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25 lines
398 B
Bash
25 lines
398 B
Bash
#!/usr/bin/env bash
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set -euo 'pipefail'
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ERROR_GENERIC=1
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ERROR_REQUIRED_TOOL_MISSING=2
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pre_flight() {
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REQUIRED_TOOLS=(
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'xargs'
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'…'
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)
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for TOOL in ${REQUIRED_TOOLS[@]}
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do
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if ! ( which "$TOOL" > '/dev/null' )
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then
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echo -e "missing required tool: $TOOL" >&2
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exit $ERROR_REQUIRED_TOOL_MISSING
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fi
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done
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}
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pre_flight
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# …
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