mirror of
https://github.com/itzg/docker-minecraft-server
synced 2024-12-14 22:32:28 +00:00
169 lines
2.8 KiB
Bash
169 lines
2.8 KiB
Bash
#!/bin/bash
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function join_by() {
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local d=$1
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shift
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echo -n "$1"
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shift
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printf "%s" "${@/#/$d}"
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}
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function isURL() {
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local value=$1
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if [[ ${value:0:8} == "https://" || ${value:0:7} == "http://" ]]; then
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return 0
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else
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return 1
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fi
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}
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function isValidFileURL() {
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suffix=${1:?Missing required suffix arg}
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url=${2:?Missing required url arg}
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[[ "$url" == http*://*.${suffix} || "$url" == http*://*.${suffix}\?* ]]
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}
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function resolveEffectiveUrl() {
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url="${1:?Missing required url argument}"
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if ! curl -Ls -o /dev/null -w %{url_effective} "$url"; then
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log "ERROR failed to resolve effective URL from $url"
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exit 2
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fi
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}
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function getFilenameFromUrl() {
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url="${1:?Missing required url argument}"
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strippedOfQuery="${url%\?*}"
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basename "$strippedOfQuery"
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}
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function isTrue() {
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local value=${1,,}
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result=
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case ${value} in
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true | on)
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result=0
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;;
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*)
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result=1
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;;
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esac
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return ${result}
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}
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function isDebugging() {
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if [[ -v DEBUG ]] && [[ ${DEBUG^^} == TRUE ]]; then
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return 0
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else
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return 1
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fi
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}
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function debug() {
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if isDebugging; then
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log "DEBUG: $*"
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fi
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}
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function logn() {
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echo -n "[init] $*"
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}
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function log() {
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echo "[init] $*"
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}
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function logAutopause() {
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echo "[Autopause loop] $*"
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}
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function logAutopauseAction() {
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echo "[$(date -Iseconds)] [Autopause] $*"
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}
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function normalizeMemSize() {
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local scale=1
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case ${1,,} in
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*k)
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scale=1024
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;;
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*m)
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scale=1048576
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;;
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*g)
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scale=1073741824
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;;
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esac
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val=${1:0:-1}
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echo $((val * scale))
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}
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function versionLessThan() {
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local activeParts
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IFS=. read -ra activeParts <<<"${VANILLA_VERSION}"
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local givenParts
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IFS=. read -ra givenParts <<<"$1"
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if ((${#activeParts[@]} < 2)); then
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return 1
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fi
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if ((${#activeParts[@]} == 2)); then
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if ((activeParts[0] < givenParts[0])) ||
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((activeParts[0] == givenParts[0] && activeParts[1] < givenParts[1])); then
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return 0
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else
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return 1
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fi
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else
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if ((activeParts[0] < givenParts[0])) ||
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((activeParts[0] == givenParts[0] && activeParts[1] < givenParts[1])) ||
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((activeParts[0] == givenParts[0] && activeParts[1] == givenParts[1] && activeParts[2] < givenParts[2])); then
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return 0
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else
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return 1
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fi
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fi
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}
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requireVar() {
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if [ ! -v $1 ]; then
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log "ERROR: $1 is required to be set"
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exit 1
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fi
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if [ -z "${!1}" ]; then
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log "ERROR: $1 is required to be set"
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exit 1
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fi
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}
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requireEnum() {
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var=${1?}
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shift
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for allowed in $*; do
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if [[ ${!var} = $allowed ]]; then
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return 0
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fi
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done
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log "ERROR: $var must be set to one of $@"
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# exit 1
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}
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function writeEula() {
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if ! echo "# Generated via Docker
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# $(date)
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eula=${EULA,,}
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" >/data/eula.txt; then
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log "ERROR: unable to write eula to /data. Please make sure attached directory is writable by uid=${UID}"
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exit 2
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fi
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}
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