From c235f9bea368316f1c1a441ebf6877e05e7df21c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@fretlink.com>
Date: Sun, 4 Nov 2018 00:37:08 +0100
Subject: [PATCH] Add a temporary bashrc when updating pam_environment

---
 roles/init/tasks/main.yml                  | 18 ++++++++++++++++++
 roles/shell/bash/templates/bash_profile.j2 |  1 +
 roles/shell/bash/templates/bashrc.j2       |  2 ++
 3 files changed, 21 insertions(+)

diff --git a/roles/init/tasks/main.yml b/roles/init/tasks/main.yml
index d3f0f6b..1baec91 100644
--- a/roles/init/tasks/main.yml
+++ b/roles/init/tasks/main.yml
@@ -7,6 +7,24 @@
   template:
     src: pam_environment.j2
     dest: $XDG_CONFIG_HOME/pam_environment
+- name: Remove old lines in bashrc_temp
+  lineinfile:
+    line: "{{ ('unset ' ~ item | regex_replace('=.*')) if item != '' and item.0 != '#' else '' }}"
+    dest: $HOME/.bashrc_temp
+    insertafter: EOF
+    create: true
+    state: present
+  loop: "{{ pam_environment.diff.0.before.split('\n')|difference(pam_environment.diff.0.after.split('\n')) | regex_replace('[\\\\t]*DEFAULT') }}"
+  when: pam_environment.changed
+- name: Add new lines in bashrc_temp
+  lineinfile:
+    line: "{{ ('export ' ~ item) if item != '' and item.0 != '#' else '' }}"
+    dest: $HOME/.bashrc_temp
+    insertafter: EOF
+    create: true
+    state: present
+  loop: "{{ pam_environment.diff.0.after.split('\n')|difference(pam_environment.diff.0.before.split('\n')) | regex_replace('[\\\\t]*DEFAULT', '') }}"
+  when: pam_environment.changed
 - name: Signal the change
   when: pam_environment.changed
   debug:
diff --git a/roles/shell/bash/templates/bash_profile.j2 b/roles/shell/bash/templates/bash_profile.j2
index 06210fa..9b9e86c 100644
--- a/roles/shell/bash/templates/bash_profile.j2
+++ b/roles/shell/bash/templates/bash_profile.j2
@@ -4,6 +4,7 @@
 {% if "graphical_vt" in features.get(profile, []) %}
 
 if [[ ! $DISPLAY && $XDG_VTNR -eq 1 ]]; then
+  [[ -f "$HOME/.bashrc_temp" ]] && rm -f $HOME/.bashrc_temp
   exec startx $XDG_CONFIG_HOME/xinitrc > $XDG_STATE_HOME/xsession_errors 2>&1
 fi
 {% endif %}
diff --git a/roles/shell/bash/templates/bashrc.j2 b/roles/shell/bash/templates/bashrc.j2
index 2285d2b..99ed55f 100644
--- a/roles/shell/bash/templates/bashrc.j2
+++ b/roles/shell/bash/templates/bashrc.j2
@@ -2,6 +2,8 @@
 # ~/.bashrc
 #
 
+[[ -f "$HOME/.bashrc_temp" ]] && . $HOME/.bashrc_temp
+
 if [ -n "$HOME/.local/bin" ]; then
   PATH="$HOME/.local/bin:$PATH"
 fi
-- 
2.41.0