examples: improve shell session usability
- Add usage prompt when starting shell sessions - Give all examples an uniform interface ("c") for running commands or starting a shell on the node.
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@ -62,7 +62,13 @@ in {
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}
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}
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EOF
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EOF
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# Run command in container
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# Run command in container
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c() { sudo extra-container run demo-node -- "$@" | cat; }
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c() {
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if [[ $# > 0 ]]; then
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sudo extra-container run demo-node -- "$@" | cat;
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else
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sudo nixos-container root-login demo-node
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fi
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}
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echo
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echo
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echo "Bitcoind service:"
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echo "Bitcoind service:"
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@ -38,6 +38,7 @@ nixops deploy -d bitcoin-node
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# Connect to node
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# Connect to node
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nixops ssh bitcoin-node systemctl status bitcoind
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nixops ssh bitcoin-node systemctl status bitcoind
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c() { nixops ssh bitcoin-node "$@"; }
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# Uncomment to start a shell session here
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# Uncomment to start a shell session here
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# . start-bash-session.sh
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# . start-bash-session.sh
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@ -1,6 +1,15 @@
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# Start an interactive bash session in the current bash environment.
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# Start an interactive bash session in the current bash environment.
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USAGE_INFO='
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Starting shell...
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Run "c COMMAND" to execute a command on the bitcoin node
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Run "c" to start a shell session inside the node'
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# BASH_ENVIRONMENT contains definitions of read-only variables like 'BASHOPTS' that
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# BASH_ENVIRONMENT contains definitions of read-only variables like 'BASHOPTS' that
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# cause warnings on importing. Suppress these warnings during bash startup.
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# cause warnings on evaluation. Suppress these warnings while sourcing.
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BASH_ENVIRONMENT=<(declare -p; declare -pf) \
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BASH_ENVIRONMENT=<(declare -p; declare -pf) \
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bash --rcfile <(echo 'source $BASH_ENVIRONMENT 2>/dev/null')
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USAGE_INFO="$USAGE_INFO" \
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bash --rcfile <(echo '
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source $BASH_ENVIRONMENT 2>/dev/null
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echo "$USAGE_INFO"
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')
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