Fix setup-hooks.sh: jq syntax error and preserve existing hooks #4
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This commit fixes two issues in the setup script: 1. **Fix jq syntax error**: Renamed the jq variable from `$end` to `$sessionend` because `end` is a reserved keyword in jq, causing the error: "syntax error, unexpected end, expecting IDENT" 2. **Preserve existing hooks**: Changed the script to append new hooks to existing hook arrays instead of replacing them entirely. This prevents the setup from deleting users' existing hook configurations. Before: `.hooks.UserPromptSubmit = [...]` (overwrites) After: `.hooks.UserPromptSubmit = (.hooks.UserPromptSubmit // []) + [...]` (appends) These changes allow the setup to work correctly on systems with existing Claude Code hook configurations.
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Summary
This PR fixes two critical issues in the
setup-hooks.shscript that prevented successful installation:1. Fix jq syntax error
Problem: The script failed with the error:
Cause: The variable name
$endconflicts with jq's reserved keywordend(used to terminate structures).Solution: Renamed the jq variable from
$endto$sessionend.2. Preserve existing hooks
Problem: The setup script completely overwrote the
.hooksconfiguration in~/.claude/settings.json, deleting any existing hooks users had configured.Solution: Changed the script to append new hooks to existing arrays instead of replacing them entirely.
Before:
This overwrites any existing UserPromptSubmit hooks.
After:
This appends to existing hooks, preserving user configuration.
Testing
Tested on a system with existing Claude Code hooks:
Impact
These changes allow the setup to work correctly on systems with existing Claude Code hook configurations, which is likely the common case for users installing claude-code-ui.