add an optional post-commit hook to send a commit email

README.md

@@ -14,3 +14,12 @@ roles:
     - { role: etckeeper,                    tags: ['system', 'etckeeper'],
         avoid_autocommits: true }
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To send commit emails to root:
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+roles:
+    - { role: etckeeper,                    tags: ['system', 'etckeeper'],
+        avoid_autocommits: true,
+        etckeeper_mailto: root }
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

tasks/etckeeper.yml

@@ -29,3 +29,9 @@
 - file: path=/etc/.bzr state=absent
 - name: "etckeeper: Initialize"
   command: etckeeper init creates=/etc/.git/
+
+- name: enable etckeeper commit mails
+  template: src=post-commit-mail.j2
+            dest=/etc/.git/hooks/post-commit
+            mode=0755
+  when: etckeeper_mailto is defined

templates/post-commit-mail.j2

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+HOSTNAME=`hostname --fqdn`
+MAILTO={{ etckeeper_mailto }}
+
+# (echo "Diffstat:" ; git show | diffstat ; echo -e "\nDiff:" ; \
+# git show | filterdiff -x '**/*shadow*' -x '**/*.key' -x '**/private/*' ) \
+#        | mail -s "etckeeper $HOSTNAME" $MAILTO
+
+git show --stat | mail -s "etckeeper $HOSTNAME" $MAILTO