From a97e3021cca1f8220cdf906233e1aef0bda044f5 Mon Sep 17 00:00:00 2001
From: Gregory Pakosz <gregory.pakosz@gmail.com>
Date: Sat, 4 Sep 2021 18:00:02 +0200
Subject: [PATCH] updated tpm integration

- automatically delete tpm when not used
- automatically delete unused plugins
- install plugins when subsequently enabling then in ~/.tmux.conf.local
- use <prefix> + u to update plugins as <prefix> + U is bound to Urlview, fixes #507
---
 .tmux.conf       | 75 +++++++++++++++++++++++++++---------------------
 .tmux.conf.local | 11 +++++++
 README.md        |  5 ++++
 3 files changed, 59 insertions(+), 32 deletions(-)

diff --git a/.tmux.conf b/.tmux.conf
index 060f134..82d7313 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -1339,37 +1339,53 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #   window_active="$1"
 #   tmux_conf_update_plugins_on_launch="$2"
 #   tmux_conf_update_plugins_on_reload="$3"
+#   tmux_conf_uninstall_plugins_on_reload="$4"
 #
 #   TMUX_PLUGIN_MANAGER_PATH=${TMUX_PLUGIN_MANAGER_PATH:-~/.tmux/plugins}
-#
-#   if curl -Ikfs -o /dev/null --connect-timeout 2 --max-time 2 https://github.com; then
-#     if [ ! -d "$TMUX_PLUGIN_MANAGER_PATH/tpm" ]; then
-#       install_tpm=true
-#       tmux display 'Installing tpm and plugins...'
-#       git clone --depth 1 https://github.com/tmux-plugins/tpm "$TMUX_PLUGIN_MANAGER_PATH/tpm"
-#     elif { [ -z "$window_active" ] && _is_enabled "$tmux_conf_update_plugins_on_launch"; } || { [ -n "$window_active" ] && _is_enabled "$tmux_conf_update_plugins_on_reload"; }; then
-#       update_tpm=true
-#       tmux display 'Updating tpm and plugins...'
-#       (cd "$TMUX_PLUGIN_MANAGER_PATH/tpm" && git checkout -q master && git reset -q --hard HEAD && git pull -q origin master)
-#     fi
-#     if [ x"$install_tpm" = x"true" ] || [ x"$update_tpm" = x"true" ]; then
-#       perl -0777 -p -i -e 's/git clone --recursive/git clone --recursive --depth 1 --shallow-submodules/g
-#                           ;s/(install_plugin "\$plugin")\n(\s+)done/\1&\n\2done\n\2wait/g' "$TMUX_PLUGIN_MANAGER_PATH/tpm/scripts/install_plugins.sh"
-#       perl -p -i -e 's/git submodule update --init --recursive/git submodule update --init --recursive --depth 1/g' "$TMUX_PLUGIN_MANAGER_PATH/tpm/scripts/update_plugin.sh"
-#       tmux set-environment -g TMUX_PLUGIN_MANAGER_PATH "$TMUX_PLUGIN_MANAGER_PATH"
-#     fi
-#     if [ x"$update_tpm" = x"true" ]; then
-#       "$TMUX_PLUGIN_MANAGER_PATH/tpm/bin/update_plugins" all >/dev/null 2>&1
-#       tmux display 'Done updating tpm and plugins...'
-#     elif [ x"$install_tpm" = x"true" ]; then
-#       "$TMUX_PLUGIN_MANAGER_PATH/tpm/bin/install_plugins" >/dev/null 2>&1
-#       tmux display 'Done installing tpm and plugins...'
+#   if [ -z "$(tmux show -gv '@plugin')" ] && [ -z "$(tmux show -gv '@tpm_plugins')" ]; then
+#     if _is_enabled "$tmux_conf_uninstall_plugins_on_reload" && [ -d "$TMUX_PLUGIN_MANAGER_PATH/tpm" ]; then
+#       tmux display 'Uninstalling tpm and plugins...'
+#       rm -rf "$TMUX_PLUGIN_MANAGER_PATH"
+#       tmux display 'Done uninstalling tpm and plugins...'
 #     fi
 #   else
-#     tmux display "GitHub doesn't seem to be reachable, skipping installing and/or updating tpm and plugins..."
+#     if curl -Ikfs -o /dev/null --connect-timeout 2 --max-time 2 https://github.com; then
+#       if [ ! -d "$TMUX_PLUGIN_MANAGER_PATH/tpm" ]; then
+#         install_tpm=true
+#         tmux display 'Installing tpm and plugins...'
+#         git clone --depth 1 https://github.com/tmux-plugins/tpm "$TMUX_PLUGIN_MANAGER_PATH/tpm"
+#       elif { [ -z "$window_active" ] && _is_enabled "$tmux_conf_update_plugins_on_launch"; } || { [ -n "$window_active" ] && _is_enabled "$tmux_conf_update_plugins_on_reload"; }; then
+#         update_tpm=true
+#         tmux display 'Updating tpm and plugins...'
+#         (cd "$TMUX_PLUGIN_MANAGER_PATH/tpm" && git checkout -q master && git reset -q --hard HEAD && git pull -q origin master)
+#       fi
+#       if [ x"$install_tpm" = x"true" ] || [ x"$update_tpm" = x"true" ]; then
+#         perl -0777 -p -i -e 's/git clone/git clone --depth 1 --shallow-submodules/g
+#                             ;s/(install_plugin "\$plugin")\n(\s+)done/\1&\n\2done\n\2wait/g' "$TMUX_PLUGIN_MANAGER_PATH/tpm/scripts/install_plugins.sh"&
+#         perl -p -i -e 's/git submodule update --init --recursive/git submodule update --init --recursive --depth 1/g' "$TMUX_PLUGIN_MANAGER_PATH/tpm/scripts/update_plugin.sh"&
+#         wait
+#         tmux set-environment -g TMUX_PLUGIN_MANAGER_PATH "$TMUX_PLUGIN_MANAGER_PATH"
+#       fi
+#       if [ x"$update_tpm" = x"true" ]; then
+#         "$TMUX_PLUGIN_MANAGER_PATH/tpm/bin/install_plugins" >/dev/null 2>&1
+#         "$TMUX_PLUGIN_MANAGER_PATH/tpm/bin/update_plugins" all >/dev/null 2>&1
+#         "$TMUX_PLUGIN_MANAGER_PATH/tpm/bin/clean_plugins" all >/dev/null 2>&1
+#         tmux display 'Done updating tpm and plugins...'
+#       elif [ x"$install_tpm" = x"true" ]; then
+#         "$TMUX_PLUGIN_MANAGER_PATH/tpm/bin/install_plugins" >/dev/null 2>&1
+#         tmux display 'Done installing tpm and plugins...'
+#       fi
+#     else
+#       tmux display "GitHub doesn't seem to be reachable, skipping installing and/or updating tpm and plugins..."
+#     fi
+#
+#     [ -z "$(tmux show -gv '@tpm-install')" ] && tmux set -g '@tpm-install' 'I'
+#     [ -z "$(tmux show -gv '@tpm-update')" ] && tmux set -g '@tpm-update' 'u'
+#     [ -z "$(tmux show -gv '@tpm-clean')" ] && tmux set -g '@tpm-clean' 'M-u'
+#     [ -f "$TMUX_PLUGIN_MANAGER_PATH/tpm/tpm" ] && "$TMUX_PLUGIN_MANAGER_PATH/tpm/tpm"
+#     tmux set -gu '@tpm-install' \; set -gu '@tpm-update' \; set -gu '@tpm-clean' \; set -gu '@plugin'
 #   fi
 #
-#   [ -f "$TMUX_PLUGIN_MANAGER_PATH/tpm/tpm" ] && "$TMUX_PLUGIN_MANAGER_PATH/tpm/tpm"
 #   if [ -z "$window_active" ] && [ $_tmux_version -lt 240 ]; then
 #     tmux run -b "sleep $(expr $(tmux display -p '#{display-time}') / 500) && tmux set display-time 3000 \; display 'This configuration will soon require tmux 2.4+' \; set -u display-time"
 #   fi
@@ -1378,13 +1394,8 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 # _apply_plugins() {
 #   tmux_conf_update_plugins_on_launch=${tmux_conf_update_plugins_on_launch:-true}
 #   tmux_conf_update_plugins_on_reload=${tmux_conf_update_plugins_on_reload:-true}
-#   if [ -n "$(tmux show -gv '@plugin')" ] || [ -n "$(tmux show -gv '@tpm_plugins')" ]; then
-#     tmux run -b "cut -c3- ~/.tmux.conf | sh -s __apply_plugins \"$window_active\" \"$tmux_conf_update_plugins_on_launch\" \"$tmux_conf_update_plugins_on_reload\""
-#   elif [ -z "$window_active" ]; then
-#     if [ $_tmux_version -lt 240 ]; then
-#       tmux run -b 'tmux set display-time 3000 \; display "This configuration will soon require tmux 2.4+" \; set -u display-time'
-#     fi
-#   fi
+#   tmux_conf_uninstall_plugins_on_reload=${tmux_conf_uninstall_plugins_on_reload:-true}
+#   tmux run -b "cut -c3- ~/.tmux.conf | sh -s __apply_plugins \"$window_active\" \"$tmux_conf_update_plugins_on_launch\" \"$tmux_conf_update_plugins_on_reload\" \"$tmux_conf_uninstall_plugins_on_reload\""
 # }
 #
 # _apply_configuration() {
diff --git a/.tmux.conf.local b/.tmux.conf.local
index c440076..515bc31 100644
--- a/.tmux.conf.local
+++ b/.tmux.conf.local
@@ -367,6 +367,17 @@ tmux_conf_update_plugins_on_launch=true
 #   - false
 tmux_conf_update_plugins_on_reload=true
 
+# by default, reloading the configuration will uninstall tpm and plugins when no
+# plugins are enabled
+#   - true (default)
+#   - false
+tmux_conf_uninstall_plugins_on_reload=true
+
+# /!\ the tpm bindings differ slightly from upstream:
+#   - installing plugins: <prefix> + I
+#   - uninstalling plugins: <prefix> + Alt + u
+#   - updating plugins: <prefix> + u
+
 # /!\ do not add set -g @plugin 'tmux-plugins/tpm'
 # /!\ do not add run '~/.tmux/plugins/tpm/tpm'
 
diff --git a/README.md b/README.md
index c007560..84263e5 100644
--- a/README.md
+++ b/README.md
@@ -311,6 +311,11 @@ This configuration now comes with built-in [TPM] support:
 - `~/.tmux.conf.local` copy ← people who are used to alter
   `.tmux.conf` to add TPM support will have to adapt their configuration
 
+⚠️ The TPM bindings differ slightly from upstream:
+  - installing plugins: `<prefix> + I`
+  - uninstalling plugins: `<prefix> + Alt + u`
+  - updating plugins: `<prefix> + u`
+
 See `~/.tmux.conf.local` for instructions.
 
 [TPM]: https://github.com/tmux-plugins/tpm