playbook/upgrader: set locale so that sort behaves the same between cron and command line

playbook/roles/upgrader/tasks/main.yml

@@ -25,7 +25,7 @@
       chdir: /opt/upgrader/tmp
 
   - name: Check uncompressed archive sha256sum
-    shell: cd /opt/upgrader/tmp && find . -type f ! -name 'sha256sum' -print0 | sort -z | xargs -0 sha256sum | sha256sum --check sha256sum
+    shell: cd /opt/upgrader/tmp && find . -type f ! -name 'sha256sum' -print0 | LC_ALL=C sort -z | xargs -0 sha256sum | sha256sum --check sha256sum
     register: playbook_sha256sum
 
   - shell: cp -R /opt/upgrader/tmp /opt/upgrader/playbook

playbook/util/upload-to-cache

@@ -3,5 +3,5 @@ conf=${1:-/etc/opt/slapcache.cfg}
 conf=$(realpath $conf)
 
 cd $playbook_dir
-find . -type f ! -name 'sha256sum' -print0 | sort -z | xargs -0 sha256sum | sha256sum > sha256sum
+find . -type f ! -name 'sha256sum' -print0 | LC_ALL=C sort -z | xargs -0 sha256sum | sha256sum > sha256sum
 rm -f /tmp/archive.tar.gz && tar -czvf /tmp/archive.tar.gz . && slapcache-upload --file=/tmp/archive.tar.gz --slapos-configuration=$conf