gr.get_files())
remote_files = set(gr.get_files(branch="origin/master"))
eq_(local_files, set(gr.get_indexed_files()))
eq_(local_files, remote_files)
eq_(local_files, os_files)
# create a different branch:
gr.checkout('new_branch', ['-b'])
filename = 'another_file.dat'
with open(op.join(path, filename), 'w') as f:
f.write("something")
gr.add(filename)
gr.commit("Added.")
# now get the files again:
local_files = set(gr.get_files())
eq_(local_files, os_files.union({filename}))
# retrieve remote branch again, which should not have changed:
remote_files = set(gr.get_files(branch="origin/master"))
eq_(remote_files, os_files)
eq_(set([filename]), local_files.difference(remote_files))
# switch back and query non-active branch:
gr.checkout('master')
local_files = set(gr.get_files())
branch_files = set(gr.get_files(branch="new_branch"))
eq_(set([filename]), branch_files.difference(local_files))
def clone_dataset(
srcs,
destds,
reckless=None,
description=None,
result_props=None,
cfg=None):
"""Internal helper to perform cloning without sanity checks (assumed done)
This helper does not handle any saving of subdataset modification or adding
in a superdataset.
Parameters
----------
srcs : list
Any suitable clone source specifications (paths, URLs)
destds : Dataset
Dataset instance for the clone destination
reckless : {None, 'auto', 'ephemeral', 'shared-...'}, optional
Mode switch to put cloned dataset into unsafe/throw-away configurations, i.e.
sacrifice data safety for performance or resource footprint. When None
and `cfg` is specified, use the value of `datalad.clone.reckless`.
description : str, optional
Location description for the annex of the dataset clone (if there is any).
result_props : dict, optional
Default properties for any yielded result, passed on to get_status_dict().
cfg : ConfigManager, optional
Configuration for parent dataset. This will be queried instead
of the global DataLad configuration.
Yields
------
dict
DataLad result records
"""
if not result_props:
# in case the caller had no specific idea on how results should look
# like, provide sensible defaults
result_props = dict(
action='install',
logger=lgr,
ds=destds,
)
if reckless is None and cfg:
# if reckless is not explicitly given, but we operate on a
# superdataset, query whether it has been instructed to operate
# in a reckless mode, and inherit it for the coming clone
reckless = cfg.get('datalad.clone.reckless', None)
dest_path = destds.pathobj
# decode all source candidate specifications
candidate_sources = [decode_source_spec(s, cfg=cfg) for s in srcs]
# now expand the candidate sources with additional variants of the decoded
# giturl, while duplicating the other properties in the additional records
# for simplicity. The hope is to overcome a few corner cases and be more
# robust than git clone
candidate_sources = [
dict(props, giturl=s) for props in candidate_sources
for s in _get_flexible_source_candidates(props['giturl'])
]
# important test! based on this `rmtree` will happen below after failed clone
dest_path_existed = dest_path.exists()
if dest_path_existed and any(dest_path.iterdir()):
if destds.is_installed():
# check if dest was cloned from the given source before
# this is where we would have installed this from
# this is where it was actually installed from
track_name, track_url = _get_tracking_source(destds)
try:
# this will get us track_url in system native path conventions,
# whenever it is a path (and not a URL)
# this is needed to match it to any potentially incoming local
# source path in the 'notneeded' test below
track_path = str(Path(track_url))
except Exception:
# this should never happen, because Path() will let any non-path stringification
# pass through unmodified, but we do not want any potential crash due to
# pathlib behavior changes
lgr.debug("Unexpected behavior of pathlib!")
track_path = None
for cand in candidate_sources:
src = cand['giturl']
if track_url == src \
or (not is_url(track_url)
and get_local_file_url(track_url, compatibility='git') == src) \
or track_path == expanduser(src):
yield get_status_dict(
status='notneeded',
message=("dataset %s was already cloned from '%s'",
destds,
src),
**result_props)
return
# anything else is an error
yield get_status_dict(
status='error',
message='target path already exists and not empty, refuse to clone into target path',
**result_props)
return
log_progress(
lgr.info,
'cloneds',
'Cloning dataset to %s', destds,
total=len(candidate_sources),
label='Clone attempt',
unit=' Candidate locations',
)
error_msgs = OrderedDict() # accumulate all error messages formatted per each url
for cand in candidate_sources:
log_progress(
lgr.info,
'cloneds',
'Attempting to clone from %s to %s', cand['giturl'], dest_path,
update=1,
increment=True)
clone_opts = {}
if cand.get('version', None):
clone_opts['branch'] = cand['version']
try:
# TODO for now GitRepo.clone() cannot handle Path instances, and PY35
# doesn't make it happen seemlessly
GitRepo.clone(
path=str(dest_path),
url=cand['giturl'],
clone_options=clone_opts,
create=True)
except CommandError as e:
e_stderr = e.stderr
error_msgs[cand['giturl']] = e
lgr.debug("Failed to clone from URL: %s (%s)",
cand['giturl'], exc_str(e))
if dest_path.exists():
lgr.debug("Wiping out unsuccessful clone attempt at: %s",
dest_path)
# We must not just rmtree since it might be curdir etc
# we should remove all files/directories under it
# TODO stringification can be removed once patlib compatible
# or if PY35 is no longer supported
rmtree(str(dest_path), children_only=dest_path_existed)
if e_stderr and 'could not create work tree' in e_stderr.lower():
# this cannot be fixed by trying another URL
re_match = re.match(r".*fatal: (.*)$", e_stderr,
flags=re.MULTILINE | re.DOTALL)
# cancel progress bar
log_progress(
lgr.info,
'cloneds',
'Completed clone attempts for %s', destds
)
yield get_status_dict(
status='error',
message=re_match.group(1).strip()
if re_match else "stderr: " + e_stderr,
**result_props)
return
# next candidate
continue
result_props['source'] = cand
# do not bother with other sources if succeeded
break
log_progress(
lgr.info,
'cloneds',
'Completed clone attempts for %s', destds
)
if not destds.is_installed():
if len(error_msgs):
if all(not e.stdout and not e.stderr for e in error_msgs.values()):
# there is nothing we can learn from the actual exception,
# the exit code is uninformative, the command is predictable
error_msg = "Failed to clone from all attempted sources: %s"
error_args = list(error_msgs.keys())
else:
error_msg = "Failed to clone from any candidate source URL. " \
"Encountered errors per each url were:\n- %s"
error_args = '\n- '.join(
'{}\n {}'.format(url, exc_str(exc))
for url, exc in error_msgs.items()
)
else:
# yoh: Not sure if we ever get here but I felt that there could
# be a case when this might happen and original error would
# not be sufficient to troubleshoot what is going on.
error_msg = "Awkward error -- we failed to clone properly. " \
"Although no errors were encountered, target " \
"dataset at %s seems to be not fully installed. " \
"The 'succesful' source was: %s"
error_args = (destds.path, cand['giturl'])
yield get_status_dict(
status='error',
message=(error_msg, error_args),
**result_props)
return
if not cand.get("version"):
postclone_check_head(destds)
# act on --reckless=shared-...
# must happen prior git-annex-init, where we can cheaply alter the repo
# setup through safe re-init'ing
if reckless and reckless.startswith('shared-'):
lgr.debug('Reinit %s to enable shared access permissions', destds)
destds.repo.call_git(['init', '--shared={}'.format(reckless[7:])])
yield from postclonecfg_annexdataset(
destds,
reckless,
description)
# perform any post-processing that needs to know details of the clone
# source
if result_props['source']['type'] == 'ria':
yield from postclonecfg_ria(destds, result_props['source'])
if reckless:
# store the reckless setting in the dataset to make it
# known to later clones of subdatasets via get()
destds.config.set(
'datalad.clone.reckless', reckless,
where='local',
reload=True)
# yield successful clone of the base dataset now, as any possible
# subdataset clone down below will not alter the Git-state of the
# parent
yield get_status_dict(status='ok', **result_props)
def __call__(
source,
path=None,
dataset=None,
description=None,
reckless=False,
alt_sources=None):
# TODO next ones should be there, but cannot go anywhere
# git_opts=None,
# git_clone_opts=None,
# annex_opts=None,
# annex_init_opts=None
# did we explicitly get a dataset to install into?
# if we got a dataset, path will be resolved against it.
# Otherwise path will be resolved first.
dataset = require_dataset(
dataset, check_installed=True, purpose='cloning') \
if dataset is not None else dataset
refds_path = dataset.path if dataset else None
if isinstance(source, Dataset):
source = source.path
if source == path:
# even if they turn out to be identical after resolving symlinks
# and more sophisticated witchcraft, it would still happily say
# "it appears to be already installed", so we just catch an
# obviously pointless input combination
raise ValueError(
"clone `source` and destination `path` are identical [{}]. "
"If you are trying to add a subdataset simply use `add`".format(
path))
if path is not None:
path = resolve_path(path, dataset)
# Possibly do conversion from source into a git-friendly url
# luckily GitRepo will undo any fancy file:/// url to make use of Git's
# optimization for local clones....
source_url = source
source_ = _get_git_url_from_source(source)
lgr.debug("Resolved clone source from '%s' to '%s'",
source, source_)
source = source_
# derive target from source:
if path is None:
# we got nothing but a source. do something similar to git clone
# and derive the path from the source and continue
path = _get_installationpath_from_url(source)
# since this is a relative `path`, resolve it:
path = resolve_path(path, dataset)
lgr.debug("Determined clone target path from source")
lgr.debug("Resolved clone target path to: '%s'", path)
# there is no other way -- my intoxicated brain tells me
assert(path is not None)
destination_dataset = Dataset(path)
dest_path = path
status_kwargs = dict(
action='install', ds=destination_dataset, logger=lgr,
refds=refds_path, source_url=source_url)
# important test! based on this `rmtree` will happen below after failed clone
if exists(dest_path) and listdir(dest_path):
if destination_dataset.is_installed():
# check if dest was cloned from the given source before
# this is where we would have installed this from
guessed_sources = _get_flexible_source_candidates(
source, dest_path)
# this is where it was actually installed from
track_name, track_url = _get_tracking_source(destination_dataset)
if track_url in guessed_sources or \
get_local_file_url(track_url) in guessed_sources:
yield get_status_dict(
status='notneeded',
message=("dataset %s was already cloned from '%s'",
destination_dataset,
source),
**status_kwargs)
return
# anything else is an error
yield get_status_dict(
status='error',
message='target path already exists and not empty, refuse to clone into target path',
**status_kwargs)
return
if dataset is not None and relpath(path, start=dataset.path).startswith(pardir):
yield get_status_dict(
status='error',
message=("clone target path '%s' not in specified target dataset '%s'",
path, dataset),
**status_kwargs)
return
# generate candidate URLs from source argument to overcome a few corner cases
# and hopefully be more robust than git clone
candidate_sources = []
# combine all given sources (incl. alternatives), maintain order
for s in [source] + assure_list(alt_sources):
candidate_sources.extend(_get_flexible_source_candidates(s))
candidates_str = \
" [%d other candidates]" % (len(candidate_sources) - 1) \
if len(candidate_sources) > 1 \
else ''
lgr.info("Cloning %s%s into '%s'",
source, candidates_str, dest_path)
dest_path_existed = exists(dest_path)
error_msgs = OrderedDict() # accumulate all error messages formatted per each url
for isource_, source_ in enumerate(candidate_sources):
try:
lgr.debug("Attempting to clone %s (%d out of %d candidates) to '%s'",
source_, isource_ + 1, len(candidate_sources), dest_path)
GitRepo.clone(path=dest_path, url=source_, create=True)
break # do not bother with other sources if succeeded
except GitCommandError as e:
error_msgs[source_] = exc_str_ = exc_str(e)
lgr.debug("Failed to clone from URL: %s (%s)",
source_, exc_str_)
if exists(dest_path):
lgr.debug("Wiping out unsuccessful clone attempt at: %s",
dest_path)
# We must not just rmtree since it might be curdir etc
# we should remove all files/directories under it
rmtree(dest_path, children_only=dest_path_existed)
# Whenever progress reporting is enabled, as it is now,
# we end up without e.stderr since it is "processed" out by
# GitPython/our progress handler.
e_stderr = e.stderr
from datalad.support.gitrepo import GitPythonProgressBar
if not e_stderr and GitPythonProgressBar._last_error_lines:
e_stderr = os.linesep.join(GitPythonProgressBar._last_error_lines)
if 'could not create work tree' in e_stderr.lower():
# this cannot be fixed by trying another URL
re_match = re.match(r".*fatal: (.*)$", e_stderr,
flags=re.MULTILINE | re.DOTALL)
yield get_status_dict(
status='error',
message=re_match.group(1) if re_match else "stderr: " + e_stderr,
**status_kwargs)
return
if not destination_dataset.is_installed():
if len(error_msgs):
error_msg = "Failed to clone from any candidate source URL. " \
"Encountered errors per each url were: %s"
error_args = (error_msgs, )
else:
# yoh: Not sure if we ever get here but I felt that there could
# be a case when this might happen and original error would
# not be sufficient to troubleshoot what is going on.
error_msg = "Awkward error -- we failed to clone properly. " \
"Although no errors were encountered, target " \
"dataset at %s seems to be not fully installed. " \
"The 'succesful' source was: %s"
error_args = (destination_dataset.path, source_)
yield get_status_dict(
status='error',
message=(error_msg, error_args),
**status_kwargs)
return
if dataset is not None:
# we created a dataset in another dataset
# -> make submodule
for r in dataset.save(
dest_path,
return_type='generator',
result_filter=None,
result_xfm=None,
on_failure='ignore'):
yield r
_handle_possible_annex_dataset(
destination_dataset,
reckless,
description=description)
# yield successful clone of the base dataset now, as any possible
# subdataset clone down below will not alter the Git-state of the
# parent
yield get_status_dict(status='ok', **status_kwargs)
def __call__(source,
path=None,
dataset=None,
description=None,
reckless=False,
alt_sources=None):
# TODO next ones should be there, but cannot go anywhere
# git_opts=None,
# git_clone_opts=None,
# annex_opts=None,
# annex_init_opts=None
# did we explicitly get a dataset to install into?
# if we got a dataset, path will be resolved against it.
# Otherwise path will be resolved first.
dataset = require_dataset(
dataset, check_installed=True, purpose='cloning') \
if dataset is not None else dataset
refds_path = dataset.path if dataset else None
if isinstance(source, Dataset):
source = source.path
if source == path:
# even if they turn out to be identical after resolving symlinks
# and more sophisticated witchcraft, it would still happily say
# "it appears to be already installed", so we just catch an
# obviously pointless input combination
raise ValueError(
"clone `source` and destination `path` are identical [{}]. "
"If you are trying to add a subdataset simply use `add`".
format(path))
if path is not None:
path = resolve_path(path, dataset)
# Possibly do conversion from source into a git-friendly url
# luckily GitRepo will undo any fancy file:/// url to make use of Git's
# optimization for local clones....
source_url = source
source_ = _get_git_url_from_source(source)
lgr.debug("Resolved clone source from '%s' to '%s'", source, source_)
source = source_
# derive target from source:
if path is None:
# we got nothing but a source. do something similar to git clone
# and derive the path from the source and continue
path = _get_installationpath_from_url(source)
# since this is a relative `path`, resolve it:
path = resolve_path(path, dataset)
lgr.debug("Determined clone target path from source")
lgr.debug("Resolved clone target path to: '%s'", path)
# there is no other way -- my intoxicated brain tells me
assert (path is not None)
destination_dataset = Dataset(path)
dest_path = path
status_kwargs = dict(action='install',
ds=destination_dataset,
logger=lgr,
refds=refds_path,
source_url=source_url)
# important test! based on this `rmtree` will happen below after failed clone
if exists(dest_path) and listdir(dest_path):
if destination_dataset.is_installed():
# check if dest was cloned from the given source before
# this is where we would have installed this from
guessed_sources = _get_flexible_source_candidates(
source, dest_path)
# this is where it was actually installed from
track_name, track_url = _get_tracking_source(
destination_dataset)
if track_url in guessed_sources or \
get_local_file_url(track_url) in guessed_sources:
yield get_status_dict(
status='notneeded',
message=("dataset %s was already cloned from '%s'",
destination_dataset, source),
**status_kwargs)
return
# anything else is an error
yield get_status_dict(
status='error',
message=
'target path already exists and not empty, refuse to clone into target path',
**status_kwargs)
return
if dataset is not None and relpath(
path, start=dataset.path).startswith(pardir):
yield get_status_dict(
status='error',
message=
("clone target path '%s' not in specified target dataset '%s'",
path, dataset),
**status_kwargs)
return
# generate candidate URLs from source argument to overcome a few corner cases
# and hopefully be more robust than git clone
candidate_sources = []
# combine all given sources (incl. alternatives), maintain order
for s in [source] + assure_list(alt_sources):
candidate_sources.extend(_get_flexible_source_candidates(s))
candidates_str = \
" [%d other candidates]" % (len(candidate_sources) - 1) \
if len(candidate_sources) > 1 \
else ''
lgr.info("Cloning %s%s into '%s'", source, candidates_str, dest_path)
dest_path_existed = exists(dest_path)
error_msgs = OrderedDict(
) # accumulate all error messages formatted per each url
for isource_, source_ in enumerate(candidate_sources):
try:
lgr.debug(
"Attempting to clone %s (%d out of %d candidates) to '%s'",
source_, isource_ + 1, len(candidate_sources), dest_path)
GitRepo.clone(path=dest_path, url=source_, create=True)
break # do not bother with other sources if succeeded
except GitCommandError as e:
error_msgs[source_] = exc_str_ = exc_str(e)
lgr.debug("Failed to clone from URL: %s (%s)", source_,
exc_str_)
if exists(dest_path):
lgr.debug("Wiping out unsuccessful clone attempt at: %s",
dest_path)
# We must not just rmtree since it might be curdir etc
# we should remove all files/directories under it
rmtree(dest_path, children_only=dest_path_existed)
# Whenever progress reporting is enabled, as it is now,
# we end up without e.stderr since it is "processed" out by
# GitPython/our progress handler.
e_stderr = e.stderr
from datalad.support.gitrepo import GitPythonProgressBar
if not e_stderr and GitPythonProgressBar._last_error_lines:
e_stderr = os.linesep.join(
GitPythonProgressBar._last_error_lines)
if 'could not create work tree' in e_stderr.lower():
# this cannot be fixed by trying another URL
re_match = re.match(r".*fatal: (.*)$",
e_stderr,
flags=re.MULTILINE | re.DOTALL)
yield get_status_dict(
status='error',
message=re_match.group(1) if re_match else "stderr: " +
e_stderr,
**status_kwargs)
return
if not destination_dataset.is_installed():
if len(error_msgs):
error_msg = "Failed to clone from any candidate source URL. " \
"Encountered errors per each url were: %s"
error_args = (error_msgs, )
else:
# yoh: Not sure if we ever get here but I felt that there could
# be a case when this might happen and original error would
# not be sufficient to troubleshoot what is going on.
error_msg = "Awkward error -- we failed to clone properly. " \
"Although no errors were encountered, target " \
"dataset at %s seems to be not fully installed. " \
"The 'succesful' source was: %s"
error_args = (destination_dataset.path, source_)
yield get_status_dict(status='error',
message=(error_msg, error_args),
**status_kwargs)
return
if dataset is not None:
# we created a dataset in another dataset
# -> make submodule
for r in dataset.add(dest_path,
save=True,
ds2super=True,
return_type='generator',
result_filter=None,
result_xfm=None,
on_failure='ignore'):
yield r
_handle_possible_annex_dataset(destination_dataset,
reckless,
description=description)
# yield successful clone of the base dataset now, as any possible
# subdataset clone down below will not alter the Git-state of the
# parent
yield get_status_dict(status='ok', **status_kwargs)
def test_openfmri_pipeline1(ind, topurl, outd, clonedir):
index_html = opj(ind, 'ds666', 'index.html')
list(
initiate_dataset(template="openfmri",
dataset_name='dataladtest-ds666',
path=outd,
data_fields=['dataset'])({
'dataset': 'ds666'
}))
repo = AnnexRepo(outd, create=False) # to be used in the checks
# Since datalad 0.11.2 all .metadata/objects go under annex.
# Here we have a test where we force drop all annexed content,
# to mitigate that let's place all metadata under git
dotdatalad_attributes_file = opj('.datalad', '.gitattributes')
repo.set_gitattributes([('metadata/objects/**', {
'annex.largefiles': '(nothing)'
})], dotdatalad_attributes_file)
# --amend so we do not cause change in # of commits below
repo.commit("gitattributes",
files=dotdatalad_attributes_file,
options=['--amend'])
with chpwd(outd):
pipeline = ofpipeline('ds666', versioned_urls=False, topurl=topurl)
out = run_pipeline(pipeline)
eq_(len(out), 1)
# Inspect the tree -- that we have all the branches
branches = {'master', 'incoming', 'incoming-processed', 'git-annex'}
eq_(set(repo.get_branches()), branches)
# We do not have custom changes in master yet, so it just follows incoming-processed atm
# eq_(repo.get_hexsha('master'), repo.get_hexsha('incoming-processed'))
# Since we did initiate_dataset -- now we have separate master!
assert_not_equal(repo.get_hexsha('master'),
repo.get_hexsha('incoming-processed'))
# and that one is different from incoming
assert_not_equal(repo.get_hexsha('incoming'),
repo.get_hexsha('incoming-processed'))
t1w_fpath_nover = opj(outd, 'sub1', 'anat', 'sub-1_T1w.dat')
ok_file_has_content(t1w_fpath_nover, "mighty load in old format")
#
# And now versioned files were specified!
#
add_to_index(index_html, content=_versioned_files)
with chpwd(outd):
pipeline = ofpipeline('ds666', versioned_urls=False, topurl=topurl)
out = run_pipeline(pipeline)
eq_(len(out), 1)
ok_(
not exists(t1w_fpath_nover),
"%s file should no longer be there if unversioned files get removed correctly"
% t1w_fpath_nover)
repo = AnnexRepo(outd, create=False) # to be used in the checks
# Inspect the tree -- that we have all the branches
branches = {'master', 'incoming', 'incoming-processed', 'git-annex'}
eq_(set(repo.get_branches()), branches)
# We do not have custom changes in master yet, so it just follows incoming-processed atm
# eq_(repo.get_hexsha('master'), repo.get_hexsha('incoming-processed'))
# Since we did initiate_dataset -- now we have separate master!
assert_not_equal(repo.get_hexsha('master'),
repo.get_hexsha('incoming-processed'))
# and that one is different from incoming
assert_not_equal(repo.get_hexsha('incoming'),
repo.get_hexsha('incoming-processed'))
# actually the tree should look quite neat with 1.0.0 tag having 1 parent in incoming
# 1.0.1 having 1.0.0 and the 2nd commit in incoming as parents
commits_hexsha = {b: list(_get_branch_commits(repo, b)) for b in branches}
commits_l = {
b: list(_get_branch_commits(repo, b, limit='left-only'))
for b in branches
}
# all commits out there:
# dataset init, crawler init
# (2 commits)
# + 3*(incoming, processed, merge)
# + 3*aggregate-metadata update
# - 1 since now that incoming starts with master, there is one less merge
# In --incremental mode there is a side effect of absent now
# 2*remove of obsolete metadata object files,
# see https://github.com/datalad/datalad/issues/2772
# TODO inspect by knowledgeable person and re-enable
#ncommits_master = len(commits_hexsha['master'])
#assert_in(ncommits_master, [13, 14])
#assert_in(len(commits_l['master']), [8, 9])
# TODO inspect by knowledgeable person and re-enable
#eq_(len(commits_hexsha['incoming']), ncommits_master - 8)
#eq_(len(commits_l['incoming']), ncommits_master - 8)
#eq_(len(commits_hexsha['incoming-processed']), ncommits_master - 5)
#eq_(len(commits_l['incoming-processed']), ncommits_master - 8)
# Check tags for the versions
eq_(out[0]['datalad_stats'].get_total().versions, ['1.0.0', '1.0.1'])
# +1 because original "release" was assumed to be 1.0.0
repo_tags = repo.get_tags()
eq_(repo.get_tags(output='name'), ['1.0.0', '1.0.0+1', '1.0.1'])
# Ben: The tagged ones currently are the ones with the message
# '[DATALAD] dataset aggregate metadata update\n':
#eq_(repo_tags[0]['hexsha'], commits_l['master'][4]) # next to the last one
#eq_(repo_tags[-1]['hexsha'], commits_l['master'][0]) # the last one
def hexsha(l):
return l.__class__(x.hexsha for x in l)
# TODO requires additional tooling to re-enable
## Verify that we have desired tree of merges
#eq_(hexsha(commits_l['incoming-processed'][0].parents), (commits_l['incoming-processed'][1],
# commits_l['incoming'][0]))
#eq_(hexsha(commits_l['incoming-processed'][2].parents), (commits_l['incoming-processed'][3], # also in master
# commits_l['incoming'][2],))
# ben: The following two comparisons are targeting these commits:
# commit "Merge branch 'incoming-processed'\n" in commits_l['master'],
# parents are:
# commit "[DATALAD] dataset aggregate metadata update\n" in commits_l['master'] and
# commit "[DATALAD] Added files from extracted archives\n\nFiles processed: 6\n renamed: 2\n +annex: 3\nBranches merged: incoming->incoming-processed\n" in commits_l['incoming-processed']
# TODO requires additional tooling to re-enable
#eq_(hexsha(commits_l['master'][1].parents), (commits_l['master'][2],
# commits_l['incoming-processed'][0]))
#eq_(hexsha(commits_l['master'][3].parents), (commits_l['master'][4],
# commits_l['incoming-processed'][1]))
with chpwd(outd):
eq_(set(glob('*')), {'changelog.txt', 'sub-1'})
all_files = sorted(find_files('.'))
t1w_fpath = opj(outd, 'sub-1', 'anat', 'sub-1_T1w.dat')
ok_file_has_content(t1w_fpath, "mighty load 1.0.1")
ok_file_under_git(opj(outd, 'changelog.txt'), annexed=False)
ok_file_under_git(t1w_fpath, annexed=True)
try:
# this is the new way
from datalad.metadata.metadata import get_ds_aggregate_db_locations
ds = Dataset('.')
dbloc, objbase = get_ds_aggregate_db_locations(ds)
dbloc = op.relpath(dbloc, start=ds.path)
except ImportError:
# this stopped working in early 2019 versions of datalad
from datalad.metadata.metadata import agginfo_relpath
dbloc = agginfo_relpath
target_files = {
'./.datalad/config',
'./.datalad/crawl/crawl.cfg',
# no more!
# './.datalad/config.ttl', './.datalad/datalad.ttl',
'./.datalad/crawl/statuses/incoming.json',
'./.datalad/crawl/versions/incoming.json',
'./changelog.txt',
'./sub-1/anat/sub-1_T1w.dat',
'./sub-1/beh/responses.tsv',
'./' + dbloc,
}
target_incoming_files = {
'.gitattributes', # we marked default backend right in the incoming
# we now base 'incoming' on master branch, so we get all those as well
'.datalad/.gitattributes',
'.datalad/config',
'.datalad/crawl/crawl.cfg',
'changelog.txt',
'ds666.tar.gz',
'ds666-beh_R1.0.1.tar.gz',
'ds666_R1.0.0.tar.gz',
'ds666_R1.0.1.tar.gz',
'ds666_R2.0.0.tar.gz',
'.datalad/crawl/statuses/incoming.json',
'.datalad/crawl/versions/incoming.json'
}
# Ben: metadata object files may differ in their names containing some checksum-ish shit ...
# TODO: Check how those names are constructed and may be at least count the number of created object files in addition to that comparison
eq_(
set([
f for f in all_files
if not f.startswith('./.datalad/metadata/objects/')
]), target_files)
# check that -beh was committed in 2nd commit in incoming, not the first one
assert_not_in('ds666-beh_R1.0.1.tar.gz',
repo.get_files(commits_l['incoming'][-1]))
assert_in('ds666-beh_R1.0.1.tar.gz',
repo.get_files(commits_l['incoming'][0]))
# rerun pipeline -- make sure we are on the same in all branches!
with chpwd(outd):
out = run_pipeline(pipeline)
eq_(len(out), 1)
commits_hexsha_ = {b: list(_get_branch_commits(repo, b)) for b in branches}
eq_(commits_hexsha, commits_hexsha_) # i.e. nothing new
# actually we do manage to add_git 1 (README) since it is generated committed directly to git
# BUT now fixed -- if not committed (was the same), should be marked as skipped
# Nothing was committed so stats leaked all the way up
eq_(out[0]['datalad_stats'], ActivityStats(files=5, skipped=5, urls=5))
eq_(out[0]['datalad_stats'], out[0]['datalad_stats'].get_total())
# rerun pipeline when new content is available
# add new revision, rerun pipeline and check that stuff was processed/added correctly
add_to_index(
index_html,
content=
'<a href="ds666_R2.0.0.tar.gz">Raw data on AWS version 2.0.0</a>')
with chpwd(outd):
out = run_pipeline(pipeline)
all_files_updated = sorted(find_files('.'))
eq_(len(out), 1)
assert_not_equal(out[0]['datalad_stats'].get_total(), ActivityStats())
# there is no overlays ATM, so behav would be gone since no 2.0.0 for it!
target_files.remove('./sub-1/beh/responses.tsv')
# Ben: metadata object files may differ in their names containing some checksum-ish shit ...
# TODO: Check how those names are constructed and may be at least count the number of created object files in addition to that comparison
eq_(
set([
f for f in all_files_updated
if not f.startswith('./.datalad/metadata/objects/')
]), target_files)
# new instance so it re-reads git stuff etc
# repo = AnnexRepo(outd, create=False) # to be used in the checks
commits_hexsha_ = {b: list(_get_branch_commits(repo, b)) for b in branches}
commits_l_ = {
b: list(_get_branch_commits(repo, b, limit='left-only'))
for b in branches
}
assert_not_equal(commits_hexsha, commits_hexsha_)
eq_(out[0]['datalad_stats'],
ActivityStats()) # commit happened so stats were consumed
# numbers seems to be right
total_stats = out[0]['datalad_stats'].get_total()
# but for some reason downloaded_size fluctuates.... why? probably archiving...?
total_stats.downloaded_size = 0
eq_(
total_stats,
ActivityStats(
files=8,
skipped=5,
downloaded=1,
renamed=1,
urls=6,
add_annex=2, # add_git=1, # README
versions=['2.0.0'],
merges=[['incoming', 'incoming-processed']]))
check_dropall_get(repo)
# Let's see if pipeline would remove files we stopped tracking
remove_from_index(index_html, '<a href=.ds666_R1.0.0[^<]*</a>')
with chpwd(outd):
with swallow_logs(new_level=logging.WARNING) as cml:
out = run_pipeline(pipeline)
# since files get removed in incoming, but repreprocessed completely
# incomming-processed and merged into master -- new commits will come
# They shouldn't have any difference but still should be new commits
assert_in("There is already a tag 2.0.0 in the repository",
cml.out)
eq_(len(out), 1)
incoming_files = repo.get_files('incoming')
target_incoming_files.remove('ds666_R1.0.0.tar.gz')
eq_(set(incoming_files), target_incoming_files)
commits_hexsha_removed = {
b: list(_get_branch_commits(repo, b))
for b in branches
}
# our 'statuses' database should have recorded the change thus got a diff
# which propagated through all branches
for b in 'master', 'incoming-processed':
# with non persistent DB we had no changes
# eq_(repo.repo.branches[b].commit.diff(commits_hexsha_[b][0]), [])
assert_in(repo.pathobj / '.datalad/crawl/statuses/incoming.json',
repo.diff(b, commits_hexsha_[b][0]))
dincoming = repo.diff('incoming', commits_hexsha_['incoming'][0])
eq_(len(dincoming),
2) # 2 diff objects -- 1 file removed, 1 statuses updated
eq_(
set(dincoming.keys()), {
repo.pathobj / '.datalad/crawl/statuses/incoming.json',
repo.pathobj / 'ds666_R1.0.0.tar.gz'
})
eq_(out[0]['datalad_stats'].get_total().removed, 1)
assert_not_equal(commits_hexsha_, commits_hexsha_removed)
# we will check if a clone would be crawling just as good
from datalad.api import crawl
# make a brand new clone
GitRepo.clone(outd, clonedir)
def _pipeline(*args, **kwargs):
"""Helper to mock openfmri.pipeline invocation so it looks at our 'server'"""
kwargs = updated(kwargs, {'topurl': topurl, 'versioned_urls': False})
return ofpipeline(*args, **kwargs)
with chpwd(clonedir), patch.object(openfmri, 'pipeline', _pipeline):
output, stats = crawl(
) # we should be able to recrawl without doing anything
ok_(stats, ActivityStats(files=6, skipped=6, urls=5))
def __call__(source,
path=None,
dataset=None,
description=None,
reckless=False,
alt_sources=None):
# TODO next ones should be there, but cannot go anywhere
# git_opts=None,
# git_clone_opts=None,
# annex_opts=None,
# annex_init_opts=None
# did we explicitly get a dataset to install into?
# if we got a dataset, path will be resolved against it.
# Otherwise path will be resolved first.
dataset = require_dataset(
dataset, check_installed=True, purpose='cloning') \
if dataset is not None else dataset
refds_path = dataset.path if dataset else None
if isinstance(source, Dataset):
source = source.path
if source == path:
# even if they turn out to be identical after resolving symlinks
# and more sophisticated witchcraft, it would still happily say
# "it appears to be already installed", so we just catch an
# obviously pointless input combination
raise ValueError(
"clone `source` and destination `path` are identical [{}]. "
"If you are trying to add a subdataset simply use `add`".
format(path))
if path is not None:
path = resolve_path(path, dataset)
# Possibly do conversion from source into a git-friendly url
# luckily GitRepo will undo any fancy file:/// url to make use of Git's
# optimization for local clones....
source_url = source
source_ = _get_git_url_from_source(source)
lgr.debug("Resolved clone source from '%s' to '%s'", source, source_)
source = source_
# derive target from source:
if path is None:
# we got nothing but a source. do something similar to git clone
# and derive the path from the source and continue
path = _get_installationpath_from_url(source)
# since this is a relative `path`, resolve it:
path = resolve_path(path, dataset)
lgr.debug("Determined clone target path from source")
lgr.debug("Resolved clone target path to: '%s'", path)
# there is no other way -- my intoxicated brain tells me
assert (path is not None)
destination_dataset = Dataset(path)
dest_path = path
status_kwargs = dict(action='install',
ds=destination_dataset,
logger=lgr,
refds=refds_path,
source_url=source_url)
# important test! based on this `rmtree` will happen below after failed clone
if exists(dest_path) and listdir(dest_path):
if destination_dataset.is_installed():
# check if dest was cloned from the given source before
# this is where we would have installed this from
guessed_sources = _get_flexible_source_candidates(
source, dest_path)
# this is where it was actually installed from
track_name, track_url = _get_tracking_source(
destination_dataset)
if track_url in guessed_sources or \
get_local_file_url(track_url) in guessed_sources:
yield get_status_dict(
status='notneeded',
message=("dataset %s was already cloned from '%s'",
destination_dataset, source),
**status_kwargs)
return
# anything else is an error
yield get_status_dict(
status='error',
message=
'target path already exists and not empty, refuse to clone into target path',
**status_kwargs)
return
if dataset is not None and relpath(
path, start=dataset.path).startswith(pardir):
yield get_status_dict(
status='error',
message=
("clone target path '%s' not in specified target dataset '%s'",
path, dataset),
**status_kwargs)
return
# generate candidate URLs from source argument to overcome a few corner cases
# and hopefully be more robust than git clone
candidate_sources = []
# combine all given sources (incl. alternatives), maintain order
for s in [source] + assure_list(alt_sources):
candidate_sources.extend(_get_flexible_source_candidates(s))
lgr.info("Cloning %s to '%s'", source, dest_path)
for isource_, source_ in enumerate(candidate_sources):
try:
lgr.debug(
"Attempting to clone %s (%d out of %d candidates) to '%s'",
source_, isource_ + 1, len(candidate_sources), dest_path)
GitRepo.clone(path=dest_path, url=source_, create=True)
break # do not bother with other sources if succeeded
except GitCommandError as e:
lgr.debug("Failed to clone from URL: %s (%s)", source_,
exc_str(e))
if exists(dest_path):
lgr.debug("Wiping out unsuccessful clone attempt at: %s",
dest_path)
rmtree(dest_path)
if 'could not create work tree' in e.stderr.lower():
# this cannot be fixed by trying another URL
yield get_status_dict(
status='error',
message=re.match(r".*fatal: (.*)\n",
e.stderr,
flags=re.MULTILINE
| re.DOTALL).group(1),
**status_kwargs)
return
if not destination_dataset.is_installed():
yield get_status_dict(
status='error',
message=(
"Failed to clone data from any candidate source URL: %s",
candidate_sources),
**status_kwargs)
return
if dataset is not None:
# we created a dataset in another dataset
# -> make submodule
for r in dataset.add(dest_path,
save=True,
ds2super=True,
return_type='generator',
result_filter=None,
result_xfm=None,
on_failure='ignore'):
yield r
_handle_possible_annex_dataset(destination_dataset,
reckless,
description=description)
# yield successful clone of the base dataset now, as any possible
# subdataset clone down below will not alter the Git-state of the
# parent
yield get_status_dict(status='ok', **status_kwargs)
