Use find -files0-from in newmail

roles/i3/files/i3blocks/newmail_maildirs

@@ -0,0 +1,20 @@
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roles/i3/files/i3blocks/scripts/newmail

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+if [ -z "$LABEL" ]; then
+    LABEL='New: '
+fi
+
+nb_new=$(find -files0-from ~/.config/i3blocks/newmail_maildirs -type d -name new -not -empty -execdir ls '{}' \+ | wc -l)
+
+if [ "$nb_new" -gt 0 ]; then
+    echo "${LABEL}${nb_new}"
+fi

roles/i3/files/scripts/newmail

@@ -1,15 +0,0 @@
-#!/bin/bash
-
-if [ -z "$MAILBOX_DIR" ]; then
-    MAILBOX_DIR=~/.local/share/mail/
-fi
-
-if [ -z "$LABEL" ]; then
-    LABEL='New: '
-fi
-
-nb_new=$(find "${MAILBOX_DIR[@]}" -type d -name new -not -empty -execdir ls '{}' \+ | wc -l)
-
-if [ "$nb_new" -gt 0 ]; then
-    echo "${LABEL}${nb_new}"
-fi

roles/i3/tasks/main.yml

@@ -147,7 +147,13 @@
     dest: ~/.config/i3blocks/scripts/
     mode: 0755
   with_fileglob:
-    - scripts/*
+    - i3blocks/scripts/*
+
+- name: Copy newmail_maildirs file
+  ansible.builtin.copy:
+    content: "{{ lookup('file', 'i3blocks/newmail_maildirs') | replace('~', ansible_facts.user_dir) | replace('\n', '\0') }}"
+    dest: ~/.config/i3blocks/newmail_maildirs
+    mode: 0644
 
 - name: Update user dirs
   ansible.builtin.command: xdg-user-dirs-update