added downloading binary

roles/lib/setup-restic.yml

@@ -126,3 +126,26 @@
         group: users
         mode: '0644'
 
+    - name: Download restic bz2 file
+      get_url:
+        url: "https://github.com/restic/restic/releases/download/v0.17.1/restic_0.17.1_linux_amd64.bz2"
+        dest: "/tmp/restic.bz2"
+        mode: '0755'
+
+    - name: Extract restic bz2 file
+      unarchive:
+        src: "/tmp/restic.bz2"
+        dest: "/tmp"
+        remote_src: yes
+        extra_opts: ["--strip-components=1"]
+
+    - name: Move restic to /usr/bin/
+      copy:
+        src: "/tmp/restic"
+        dest: "/usr/bin/restic"
+        remote_src: yes
+
+    - name: Make restic executable
+      command: chmod +x /usr/bin/restic
+      args:
+        creates: /usr/bin/restic