diff --git a/.build.sh b/.build.sh
index a71ec2f7adab22e6353a3f47aeddec60867d4e4f..2fda6613bdc59dcd9c28907da8c38b02b0dd7673 100755
--- a/.build.sh
+++ b/.build.sh
@@ -6,13 +6,13 @@ apt-get update && apt-get install -y devscripts
 
 CHANGELOG="package/debian/changelog"
 LINE=$(head -n 1 $CHANGELOG)
-PACKAGE=$(echo $LINE | cut -d' ' -f1)
-VERSION=$(echo $LINE | cut -d' ' -f2 | grep -o -E '[0-9]*\.[0-9]*\.[0-9]*')
-tar --exclude=debian -czf ${PACKAGE}_${VERSION}.orig.tar.gz package/*
+PACKAGE=$(echo "$LINE" | cut -d' ' -f1)
+VERSION=$(echo "$LINE" | cut -d' ' -f2 | grep -o -E '[0-9]*\.[0-9]*\.[0-9]*')
+tar --exclude=debian -czf "${PACKAGE}_${VERSION}.orig.tar.gz" package/*
 
-cd package
+cd package || exit 1
 debuild -us -uc
-cd ../
+cd ../ || exit 1
 
 mkdir build/
-mv ${PACKAGE}* build/
+mv "${PACKAGE}"* build/
diff --git a/.deploy.sh b/.deploy.sh
index d02eac5c5b4f503eaf15e5d3c814b5eecb161bd2..492c880054991facb60e2c668f6a3be34251e5a8 100755
--- a/.deploy.sh
+++ b/.deploy.sh
@@ -1,23 +1,33 @@
 #!/bin/bash
+# shellcheck disable=SC2029
 
 # This script uploads an includes a .deb package in our debian repository.
 # The distribution is chosen based on the gitlab-ci stage we are on.
 
 apt-get update && apt-get install -y dput ssh
 
-eval $(ssh-agent -s)
+eval "$(ssh-agent -s)"
 ssh-add <(echo "$PRIV_KEY")
 
 echo "Deploy job name: $CI_JOB_NAME"
 
-if [ "$CI_JOB_NAME" = "deploy_for_testing" ]; then
+if [ "$CI_JOB_NAME" = "deploy_for_unstable" ]; then
     dput -u -f --config=dput.cf repo build/*.changes
-elif [ "$CI_JOB_NAME" = "deploy_for_stable" ]; then
+
+else
+    if [ "$CI_JOB_NAME" = "deploy_for_testing" ]; then
+       REPO_SRC="unstable"
+       REPO_TGT="testing"
+    elif [ "$CI_JOB_NAME" = "deploy_for_stable" ]; then
+       REPO_SRC="testing"
+       REPO_TGT="stable"
+    fi
+
     CHANGELOG="package/debian/changelog"
     LINE=$(head -n 1 $CHANGELOG)
-    PACKAGE=$(echo $LINE | cut -d' ' -f1)
-    VERSION=$(echo $LINE | cut -d' ' -f2 | grep -o -E '[0-9]*\.[0-9]*\.[0-9]*')
+    PACKAGE=$(echo "$LINE" | cut -d' ' -f1)
+    VERSION=$(echo "$LINE" | cut -d' ' -f2 | grep -o -E '[0-9]*\.[0-9]*\.[0-9]*')
+    REPREPRO_CMD="reprepro -Vb /home/repository/www/le6 copysrc $REPO_TGT $REPO_SRC $PACKAGE $VERSION"
 
-    REPREPRO_CMD="reprepro -Vb /home/repository/www/le6 copysrc stable testing $PACKAGE $VERSION"
-    ssh -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa repository@repo.c3sl.ufpr.br "$REPREPRO_CMD"
-fi  
+    ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null repository@repo.c3sl.ufpr.br "$REPREPRO_CMD"
+fi
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1ae327e3379874c20d10964ec48310ce0a2e4bef..1f51f5b1291452dffcf8eb5dc9dc4a7b706d8142 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,9 +1,24 @@
 ## Template para empacotamento utilizando o Gitlab-ci.
 stages:
+    - lint
     - build
     - test
     - deploy
 
+lint_shell:
+  stage: lint
+  tags:
+    - debian-packaging
+  script:
+    - apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install wget locales locales-all -y
+    - locale-gen pt_BR.UTF-8
+    - export LANG=pt_BR.UTF-8
+    - scversion="stable" # or "v0.4.7", or "latest"
+    - wget "https://storage.googleapis.com/shellcheck/shellcheck-$scversion.linux.x86_64.tar.xz"
+    - tar --xz -xvf "shellcheck-$scversion.linux.x86_64.tar.xz"
+    - shellcheck() { "shellcheck-$scversion/shellcheck" "$@"; }
+    - ./.linter_shell.sh
+
 build:
   stage: build
   artifacts:
@@ -31,10 +46,22 @@ test:
   dependencies:
     - build
 
+deploy_for_unstable:
+  stage: deploy
+  only:
+      - develop
+  tags:
+    - debian-packaging
+  script:
+    - ./.deploy.sh
+  dependencies:
+    - build
+
 deploy_for_testing:
   stage: deploy
+  when: manual
   only:
-      - master 
+      - master
   tags:
     - debian-packaging
   script:
diff --git a/.linter_shell.sh b/.linter_shell.sh
new file mode 100755
index 0000000000000000000000000000000000000000..ba497c762840177e434ab133ad50b0fabc082553
--- /dev/null
+++ b/.linter_shell.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+YELLOW='\033[0;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+sh_files=$(find -name "*.sh")
+exe_files=$(grep -Erl "#\!/bin/(bash|sh)" --exclude=*.* package)
+files="$sh_files\n$exe_files"
+#find no files
+if [[ "$files" == "\n" ]];then
+  echo -e "${YELLOW}No shell files found!${NC}"
+  exit 0
+fi
+
+echo  -e "$files"| xargs shellcheck -s bash
+if [[ $? -eq 0 ]];then
+  echo "AWESOME!No problems found."
+  exit 0
+else
+  echo -e "Understand errors in: ${BLUE}https://github.com/koalaman/shellcheck/wiki${NC}"
+  exit 1
+fi
diff --git a/package/debian/changelog b/package/debian/changelog
index edde66efbc9aa2e5a7090ee6d0e945afa3b86767..71e0c7017a5adaaaef5e9e4a0073f383c101753b 100644
--- a/package/debian/changelog
+++ b/package/debian/changelog
@@ -1,3 +1,9 @@
+le-user-apps (0.0.8) unstable; urgency=medium
+
+  * Fix Linter errors
+
+ -- Stephanie Briere Americo <lesuporte@c3sl.ufpr.br>  Mon, 09 Jul 2018 11:26:53 -0300
+
 le-user-apps (0.0.7) testing; urgency=medium
 
   * Add le-control-panel
diff --git a/package/debian/postrm b/package/debian/postrm
index de28b1091b26c4c0da19fbdc10e0a95d768d696e..a03d48f256a8276efa6a11a931921613b2cb094e 100644
--- a/package/debian/postrm
+++ b/package/debian/postrm
@@ -26,9 +26,8 @@ set -e
 # Icons paths
 icon="/usr/share/pixmaps/gconjugue.png"
 AppPath="/usr/share/applications"
-DivertPath="/usr/share/le-user-apps"
 
-if [ remove = "$1" -o abort-install = "$1" -o disappear = "$1" ]; then
+if [[ remove = "$1" || abort-install = "$1" || disappear = "$1" ]]; then
     dpkg-divert --package le-user-apps --rename --remove $icon
     dpkg-divert --package le-user-apps --rename --remove $AppPath/gconjugue.desktop
     dpkg-divert --package le-user-apps --rename --remove $AppPath/tuxtype.desktop