exec: pinact -- run --update - #50
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📝 WalkthroughWalkthroughGitHub Actions references in the validation and CI workflows now use pinned commit SHAs or updated ChangesGitHub Actions reference updates
Estimated code review effort: 1 (Trivial) | ~3 minutes 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 2
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In @.github/workflows/workflow.yml:
- Line 104: Pin every DeterminateSystems/flakehub-cache-action reference in
workflow.yml at lines 104-104 and 136-136, plus the listed third occurrence at
line 173, by replacing `@main` with the same full, verified commit SHA.
- Around line 100-105: Update both actions/checkout steps in
.github/workflows/workflow.yml at lines 100-105 and 130-137 to set
persist-credentials to false. Apply the same checkout configuration in both jobs
so subsequent Nix and flake steps cannot reuse the checkout token.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro
Run ID: 4e20e6a1-0a72-4dcf-b7d9-0f6f7d5754b7
📒 Files selected for processing (2)
.github/workflows/validate.yml.github/workflows/workflow.yml
| - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 | ||
| # disabled pending strategy discussion on exposing tunables | ||
| # - uses: Determinatesystems/flake-checker-action@main | ||
| - uses: DeterminateSystems/determinate-nix-action@v3 | ||
| - uses: DeterminateSystems/determinate-nix-action@61cbfe2efc2d4e7a8a6d56967c3c1058e846c858 # v3.21.9 | ||
| - uses: DeterminateSystems/flakehub-cache-action@main | ||
| - uses: webfactory/ssh-agent@v0.9.0 | ||
| - uses: webfactory/ssh-agent@e83874834305fe9a4a2997156cb26c5de65a8555 # v0.10.0 |
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🔒 Security & Privacy | 🟠 Major | ⚡ Quick win
🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
set -euo pipefail
# Locate the workflow and print the relevant sections with line numbers.
nl -ba .github/workflows/workflow.yml | sed -n '1,220p'Repository: DeterminateSystems/ci
Length of output: 199
🏁 Script executed:
#!/bin/bash
set -euo pipefail
# Show where checkout is used and any credential-related flags in the workflow.
rg -n "actions/checkout|persist-credentials|ssh-agent|flakehub-cache-action|determinate-nix-action|nix|flake" .github/workflows/workflow.ymlRepository: DeterminateSystems/ci
Length of output: 3767
🏁 Script executed:
#!/bin/bash
set -euo pipefail
awk 'NR>=90 && NR<=150 { printf "%4d: %s\n", NR, $0 }' .github/workflows/workflow.ymlRepository: DeterminateSystems/ci
Length of output: 2850
🌐 Web query:
GitHub Actions checkout persist-credentials default token persisted credentials repository-controlled code access
💡 Result:
The persist-credentials input in the GitHub Actions actions/checkout action controls whether the credentials used to clone the repository (typically the GITHUB_TOKEN or a configured SSH key) are configured in the local Git configuration for the duration of the job [1][2][3]. When persist-credentials is set to true (which is the default in earlier versions of the action [1][4][5]), the credentials are made available to subsequent steps in the job, allowing them to perform authenticated Git operations (such as git push or git fetch) without manually managing authentication [1][3]. Security considerations and recent changes include: - Security Concern: Historically, the default behavior of persist-credentials: true has been a point of security debate [6][7]. Because the credentials are stored in the local Git environment, any subsequent step in the same job can potentially access and use the token, which could be exploited if a malicious or compromised action is executed within the workflow [6][7]. - Credential Isolation: In more recent versions (e.g., v6.0.0 and later), the action was updated to store these credentials in a separate, more restricted location under $RUNNER_TEMP instead of the standard .git/config file [1][2][3]. This change helps mitigate the risk of the credentials being leaked accidentally (for example, through artifact publishing) [2][6]. - Default Value Status: While there have been ongoing efforts and pull requests to change the default value to false to improve security posture [8][6], users should consult the latest documentation or action.yml for their specific version of actions/checkout to confirm the current default [1][4]. It is considered a security best practice to set persist-credentials: false unless the job explicitly requires authenticated Git access for subsequent steps [1][3][7].
Citations:
- 1: https://github.com/actions/checkout/tree/v6.0.2?tab=readme-ov-file
- 2: https://github.com/actions/checkout/tree/v6.0.0
- 3: https://github.com/marketplace/actions/checkout
- 4: https://github.com/actions/checkout/blob/72f2cec99f417b1a1c5e2e88945068983b7965f9/action.yml
- 5: https://github.com/actions/checkout/blob/34e114876b0b11c390a56381ad16ebd13914f8d5/action.yml
- 6: [security] Escalate concerning default
persist-credentials=trueplease actions/checkout#2312 - 7: Remove
persist-credentialsor change the default tofalseactions/checkout#485 - 8: Change the default value of persist-credentials to false actions/checkout#1687
Disable persisted checkout credentials in both jobs. actions/checkout still leaves the job token available to later steps by default; add persist-credentials: false to both checkout steps so the Nix/flake commands can’t reuse it.
🧰 Tools
🪛 zizmor (1.28.0)
[warning] 100-102: credential persistence through GitHub Actions artifacts (artipacked): does not set persist-credentials: false
(artipacked)
📍 Affects 1 file
.github/workflows/workflow.yml#L100-L105(this comment).github/workflows/workflow.yml#L130-L137
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In @.github/workflows/workflow.yml around lines 100 - 105, Update both
actions/checkout steps in .github/workflows/workflow.yml at lines 100-105 and
130-137 to set persist-credentials to false. Apply the same checkout
configuration in both jobs so subsequent Nix and flake steps cannot reuse the
checkout token.
Source: Linters/SAST tools
| # - uses: Determinatesystems/flake-checker-action@main | ||
| - uses: DeterminateSystems/determinate-nix-action@v3 | ||
| - uses: DeterminateSystems/determinate-nix-action@61cbfe2efc2d4e7a8a6d56967c3c1058e846c858 # v3.21.9 | ||
| - uses: DeterminateSystems/flakehub-cache-action@main |
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🔒 Security & Privacy | 🟠 Major | ⚡ Quick win
🧩 Analysis chain
🏁 Script executed:
set -euo pipefail
# Show the relevant workflow sections with line numbers
sed -n '90,150p' .github/workflows/workflow.yml | cat -n
# Look for all uses of the cache action in the workflow
rg -n "DetermininateSystems/flakehub-cache-action|flakehub-cache-action@" .github/workflows/workflow.yml || trueRepository: DeterminateSystems/ci
Length of output: 3103
🏁 Script executed:
set -euo pipefail
sed -n '98,142p' .github/workflows/workflow.yml | nl -ba -v 98
rg -n "DeterminateSystems/flakehub-cache-action@" .github/workflows/workflow.yml || trueRepository: DeterminateSystems/ci
Length of output: 199
🏁 Script executed:
set -euo pipefail
python3 - <<'PY'
from pathlib import Path
p = Path('.github/workflows/workflow.yml')
text = p.read_text()
for i, line in enumerate(text.splitlines(), 1):
if 'DeterminateSystems/flakehub-cache-action@' in line:
print(f"{i}: {line}")
PYRepository: DeterminateSystems/ci
Length of output: 354
Pin the remaining DeterminateSystems/flakehub-cache-action uses.
.github/workflows/workflow.yml#L104.github/workflows/workflow.yml#L136.github/workflows/workflow.yml#L173
Replace each @main reference with a full commit SHA.
📍 Affects 1 file
.github/workflows/workflow.yml#L104-L104(this comment).github/workflows/workflow.yml#L136-L136
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In @.github/workflows/workflow.yml at line 104, Pin every
DeterminateSystems/flakehub-cache-action reference in workflow.yml at lines
104-104 and 136-136, plus the listed third occurrence at line 173, by replacing
`@main` with the same full, verified commit SHA.
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There was a problem hiding this comment.
Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In @.github/workflows/workflow.yml:
- Line 103: Update every DeterminateSystems/determinate-nix-action reference in
the workflow, including the uses at the locations corresponding to lines 103,
131, and 171, replacing the mutable `@main` tag with the appropriate full commit
SHA. Keep each existing version comment aligned with its pinned SHA.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro
Run ID: 3a9f592c-3549-4645-a917-60517718cac3
📒 Files selected for processing (2)
.github/workflows/validate.yml.github/workflows/workflow.yml
| # disabled pending strategy discussion on exposing tunables | ||
| # - uses: Determinatesystems/flake-checker-action@main | ||
| - uses: DeterminateSystems/determinate-nix-action@v3 | ||
| - uses: DeterminateSystems/determinate-nix-action@main |
There was a problem hiding this comment.
🔒 Security & Privacy | 🟠 Major | ⚡ Quick win
🧩 Analysis chain
🏁 Script executed:
#!/usr/bin/env bash
set -euo pipefail
if rg -n 'DeterminateSystems/determinate-nix-action@(main|master|v[0-9])' \
.github/workflows/workflow.yml; then
echo "Mutable determinate-nix-action reference remains" >&2
exit 1
fiRepository: DeterminateSystems/ci
Length of output: 403
Pin all DeterminateSystems/determinate-nix-action uses in .github/workflows/workflow.yml — the @main references at lines 103, 131, and 171 are still mutable; replace them with full commit SHAs and keep the version comments aligned.
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In @.github/workflows/workflow.yml at line 103, Update every
DeterminateSystems/determinate-nix-action reference in the workflow, including
the uses at the locations corresponding to lines 103, 131, and 171, replacing
the mutable `@main` tag with the appropriate full commit SHA. Keep each existing
version comment aligned with its pinned SHA.
2c8631e to
08e008c
Compare
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