etc-git: evocommit has an Ansible mode to report changes

etc-git/files/evocommit

@@ -82,8 +82,14 @@ remount_repository_readonly() {
 is_dry_run() {
     test "${DRY_RUN}" = "1"
 }
+is_verbose() {
+    test "${VERBOSE}" = "1"
+}
+is_ansible() {
+    test "${ANSIBLE}" = "1"
+}
 main() {
-
+    rc=0
     lock="${GIT_DIR}/index.lock"
     if [ -f "${lock}" ]; then
         limit=$(date +"%s" -d "now - 1 hour")
@@ -108,18 +114,45 @@ main() {
             author=$(logname)
             email=$(git config --get user.email)
             email=${email:-"${author}@evolix.net"}
+
             # commit changes
-            ${GIT_BIN} add --all
-            ${GIT_BIN} commit --message "${MESSAGE}" --author "${author} <${email}>" --quiet
+            git_add_result=$(${GIT_BIN} add --all)
+            git_add_rc=$?
+
+            if is_ansible; then
+                if [ ${git_add_rc} -ne 0 ]; then
+                    printf "FAILED: %s\n%s" "can't add changes in ${REPOSITORY}" "${git_add_result}"
+                    rc=1
+                fi
+            fi
+
+            git_commit_result=$(${GIT_BIN} commit --message "${MESSAGE}" --author "${author} <${email}>")
+            git_commit_rc=$?
+
+            if is_ansible; then
+                if [ ${git_commit_rc} -eq 0 ]; then
+                    printf "CHANGED: %s\n" "commit done in ${REPOSITORY} with \`${MESSAGE}'"
+                else
+                    printf "FAILED: %s\n%s" "can't commit in ${REPOSITORY} \`${MESSAGE}'" "${git_commit_result}"
+                    rc=1
+                fi
+            fi
+
             # remount mount point read-only if it was before
             if [ ${readonly_orig} -eq 1 ]; then
                 remount_repository_readonly "${REPOSITORY}"
             fi
         fi
+    else
+        if is_ansible; then
+            printf "INFO: %s\n" "no commit in ${REPOSITORY}'"
+        fi
     fi
 
     unset GIT_DIR
     unset GIT_WORK_TREE
+
+    exit ${rc}
 }
 # Parse options
 # based on https://gist.github.com/deshion/10d3cb5f88a21671e17a
@@ -179,6 +212,10 @@ while :; do
             # print verbose information
             VERBOSE=1
             ;;
+        --ansible)
+            # print information for Ansible
+            ANSIBLE=1
+            ;;
         --)
             # End of all options.
             shift
@@ -209,6 +246,7 @@ if [ -z "${REPOSITORY}" ]; then
 fi
 DRY_RUN=${DRY_RUN:-0}
 VERBOSE=${VERBOSE:-0}
+ANSIBLE=${ANSIBLE:-0}
 
 GIT_BIN=$(command -v git)
 readonly GIT_BIN

etc-git/tasks/commit.yml

@@ -7,8 +7,10 @@
   register: _etc_git
 
 - name: "evocommit /etc"
-  command: "/usr/local/bin/evocommit --repository /etc --message \"{{ commit_message | mandatory }}\""
+  command: "/usr/local/bin/evocommit --ansible --repository /etc --message \"{{ commit_message | mandatory }}\""
+  changed_when: "'CHANGED:' in _etc_git_commit.stdout"
   ignore_errors: yes
+  register: _etc_git_commit
   when:
     - _etc_git.stat.exists
     - _etc_git.stat.isdir
@@ -20,8 +22,10 @@
   register: _etc_bind_git
 
 - name: "evocommit /etc/bind"
-  command: "/usr/local/bin/evocommit --repository /etc/bind --message \"{{ commit_message | mandatory }}\""
+  command: "/usr/local/bin/evocommit --ansible --repository /etc/bind --message \"{{ commit_message | mandatory }}\""
+  changed_when: "'CHANGED:' in _etc_bind_git_commit.stdout"
   ignore_errors: yes
+  register: _etc_bind_git_commit
   when:
     - _etc_bind_git.stat.exists
     - _etc_bind_git.stat.isdir
@@ -33,8 +37,10 @@
   register: _usr_share_scripts_git
 
 - name: "evocommit /usr/share/scripts"
-  command: "/usr/local/bin/evocommit --repository /usr/share/scripts --message \"{{ commit_message | mandatory }}\""
+  command: "/usr/local/bin/evocommit --ansible --repository /usr/share/scripts --message \"{{ commit_message | mandatory }}\""
+  changed_when: "'CHANGED:' in _usr_share_scripts_git_commit.stdout"
   ignore_errors: yes
+  register: _usr_share_scripts_git_commit
   when:
     - _usr_share_scripts_git.stat.exists
     - _usr_share_scripts_git.stat.isdir