Add support for building minecraft modpacks
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commit
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6 changed files with 121 additions and 11 deletions
pkgs/minecraft
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@ -1,4 +1,5 @@
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{ lib, stdenv, fetchurl, jre_headless, runtimeShell }:
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{ lib, stdenv, fetchurl, busybox, coreutils, jre_headless, runtimeShell
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, mods ? null, config ? null, defaultconfigs ? null }:
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let
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name = "forge-server";
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@ -45,6 +46,35 @@ in stdenv.mkDerivation rec {
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#!${runtimeShell}
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set -eu
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# Delete any previous mods directory so that it can be updated
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${busybox}/bin/rm -fr mods
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${lib.optionalString (mods != null) ''
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# Copy the specified mods into the directory. Note that, sadly,
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# forge doesn't support symlinks here.
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${busybox}/bin/mkdir -p mods
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${busybox}/bin/cp -r '${mods}/mods/'*.jar mods
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''}
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# Delete any previous config directories so that they can be updated
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${busybox}/bin/rm -fr config defaultconfigs
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${lib.optionalString (config != null) ''
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# Copy the specified configs into the directory. Forge (and
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# mods) will try to write here, so we cannot symlink.
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${busybox}/bin/mkdir -p config
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${busybox}/bin/cp -r '${config}'/* config
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${busybox}/bin/chmod -R u+w config
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''}
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${lib.optionalString (defaultconfigs != null) ''
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# Copy the specified configs into the directory. Forge (and
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# mods) will try to write here, so we cannot symlink.
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${busybox}/bin/mkdir -p defaultconfigs
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${busybox}/bin/cp -r '${defaultconfigs}'/* defaultconfigs
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${busybox}/bin/chmod -R u+w defaultconfigs
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''}
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exec ${jre_headless}/bin/java \$@ -jar $out'/lib/forge/forge-${version}.jar' nogui
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EOF
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