1 files changed, 41 insertions, 0 deletions
diff --git a/.github/scripts/prepare_JREs.sh b/.github/scripts/prepare_JREs.sh
new file mode 100755
index 00000000..b85e9c2f
--- /dev/null
+++ b/.github/scripts/prepare_JREs.sh
@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+URL_JDK8="https://api.adoptium.net/v3/binary/latest/8/ga/linux/x64/jre/hotspot/normal/eclipse"
+URL_JDK17="https://api.adoptium.net/v3/binary/latest/17/ga/linux/x64/jre/hotspot/normal/eclipse"
+
+mkdir -p JREs
+pushd JREs
+
+wget --content-disposition "$URL_JDK8"
+wget --content-disposition "$URL_JDK17"
+
+for file in *;
+do
+    mkdir temp
+
+    re='(OpenJDK([[:digit:]]+)U-jre_x64_linux_hotspot_([[:digit:]]+)(.*).tar.gz)'
+    if [[ $file =~ $re ]];
+    then
+        version_major=${BASH_REMATCH[2]}
+        version_trailing=${BASH_REMATCH[4]}
+
+        if [ $version_major = 17 ];
+        then
+            hyphen='-'
+        else
+            hyphen=''
+        fi
+
+        version_edit=$(echo $version_trailing | sed -e 's/_/+/g' | sed -e 's/b/-b/g')
+        dir_name=jdk$hyphen$version_major$version_edit-jre
+        mkdir jre$version_major
+        tar -xzf $file -C temp
+        pushd temp/$dir_name
+        cp -r . ../../jre$version_major
+        popd
+    fi
+
+    rm -rf temp
+done
+
+popd