[gnome-session] gnome-session: make sure wayland sessions get a login shell

[Ray Strode <halfline src gnome org>]

commit 7e307f8ddb91db5d4051c4c792519a660ba67f35
Author: Ray Strode <rstrode redhat com>
Date:   Thu Jan 5 10:02:58 2017 -0500

    gnome-session: make sure wayland sessions get a login shell
    
    Users expect their shell profiles to get sourced at startup, which
    doesn't happen with wayland sessions.
    
    This commit brings back that feature, by making the gnome-session
    wrapper script run a login shell.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=736660

 gnome-session/gnome-session.in |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/gnome-session/gnome-session.in b/gnome-session/gnome-session.in
index fdf7163..ce63df5 100644
--- a/gnome-session/gnome-session.in
+++ b/gnome-session/gnome-session.in
@@ -1,5 +1,18 @@
 #!/bin/sh
 
+if [ "x$XDG_SESSION_TYPE" = "xwayland" ] &&
+   [ "x$XDG_SESSION_CLASS" != "xgreeter" ] &&
+   [  -n "$SHELL" ] &&
+   grep -q "$SHELL" /etc/shells &&
+   ! (echo "$SHELL" | grep -q "false") &&
+   ! (echo "$SHELL" | grep -q "nologin"); then
+  if [ "$1" != '-l' ]; then
+    exec bash -c "exec -l '$SHELL' -c '$0 -l $*'"
+  else
+    shift
+  fi
+fi
+
 SETTING=$(gsettings get org.gnome.system.locale region)
 REGION=${SETTING#\'}
 REGION=${REGION%\'}