My nix-darwin and NixOS config
feat: conditional hook creation
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modules/common.nix
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modules/common.nix
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# Symlink tracked hooks into .git/hooks so they're always up to date.
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system.activationScripts.installGitHooks = ''
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REPO="/home/${cfg.user.username}/.config/nix-config"
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HOOK="$REPO/.git/hooks/pre-commit"
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TARGET="$REPO/hooks/pre-commit"
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if [ -d "$REPO/.git" ]; then
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ln -sf "$REPO/hooks/pre-commit" "$REPO/.git/hooks/pre-commit"
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chmod +x "$REPO/hooks/pre-commit"
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# Only (re)create the symlink if it's missing or points somewhere else.
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if [ "$(readlink "$HOOK" 2>/dev/null)" != "$TARGET" ]; then
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ln -sf "$TARGET" "$HOOK"
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chmod +x "$TARGET"
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fi
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fi
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'';
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