MCDL

Automatically download minecraft server jars in one line (or one click)

Installation

Download (Windows, Linux)
Install via cargo: cargo install mcdl

Examples

mcdl - download latest server as server.jar
mcdl -s - download latest snapshot jar
mcdl -sp - print latest snapshot version
mcdl -n - download latest server as server-1.17.1.jar
mcdl -n 1.16.5 - download 1.16.5 as server-1.16.5.jar

Windows

To create shortcuts that will automatically download the latest snapshot:

Right click on mcdl.exe and click "Create Shortcut"
Right click on the newly created shortcut and click "Properties"
In the "Target" text area, add "-s" to the end

You can replace the "-s" in step 3 with any of the other flags from the examples above or the usage below

Usage

USAGE:
    mcdl.exe [FLAGS] [OPTIONS] [--] [VERSION]...

FLAGS:
    -h, --help        Prints help information
    -i, --insecure    Don't check the sha1 for the file
    -l, --latest      Use latest version, snapshot or not
    -n, --named       Use the version as the file name
    -p, --print       Print the version instead of downloading it
    -q, --quiet       Don't print any unnecessary output
    -s, --snapshot    Use the latest snapshot
    -V, --version     Prints version information

OPTIONS:
    -r, --rename 
   
    ...    Provide a file name (.jar) is appended

ARGS:
    
    
     ...    Get a specific version

Why?

I thought it would be fun to write in Rust. If you wanted a single line of bash to do it, use one of these (requires jq, curl, and wget):

Download latest available (snapshot or release) minecraft server.jar

curl -s $(curl -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | jq -r ".versions[0].url") | jq -r ".downloads.server.url" | xargs wget

Download latest release minecraft server.jar

curl -s $(curl -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | jq -r ".latest.release as \$v | .versions[] | select(.id == \$v) | .url") | jq -r ".downloads.server.url" | xargs wget

Download latest snapshot minecraft server.jar

curl -s $(curl -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | jq -r ".latest.snapshot as \$v | .versions[] | select(.id == \$v) | .url") | jq -r ".downloads.server.url" | xargs wget

Example Scripts

(Windows) Automatically install latest snapshot, then start minecraft server

@echo OFF
@REM if a version file exists, check if it's the latest, otherwise download the server
if exist version.txt (
  goto checkVersion
) else (
  goto download
)

:checkVersion
@REM compare latest version with the one that is installed
mcdl.exe -sp > temp.version.txt
fc /b temp.version.txt version.txt > nul
if errorlevel 1 (
  @REM on different version - install the game
  mcdl.exe -s
  move /y temp.version.txt version.txt > nul
) else (
  @REM on same version delete the temp file
  del temp.version.txt > nul
)
goto server

@REM download the game and update the version
:download
mcdl.exe -s
mcdl.exe -sp > version.txt

@REM start the server
:server
java -Xmx4G -Xms2G -jar server.jar nogui

timeout /t 5
goto server
pause

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