diff options
Diffstat (limited to 'minecraft')
| -rwxr-xr-x | minecraft | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/minecraft b/minecraft index 3d87bec21f95..5d27e917394d 100755 --- a/minecraft +++ b/minecraft @@ -1,7 +1,26 @@ #!/bin/sh -if [ -e "${HOME}/.minecraft/launcher.jar" ]; then +# Since launching the minecraft launch from the home directory bypass the update mechanism, I'm adding this +# small piece of code that will do a checksum of the versions.json file provided by mojang, if a new version +# of the game is out, I force a download of the launcher just to keep everyone up to date + +# those 2 can be overrided if you want +MC_VERSION_URL=${MC_VERSION_URL:-"https://launchermeta.mojang.com/mc/game/version_manifest.json"} +MC_SUM_FILE=${MC_SUM_FILE:-"${HOME}/.minecraft/versions.sum"} + +# compute sums +MC_VERSION_SUM=$( curl -s https://launchermeta.mojang.com/mc/game/version_manifest.json | sha256sum | cut -f 1 -d " " ) +MC_CURRENT_SUM=$( cat "$MC_SUM_FILE" 2>/dev/null ) + +if [ "$MC_VERSION_SUM" != "$MC_CURRENT_SUM" ]; then + export MC_FORCE_UPDATE=1 + echo "$MC_VERSION_SUM" > "$MC_SUM_FILE" +fi + +if [ -e "${HOME}/.minecraft/launcher.jar" ] && [ -z "$MC_FORCE_UPDATE" ]; then exec java -jar "${HOME}/.minecraft/launcher.jar" $@ else exec java -jar /usr/share/minecraft/Minecraft.jar $@ fi + +unset MC_FORCE_UPDATE
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