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The OS should only interpret shebangs, if a file is executable.
Thus, there should be no need to modify files where no execute bit is set.
This solves issues that are e.g. encountered while packaging software as
COVISE (https://github.com/hlrs-vis/covise), which includes example data
in Tecplot format. The sbang post-install hook is applied to every installed
file that starts with the two characters #!, but this fails on the binary Tecplot
files, as they happen to start with #!TDV. Decoding them with UTF-8 fails
and an exception is thrown during post_install.
Co-authored-by: Martin Aumüller <aumuell@reserv.at>
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Backports the relevant bits of https://github.com/pytest-dev/py/commit/0f77b6e66f79c07dbb657e2b4a7e94263eacc01b
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This commit contains changes to support Google Cloud Storage
buckets as mirrors, meant for hosting Spack build-caches. This
feature is beneficial for folks that are running infrastructure on
Google Cloud Platform. On public cloud systems, resources are
ephemeral and in many cases, installing compilers, MPI flavors,
and user packages from scratch takes up considerable time.
Giving users the ability to host a Spack mirror that can store build
caches in GCS buckets offers a clean solution for reducing
application rebuilds for Google Cloud infrastructure.
Co-authored-by: Joe Schoonover <joe@fluidnumerics.com>
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current env (#26654)
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With this commit stacktraces of subprocesses are shown only if debug mode is active
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* Update cray architecture detection for milan
Update the cray architecture module table with x86-milan -> zen3
Make cray architecture more robust to back off from frontend
architecture to a recent ancestor if necessary. This should make
future cray updates less paingful for users.
Co-authored-by: Gregory Becker <becker33.llnl.gov>
Co-authored-by: Todd Gamblin <gamblin2@llnl.gov>
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1. Don't use 16 digits of precision for the seconds, round to 2 digits after the comma
2. Don't print if we don't concretize (i.e. `spack concretize` without `-f` doesn't have to tell me it did nothing in `0.00` seconds)
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* Speed-up environment concretization with a process pool
We can exploit the fact that the environment is concretized
separately and use a pool of processes to concretize it.
* Add module spack.util.parallel
Module includes `pool` and `parallel_map` abstractions,
along with implementation details for both.
* Add a new hash type to pass specs across processes
* Add tty msg with concretization time
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- [x] Stage already concretized specs instead of abstract ones
- [x] Reduce number of network calls by reading naughty list up front
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We use POSIX `patch` to apply patches to files when building, but
`patch` by default prompts the user when it looks like a patch
has already been applied. This means that:
1. If a patch lands in upstream and we don't disable it
in a package, the build will start failing.
2. `spack develop` builds (which keep the stage around) will
fail the second time you try to use them.
To avoid that, we can run `patch` with `-N` (also called
`--forward`, but the long option is not in POSIX). `-N` causes
`patch` to just ignore patches that have already been applied.
This *almost* makes `patch` idempotent, except that it returns 1
when it detects already applied patches with `-N`, so we have to
look at the output of the command to see if it's safe to ignore
the error.
- [x] Remove non-POSIX `-s` option from `patch` call
- [x] Add `-N` option to `patch`
- [x] Ignore error status when `patch` returns 1 due to `-N`
- [x] Add tests for applying a patch twice and applying a bad patch
- [x] Tweak `spack.util.executable` so that it saves the error that
*would have been* raised with `fail_on_error=True`. This lets
us easily re-raise it.
Co-authored-by: Greg Becker <becker33@llnl.gov>
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* relocate: call install_name_tool less
* zstd: fix race condition
Multiple times on my mac, trying to install in parallel led to failures
from multiple tasks trying to simultaneously create `$PREFIX/lib`.
* PackageMeta: simplify callback flush
* Relocate: use spack.platforms instead of platform
* Relocate: code improvements
* fix zstd
* Automatically fix rpaths for packages on macOS
* Only change library IDs when the path is already in the rpath
This restores the hardcoded library path for GCC.
* Delete nonexistent rpaths and add more testing
* Relocate: Allow @executable_path and @loader_path
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* downgrade_docutils_version
* invalid version
* Update requirements.txt
* Improve spelling and shorten the reference link
* Update spack.yaml
* update version requirement
* update version to maximum of 0.16
Co-authored-by: bernhardkaindl <43588962+bernhardkaindl@users.noreply.github.com>
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* Fix ruby dependent extensions.
* Added Kerilk as maintainer.
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This reverts commit fcac95b0654a84151ad51a9123f74e8cdfcf8d26.
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Currently Spack keeps track of the origin in the code of any
modification to the environment variables. This is very slow
and enabled unconditionally even in code paths where the
origin of the modification is never queried.
The only place where we inspect the origins of environment
modifications is before we start a build, If there's an override
of the type `e.set(...)` after incremental changes like
`e.append_path(..)`, which is a "suspicious" change.
This is very rare though.
If an override like this ever happens, it might mean a package is
broken. If that leads to build errors, we can just ask the user to run
`spack -d install ...` and check the warnings issued by Spack to find
the origins of the problem.
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It can be frustrating to successfully run `spack test run --alias <name>` only to find you cannot get the results because you already use `<name>` in some previous stand-alone test execution. This PR prevents that from happening.
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fixes #26718
A virtual package may or may not have a version, but it
never has more than one. Previously we were missing a rule
for that.
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context manager (#26700)
Using the Spec.constrain method doesn't work since it might
trigger a repository lookup which could break our directives
and triggers a circular import error.
To fix that we introduce a function to merge abstract anonymous
specs, based only on package names, which does not perform any
lookup in the repository.
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Running `lsb_release` on Linux takes about 50ms because it is written in
Python. We do not use the output, so this change makes use not call it.
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The buildcache is now extracted in a temporary folder within the current store,
moved to its final place and relocated.
"spack clean -s" has been extended to also clean the temporary extraction directory.
Add hardlinks with absolute paths for libraries in the corge, garply and quux packages
to detect incorrect handling of hardlinks in tests.
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The `find` command was missing for the examples forcing colorized output. Without this (or another suitable) command, spack produces output that is not using any color. Thus, without the `find` command one does not see any difference between forced colorized and non-colorized output.
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* Make python 2 use 'from __future__ import absolute_import' to allow import spack.pkgkit
* Add Spack
* Improve ranges
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when deployed on kubernetes, the server sends back permanent redirect responses.
This is elegantly handled by the requests library, but not urllib that we have
to use here, so I have to manually handle it by parsing the exception to
get the Location header, and then retrying the request there.
Signed-off-by: vsoch <vsoch@users.noreply.github.com>
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for root (#26677)
The ASP-based solver maximizes the number of values in multi-valued
variants (if other higher order constraints are met), to avoid cases
where only a subset of the values that have been specified on the
command line or imposed by another constraint are selected.
Here we swap the priority of this optimization target with the
selection of the default providers, to avoid unexpected results
like the one in #26598
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Seems like https://bugs.python.org/issue29699 is relevant. Better to
just ignore errors when removing them tmpdir. The OS will remove it
anyways.
Errors are happening randomly from tests that are using this fixture.
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TL;DR: there are matching groups trying to match 1 or more occurrences of
something. We don't use the matching group. Therefore it's sufficient to test
for 1 occurrence. This reduce quadratic complexity to linear time.
---
When parsing logs of an mpich build, I'm getting a 4 minute (!!) wait
with 16 threads for regexes to run:
```
In [1]: %time p.parse("mpich.log")
Wall time: 4min 14s
```
That's really unacceptably slow...
After some digging, it seems a few regexes tend to have `O(n^2)` scaling
where `n` is the string / log line length. I don't think they *necessarily*
should scale like that, but it seems that way. The common pattern is this
```
([^:]+): error
```
which matches `: error` literally, and then one or more non-colons before that. So
for a log line like this:
```
abcdefghijklmnopqrstuvwxyz: error etc etc
```
Any of these are potential group matches when using `search` in Python:
```
abcdefghijklmnopqrstuvwxyz
bcdefghijklmnopqrstuvwxyz
cdefghijklmnopqrstuvwxyz
⋮
yz
z
```
but clearly the capture group should return the longest match.
My hypothesis is that Python has a very bad implementation of `search`
that somehow considers all of these, even though it can be implemented
in linear time by scanning for `: error` first, and then greedily expanding
the longest possible `[^:]+` match to the left. If Python indeed considers
all possible matches, then with `n` matches of length `1 .. n` you
see the `O(n^2)` slowness (i verified this by replacing + with {1,k}
and doubling `k`, it doubles the execution time indeed).
This PR fixes this by removing the `+`, so effectively changing the
O(n^2) into a O(n) worst case.
The reason we are fine with dropping `+` is that we don't use the
capture group anywhere, so, we just ensure `:: error` is not a match
but `x: error` is.
After going from O(n^2) to O(n), the 15MB mpich build log is parsed
in `1.288s`, so about 200x faster.
Just to be sure I've also updated `^CMake Error.*:` to `^CMake Error`,
so that it does not match with all the possible `:`'s in the line.
Another option is to use `.*?` there to make it quit scanning as soon as
possible, but what line that starts with `CMake Error` that does not have
a colon is really a false positive...
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Installing packages with a lot of dependencies does not have an easy way
of judging the current progress (apart from running `spack spec -I pkg`
in another terminal). This change allows Spack to update the terminal's
title with status information, including its current progress as well as
information about the current and total number of packages.
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- Do not store the full list of environment variables in
<prefix>/.spack/spack-build-env.txt because it may contain user secrets.
- Only store environment variable modifications upon installation.
- Variables like PATH may still contain user and system paths to make
spack-build-env.txt sourceable. Variables containing paths are
modified through prepending/appending, and if we don't apply these
to the current environment variable, we end up with statements like
`export PATH=/path/to/spack/bin` with system paths missing, meaning
no system binaries are in the path, which is a bad user experience.
- Do write the full environment to spack-build-env.txt in the staging dir,
but ensure it is readonly for the current user, to make it a bit safer
on shared systems.
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Creates an environment in a temporary directory and activates it, which
is useful for a quick ephemeral environment:
```
$ spack env activate -p --temp
[spack-1a203lyg] $ spack add zlib
==> Adding zlib to environment /tmp/spack-1a203lyg
==> Updating view at /tmp/spack-1a203lyg/.spack-env/view
```
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The DB should be what is trusted for certain operations.
If it is not present when read we should assume the
corresponding store is empty, rather than trying a
write operation during a read.
* Add a unit test
* Document what needs to be there in tests
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* Fix issues with leaky binary index across tests
* More rigorous binary_index reset as now other tests are failing :(
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Co-authored-by: Daniel Travieso <daniel@dgtravieso.com>
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When a symlink to a license file exists but is broken, the license symlink post-install hook fails
because os.path.exists() checks the existence of the target not the symlink itself.
os.path.lexists() is the proper function to use.
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Retry rebuild-index, cleanup, and no-op jobs automatically if they fail
due to infrastructure-related problems.
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Environments push/pop scopes upon activation. If some lazily
evaluated value depending on the current configuration was
computed and cached before the scopes are pushed / popped
there will be an inconsistency in the current state.
This PR fixes the issue for stores, but it would be better
to move away from global state.
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The `spack.architecture` module contains an `Arch` class that is very similar to `spack.spec.ArchSpec` but points to platform, operating system and target objects rather than "names". There's a TODO in the class since 2016:
https://github.com/spack/spack/blob/abb0f6e27c45758c37fd45d663214b86413fb4f6/lib/spack/spack/architecture.py#L70-L75
and this PR basically addresses that. Since there are just a few places where the `Arch` class was used, here we query the relevant platform objects where they are needed directly from `spack.platforms`. This permits to clean the code from vestigial logic.
Modifications:
- [x] Remove the `spack.architecture` module and replace its use by `spack.platforms`
- [x] Remove unneeded tests
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* Use gnuconfig package for config file replacement for RISC-V.
This extends the changes in #26035 to handle RISC-V. Before this change,
many packages fail to configure on riscv64 due to config.guess being too
old to know about RISC-V. This is seen out of the box when clingo fails
to build from source due to pkgconfig failing to configure, throwing
error: "configure: error: cannot guess build type; you must specify one".
* Add riscv64 architecture
* Update vendored archspec from upstream project.
These archspec updates include changes needed to support riscv64.
* Update archspec's __init__.py to reflect the commit hash of archspec being used.
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Cherry-picked from #25564 so this is standalone.
With this PR we can activate an environment in Spack itself, without computing changes to environment variables only necessary for "shell aware" env activation.
1. Activating an environment:
```python
spack.environment.activate(Environment(xyz)) -> None
```
this basically just sets `_active_environment` and modifies some config scopes.
2. Activating an environment **and** getting environment variable modifications for the shell:
```python
spack.environment.shell.activate(Environment(xyz)) -> EnvironmentModifications
```
This should make it easier/faster to do unit tests and scripting with spack, without the cli interface.
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