makeShell: make help message extensible
Users can now override help and print more help messages alongside `nixBitcoinHelp`.
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@ -22,7 +22,7 @@ pkgs.stdenv.mkDerivation {
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# 2. the shell is interactive
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if [[ -t 1 && $- == *i* ]]; then isInteractive=1; else isInteractive=; fi
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help() {
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nixBitcoinHelp() {
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echo "nix-bitcoin path: ${toString ../.}"
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echo
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echo "Available commands"
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@ -46,6 +46,7 @@ pkgs.stdenv.mkDerivation {
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echo "update-nix-bitcoin"
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echo " Fetch and use the latest version of nix-bitcoin"
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}
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help() { nixBitcoinHelp; }
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h() { help; }
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fetch-release() {
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