status-react/nix/lib/sanitizeVersion.nix

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{ lib }:
version:
let
# paths don't like slashes in them
dropSlashes = builtins.replaceStrings [ "/" ] [ "_" ];
# if version doesn't match this it's probably a commit, it's lax semver
versionRegex = "^v?[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+[[:alnum:]+_.-]*$";
in
if (builtins.match versionRegex version) != null
# Geth forces a 'v' prefix for all versions
then lib.removePrefix "v" (dropSlashes version)
# reduce metrics cardinality in Prometheus
else lib.traceValFn (_: "WARNING: Marking build version as 'develop'!") "develop"