fix(tmux): list multiple tmux sessions if exists (#110)

Reviewed-on: https://codeberg.org/vlw/dotfiles/pulls/110

.bash_aliases

@@ -272,29 +272,36 @@ alias qw="tmux split-window -h"
 alias qa="tmux split-window -v"
 
 # Create or attach tmux sessions
-tmx() {
-    local session_name="$1"
-
-    # Attach to the first available tmux session
-    if [[ -z "$session_name" ]]; then
-        # Check if any tmux sessions exist
-        if tmux has-session 2>/dev/null; then
-            # Attach to the first existing session
-            tmux attach-session -d -t $(tmux ls | head -n 1 | awk '{print $1}' | tr -d :)
-
-            return 0
+tmx () {
+    # A session name is provided
+    if [[ -n "$1" ]]; then
+        # Attatch to existing named session
+        if tmux has-session -t "$1" 2>/dev/null; then
+            tmux attach -t "$1"
+            return
         fi
 
-        # Create a new session if none exists
+        # Create a new named session
+        tmux new-session -s "$1" -d
+        return
+    fi
+
+    local sessions=$(tmux list-sessions -F "#S" 2>/dev/null)
+    local session_count=$(echo "$sessions" | wc -l)
+
+    # Create a new session if none exists
+    if [ -z "$sessions" ]; then
         tmux new-session -s default
-        return 0
+        return
     fi
 
-    # Create a new named tmux session
-    if ! tmux has-session -t "$session_name" 2>/dev/null; then
-        tmux new-session -s "$session_name" -d
+    # Attach to the first existing session
+    if [ "$session_count" -eq 1 ]; then
+        tmux attach-session -d -t $(tmux ls | head -n 1 | awk '{print $1}' | tr -d :)
+        return
     fi
 
-    # Attach to named tmux session
-    tmux attach -t "$session_name"
+    echo "$sessions"
+    echo ""
+    echo "Multiple sessions exist"
 }