(scripts) fixed minor annoynances

scripts/default-tmux-session.sh

@@ -3,16 +3,24 @@
 DEFAULT_SESSION='quak'
 DUMMY_SESSION='dummy'
 
-# start dummy session to avoid error messages on `has-session`
+function create_default_session {
-tmux new-session -d -s "$DUMMY_SESSION"
+    if [[ -n "$TMUX" ]]; then
+        echo "already attached to a session. don't nest tmux sessions"
+        # return failure so the external attach command is not run
+        return 1
+    fi
+
+    # check if the default session exists
+    # redirect stderr to /dev/null because `session not found` is
+    # not a relevant error in this case
+    if $(tmux has-session -t ${DEFAULT_SESSION} 2>/dev/null); then
+        # return success so the external attach command is run
+        return 0
+    fi
+
+    # start dummy session to avoid error messages on `has-session`
+    tmux new-session -d -s "$DUMMY_SESSION"
 
-# check if the default session exists
-# redirect stderr to /dev/null because `session not found` is
-# not a relevant error in this case
-if $(tmux has-session -t ${DEFAULT_SESSION} 2>/dev/null); then
-    echo "default session <${DEFAULT_SESSION}> already exists"
-    # no action needed if the session exists, the attach command is run externally
-else
     # dont forget the '-d' option, otherwise the session is closed
     # before the rest of the commands are executed
     tmux new-session -d -s "$DEFAULT_SESSION" -n "temp" -c "$HOME" # create dummy window to set default path for new windows
@@ -28,6 +36,8 @@ else
     # `tmux attach` on successful execution
 
     #tmux attach -t "$DEFAULT_SESSION"
-fi
 
-tmux kill-session -t "$DUMMY_SESSION"
+    tmux kill-session -t "$DUMMY_SESSION"
+}
+
+create_default_session

scripts/fzf-bash-history.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+[[ "$-" != "*i*" ]] || return
+
 function __search-history {
     current_line="${READLINE_LINE}"
     command=($(fc -lnr 1 | fzf --scheme=history --tmux --expect=tab,right -q "${current_line}"))