minecraft-mod-sync.sh

#!/bin/bash

# extra verbose
set -x

# sync mods from local host to remote host (e.g. a minecraft server)
# optionally delete extraneous files in the remote mods directory

# Go home to allow relative paths below, but remember current dir.
pushd ~

# local mods directory, do not escape spaces
LOCAL_MODS="Library/Application Support/minecraft/mods/"

# remote mods directory. DO escape spaces "like\ this"
REMOTE_MODS="minecraft-server/mods/"

# remote host name (or ssh_config entity name)
REMOTE_HOST="example.com"

# Set OPTS to "--delete-after" to delete extraneous files from the remote side
# Add "-n" for dry-run mode
# OPTS="--delete-after -n"
# OPTS="--delete-after"

# Setting this to empty string here to strongly encourage you to make sure you don't set
# --delete-after until you are *sure* you have the directories configured correctly.
# Specifying the wrong remote directory will have the side effect of deleting everything
# that isn't a minecraft mod from that directory, so don't get it wrong. On the other hand,
# deleting the old version of the mod is a required part of the workflow. Just be careful :)
OPTS=""

# --delete-after only works on directories (no globbing for contents)
rsync -avz ${OPTS} "${LOCAL_MODS}" $REMOTE_HOST:"${REMOTE_MODS}"

# as you were...
popd