upd release script.

now it can handle the first release case. when no previous tags are
there

bin/release

@@ -32,18 +32,24 @@ do
         git checkout $CURRENT_BRANCH;
         # gsort comes with coreutils packages. brew install coreutils
         LAST_RELEASE=$(git tag -l [0-9].* | gsort -V | tail -n1 )
-
-        echo "Last release $LAST_RELEASE";
-
-        CHANGES_SINCE_LAST_RELEASE=$(git log "$LAST_RELEASE"...master)
-        CHANGES_SINCE_LAST_RELEASE="$CHANGES_SINCE_LAST_RELEASE" | xargs echo -n
-        if [[ ! -z "$CHANGES_SINCE_LAST_RELEASE" || -z $LAST_RELEASE]]; then
-            echo "There are changes since last release. Releasing $1";
+        if [[ -z "$LAST_RELEASE" ]]; then
+            echo "There has not been any releases. Releasing $1";
 
             git tag $1 -s -m "Release $1"
             git push origin --tags
         else
-            echo "No change since last release.";
+            echo "Last release $LAST_RELEASE";
+
+            CHANGES_SINCE_LAST_RELEASE=$(git log "$LAST_RELEASE"...master)
+            CHANGES_SINCE_LAST_RELEASE="$CHANGES_SINCE_LAST_RELEASE" | xargs echo -n
+            if [[ ! -z "$CHANGES_SINCE_LAST_RELEASE" ]]; then
+                echo "There are changes since last release. Releasing $1";
+
+                git tag $1 -s -m "Release $1"
+                git push origin --tags
+            else
+                echo "No change since last release.";
+            fi
         fi
     )
 done