12 lines
470 B
Bash
12 lines
470 B
Bash
#!/usr/bin/env bash
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# Derive a version code from strict semver MAJOR.MINOR.PATCH (each 0-999):
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# MAJOR*1000000 + MINOR*1000 + PATCH. Anything else exits 1.
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set -eu
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v="${1:-}"
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if [[ "$v" =~ ^([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$ ]]; then
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echo $(( 10#${BASH_REMATCH[1]} * 1000000 + 10#${BASH_REMATCH[2]} * 1000 + 10#${BASH_REMATCH[3]} ))
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else
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echo "error: version '$v' is not MAJOR.MINOR.PATCH with components < 1000; pass version-code explicitly" >&2
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exit 1
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fi
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