diff --git a/build/git-release.sh b/build/git-release.sh
new file mode 100644
index 00000000..2795b7a6
--- /dev/null
+++ b/build/git-release.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env sh
+git checkout dev
+
+if test -n "$(git status --porcelain)"; then
+  echo 'Unclean working tree. Commit or stash changes first.' >&2;
+  exit 128;
+fi
+
+if ! git fetch --quiet 2>/dev/null; then
+  echo 'There was a problem fetching your branch. Run `git fetch` to see more...' >&2;
+  exit 128;
+fi
+
+if test "0" != "$(git rev-list --count --left-only @'{u}'...HEAD)"; then
+  echo 'Remote history differ. Please pull changes.' >&2;
+  exit 128;
+fi
+
+echo 'No conflicts.' >&2;
diff --git a/build/release.sh b/build/release.sh
index bfd1fb61..93ba423b 100644
--- a/build/release.sh
+++ b/build/release.sh
@@ -1,8 +1,4 @@
-git checkout dev
-git pull eleme dev --rebase
-git checkout master
-git merge dev
-
+#!/usr/bin/env sh
 set -e
 echo "Enter release version: "
 read VERSION
@@ -29,7 +25,11 @@ then
   npm version $VERSION --message "[release] $VERSION"
 
   # publish
-  git push eleme refs/tags/v$VERSION
+  git push eleme dev
+  git checkout master
+  git merge dev
   git push eleme master
+  git push eleme refs/tags/v$VERSION
+
   npm publish
 fi
diff --git a/package.json b/package.json
index 0b9e15c2..b91149c7 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "dist:all": "node build/bin/build-all.js && npm run build:theme",
     "i18n": "node build/bin/i18n.js",
     "lint": "eslint src/**/* test/**/* packages/**/*.{js,vue} build/**/* --quiet",
-    "pub": "sh build/release.sh",
+    "pub": "sh build/git-release.sh && sh build/release.sh",
     "pub:all": "npm run dist:all && lerna publish",
     "test": "npm run lint && CI_ENV=/dev/ karma start test/unit/karma.conf.js --single-run",
     "test:watch": "karma start test/unit/karma.conf.js"