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Last active November 2, 2017 18:33
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foo.nix
# Put the following lines at line 96 of
# https://github.com/tumblr/jetpants/blob/master/testing/packages/mysql-container/service.nix#L96:
environment.etc."my.cnf".source = let
startLine = config.systemd.services.mysql.serviceConfig.ExecStart;
cnfArgument = builtins.elemAt (lib.splitString " " startLine) 1;
filename = lib.removePrefix "--defaults-extra-file=" cnfArgument;
in filename;
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