71 lines
1.6 KiB
Bash
71 lines
1.6 KiB
Bash
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#!/usr/bin/env bash
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## Be Polite and ask for permission.
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function QandA() {
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read -r -p "Continue with $1 [y/N] " response
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response=${response,,} # tolower
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if [[ "$response" =~ ^(yes|y)$ ]]; then
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echo "Continuing with this."
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eval $1
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else
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echo "Skipping the $1."
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fi
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}
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## Check your $PATH for required dependencies.
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## Stop and complain for now, later automagically install them.
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function test_for_deps() {
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## Test for Command
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if ! [ -x "$(command -v $1)" ]; then
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echo "Error: $1 is not installed." >&2
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echo "You must have $1 installed."
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else
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echo "Info: $1 is installed."
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fi
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}
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## Declare Linux app dependencies to check for.
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DEPENDENCIES=(
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wget
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unzip
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docker
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)
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## Recommended.
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BONUS_DEPENDENCIES=(
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docker-compose
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)
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for i in "${!DEPENDENCIES[@]}"; do
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echo ${DEPENDENCIES[$i]}"_KEY"
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## Indirect references http://tldp.org/LDP/abs/html/ivr.html
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eval TESTDEP=\$"${DEPENDENCIES[$i]}"
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test_for_deps $TESTDEP
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done
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## Add ways to get into and out of a bind here.
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case i in
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* )
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echo "=================================================="
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echo "You look like you need usage examples let me help."
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echo "=================================================="
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echo "Add documentation on script params HERE"
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;;
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getdata )
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## Get DB Checkpoint data.
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wget http://chainquery-data.s3.amazonaws.com/data.zip ./chainquery.zip
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;;
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extract )
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## Unpack the data again if need be.
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unzip ./chainquery.zip
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;;
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cleanup )
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## Remove any junk here.
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rm chainquery.zip
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;;
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reset )
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## Give up on everything and try again.
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# rm -Rf ./data
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# rm -f ./chainquery.zip
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;;
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esac
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