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[BE] add SHFMT linter to format shell scripts #157685

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@XuehaiPan XuehaiPan commented Jul 7, 2025 •
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🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/157685

Note: Links to docs will display an error until the docs builds have been completed.

❌ 4 New Failures, 2 Unrelated Failures

As of commit f3965ab with merge base 01f66d0 (image):

NEW FAILURES - The following jobs have failed:

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

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@pytorch-bot pytorch-bot bot added ciflow/inductor module: cpu CPU specific problem (e.g., perf, algorithm) module: dynamo release notes: quantization release notes category release notes: releng release notes category labels Jul 7, 2025
XuehaiPan added a commit that referenced this pull request Jul 7, 2025
@XuehaiPan
[BE] add SHFMT linter to format shell scripts
6921afd 
ghstack-source-id: 179cddd
Pull-Request: #157685
@facebook-github-bot facebook-github-bot added the module: rocm AMD GPU support for Pytorch label Jul 7, 2025
@XuehaiPan XuehaiPan requested review from malfet and atalman July 7, 2025 02:41
@XuehaiPan XuehaiPan added module: ci Related to continuous integration ciflow/binaries Trigger all binary build and upload jobs on the PR ciflow/trunk Trigger trunk jobs on your pull request module: devx Related to PyTorch contribution experience (HUD, pytorchbot) release notes: devx skip-pr-sanity-checks labels Jul 7, 2025
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XuehaiPan added a commit to XuehaiPan/pytorch that referenced this pull request Jul 7, 2025
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[BE] add SHFMT linter to format shell scripts
1e3b759 
ghstack-source-id: 8205ece
Pull-Request: pytorch#157685
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Do we have shellcheck enabled? If not, may be a less intrusive check to start with.

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Do we have shellcheck enabled?

No.

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XuehaiPan added a commit to XuehaiPan/pytorch that referenced this pull request Jul 8, 2025
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[BE] add SHFMT linter to format shell scripts
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ghstack-source-id: e9067f1
Pull-Request: pytorch#157685
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Do we have shellcheck enabled?

No.

I actually do believe we have shellcheck enabled, it's just over a smaller subset of things:

pytorch/.lintrunner.toml

Lines 886 to 905 in 86670b3

[[linter]]
code = 'SHELLCHECK'
include_patterns = [
'.ci/pytorch/**/*.sh'
]
exclude_patterns = [
'**/fb/**',
]
command = [
'python3',
'tools/linter/adapters/shellcheck_linter.py',
'--',
'@{{PATHSFILE}}',
]
init_command = [
'python3',
'tools/linter/adapters/pip_init.py',
'--dry-run={{DRYRUN}}',
'shellcheck-py==0.7.2.1',
]

What's the benefit here of shfmt over just enabling shellcheck everywhere else?

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I actually do believe we have shellcheck enabled, it's just over a smaller subset of things:

Thanks for the clarification.

What's the benefit here of shfmt over just enabling shellcheck everywhere else?

It's a formatter to standardize the style for shell scripts and prevent potential merge conflicts like PYFMT for Python code.

FYI, shellcheck --format=diff provides an autofix feature.

XuehaiPan added a commit to XuehaiPan/pytorch that referenced this pull request Jul 9, 2025
@XuehaiPan
[BE] add SHFMT linter to format shell scripts
76b4022 
ghstack-source-id: e9067f1
Pull-Request: pytorch#157685
@XuehaiPan
Update
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XuehaiPan added a commit to XuehaiPan/pytorch that referenced this pull request Jul 12, 2025
@XuehaiPan
[BE] add SHFMT linter to format shell scripts
312d2bf 
ghstack-source-id: 44f28ab
Pull-Request: pytorch#157685
@XuehaiPan
Update
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XuehaiPan added a commit to XuehaiPan/pytorch that referenced this pull request Jul 15, 2025
@XuehaiPan
[BE] add SHFMT linter to format shell scripts
6c2bc7c 
ghstack-source-id: 95f930a
Pull-Request: pytorch#157685
@XuehaiPan
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XuehaiPan added a commit to XuehaiPan/pytorch that referenced this pull request Jul 21, 2025
@XuehaiPan
[BE] add SHFMT linter to format shell scripts
5f88296 
ghstack-source-id: 7fe0193
Pull-Request: pytorch#157685
@XuehaiPan
Update
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XuehaiPan added a commit to XuehaiPan/pytorch that referenced this pull request Aug 10, 2025
@XuehaiPan
[BE] add SHFMT linter to format shell scripts
fc740db 
ghstack-source-id: 6547e7e
Pull-Request: pytorch#157685
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