Add support to shared extractors (#917)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

.github/scripts/bump-versions.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+versionStr="extVersionCode ="
+
+getVersion() {
+    # cut -d "=" -f 2 -> string.split("=")[1]
+    # "extVersionCode = 6" -> ["extVersionCode ", " 6"] -> " 6" -> "6"
+    grep "$versionStr" "$1" | cut -d "=" -f 2 | cut -d " " -f 2
+}
+
+bumpVersion() {
+    local file=$1
+    local old_version=$(getVersion $file)
+    local new_version=$((old_version + 1))
+
+    echo -e "\n$file: $old_version -> $new_version\n"
+    sed -i "s/$versionStr $old_version/$versionStr $new_version/" $file
+}
+
+findAndBump() {
+    local bumpedFiles=""
+    for lib in $@; do
+        for file in $(grep -l -R ":lib-$lib" --include "build.gradle"); do
+            # prevent bumping the same extension multiple times
+            if [[ ! $bumpedFiles =~ ( |^)$file( |$) ]]; then
+                bumpedFiles+="$file "
+                bumpVersion $file
+            fi
+        done
+    done
+    commitChanges $bumpedFiles
+}
+
+commitChanges() {
+    # this will NOT trigger another workflow, because it will use $GITHUB_TOKEN.
+    # so the build-action will run fine with the bumped-up extensions
+    if [[ -n "$@" ]]; then
+        git config --global user.email "github-actions[bot]@users.noreply.github.com"
+        git config --global user.name "github-actions[bot]"
+        git add $@
+        git commit -m "Mass-bump on extensions"
+        git push
+    fi
+}
+
+# lib/cryptoaes/build.gradle.kts -> lib/cryptoaes -> cryptoaes
+modified=$(echo $@ | tr " " "\n" | grep -Eo "^lib/\w+" | sort | uniq | cut -c 5-)
+if [[ -n "$modified" ]]; then
+    findAndBump $modified
+fi