updated naming conventions and format based on comments

plugins/tmux-autoattach/README.md

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+# tmux plugin
+
+The tmux plugin will either attach or create a new tmux session for each bash session. If a session already exists, it will simply attach.
+
+## OSH_PLUGIN_TMUX_AUTOATTACH_BEHAVIOR
+
+| exit   | This will completely close out your shell session, including your terminal, but keep your tmux sessions intact. This will also close your session if you detach. |
+| detach | This will allow you to detach from the tmux screen without closing the terminal or shell session.                                                                |

plugins/tmux-autoattach/tmux-autoattach.plugin.sh

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+# @chopnico 2021
+#
+# tmux-autoattach.plugin.sh
+#
+# A tmux plugin that will automatically attach itself to a bash session.
+
+[ -z "$OSH_PLUGIN_TMUX_AUTOATTACH_BEHAVIOR" ] && export OSH_PLUGIN_TMUX_AUTOATTACH_BEHAVIOR="detach"
+
+_osh_plugin_tmux_autoattach_exit() {
+	[ -z "$TMUX" ] && tmux -2u new -A && exit
+}
+
+_osh_plugin_tmux_autoattach_detach() {
+	[ -z "$TMUX" ] && tmux -2u new -A
+}
+
+if [ "$DISPLAY" ] || [ "$WAYLAND_DISPLAY" ]; then
+	case "$OSH_PLUGIN_TMUX_AUTOATTACH_BEHAVIOR" in
+		"exit")
+			_osh_plugin_tmux_autoattach_exit
+			;;
+		"detach")
+			_osh_plugin_tmux_autoattach_detach
+			;;
+		*)
+			_osh_plugin_tmux_autoattach_detach
+			;;
+	esac
+fi

plugins/tmux/README.md

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-# tmux plugin
-
-The tmux plugin will either attach or create a new tmux session for each bash session. If a session already exists, it will simply attach.

plugins/tmux/tmux.plugin.sh

@@ -1,3 +0,0 @@
-# @chopnico 2021
-
-[ -z "$TMUX"  ] && { tmux -2 -u attach || exec tmux -2 -u new-session && exit;}