1 files changed, 120 insertions, 1 deletions
diff --git a/auto/update.sh b/auto/update.sh
index 5c79fc0..312d128 100644..100755
--- a/auto/update.sh
+++ b/auto/update.sh
@@ -1,6 +1,125 @@
 #!/bin/sh
 
+. /usr/lib/colors.sh
+. /usr/lib/glyphs.sh
+
+# increment a version string
+#
+#   point - decimal point to update from
+#   version - string of the version (ie 1.4.7)
+#
 increment_ver () {
     point=$1
-    read
+    version=$2
+
+    IFS='.'; set -- $version
+    i=$# out=""
+
+    [ "$point" -gt "$#" ] && {
+        IFS='.'; printf "%s\n" "$version"
+        return
+    }
+
+    while [ "$#" -gt "0" ]; do 
+        p=$1
+
+        [ "$#" -eq "$point" ] && p=$((p+1))
+        [ "$#" -lt "$point" ] && p=0
+
+        out="$out$p."
+        shift
+    done
+
+    IFS='.'; set -- $out
+    printf "%s\n" "${*%${!#}}"
+    IFS=' '
+}
+
+get_source () {
+    local name ver
+    name=$1
+    ver=$2
+
+    cp repo/$name/$name.xibuild /tmp/xibuild
+    sed "s/PKG_VER=.*/PKG_VER=$ver/" repo/$name/$name.xibuild > /tmp/xibuild
+    . /tmp/xibuild
+    echo "$SOURCE"
+}
+
+get_type () {
+    case "$(get_source $1)" in 
+        git://*|*.git)
+            echo "git"
+            ;;
+        "")
+            echo "none"
+            ;;
+        *)
+            echo "archive"
+            ;;
+    esac
+}
+
+check_exists () {
+    local code 
+    [ -n "$1" ] && {
+        code=$(curl -sSL -I -o /dev/null -w "%{http_code}" $1)
+        [ "$code" = "200" ]
+    } 
 }
+
+cur_ver () {
+    local name
+    name=$1
+    . repo/$name/$name.xibuild 
+    echo "$PKG_VER"
+}
+
+new_ver () {
+    local name exists point new_ver ver url
+    name=$1
+
+    ver=$(cur_ver $name)
+    point=1
+    while true; do
+        new_ver=$(increment_ver $point $ver)
+        url=$(get_source $name $new_ver)
+        
+        check_exists $url && {
+            point=1
+
+            [ "$new_ver" = "$ver" ] && {
+                echo "$ver"
+                return
+            }
+
+            ver=$new_ver
+        } || {
+            point=$((point+1))
+        }
+
+
+        # check new_ver is real
+        # if is real ; repeat again with same point
+        # if not, increment point and then check
+    done
+}
+
+for pkg in $(ls repo); do 
+    printf "${LIGHT_BLUE}%s " "$pkg"
+    case "$(get_type $pkg)" in
+        "git"|"none")
+            printf "${LIGHT_WHITE}skipped"
+            ;;
+        *)
+        cur="$(cur_ver $pkg)"
+        new="$(new_ver $pkg)"
+
+        [ "$cur" = "$new" ] && 
+            printf "${LIGHT_WHITE}%s ${CHECKMARK}" "$cur" || 
+            printf "${GREEN}%s > %s" "$cur" "$new"
+    esac
+    printf "\n"
+done
+
+