Switch to new download format, update dependencies and check-version.sh script

check-version.sh

@@ -1,12 +1,11 @@
 #!/bin/bash
 
-# Git repository
-REPO="http://bitmath.org/git/mtdev.git"
+URL="https://bitmath.org/code/mtdev/"
 
-# Get tag name using 'git ls-remote'
-TAG_NAME=$(git ls-remote --exit-code --refs --tags --sort='v:refname' "$REPO" 2>/dev/null | tail -1 | cut -d'/' -f3)
+# Get version number from FTP server
+VERSION=$(curl -L "$URL" | grep -oP "mtdev v(\d+.\d+.\d+)" | head -n1)
 
-# Trim 'v' character in TAG_NAME variable
-VERSION=$(echo "$TAG_NAME" | tr -d 'v')
+# Remove prefix
+VERSION=${VERSION//mtdev v/}
 
 echo "$VERSION"