Session: ensure the programs wont be killed

diff --git a/session b/session
index aba9bc79699e01d0aada7d220cda90056ccaecf3..93db6c521e36cf70706903a27a6e0e79a176cca5 100755 (executable)
--- a/session
+++ b/session
@@ -9,6 +9,7 @@ NAME="$0"
 BASENAME="`basename $0`"
 IGNORE="$HOME/.config/session-ignore"
 
+# Check if a given program is not being ignored by configuration
 function __session_not_ignored {
   if [ -z "$1" ]; then
     return 1
@@ -25,6 +26,7 @@ function __session_not_ignored {
   return 0
 }
 
+# Query for program sessions
 function __session_query {
   # VIM
   if __session_not_ignored vim && [ -e "$HOME/.local/share/vim/sessions" ]; then
@@ -62,6 +64,7 @@ function __session_query {
   fi
 }
 
+# List available sessions
 function __session_list {
   n="0"
   __session_query | sort | uniq | while read session; do
@@ -121,6 +124,7 @@ function __session_list {
   done | column -t -c 6 #| sed -e 's/^/\t/'
 }
 
+# Session chooser mennu
 function __session_chooser {
   __session_list
   read -rep "Choose session: " n
@@ -134,29 +138,44 @@ function __session_chooser {
   fi
 }
 
+# Run a program
+function __session_exec {
+  if [ -z "$1" ]; then
+    return
+  fi
+
+  # Ensure it won't be killed if parent exit
+  nohup setsid $* >> $HOME/.xsession-errors 2>&1 &
+
+  # Indicate that we should wait for the main script to wait
+  # while the program starts
+  SHOULD_SLEEP="5"
+}
+
+# Open a session
 function __session_open {
   SESSION="$1"
 
   # Check VIM session
   if __session_not_ignored vim && [ -e "$HOME/.local/share/vim/sessions/$SESSION.vim" ]; then
     if which vim &> /dev/null; then
-      terminal vim -S $HOME/.local/share/vim/sessions/$SESSION.vim &
+      __session_exec terminal vim -S $HOME/.local/share/vim/sessions/$SESSION.vim
     fi
   fi
 
   # Check tmux session
   if __session_not_ignored tmux && [ -e "$HOME/.tmux/$SESSION" ]; then
     if which tmux &> /dev/null; then
-      terminal shell $SESSION &
+      __session_exec terminal shell $SESSION
     fi
   fi
 
   # Screen
-  #if __session_not_ignored screen && [ -e "$HOME/.screen/$SESSION" ]; then
-  #  if which screen &> /dev/null; then
-  #    terminal shell $SESSION &
-  #  fi
-  #fi
+  if __session_not_ignored screen && [ -e "$HOME/.screen/$SESSION" ]; then
+    if which screen &> /dev/null; then
+      __session_exec terminal wscreen $SESSION
+    fi
+  fi
 
   # Luakit
   # TODO: how to open luakit in a given session from the command line?
@@ -168,20 +187,20 @@ function __session_open {
   # Qutebrowser
   if __session_not_ignored qutebrowser && [ -d "$HOME/.local/share/qutebrowser/$SESSION" ]; then
     if which qutebrowser &> /dev/null; then
-      qutebrowser -r $SESSION
+      __session_exec qutebrowser -r $SESSION
     fi
   fi
 
   # Chromium
   if __session_not_ignored chromium && [ -d "$HOME/.config/chromium-profiles/$SESSION" ]; then
     if which chromium-profile &> /dev/null; then
-      chromium-profile $SESSION
+      __session_exec chromium-profile $SESSION
     fi
   fi
 
   # Firefox
   if __session_not_ignored firefox && [ -d "$HOME/.mozilla/firefox/profiles" ]; then
-    firefox-profile $SESSION
+    __session_exec firefox-profile $SESSION
   fi
 }
 
@@ -205,3 +224,8 @@ elif [ -z "$1" ]; then
 else
   __session_open $*
 fi
+
+# Check if we should wait programs to exec
+if [ ! -z "$SHOULD_SLEEP" ]; then
+  sleep $SHOULD_SLEEP
+fi