Include templating support (#382)

docker/files/update-mods.sh

@@ -0,0 +1,96 @@
+#!/bin/bash
+set -eou pipefail
+
+FACTORIO_VERSION=$1
+MOD_DIR=$2
+USERNAME=$3
+TOKEN=$4
+
+MOD_BASE_URL="https://mods.factorio.com"
+
+print_step()
+{
+  echo "$1"
+}
+
+print_success()
+{
+  echo "$1"
+}
+
+print_failure()
+{
+  echo "$1"
+}
+
+update_mod()
+{
+  MOD_NAME="$1"
+  MOD_NAME_ENCODED="${1// /%20}"
+
+  print_step "Checking for update of mod $MOD_NAME..."
+
+  MOD_INFO_URL="$MOD_BASE_URL/api/mods/$MOD_NAME_ENCODED"
+  MOD_INFO_JSON=$(curl --silent "$MOD_INFO_URL")
+
+  if ! echo "$MOD_INFO_JSON" | jq -e .name >/dev/null; then
+    print_success "  Custom mod not on $MOD_BASE_URL, skipped."
+    return 0
+  fi
+
+  MOD_INFO=$(echo "$MOD_INFO_JSON" | jq -j --arg version "$FACTORIO_VERSION" ".releases|reverse|map(select(.info_json.factorio_version as \$mod_version | \$version | startswith(\$mod_version)))[0]|.file_name, \";\", .download_url, \";\", .sha1")
+
+  MOD_FILENAME=$(echo "$MOD_INFO" | cut -f1 -d";")
+  MOD_URL=$(echo "$MOD_INFO" | cut -f2 -d";")
+  MOD_SHA1=$(echo "$MOD_INFO" | cut -f3 -d";")
+
+  if [[ $MOD_FILENAME == null ]]; then
+    print_failure "  Not compatible with version"
+    return 0
+  fi
+
+  if [[ -f $MOD_DIR/$MOD_FILENAME ]]; then
+    print_success "  Already up-to-date."
+    return 0
+  fi
+
+  print_step "Downloading..."
+  FULL_URL="$MOD_BASE_URL$MOD_URL?username=$USERNAME&token=$TOKEN"
+  HTTP_STATUS=$(curl --silent -L -w "%{http_code}" -o "$MOD_DIR/$MOD_FILENAME" "$FULL_URL")
+
+  if [[ $HTTP_STATUS != 200 ]]; then
+    print_failure "  Download failed: Code $HTTP_STATUS."
+    rm -f "$MOD_DIR/$MOD_FILENAME"
+    return 1
+  fi
+
+  if [[ ! -f $MOD_DIR/$MOD_FILENAME ]]; then
+    print_failure "  Downloaded file missing!"
+    return 1
+  fi
+
+  if ! [[ $(sha1sum "$MOD_DIR/$MOD_FILENAME") =~ $MOD_SHA1 ]]; then
+    print_failure "  SHA1 mismatch!"
+    rm -f "$MOD_DIR/$MOD_FILENAME"
+    return 1
+  fi
+
+  print_success "  Download complete."
+
+  for file in "$MOD_DIR/${MOD_NAME}_"*".zip"; do # wildcard does usually not work in quotes: https://unix.stackexchange.com/a/67761
+    if [[ $file != $MOD_DIR/$MOD_FILENAME ]]; then
+      print_success "  Deleting old version: $file"
+      rm -f "$file"
+    fi
+  done
+
+  return 0
+}
+
+if [[ -f $MOD_DIR/mod-list.json ]]; then
+  jq -r ".mods|map(select(.enabled))|.[].name" "$MOD_DIR/mod-list.json" | while read -r mod; do
+    if [[ $mod != base ]]; then
+      update_mod "$mod"
+    fi
+  done
+fi