21 lines
523 B
Bash
21 lines
523 B
Bash
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#!/bin/bash
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# Fail on any error.
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set -e
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version=$1
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packages=${@:2}
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echo "* Creating cache key..."
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# Remove package delimiters, sort (requires newline) and then convert back to inline list.
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normalized_list=$(echo $packages | sed 's/[\s,]+/ /g' | tr ' ' '\n' | sort | tr '\n' ' ')
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echo "* Normalized package list is '$normalized_list'."
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value=$(echo $normalized_list @ $version)
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echo "* Value to hash is '$value'."
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key=$(echo $value | md5sum | /bin/cut -f1 -d' ')
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echo "* Value hashed as '$key'."
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echo "CACHE_KEY=$key"
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