Fix some lint

tasks/tools.yml

@@ -1,7 +1,8 @@
 ---
 # Docker machine
 - name: Check if docker-machine is already installed
-  stat: path=/usr/local/bin/docker-machine
+  stat:
+    path: /usr/local/bin/docker-machine
   register: dockermachine
 
 - name: Check local version installed
@@ -12,7 +13,7 @@
     - dockermachine.stat.exists
 
 - name: Check online version
-  shell: curl -s https://github.com/docker/machine/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
+  shell: set -o pipefail && curl -s https://github.com/docker/machine/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
   register: dockermachine_ver
   changed_when: false
 - name: "Retreive docker-machine version {{ dockermachine_ver.stdout }}"
@@ -24,7 +25,7 @@
     mode: 0755
 
 - name: Check docker-machine-driver-kvm online version
-  shell: curl -s https://github.com/dhiltgen/docker-machine-kvm/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
+  shell: set -o pipefail && curl -s https://github.com/dhiltgen/docker-machine-kvm/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
   register: dockermachinekvm_ver
   changed_when: false
 - name: Retreive docker-machine-driver-kvm
@@ -44,7 +45,7 @@
     mode: 0755
 
 #- name: Check docker-machine-driver-scaleway online version
-#  shell: curl -s https://github.com/scaleway/docker-machine-driver-scaleway/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
+#  shell: set -o pipefail && curl -s https://github.com/scaleway/docker-machine-driver-scaleway/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
 #  register: dockermachinescw_ver
 #  changed_when: false
 #- name: Retreive docker-machine-driver-scaleway
@@ -57,11 +58,12 @@
 
 # docker-compose
 - name: Check if docker-compose is already installed
-  stat: path=/usr/local/bin/docker-compose
+  stat:
+    path: /usr/local/bin/docker-compose
   register: dockercompose
 
 - name: Check online version
-  shell: curl -s https://github.com/docker/compose/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
+  shell: set -o pipefail && curl -s https://github.com/docker/compose/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
   register: dockercompose_ver
   changed_when: false