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tools/claude: use custom wrapper instead of preHook
Switches from preHook to custom wrapper to properly configure MCP servers
using the claude binary path before execution
author
lassulus
date
(Jun 30, 2025, 3:31 PM CEST)
commit
d4531ce7
d4531ce799604c712ba881e7b9895a4c52b35f32
parent
eb788fb3
eb788fb361f662d08e60171c1adb5ba429f5102e
+20
-15
+20
-15
tools/claude/flake-module.nix
+20
-15
tools/claude/flake-module.nix
···
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in
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{
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packages.claude = self.libWithPkgs.${system}.makeWrapper (self.lib.halalify pkgs.claude-code) {
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-
preHook = ''
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# Configure MCP servers using Claude CLI
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if claude mcp add git-mcp "${gitMcpPath}" 2>/dev/null && \
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claude mcp add tmux-mcp "${tmuxMcpPath}" 2>/dev/null; then
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echo "MCP servers configured successfully" >&2
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else
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echo "Warning: Could not configure MCP servers" >&2
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fi
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wrapper =
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{ exePath, ... }:
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''
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set -efu
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set -x
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# Configure MCP servers using Claude CLI
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if ${exePath} mcp add git-mcp "${gitMcpPath}" 2>/dev/null && \
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${exePath} mcp add tmux-mcp "${tmuxMcpPath}" 2>/dev/null; then
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echo "MCP servers configured successfully" >&2
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else
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echo "Warning: Could not configure MCP servers" >&2
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fi
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# Set up CLAUDE.md if it doesn't exist
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CLAUDE_MD_DIR="''${CLAUDE_MD_DIR:-$HOME/.claude}"
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mkdir -p "$CLAUDE_MD_DIR"
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if [[ ! -f "$CLAUDE_MD_DIR/CLAUDE.md" ]]; then
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cp ${claudeMd} "$CLAUDE_MD_DIR/CLAUDE.md"
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fi
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'';
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# Set up CLAUDE.md if it doesn't exist
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CLAUDE_MD_DIR="''${CLAUDE_MD_DIR:-$HOME/.claude}"
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mkdir -p "$CLAUDE_MD_DIR"
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if [[ ! -f "$CLAUDE_MD_DIR/CLAUDE.md" ]]; then
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cp ${claudeMd} "$CLAUDE_MD_DIR/CLAUDE.md"
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fi
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exec ${exePath} "$@"
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'';
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};
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};
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}