Add autorelease script [skip ci]

Author: embeddedt

scripts/autorelease.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+set -e
+
+WORK_DIR=`mktemp -d`
+
+# deletes the temp directory
+function cleanup {
+  cd $HOME
+  rm -rf "$WORK_DIR"
+}
+
+trap cleanup EXIT
+
+# clone ModernFix repo
+
+echo "downloading temporary modernfix..."
+cd $WORK_DIR
+git clone https://github.com/embeddedt/ModernFix mfix &>/dev/null
+cd mfix
+
+# gather version list
+readarray -t all_versions < <(git ls-remote --heads origin | awk '{print $2}' | sed 's:.*/::' | sort -V)
+
+do_release() {
+    echo "will now make release for $1"
+    git checkout $1 &>/dev/null || git checkout -b $1 &>/dev/null
+    echo "we think the current tag is $(git describe --tags --abbrev=0)"
+    echo "the current commit head is $(git rev-parse HEAD)"
+    read -p "new tag name: " tag_name
+    gh release create $tag_name --target $1 --title "$tag_name" --notes ""
+}
+
+for version in "${all_versions[@]}"; do
+    read -r -p "Make release on ${version} branch? [y/N] " response
+    case "$response" in
+        [yY][eE][sS]|[yY])
+            do_release $version
+            ;;
+        *)
+            ;;
+    esac
+done