fix: configurable install dir for relacs - #107
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Included review availability: Your plan provides up to 12 included reviews per hour; 8 remain after this review. 📝 SummarySummary by CodeRabbit
WalkthroughThe Relacs action replaces separate binary-name and installation-directory inputs with one complete ChangesRelacs installation path
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to The configurable Relacs installation-path change has no identified merge-blocking risk in the supplied review evidence and is ready to merge with normal checks. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 3
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Inline comments:
In `@release/install-relacs/action.yml`:
- Line 60: Update the installer download URL in the action’s install-relacs flow
to replace the mutable tm/install-relacs-improvement ref with the full reviewed
commit SHA, while preserving the existing installer path and execution behavior.
- Line 68: Add the explicit id install-relacs to the step invoking the Relacs
installation so the existing steps.install-relacs.outcome condition resolves and
successful cache misses save the binary.
- Line 8: Update the action’s binary_dir handling so its input default is empty,
then resolve $HOME/.local/bin in the Bash setup step and reuse that step output
for BINARY_DIR and both cache paths instead of the literal ${HOME} value. Update
the corresponding usage documentation in README.md.
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Inline comments:
In `@release/install-relacs/action.yml`:
- Around line 20-27: Update the binary-dir resolution step so the input default
is empty, then assign BINARY_DIR to "${HOME}/.local/bin" when no input is
provided before writing the path output; preserve explicitly supplied input
directories unchanged.
- Line 78: Update the GitHub Actions step that writes
steps.binary-dir.outputs.path to GITHUB_PATH to pass the value through an env
variable such as BINARY_DIR, then emit it with printf '%s\n' using quoted
variable expansion; avoid direct expression interpolation in the shell command.
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- release/install-relacs/README.md
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| BINARY_DIR="${BINARY_DIR//\$\{HOME\}/$HOME}" | ||
| BINARY_DIR="${BINARY_DIR//\$HOME/$HOME}" |
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What's this? Expanding $HOME variable if it's mentioned in $BINARY_DIR?
It wouldn't work correctly with binary_dir: $HOME_SWEET_HOME/my/relacs, but that's an edge case. Or maybe not.
If you think we need this as a feature, I suggest to add this to a description of binary_dir input. When you do so, please mention that only the expansion of $HOME is supported, not other environment variables.
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I think it's a reasonable feature & I added it to the input doc.
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How to deal with binary_dir: $HOME_SWEET_HOME/my/relacs? By bash rules $HOME_SWEET_HOME is a single variable. The current logic seems to be such that it would substitute $HOME part once found making it /home/runner_SWEET_HOME. Not what the user intended.
It's a bug anyway according to the action's current definition to try to provide anything but $HOME or ${HOME} but the current behavior will actually result in /home/runner_SWEET_HOME/my/relacs/relacs being created IIUC.
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Please see updated code with sed replacements.
Verified only $HOME and ${HOME} are replaced, not $HOME_SWEET_HOME in https://github.com/tommartensen/test-gh-actions/actions/runs/34489103591/job/102910871969
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Renames the action input parameter and related identifiers to be more specific to relacs installation. Also improves the parameter description to document the default value. Changes: - Input parameter: binary_dir → relacs_install_dir - Step ID: binary-dir → relacs-install-dir - Environment variable: BINARY_DIR → RELACS_INSTALL_DIR - Updated description to include default value - Updated README documentation Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
| BINARY_DIR="${BINARY_DIR//\$\{HOME\}/$HOME}" | ||
| BINARY_DIR="${BINARY_DIR//\$HOME/$HOME}" |
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How to deal with binary_dir: $HOME_SWEET_HOME/my/relacs? By bash rules $HOME_SWEET_HOME is a single variable. The current logic seems to be such that it would substitute $HOME part once found making it /home/runner_SWEET_HOME. Not what the user intended.
It's a bug anyway according to the action's current definition to try to provide anything but $HOME or ${HOME} but the current behavior will actually result in /home/runner_SWEET_HOME/my/relacs/relacs being created IIUC.
msugakov
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msugakov
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Looks good already. One suggestion and one clarification.
| -e "s|\${HOME}/|$HOME/|g" \ | ||
| -e "s|\${HOME}\$|$HOME|g" \ | ||
| -e "s|\$HOME/|$HOME/|g" \ | ||
| -e "s|\$HOME\$|$HOME|g")" |
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Hm. Is it a real syntax $HOME$/blah and ${HOME}$/blah?
I know it's annoying but we should try make it right.
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The $SOMETHING\$ in double quotes is interpreted to $SOMETHING$ in the sed expression, where the last $ is the end-of-line character.
$HOME$/blah would not be matched (and not be expanded), it's not a valid path.
Added a comment explaining the \$ intention.
Details
#!/bin/bash
echo "=== Demonstrating the sed pattern behavior ==="
echo ""
echo "Pattern: \"s|\$HOME\$|EXPANDED|g\" (in double quotes)"
echo ""
echo "Test 1: '\$HOME' (at end of string)"
echo '$HOME' | sed -e "s|\$HOME\$|EXPANDED|g"
echo ""
echo "Test 2: '\$HOME/bin' (followed by slash)"
echo '$HOME/bin' | sed -e "s|\$HOME\$|EXPANDED|g"
echo " (no match - not at end of line)"
echo ""
echo "Test 3: '\$HOME\$' (literal dollar sign)"
echo '$HOME$' | sed -e "s|\$HOME\$|EXPANDED|g"
echo " (no match - the \$ in pattern is end-of-line anchor, not literal $)"
echo ""
echo "=== Conclusion ==="
echo "The pattern \$HOME\$ in double quotes correctly matches:"
echo " - \$HOME at the END of the string"
echo " - NOT a literal \$HOME\$ with two dollar signs"
echo ""
echo "This is exactly what we want to:"
echo " 1. Expand '\$HOME' by itself"
echo " 2. Expand '\$HOME/some/path'"
echo " 3. NOT expand '\$HOME_SWEET_HOME' (different variable)"
- $HOME → expands ✅
- ${HOME} → expands ✅
- $HOME/bin → expands ✅
- ${HOME}/bin → expands ✅
- $HOME_SWEET_HOME/bin → does NOT expand ✅ (this is correct!)
- $HOME$/blah → does NOT expand ✅ (this is intended!)
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Sorry, I skipped Details in your reply because they strongly smell AI.
I get your idea is to prevent $HOME_SWEET_HOME by making sure that $HOME or ${HOME} is followed by a / slash or end of line. I doubt that the latter is valid case for $RELACS_INSTALL_PATH, but it's going to be the user's fault to set it to plain $HOME.
What blows my mind is that the last $ in $SOMETHING$ sed expression acts as the end-of-line match but the first $ does not. This absence of sed expression-level escaping for the first $ is quite confusing when just looking at this code.
Did you evaluate printf '%s' "$RELACS_INSTALL_PATH" | envsubst '$HOME' as the alternative to the approach with sed and why is it not good?
Co-authored-by: Misha Sugakov <537715+msugakov@users.noreply.github.com>
2 participants
Triggered by https://github.com/stackrox/test-gh-actions/pull/285#discussion_r3902346504
Pre-merge TODO: