add temporary fixed copy of geoserver-plugin-download.sh

Dockerfile

@@ -5,6 +5,10 @@ LABEL org.opencontainers.image.description="Geoserver, customized with additiona
 LABEL org.opencontainers.image.authors="MobiData BW IPL contributors <[email protected]>"
 LABEL org.opencontainers.image.source="https://github.com/mobidata-bw/ipl-geoserver"
 
+# We currently depend on our custom fixed download script.
+# todo: use the upstream one again once https://github.com/geosolutions-it/docker-geoserver/pull/169 is merged
+COPY geoserver-plugin-download.sh /usr/local/bin/geoserver-plugin-download.sh
+
 # The upstream Docker image build process is so involved that, instead of using their built-in plugin mechanism while building the "original" image [0], we rather copy the instructions here. Other than us doing this *after* the original image has been built, we strive to follow the upstream design as closely as possible.
 # [0] https://github.com/geosolutions-it/docker-geoserver/blob/fb6a5197b19c60cf9a4b83b440281e2110a021a0/Dockerfile#L46-L50
 ARG PLUG_IN_URLS=""

geoserver-plugin-download.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# Note: This is a (temporary) fixed version of the upstream geoserver-plugin-download.sh as submitted in https://github.com/geosolutions-it/docker-geoserver/pull/169.
+
+set -e
+set -u
+
+[ "$#" -le "1" ] && ( echo "no plugin urls passed, exiting" ) && exit 0
+
+PLUGIN_INSTALL_PATH=$1
+
+for url in "${@:2}"
+do
+    # support specifying SourceForge URLs without the `/download` part at the end necessary for downloading
+    if [[ "$url" == *sourceforge* ]]; then
+        url="$url/download"
+    fi
+
+    wget \
+        --no-verbose \
+        -U 'geosolutionsit/geoserver Docker image build' \
+        -O ./download "$url"
+    unzip -o ./download -d "${PLUGIN_INSTALL_PATH}"
+    rm ./download
+done