[Notes] [Git][BuildStream/buildstream][jonathan/workspace-fragment-guess-element] 7 commits: Merge branch 'jonathan/workspace-fragment-create' into 'master'

[Jonathan Maw <gitlab mg gitlab com>]

Title: GitLab

Jonathan Maw pushed to branch jonathan/workspace-fragment-guess-element at BuildStream / buildstream

Commits:

• 4219a6b4
  by Jonathan Maw at 2018-12-11T16:00:55Z

  Merge branch 'jonathan/workspace-fragment-create' into 'master'
  
  Support invoking buildstream from a workspace outside a project
  
  See merge request BuildStream/buildstream!924

• e564251b
  by Jonathan Maw at 2018-12-11T16:15:19Z

  _stream.py: Fix ugly error when opening a workspace using a relative path
  

• 7cf83343
  by Jonathan Maw at 2018-12-11T16:15:19Z

  _context.py: Store the directory buildstream was invoked on
  

• a1dee91e
  by Jonathan Maw at 2018-12-11T16:15:19Z

  Make specifying elements optional in bst commands
  
  Known issues:
  * `bst shell` works, but `bst shell COMMANDS...` doesn't, because click
    has no way of separating optional args from variable-length args.
  * `bst checkout` and `bst source-checkout`'s usage strings mark LOCATION
    as an optional argument. Because click gets confused if there's an
    optional argument before a mandatory argument, I had to mark LOCATION
    as optional internally.
  * `bst workspace open` makes no sense with element being optional, so
    I skipped it.
  * `bst workspace close` will probably need to be revisited when multiple
    projects can own one workspace.
  * `bst workspace reset` will happily delete the directory you're
    currently in, requiring you to `cd $PWD` to see the contents of your
    directory.
    I could exclude the top-level directory of the workspace being
    deleted, but it is entirely valid to run workspace commands from deeper
    in the workspace.
  
  This is a part of #222
  

• 9b192015
  by Jonathan Maw at 2018-12-11T16:15:19Z

  tests: Add tests for guessing element names
  
  This is a part of #222
  

• e340371f
  by Jonathan Maw at 2018-12-11T16:15:19Z

  Add NEWS for guessing the element in commands
  
  This is a part of #222
  

• bbf81c3d
  by Jonathan Maw at 2018-12-11T16:15:19Z

  doc: Point out that element is optional when commands are run from the workspace
  
  This is a part of #222
  

11 changed files:

• NEWS
• buildstream/_context.py
• buildstream/_frontend/app.py
• buildstream/_frontend/cli.py
• buildstream/_stream.py
• doc/sessions/developing.run
• doc/source/developing/workspaces.rst
• + doc/source/sessions-stored/developing-build-after-changes-workspace.html
• tests/frontend/source_checkout.py
• tests/frontend/workspace.py
• tests/integration/shell.py

Changes:

NEWS

---

...	...	@@ -86,6 +86,11 @@ buildstream 1.3.1
86	86	o Opening a workspace now creates a .bstproject.yaml file that allows buildstream
87	87	commands to be run from a workspace that is not inside a project.
88	88
	89	+ o Specifying an element is now optional for some commands when buildstream is run
	90	+ from inside a workspace - the 'build', 'checkout', 'fetch', 'pull', 'push',
	91	+ 'shell', 'show', 'source-checkout', 'track', 'workspace close' and 'workspace reset'
	92	+ commands are affected.
	93	+
89	94
90	95	=================
91	96	buildstream 1.1.5

buildstream/_context.py

---

...	...	@@ -32,7 +32,7 @@ from ._message import Message, MessageType
32	32	from ._profile import Topics, profile_start, profile_end
33	33	from ._artifactcache import ArtifactCache
34	34	from ._artifactcache.cascache import CASCache
35		-from ._workspaces import Workspaces, WorkspaceProjectCache
	35	+from ._workspaces import Workspaces, WorkspaceProjectCache, WORKSPACE_PROJECT_FILE
36	36	from .plugin import _plugin_lookup
37	37
38	38
...	...	@@ -47,9 +47,12 @@ from .plugin import _plugin_lookup
47	47	# verbosity levels and basically anything pertaining to the context
48	48	# in which BuildStream was invoked.
49	49	#
	50	+# Args:
	51	+# directory (str): The directory that buildstream was invoked in
	52	+#
50	53	class Context():
51	54
52		- def __init__(self):
	55	+ def __init__(self, directory=None):
53	56
54	57	# Filename indicating which configuration file was used, or None for the defaults
55	58	self.config_origin = None
...	...	@@ -148,6 +151,7 @@ class Context():
148	151	self._log_handle = None
149	152	self._log_filename = None
150	153	self._cascache = None
	154	+ self._directory = directory
151	155
152	156	# load()
153	157	#
...	...	@@ -645,6 +649,20 @@ class Context():
645	649	self._cascache = CASCache(self.artifactdir)
646	650	return self._cascache
647	651
	652	+ # guess_element()
	653	+ #
	654	+ # Attempts to interpret which element the user intended to run commands on
	655	+ #
	656	+ # Returns:
	657	+ # (str) The name of the element, or None if no element can be guessed
	658	+ def guess_element(self):
	659	+ workspace_project_dir, _ = utils._search_upward_for_files(self._directory, [WORKSPACE_PROJECT_FILE])
	660	+ if workspace_project_dir:
	661	+ workspace_project = self._workspace_project_cache.get(workspace_project_dir)
	662	+ return workspace_project.get_default_element()
	663	+ else:
	664	+ return None
	665	+
648	666
649	667	# _node_get_option_str()
650	668	#

buildstream/_frontend/app.py

---

...	...	@@ -164,7 +164,7 @@ class App():
164	164	# Load the Context
165	165	#
166	166	try:
167		- self.context = Context()
	167	+ self.context = Context(directory)
168	168	self.context.load(config)
169	169	except BstError as e:
170	170	self._error_exit(e, "Error loading user configuration")

buildstream/_frontend/cli.py

---

...	...	@@ -316,10 +316,15 @@ def build(app, elements, all_, track_, track_save, track_all, track_except, trac
316	316	if track_save:
317	317	click.echo("WARNING: --track-save is deprecated, saving is now unconditional", err=True)
318	318
319		- if track_all:
320		- track_ = elements
321		-
322	319	with app.initialized(session_name="Build"):
	320	+ if not all_ and not elements:
	321	+ guessed_target = app.context.guess_element()
	322	+ if guessed_target:
	323	+ elements = (guessed_target,)
	324	+
	325	+ if track_all:
	326	+ track_ = elements
	327	+
323	328	app.stream.build(elements,
324	329	track_targets=track_,
325	330	track_except=track_except,
...	...	@@ -371,6 +376,11 @@ def fetch(app, elements, deps, track_, except_, track_cross_junctions):
371	376	deps = PipelineSelection.ALL
372	377
373	378	with app.initialized(session_name="Fetch"):
	379	+ if not elements:
	380	+ guessed_target = app.context.guess_element()
	381	+ if guessed_target:
	382	+ elements = (guessed_target,)
	383	+
374	384	app.stream.fetch(elements,
375	385	selection=deps,
376	386	except_targets=except_,
...	...	@@ -407,6 +417,11 @@ def track(app, elements, deps, except_, cross_junctions):
407	417	all: All dependencies of all specified elements
408	418	"""
409	419	with app.initialized(session_name="Track"):
	420	+ if not elements:
	421	+ guessed_target = app.context.guess_element()
	422	+ if guessed_target:
	423	+ elements = (guessed_target,)
	424	+
410	425	# Substitute 'none' for 'redirect' so that element redirections
411	426	# will be done
412	427	if deps == 'none':
...	...	@@ -442,7 +457,13 @@ def pull(app, elements, deps, remote):
442	457	none: No dependencies, just the element itself
443	458	all: All dependencies
444	459	"""
	460	+
445	461	with app.initialized(session_name="Pull"):
	462	+ if not elements:
	463	+ guessed_target = app.context.guess_element()
	464	+ if guessed_target:
	465	+ elements = (guessed_target,)
	466	+
446	467	app.stream.pull(elements, selection=deps, remote=remote)
447	468
448	469
...	...	@@ -475,6 +496,11 @@ def push(app, elements, deps, remote):
475	496	all: All dependencies
476	497	"""
477	498	with app.initialized(session_name="Push"):
	499	+ if not elements:
	500	+ guessed_target = app.context.guess_element()
	501	+ if guessed_target:
	502	+ elements = (guessed_target,)
	503	+
478	504	app.stream.push(elements, selection=deps, remote=remote)
479	505
480	506
...	...	@@ -545,6 +571,11 @@ def show(app, elements, deps, except_, order, format_):
545	571	$'---------- %{name} ----------\\n%{vars}'
546	572	"""
547	573	with app.initialized():
	574	+ if not elements:
	575	+ guessed_target = app.context.guess_element()
	576	+ if guessed_target:
	577	+ elements = (guessed_target,)
	578	+
548	579	dependencies = app.stream.load_selection(elements,
549	580	selection=deps,
550	581	except_targets=except_)
...	...	@@ -573,7 +604,7 @@ def show(app, elements, deps, except_, order, format_):
573	604	help="Mount a file or directory into the sandbox")
574	605	@click.option('--isolate', is_flag=True, default=False,
575	606	help='Create an isolated build sandbox')
576		-@click.argument('element',
	607	+@click.argument('element', required=False,
577	608	type=click.Path(readable=False))
578	609	@click.argument('command', type=click.STRING, nargs=-1)
579	610	@click.pass_obj
...	...	@@ -604,6 +635,11 @@ def shell(app, element, sysroot, mount, isolate, build_, command):
604	635	scope = Scope.RUN
605	636
606	637	with app.initialized():
	638	+ if not element:
	639	+ element = app.context.guess_element()
	640	+ if not element:
	641	+ raise AppError('Missing argument "ELEMENT".')
	642	+
607	643	dependencies = app.stream.load_selection((element,), selection=PipelineSelection.NONE)
608	644	element = dependencies[0]
609	645	prompt = app.shell_prompt(element)
...	...	@@ -641,15 +677,24 @@ def shell(app, element, sysroot, mount, isolate, build_, command):
641	677	help="Create a tarball from the artifact contents instead "
642	678	"of a file tree. If LOCATION is '-', the tarball "
643	679	"will be dumped to the standard output.")
644		-@click.argument('element',
	680	+@click.argument('element', required=False,
645	681	type=click.Path(readable=False))
646		-@click.argument('location', type=click.Path())
	682	+@click.argument('location', type=click.Path(), required=False)
647	683	@click.pass_obj
648	684	def checkout(app, element, location, force, deps, integrate, hardlinks, tar):
649	685	"""Checkout a built artifact to the specified location
650	686	"""
651	687	from ..element import Scope
652	688
	689	+ if not element and not location:
	690	+ click.echo("ERROR: LOCATION is not specified", err=True)
	691	+ sys.exit(-1)
	692	+
	693	+ if element and not location:
	694	+ # Nasty hack to get around click's optional args
	695	+ location = element
	696	+ element = None
	697	+
653	698	if hardlinks and tar:
654	699	click.echo("ERROR: options --hardlinks and --tar conflict", err=True)
655	700	sys.exit(-1)
...	...	@@ -662,6 +707,11 @@ def checkout(app, element, location, force, deps, integrate, hardlinks, tar):
662	707	scope = Scope.NONE
663	708
664	709	with app.initialized():
	710	+ if not element:
	711	+ element = app.context.guess_element()
	712	+ if not element:
	713	+ raise AppError('Missing argument "ELEMENT".')
	714	+
665	715	app.stream.checkout(element,
666	716	location=location,
667	717	force=force,
...	...	@@ -683,14 +733,28 @@ def checkout(app, element, location, force, deps, integrate, hardlinks, tar):
683	733	help='The dependencies whose sources to checkout (default: none)')
684	734	@click.option('--fetch', 'fetch_', default=False, is_flag=True,
685	735	help='Fetch elements if they are not fetched')
686		-@click.argument('element',
	736	+@click.argument('element', required=False,
687	737	type=click.Path(readable=False))
688		-@click.argument('location', type=click.Path())
	738	+@click.argument('location', type=click.Path(), required=False)
689	739	@click.pass_obj
690	740	def source_checkout(app, element, location, deps, fetch_, except_):
691	741	"""Checkout sources of an element to the specified location
692	742	"""
	743	+ if not element and not location:
	744	+ click.echo("ERROR: LOCATION is not specified", err=True)
	745	+ sys.exit(-1)
	746	+
	747	+ if element and not location:
	748	+ # Nasty hack to get around click's optional args
	749	+ location = element
	750	+ element = None
	751	+
693	752	with app.initialized():
	753	+ if not element:
	754	+ element = app.context.guess_element()
	755	+ if not element:
	756	+ raise AppError('Missing argument "ELEMENT".')
	757	+
694	758	app.stream.source_checkout(element,
695	759	location=location,
696	760	deps=deps,
...	...	@@ -747,11 +811,15 @@ def workspace_open(app, no_checkout, force, track_, directory, elements):
747	811	def workspace_close(app, remove_dir, all_, elements):
748	812	"""Close a workspace"""
749	813
750		- if not (all_ or elements):
751		- click.echo('ERROR: no elements specified', err=True)
752		- sys.exit(-1)
753		-
754	814	with app.initialized():
	815	+ if not (all_ or elements):
	816	+ # NOTE: I may need to revisit this when implementing multiple projects
	817	+ # opening one workspace.
	818	+ element = app.context.guess_element()
	819	+ if element:
	820	+ elements = (element,)
	821	+ else:
	822	+ raise AppError('No elements specified')
755	823
756	824	# Early exit if we specified `all` and there are no workspaces
757	825	if all_ and not app.stream.workspace_exists():
...	...	@@ -808,7 +876,11 @@ def workspace_reset(app, soft, track_, all_, elements):
808	876	with app.initialized():
809	877
810	878	if not (all_ or elements):
811		- raise AppError('No elements specified to reset')
	879	+ element = app.context.guess_element()
	880	+ if element:
	881	+ elements = (element,)
	882	+ else:
	883	+ raise AppError('No elements specified to reset')
812	884
813	885	if all_ and not app.stream.workspace_exists():
814	886	raise AppError("No open workspaces to reset")

buildstream/_stream.py

---

...	...	@@ -544,7 +544,8 @@ class Stream():
544	544	if len(elements) != 1:
545	545	raise StreamError("Exactly one element can be given if --directory is used",
546	546	reason='directory-with-multiple-elements')
547		- expanded_directories = [custom_dir, ]
	547	+ directory = os.path.abspath(custom_dir)
	548	+ expanded_directories = [directory, ]
548	549	else:
549	550	# If this fails it is a bug in what ever calls this, usually cli.py and so can not be tested for via the
550	551	# run bst test mechanism.

doc/sessions/developing.run

---

...	...	@@ -24,6 +24,11 @@ commands:
24	24	output: ../source/sessions/developing-build-after-changes.html
25	25	command: build hello.bst
26	26
	27	+# Rebuild, from the workspace
	28	+- directory: ../examples/developing/workspace_hello
	29	+ output: ../source/sessions/developing-build-after-changes-workspace.html
	30	+ command: build
	31	+
27	32	# Capture shell output with changes
28	33	- directory: ../examples/developing/
29	34	output: ../source/sessions/developing-shell-after-changes.html

doc/source/developing/workspaces.rst

---

...	...	@@ -50,11 +50,16 @@ We can open workspace_hello/hello.c and make the following change:
50	50	.. literalinclude:: ../../examples/developing/update.patch
51	51	:language: diff
52	52
53		-Now, rebuild the hello.bst element
	53	+Now, rebuild the hello.bst element.
54	54
55	55	.. raw:: html
56	56	:file: ../sessions/developing-build-after-changes.html
57	57
	58	+Note that if you run the command from inside the workspace, the element name is optional.
	59	+
	60	+.. raw:: html
	61	+ :file: ../sessions/developing-build-after-changes-workspace.html
	62	+
58	63	Now running the hello command using bst shell:
59	64
60	65	.. raw:: html

doc/source/sessions-stored/developing-build-after-changes-workspace.html

---

	1	+<!--
	2	+ WARNING: This file was generated with bst2html.py
	3	+-->
	4	+<div class="highlight" style="font-size:x-small"><pre>
	5	+<span style="color:#C4A000;font-weight:bold">user@host</span>:<span style="color:#3456A4;font-weight:bold">~/workspace_hello</span>$ bst build
	6	+
	7	+<span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#3465A4"><span style=""><span style="opacity:0.5">START </span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Build
	8	+<span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#3465A4"><span style=""><span style="opacity:0.5">START </span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Loading elements
	9	+<span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#4E9A06"><span style=""><span style="opacity:0.5">SUCCESS</span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Loading elements
	10	+<span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#3465A4"><span style=""><span style="opacity:0.5">START </span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Resolving elements
	11	+<span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#4E9A06"><span style=""><span style="opacity:0.5">SUCCESS</span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Resolving elements
	12	+<span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#3465A4"><span style=""><span style="opacity:0.5">START </span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Resolving cached state
	13	+<span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#4E9A06"><span style=""><span style="opacity:0.5">SUCCESS</span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Resolving cached state
	14	+<span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">--</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#3465A4"><span style=""><span style="opacity:0.5">START </span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Checking sources
	15	+<span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#4E9A06"><span style=""><span style="opacity:0.5">SUCCESS</span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Checking sources
	16	+
	17	+<span style="color:#C4A000"><span style="">BuildStream Version 1.3.0+1032.g41813d3a.dirty
	18	+</span></span><span style="color:#06989A"><span style="opacity:0.5"> Session Start: </span></span><span style="color:#C4A000">Wednesday, 05-12-2018 at 16:47:38</span>
	19	+<span style="color:#06989A"><span style="opacity:0.5"> Project: </span></span><span style="color:#C4A000">developing (/home/user/workspace/buildstream/buildstream/doc/examples/developing)</span>
	20	+<span style="color:#06989A"><span style="opacity:0.5"> Targets: </span></span><span style="color:#C4A000">hello.bst</span>
	21	+
	22	+<span style="color:#C4A000"><span style="">User Configuration
	23	+</span></span><span style="color:#06989A"><span style="opacity:0.5"> Configuration File: </span></span><span style="color:#C4A000">/home/user/workspace/buildstream/buildstream/doc/run-bst-7ocq4_a7/buildstream.conf</span>
	24	+<span style="color:#06989A"><span style="opacity:0.5"> Log Files: </span></span><span style="color:#C4A000">/home/user/workspace/buildstream/buildstream/doc/run-bst-7ocq4_a7/logs</span>
	25	+<span style="color:#06989A"><span style="opacity:0.5"> Source Mirrors: </span></span><span style="color:#C4A000">/home/user/workspace/buildstream/buildstream/doc/run-bst-7ocq4_a7/sources</span>
	26	+<span style="color:#06989A"><span style="opacity:0.5"> Build Area: </span></span><span style="color:#C4A000">/home/user/workspace/buildstream/buildstream/doc/run-bst-7ocq4_a7/build</span>
	27	+<span style="color:#06989A"><span style="opacity:0.5"> Artifact Cache: </span></span><span style="color:#C4A000">/home/user/workspace/buildstream/buildstream/doc/run-bst-7ocq4_a7/artifacts</span>
	28	+<span style="color:#06989A"><span style="opacity:0.5"> Strict Build Plan: </span></span><span style="color:#C4A000">Yes</span>
	29	+<span style="color:#06989A"><span style="opacity:0.5"> Maximum Fetch Tasks: </span></span><span style="color:#C4A000">10</span>
	30	+<span style="color:#06989A"><span style="opacity:0.5"> Maximum Build Tasks: </span></span><span style="color:#C4A000">4</span>
	31	+<span style="color:#06989A"><span style="opacity:0.5"> Maximum Push Tasks: </span></span><span style="color:#C4A000">4</span>
	32	+<span style="color:#06989A"><span style="opacity:0.5"> Maximum Network Retries: </span></span><span style="color:#C4A000">2</span>
	33	+
	34	+<span style="color:#C4A000"><span style="">Pipeline
	35	+</span></span><span style="color:#75507B"> cached</span> <span style="color:#C4A000">9afe69d645f0bee106749bc2101aae16ef437bb51e1b343ef1f16f04f0572efb</span> <span style="color:#3465A4"><span style="">base/alpine.bst</span></span>
	36	+<span style="color:#75507B"> cached</span> <span style="color:#C4A000">19f7c50c7a1db9ae4babe9d1f34f4cdbbf2428827d48673861fd1452d6c7e16b</span> <span style="color:#3465A4"><span style="">base.bst</span></span>
	37	+<span style="color:#75507B"> cached</span> <span style="color:#C4A000">faa419610e7309d36d15926a81a8d75bbc113443c23c8162e63843dd86b5f56a</span> <span style="color:#3465A4"><span style="">hello.bst</span></span> Workspace: /home/user/workspace/buildstream/buildstream/doc/examples/developing/workspace_hello
	38	+<span style="color:#06989A"><span style="opacity:0.5">===============================================================================
	39	+</span></span><span style="color:#06989A"><span style="opacity:0.5">[</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">:</span></span><span style="color:#C4A000">00</span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">][</span></span><span style="color:#06989A"><span style="opacity:0.5">] </span></span><span style="color:#4E9A06"><span style=""><span style="opacity:0.5">SUCCESS</span></span></span><span style="color:#06989A"><span style="opacity:0.5"> </span></span>Build
	40	+
	41	+<span style="color:#C4A000"><span style="">Pipeline Summary
	42	+</span></span><span style="color:#06989A"><span style="opacity:0.5"> Total: </span></span><span style="color:#C4A000">3</span>
	43	+<span style="color:#06989A"><span style="opacity:0.5"> Session: </span></span><span style="color:#C4A000">0</span>
	44	+<span style="color:#06989A"><span style="opacity:0.5"> Fetch Queue: </span></span><span style="color:#C4A000">processed </span><span style="color:#4E9A06">0</span><span style="color:#06989A"><span style="opacity:0.5">, </span></span><span style="color:#C4A000">skipped </span><span style="color:#C4A000">0</span><span style="color:#06989A"><span style="opacity:0.5">, </span></span><span style="color:#C4A000">failed </span><span style="color:#CC0000"><span style="opacity:0.5">0</span></span>
	45	+<span style="color:#06989A"><span style="opacity:0.5"> Build Queue: </span></span><span style="color:#C4A000">processed </span><span style="color:#4E9A06">0</span><span style="color:#06989A"><span style="opacity:0.5">, </span></span><span style="color:#C4A000">skipped </span><span style="color:#C4A000">0</span><span style="color:#06989A"><span style="opacity:0.5">, </span></span><span style="color:#C4A000">failed </span><span style="color:#CC0000"><span style="opacity:0.5">0</span></span>
	46	+</pre></div>

tests/frontend/source_checkout.py

---

...	...	@@ -28,19 +28,28 @@ def generate_remote_import_element(input_path, output_path):
28	28
29	29
30	30	@pytest.mark.datafiles(DATA_DIR)
31		-@pytest.mark.parametrize('with_workspace', [('workspace'), ('no-workspace')])
32		-def test_source_checkout(datafiles, tmpdir_factory, cli, with_workspace):
	31	+@pytest.mark.parametrize(
	32	+ "with_workspace,guess_element",
	33	+ [(True, True), (True, False), (False, False)],
	34	+ ids=["workspace-guess", "workspace-no-guess", "no-workspace-no-guess"]
	35	+)
	36	+def test_source_checkout(datafiles, cli, tmpdir_factory, with_workspace, guess_element):
33	37	tmpdir = tmpdir_factory.mktemp("")
34	38	project = os.path.join(datafiles.dirname, datafiles.basename)
35	39	checkout = os.path.join(cli.directory, 'source-checkout')
36	40	target = 'checkout-deps.bst'
37	41	workspace = os.path.join(str(tmpdir), 'workspace')
	42	+ elm_cmd = [target] if not guess_element else []
38	43
39		- if with_workspace == "workspace":
40		- result = cli.run(project=project, args=['workspace', 'open', '--directory', workspace, target])
	44	+ if with_workspace:
	45	+ ws_cmd = ['-C', workspace]
	46	+ result = cli.run(project=project, args=["workspace", "open", "--directory", workspace, target])
41	47	result.assert_success()
	48	+ else:
	49	+ ws_cmd = []
42	50
43		- result = cli.run(project=project, args=['source-checkout', target, '--deps', 'none', checkout])
	51	+ args = ws_cmd + ['source-checkout', '--deps', 'none'] + elm_cmd + [checkout]
	52	+ result = cli.run(project=project, args=args)
44	53	result.assert_success()
45	54
46	55	assert os.path.exists(os.path.join(checkout, 'checkout-deps', 'etc', 'buildstream', 'config'))

tests/frontend/workspace.py

---

...	...	@@ -616,12 +616,16 @@ def test_list(cli, tmpdir, datafiles):
616	616	@pytest.mark.datafiles(DATA_DIR)
617	617	@pytest.mark.parametrize("kind", repo_kinds)
618	618	@pytest.mark.parametrize("strict", [("strict"), ("non-strict")])
619		-@pytest.mark.parametrize("call_from", [("project"), ("workspace")])
620		-def test_build(cli, tmpdir_factory, datafiles, kind, strict, call_from):
	619	+@pytest.mark.parametrize(
	620	+ "from_workspace,guess_element",
	621	+ [(False, False), (True, True), (True, False)],
	622	+ ids=["project-no-guess", "workspace-guess", "workspace-no-guess"])
	623	+def test_build(cli, tmpdir_factory, datafiles, kind, strict, from_workspace, guess_element):
621	624	tmpdir = tmpdir_factory.mktemp('')
622	625	element_name, project, workspace = open_workspace(cli, tmpdir, datafiles, kind, False)
623	626	checkout = os.path.join(str(tmpdir), 'checkout')
624		- args_pre = ['-C', workspace] if call_from == "workspace" else []
	627	+ args_dir = ['-C', workspace] if from_workspace else []
	628	+ args_elm = [element_name] if not guess_element else []
625	629
626	630	# Modify workspace
627	631	shutil.rmtree(os.path.join(workspace, 'usr', 'bin'))
...	...	@@ -644,14 +648,14 @@ def test_build(cli, tmpdir_factory, datafiles, kind, strict, call_from):
644	648	# Build modified workspace
645	649	assert cli.get_element_state(project, element_name) == 'buildable'
646	650	assert cli.get_element_key(project, element_name) == "{:?<64}".format('')
647		- result = cli.run(project=project, args=args_pre + ['build', element_name])
	651	+ result = cli.run(project=project, args=args_dir + ['build'] + args_elm)
648	652	result.assert_success()
649	653	assert cli.get_element_state(project, element_name) == 'cached'
650	654	assert cli.get_element_key(project, element_name) != "{:?<64}".format('')
651	655
652	656	# Checkout the result
653	657	result = cli.run(project=project,
654		- args=args_pre + ['checkout', element_name, checkout])
	658	+ args=args_dir + ['checkout'] + args_elm + [checkout])
655	659	result.assert_success()
656	660
657	661	# Check that the pony.conf from the modified workspace exists
...	...	@@ -1062,29 +1066,36 @@ def test_multiple_failed_builds(cli, tmpdir, datafiles):
1062	1066
1063	1067	@pytest.mark.datafiles(DATA_DIR)
1064	1068	@pytest.mark.parametrize('subdir', [True, False], ids=["subdir", "no-subdir"])
1065		-def test_external_fetch(cli, datafiles, tmpdir_factory, subdir):
	1069	+@pytest.mark.parametrize("guess_element", [True, False], ids=["guess", "no-guess"])
	1070	+def test_external_fetch(cli, datafiles, tmpdir_factory, subdir, guess_element):
1066	1071	# Fetching from a workspace outside a project doesn't fail horribly
1067	1072	tmpdir = tmpdir_factory.mktemp('')
1068	1073	element_name, project, workspace = open_workspace(cli, tmpdir, datafiles, "git", False)
	1074	+ arg_elm = [element_name] if not guess_element else []
1069	1075
1070	1076	if subdir:
1071	1077	call_dir = os.path.join(workspace, 'usr')
1072	1078	else:
1073	1079	call_dir = workspace
1074	1080
1075		- result = cli.run(project=project, args=['-C', call_dir, 'fetch', element_name])
	1081	+ result = cli.run(project=project, args=['-C', call_dir, 'fetch'] + arg_elm)
1076	1082	result.assert_success()
1077	1083
1078	1084	# We already fetched it by opening the workspace, but we're also checking
1079	1085	# `bst show` works here
1080		- assert cli.get_element_state(project, element_name) == 'buildable'
	1086	+ result = cli.run(project=project,
	1087	+ args=['-C', call_dir, 'show', '--deps', 'none', '--format', '%{state}'] + arg_elm)
	1088	+ result.assert_success()
	1089	+ assert result.output.strip() == 'buildable'
1081	1090
1082	1091
1083	1092	@pytest.mark.datafiles(DATA_DIR)
1084		-def test_external_push_pull(cli, datafiles, tmpdir_factory):
	1093	+@pytest.mark.parametrize("guess_element", [True, False], ids=["guess", "no-guess"])
	1094	+def test_external_push_pull(cli, datafiles, tmpdir_factory, guess_element):
1085	1095	# Pushing and pulling to/from an artifact cache works from an external workspace
1086	1096	tmpdir = tmpdir_factory.mktemp('')
1087	1097	element_name, project, workspace = open_workspace(cli, tmpdir, datafiles, "git", False)
	1098	+ arg_elm = [element_name] if not guess_element else []
1088	1099
1089	1100	with create_artifact_share(os.path.join(str(tmpdir), 'artifactshare')) as share:
1090	1101	result = cli.run(project=project, args=['-C', workspace, 'build', element_name])
...	...	@@ -1094,22 +1105,24 @@ def test_external_push_pull(cli, datafiles, tmpdir_factory):
1094	1105	'artifacts': {'url': share.repo, 'push': True}
1095	1106	})
1096	1107
1097		- result = cli.run(project=project, args=['-C', workspace, 'push', element_name])
	1108	+ result = cli.run(project=project, args=['-C', workspace, 'push'] + arg_elm)
1098	1109	result.assert_success()
1099	1110
1100		- result = cli.run(project=project, args=['-C', workspace, 'pull', '--deps', 'all', element_name])
	1111	+ result = cli.run(project=project, args=['-C', workspace, 'pull', '--deps', 'all'] + arg_elm)
1101	1112	result.assert_success()
1102	1113
1103	1114
1104	1115	@pytest.mark.datafiles(DATA_DIR)
1105		-def test_external_track(cli, datafiles, tmpdir_factory):
	1116	+@pytest.mark.parametrize("guess_element", [True, False], ids=["guess", "no-guess"])
	1117	+def test_external_track(cli, datafiles, tmpdir_factory, guess_element):
1106	1118	# Tracking does not get horribly confused
1107	1119	tmpdir = tmpdir_factory.mktemp('')
1108	1120	element_name, project, workspace = open_workspace(cli, tmpdir, datafiles, "git", True)
	1121	+ arg_elm = [element_name] if not guess_element else []
1109	1122
1110	1123	# The workspace is necessarily already tracked, so we only care that
1111	1124	# there's no weird errors.
1112		- result = cli.run(project=project, args=['-C', workspace, 'track', element_name])
	1125	+ result = cli.run(project=project, args=['-C', workspace, 'track'] + arg_elm)
1113	1126	result.assert_success()
1114	1127
1115	1128
...	...	@@ -1147,15 +1160,17 @@ def test_external_close_other(cli, datafiles, tmpdir_factory):
1147	1160
1148	1161
1149	1162	@pytest.mark.datafiles(DATA_DIR)
1150		-def test_external_close_self(cli, datafiles, tmpdir_factory):
	1163	+@pytest.mark.parametrize("guess_element", [True, False], ids=["guess", "no-guess"])
	1164	+def test_external_close_self(cli, datafiles, tmpdir_factory, guess_element):
1151	1165	# >From inside an external workspace, close it
1152	1166	tmpdir1 = tmpdir_factory.mktemp('')
1153	1167	tmpdir2 = tmpdir_factory.mktemp('')
1154	1168	# Making use of the assumption that it's the same project in both invocations of open_workspace
1155	1169	alpha_element, project, alpha_workspace = open_workspace(cli, tmpdir1, datafiles, "git", False, suffix="-alpha")
1156	1170	beta_element, _, beta_workspace = open_workspace(cli, tmpdir2, datafiles, "git", False, suffix="-beta")
	1171	+ arg_elm = [alpha_element] if not guess_element else []
1157	1172
1158		- result = cli.run(project=project, args=['-C', alpha_workspace, 'workspace', 'close', alpha_element])
	1173	+ result = cli.run(project=project, args=['-C', alpha_workspace, 'workspace', 'close'] + arg_elm)
1159	1174	result.assert_success()
1160	1175
1161	1176
...	...	@@ -1172,11 +1187,13 @@ def test_external_reset_other(cli, datafiles, tmpdir_factory):
1172	1187
1173	1188
1174	1189	@pytest.mark.datafiles(DATA_DIR)
1175		-def test_external_reset_self(cli, datafiles, tmpdir):
	1190	+@pytest.mark.parametrize("guess_element", [True, False], ids=["guess", "no-guess"])
	1191	+def test_external_reset_self(cli, datafiles, tmpdir, guess_element):
1176	1192	element, project, workspace = open_workspace(cli, tmpdir, datafiles, "git", False)
	1193	+ arg_elm = [element] if not guess_element else []
1177	1194
1178	1195	# Command succeeds
1179		- result = cli.run(project=project, args=['-C', workspace, 'workspace', 'reset', element])
	1196	+ result = cli.run(project=project, args=['-C', workspace, 'workspace', 'reset'] + arg_elm)
1180	1197	result.assert_success()
1181	1198
1182	1199	# Successive commands still work (i.e. .bstproject.yaml hasn't been deleted)

tests/integration/shell.py

---

...	...	@@ -358,13 +358,22 @@ def test_integration_devices(cli, tmpdir, datafiles):
358	358	# Test that a shell can be opened from an external workspace
359	359	@pytest.mark.datafiles(DATA_DIR)
360	360	@pytest.mark.parametrize("build_shell", [("build"), ("nobuild")])
	361	+@pytest.mark.parametrize("guess_element", [True, False], ids=["guess", "no-guess"])
361	362	@pytest.mark.skipif(IS_LINUX and not HAVE_BWRAP, reason='Only available with bubblewrap on Linux')
362		-def test_integration_external_workspace(cli, tmpdir_factory, datafiles, build_shell):
	363	+def test_integration_external_workspace(cli, tmpdir_factory, datafiles, build_shell, guess_element):
363	364	tmpdir = tmpdir_factory.mktemp("")
364	365	project = os.path.join(datafiles.dirname, datafiles.basename)
365	366	element_name = 'autotools/amhello.bst'
366	367	workspace_dir = os.path.join(str(tmpdir), 'workspace')
367	368
	369	+ if guess_element:
	370	+ # Mutate the project.conf to use a default shell command
	371	+ project_file = os.path.join(project, 'project.conf')
	372	+ config_text = "shell:\n"\
	373	+ " command: ['true']\n"
	374	+ with open(project_file, 'a') as f:
	375	+ f.write(config_text)
	376	+
368	377	result = cli.run(project=project, args=[
369	378	'workspace', 'open', '--directory', workspace_dir, element_name
370	379	])
...	...	@@ -373,9 +382,10 @@ def test_integration_external_workspace(cli, tmpdir_factory, datafiles, build_sh
373	382	result = cli.run(project=project, args=['-C', workspace_dir, 'build', element_name])
374	383	result.assert_success()
375	384
376		- command = ['shell']
	385	+ command = ['-C', workspace_dir, 'shell']
377	386	if build_shell == 'build':
378	387	command.append('--build')
379		- command.extend([element_name, '--', 'true'])
	388	+ if not guess_element:
	389	+ command.extend([element_name, '--', 'true'])
380	390	result = cli.run(project=project, cwd=workspace_dir, args=command)
381	391	result.assert_success()

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