Don't install bindep if there's no bindep file

Change-Id: I60f229f06e9655bead1f38a8e2d70c3048c0269b

roles/bindep/tasks/find-bindep.yaml

@@ -0,0 +1,21 @@
+- name: Look for bindep command
+  stat:
+    path: "{{ bindep_command }}"
+  when: bindep_command is defined
+  register: bindep_command_stat
+
+- name: Check for system bindep
+  args:
+    executable: /bin/bash
+  command: type -p bindep
+  failed_when: false
+  register: bindep_command_type
+  when: >-
+    bindep_command is not defined
+      or bindep_command_stat is defined
+      and not bindep_command_stat.stat.exists
+
+- name: Define bindep_command fact
+  set_fact:
+    bindep_command: "{{ bindep_command_type.stdout }}"
+  when: bindep_command_type|succeeded and not bindep_command_type|skipped

roles/bindep/tasks/main.yaml

@@ -1,29 +1,13 @@
 ---
-- name: Look for bindep command
-  stat:
-    path: "{{ bindep_command }}"
-  when: bindep_command is defined
-  register: bindep_command_stat
+- include: find.yaml
+  when: bindep_file is not defined
 
-- name: Check for system bindep
-  args:
-    executable: /bin/bash
-  command: type -p bindep
-  ignore_errors: yes
-  register: bindep_command_type
-  when: bindep_command is not defined or not bindep_command_stat.stat.exists
-
-- name: Define bindep_command fact
-  set_fact:
-    bindep_command: "{{ bindep_command_type.stdout }}"
-  when: bindep_command_type|succeeded and not bindep_command_type|skipped
+- include: find-bindep.yaml
+  when: bindep_file is defined
 
 - include: install.yaml
   when: bindep_command is not defined
 
-- include: find.yaml
-  when: bindep_file is not defined
-
 - name: Define bindep_command fact
   set_fact:
     bindep_run: "{{ bindep_command }} -b -f {{ bindep_file }} {{ bindep_profile }}"