summaryrefslogtreecommitdiff
path: root/get_version.sh
diff options
context:
space:
mode:
Diffstat (limited to 'get_version.sh')
-rwxr-xr-xget_version.sh52
1 files changed, 27 insertions, 25 deletions
diff --git a/get_version.sh b/get_version.sh
index c413459..1bcb2a4 100755
--- a/get_version.sh
+++ b/get_version.sh
@@ -1,8 +1,10 @@
#!/usr/bin/env sh
+JQ=${JQ:=jq}
+
# Check for packages
-JQ_VERSION=$(jq --version 2>/dev/null)
-if [[ ${JQ_VERSION} == 'jq-1.3' || ${JQ_VERSION} == 'jq-1.4' || ${JQ_VERSION} == 'jq-1.5' || ${JQ_VERSION} == 'jq-1.6' ]]; then
+JQ_VERSION=$("${JQ}" --version 2>/dev/null)
+if [ "${JQ_VERSION}" = 'jq-1.3' ] || [ "${JQ_VERSION}" = 'jq-1.4' ] || [ "${JQ_VERSION}" = 'jq-1.5' ] || [ "${JQ_VERSION}" = 'jq-1.6' ]; then
echo 'ERROR: installed jq version is too old; must be at least 1.7'
exit 1
elif [ -z ${JQ_VERSION} ]; then
@@ -39,7 +41,7 @@ MANIFEST_LIST_URL='https://launchermeta.mojang.com/mc/game/version_manifest.json
mkdir -p assets/indexes
echo 'Retrieving version manifest...'
-VERSION_MANIFEST_URL=$(curl "${MANIFEST_LIST_URL}" 2>/dev/null | jq -r "(.versions.[] | select(.id==\"${LOOKING_FOR}\")).url")
+VERSION_MANIFEST_URL=$(curl "${MANIFEST_LIST_URL}" 2>/dev/null | "${JQ}" -r "(.versions.[] | select(.id==\"${LOOKING_FOR}\")).url")
if [ -z "${VERSION_MANIFEST_URL}" ]; then
echo "ERROR: Unable to find requested version"
@@ -47,56 +49,56 @@ if [ -z "${VERSION_MANIFEST_URL}" ]; then
fi
mkdir -p manifests
-VERSION_MANIFEST=$(curl ${VERSION_MANIFEST_URL} 2>/dev/null | sed -e 's/\\/\\\\/g' | tee "manifests/${LOOKING_FOR}.json") # Some versions contain illegal escape sequences which will crash some shells such as Ksh; double-escape it just to be safe
+VERSION_MANIFEST=$(curl ${VERSION_MANIFEST_URL} 2>/dev/null | sed -e 's/\\//g' | tee "manifests/${LOOKING_FOR}.json") # Some versions contain illegal escape sequences which will crash some shells such as Ksh; double-escape it just to be safe
# 1.12 and earlier, natives and regular libraries are contained in different elements. For 1.13 and later, an element may contain both.
echo 'Downloading libraries...'
-for I in $(echo "${VERSION_MANIFEST}" | jq -c .libraries.[]); do
- if [[ $(echo "${I}" | jq .downloads.artifact) != 'null' ]]; then
- echo "Library '$(echo ${I} | jq -r .name )' found - downloading..."
- mkdir -p libraries/$(dirname $(echo ${I} | jq -r .downloads.artifact.path))
- curl $(echo ${I} | jq -r .downloads.artifact.url) > libraries/$(echo "${I}" | jq -r .downloads.artifact.path) 2>/dev/null
+for I in $(echo "${VERSION_MANIFEST}" | "${JQ}" -c .libraries.[]); do
+ if [ "$(echo "${I}" | "${JQ}" .downloads.artifact)" != 'null' ]; then
+ echo "Library '$(echo ${I} | "${JQ}" -r .name )' found - downloading..."
+ mkdir -p libraries/$(dirname $(echo ${I} | "${JQ}" -r .downloads.artifact.path))
+ curl $(echo ${I} | "${JQ}" -r .downloads.artifact.url) > libraries/$(echo "${I}" | "${JQ}" -r .downloads.artifact.path) 2>/dev/null
fi
- if [[ $(echo "${I}" | jq .natives) != 'null' ]]; then
+ if [ "$(echo "${I}" | "${JQ}" .natives)" != 'null' ]; then
echo "Downloading native for platform '${PLATFORM}'..."
- if [[ $(echo ${I} | jq -r ".downloads.classifiers.\"natives-${PLATFORM}\"") == 'null' ]]; then
- echo "WARNING: Mojang does not distribute a '$(echo ${I} | jq -r .name)' native for this platform. This is probably not an issue unless you are using an obscure platform."
+ if [ "$(echo ${I} | "${JQ}" -r ".downloads.classifiers.\"natives-${PLATFORM}\"")" = 'null' ]; then
+ echo "WARNING: Mojang does not distribute a '$(echo ${I} | "${JQ}" -r .name)' native for this platform. This is probably not an issue unless you are using an obscure platform."
else
- mkdir -p libraries/$(dirname $(echo ${I} | jq -r ".downloads.classifiers.\"natives-${PLATFORM}\".path"))
- curl $(echo ${I} | jq -r ".downloads.classifiers.\"natives-${PLATFORM}\".url") > libraries/$(echo "${I}" | jq -r ".downloads.classifiers.\"natives-${PLATFORM}\".path") 2>/dev/null
+ mkdir -p libraries/$(dirname $(echo ${I} | "${JQ}" -r ".downloads.classifiers.\"natives-${PLATFORM}\".path"))
+ curl $(echo ${I} | "${JQ}" -r ".downloads.classifiers.\"natives-${PLATFORM}\".url") > libraries/$(echo "${I}" | "${JQ}" -r ".downloads.classifiers.\"natives-${PLATFORM}\".path") 2>/dev/null
fi
fi
done
echo 'Retrieving asset index...'
-ASSET_INDEX=$(echo "${VERSION_MANIFEST}" | jq .assetIndex)
+ASSET_INDEX=$(echo "${VERSION_MANIFEST}" | "${JQ}" .assetIndex)
echo 'Retrieving object list...'
-OBJECT_LIST=$(curl $(echo ${ASSET_INDEX} | jq -r .url) 2>/dev/null | tee assets/indexes/$(echo ${ASSET_INDEX} | jq -r .id).json)
+OBJECT_LIST=$(curl $(echo ${ASSET_INDEX} | "${JQ}" -r .url) 2>/dev/null | tee assets/indexes/$(echo ${ASSET_INDEX} | "${JQ}" -r .id).json)
-HASH_COUNT=$(echo ${OBJECT_LIST} | jq '.objects | length')
+HASH_COUNT=$(echo ${OBJECT_LIST} | "${JQ}" '.objects | length')
echo 'Downloading required assets. This may take a few minutes.'
MCRESOURCES='https://resources.download.minecraft.net/'
-if [[ "$(echo "${ASSET_INDEX}" | jq -r .id)" == 'pre-1.6' || "$(echo "${ASSET_INDEX}" | jq -r .id)" == 'legacy' ]]; then # Release 1.6 and prior use a different asset layout
- while read -r LINE; do
- H=$(echo ${OBJECT_LIST} | jq -r ".objects.[\"${LINE}\"].hash")
- DIR="${H[0]}${H[1]}/"
+if [ "$(echo "${ASSET_INDEX}" | "${JQ}" -r .id)" = 'pre-1.6' ] || [ "$(echo "${ASSET_INDEX}" | "${JQ}" -r .id)" = 'legacy' ]; then # Release 1.6 and prior use a different asset layout
+ echo "${OBJECT_LIST}" | "${JQ}" -r '.objects | keys[]' | while read -r LINE; do
+ H=$(echo ${OBJECT_LIST} | "${JQ}" -r ".objects.[\"${LINE}\"].hash")
+ DIR="$(echo "${H}" | cut -c1-2)/"
mkdir -p "$(dirname "assets/virtual/legacy/${LINE}")"
curl "${MCRESOURCES}${DIR}${H}" > "assets/virtual/legacy/${LINE}" 2>/dev/null
echo "Downloaded: assets/virtual/legacy/${LINE}"
- done <<< "$(echo "${OBJECT_LIST}" | jq -r '.objects | keys[]')"
+ done
else
IND=0
- for I in $(echo "${OBJECT_LIST}" | jq -r .objects.[].hash); do
+ for I in $(echo "${OBJECT_LIST}" | "${JQ}" -r .objects.[].hash); do
IND=$(echo "${IND}" + 1 | nickle)
DIR="$(echo "${I}" | cut -c1-2)/"
mkdir -p "assets/objects/${DIR}"
# If file exists, check its integrity with hash and skip if it's good
- if [[ -f assets/objects/${DIR}${I} && $(cat "assets/objects/${DIR}${I}" | sha1sum | sed -e 's/ (stdin)//') == "${I}" ]]; then # Removing (stdin) is not needed for most sha1sum implementations
+ if [ -f assets/objects/${DIR}${I} ] && [ "$(cat "assets/objects/${DIR}${I}" | sha1sum | sed -e 's/ (stdin)//')" = "${I}" ]; then # Removing (stdin) is not needed for most sha1sum implementations
echo "${IND}/${HASH_COUNT} (${DIR}${I}) is already downloaded; skipping. ($(echo "printf(\"%5l\", ${IND} / ${HASH_COUNT} * 100)" | nickle)%)"
continue;
fi
@@ -107,7 +109,7 @@ else
fi
echo 'Downloading minecraft jar...'
-CLIENT_URL=$(echo "${VERSION_MANIFEST}" | jq -r .downloads.client.url)
+CLIENT_URL=$(echo "${VERSION_MANIFEST}" | "${JQ}" -r .downloads.client.url)
mkdir -p "libraries/com/mojang/minecraft/${LOOKING_FOR}"
curl "${CLIENT_URL}" > "libraries/com/mojang/minecraft/${LOOKING_FOR}/minecraft-${LOOKING_FOR}-client.jar" 2>/dev/null