Initial commit

.config/ml4w/version/library.sh

@@ -0,0 +1,36 @@
+vercomp() {
+    if [[ $1 == $2 ]]; then
+        return 0
+    fi
+    local IFS=.
+    local i ver1=($1) ver2=($2)
+    # fill empty fields in ver1 with zeros
+    for ((i = ${#ver1[@]}; i < ${#ver2[@]}; i++)); do
+        ver1[i]=0
+    done
+    for ((i = 0; i < ${#ver1[@]}; i++)); do
+        if ((10#${ver1[i]:=0} > 10#${ver2[i]:=0})); then
+            return 1
+        fi
+        if ((10#${ver1[i]} < 10#${ver2[i]})); then
+            return 2
+        fi
+    done
+    return 0
+}
+
+testvercomp() {
+    vercomp $1 $2
+    case $? in
+        0) op='=' ;;
+        1) op='>' ;;
+        2) op='<' ;;
+    esac
+    if [[ $op != $3 ]]; then
+        # No update available
+        echo "1"
+    else
+        # Update available
+        echo "0"
+    fi
+}