From 5af1faa367d56a70a871c85e3a3f377d11622d98 Mon Sep 17 00:00:00 2001
From: Aaron Kollasch <aaron@kollasch.dev>
Date: Fri, 28 Oct 2022 03:11:39 -0400
Subject: [PATCH 1/6] Add plugin for tmux-continuum status

---
 INSTALL.md           | 23 +++++++++++++-
 scripts/continuum.sh | 75 ++++++++++++++++++++++++++++++++++++++++++++
 scripts/dracula.sh   |  4 +++
 3 files changed, 101 insertions(+), 1 deletion(-)
 create mode 100755 scripts/continuum.sh

diff --git a/INSTALL.md b/INSTALL.md
index 6579094..0aadac0 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -318,4 +318,25 @@ Set the label when there is one client, or more than one client
 ```bash
 set -g @dracula-clients-singular client
 set -g @dracula-clients-plural clients
-```
\ No newline at end of file
+```
+
+#### continuum options
+
+Hide output if no save has been performed recently
+(otherwise, show the continuum save interval)
+
+```bash
+set -g @dracula-continuum-mode alert
+```
+
+Show the time since the last continuum save
+
+```bash
+set -g @dracula-continuum-mode time
+```
+
+In alert mode, show if a the last save was performed less then one minute ago (default is 15 seconds)
+
+```bash
+set -g @dracula-continuum-time-threshold 60
+```
diff --git a/scripts/continuum.sh b/scripts/continuum.sh
new file mode 100755
index 0000000..c45c514
--- /dev/null
+++ b/scripts/continuum.sh
@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+# setting the locale, some users have issues with different locales, this forces the correct one
+export LC_ALL=en_US.UTF-8
+
+# configuration
+# @dracula-continuum-mode default (default|alert|time)
+# @dracula-continuum-time-threshold 15
+
+alert_mode="@dracula-continuum-mode"
+time_threshold="@dracula-continuum-time-threshold"
+warn_threshold=15
+
+last_auto_save_option="@continuum-save-last-timestamp"
+auto_save_interval_option="@continuum-save-interval"
+auto_save_interval_default="15"
+
+current_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source $current_dir/utils.sh
+
+current_timestamp() {
+  echo "$(date +%s)"
+}
+
+time_since_last_run_passed() {
+  local last_saved_timestamp="$(get_tmux_option "$last_auto_save_option" "0")"
+  printf "%s" "$(($(current_timestamp) - last_saved_timestamp))"
+}
+
+print_status() {
+  local mode="$(get_tmux_option "$alert_mode" "default")"
+  local threshold="$(get_tmux_option "$time_threshold" "15")"
+  local save_int="$(get_tmux_option "$auto_save_interval_option" "$auto_save_interval_default")"
+  local interval_seconds="$((save_int * 60))"
+  local status=""
+  local time_delta="$(time_since_last_run_passed)"
+  local time_delta_minutes="$((time_delta / 60))"
+
+  case "$mode" in
+    time)
+      if [[ $save_int -gt 0 ]]; then
+        if [[ "$time_delta" -gt $((interval_seconds+warn_threshold)) ]]; then
+          status="no save after $time_delta_minutes minutes!"
+        else
+          status="$time_delta_minutes"
+        fi
+      else
+        status="off"
+      fi
+      ;;
+
+    alert)
+      if [[ "$time_delta" -gt $((interval_seconds+warn_threshold)) ]]; then
+        status="no save after $time_delta_minutes minutes!"
+      elif [[ "$time_delta" -le "$threshold" ]]; then
+        status="saved"
+      elif [[ $save_int -gt 0 ]]; then
+        status=""
+      else
+        status="off"
+      fi
+      ;;
+
+    *)
+      if [[ "$time_delta" -le "$threshold" ]]; then
+        status="saved"
+      elif [[ $save_int -gt 0 ]]; then
+        status="$save_int"
+      else
+        status="off"
+      fi
+      ;;
+  esac
+  echo "$status"
+}
+print_status
diff --git a/scripts/dracula.sh b/scripts/dracula.sh
index 2354e76..0bf19c3 100755
--- a/scripts/dracula.sh
+++ b/scripts/dracula.sh
@@ -212,6 +212,10 @@ main()
       IFS=' ' read -r -a colors <<<$(get_tmux_option "@dracula-terraform-colors" "light_purple dark_gray")
       script="#($current_dir/terraform.sh $terraform_label)"
 
+    elif [ $plugin = "continuum" ]; then
+      IFS=' ' read -r -a colors <<<$(get_tmux_option "@dracula-continuum-colors" "cyan dark_gray")
+      script="#($current_dir/continuum.sh)"
+
     elif [ $plugin = "weather" ]; then
       IFS=' ' read -r -a colors <<< $(get_tmux_option "@dracula-weather-colors" "orange dark_gray")
       script="#($current_dir/weather_wrapper.sh $show_fahrenheit $show_location $fixed_location)"

From 14300a6e751e3ee169f22847d17fa9610c274f4f Mon Sep 17 00:00:00 2001
From: Aaron Kollasch <aaron@kollasch.dev>
Date: Fri, 28 Oct 2022 06:34:42 -0400
Subject: [PATCH 2/6] Improve tmux-continuum status plugin

---
 INSTALL.md           |  17 +++---
 scripts/continuum.sh | 130 ++++++++++++++++++++++++++++++-------------
 2 files changed, 98 insertions(+), 49 deletions(-)

diff --git a/INSTALL.md b/INSTALL.md
index 0aadac0..d91b1d1 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -322,20 +322,17 @@ set -g @dracula-clients-plural clients
 
 #### continuum options
 
-Hide output if no save has been performed recently
-(otherwise, show the continuum save interval)
+Set the output mode. Options are:
+- **countdown**: Show a T- countdown to the next save (default)
+- **time**: Show the time since the last save
+- **alert**: Hide output if no save has been performed recently
+- **interval**: Show the continuum save interval
 
 ```bash
-set -g @dracula-continuum-mode alert
+set -g @dracula-continuum-mode countdown
 ```
 
-Show the time since the last continuum save
-
-```bash
-set -g @dracula-continuum-mode time
-```
-
-In alert mode, show if a the last save was performed less then one minute ago (default is 15 seconds)
+Show if the last save was performed less than 60 seconds ago (default threshold is 15 seconds)
 
 ```bash
 set -g @dracula-continuum-time-threshold 60
diff --git a/scripts/continuum.sh b/scripts/continuum.sh
index c45c514..1e4229f 100755
--- a/scripts/continuum.sh
+++ b/scripts/continuum.sh
@@ -1,15 +1,28 @@
 #!/usr/bin/env bash
 # setting the locale, some users have issues with different locales, this forces the correct one
 export LC_ALL=en_US.UTF-8
+if command -v gdate &>/dev/null; then
+  DATE=gdate
+else
+  DATE=date
+fi
 
 # configuration
-# @dracula-continuum-mode default (default|alert|time)
+# @dracula-continuum-mode default (countdown|time|alert|interval)
 # @dracula-continuum-time-threshold 15
 
 alert_mode="@dracula-continuum-mode"
 time_threshold="@dracula-continuum-time-threshold"
-warn_threshold=15
+warn_threshold=360
+first_save="@dracula-continuum-first-save"
 
+# tmux-resurrect and tmux-continuum options
+if [ -d "$HOME/.tmux/resurrect" ]; then
+  default_resurrect_dir="$HOME/.tmux/resurrect"
+else
+  default_resurrect_dir="${XDG_DATA_HOME:-$HOME/.local/share}"/tmux/resurrect
+fi
+resurrect_dir_option="@resurrect-dir"
 last_auto_save_option="@continuum-save-last-timestamp"
 auto_save_interval_option="@continuum-save-interval"
 auto_save_interval_default="15"
@@ -21,55 +34,94 @@ current_timestamp() {
   echo "$(date +%s)"
 }
 
-time_since_last_run_passed() {
-  local last_saved_timestamp="$(get_tmux_option "$last_auto_save_option" "0")"
-  printf "%s" "$(($(current_timestamp) - last_saved_timestamp))"
+set_tmux_option() {
+  local option="$1"
+  local value="$2"
+  tmux set-option -gq "$option" "$value"
+}
+
+# tmux-resurrect dir
+resurrect_dir() {
+  if [ -z "$_RESURRECT_DIR" ]; then
+    local path="$(get_tmux_option "$resurrect_dir_option" "$default_resurrect_dir")"
+    # expands tilde, $HOME and $HOSTNAME if used in @resurrect-dir
+    echo "$path" | sed "s,\$HOME,$HOME,g; s,\$HOSTNAME,$(hostname),g; s,\~,$HOME,g"
+  else
+    echo "$_RESURRECT_DIR"
+  fi
+}
+_RESURRECT_DIR="$(resurrect_dir)"
+
+last_resurrect_file() {
+  echo "$(resurrect_dir)/last"
+}
+
+last_saved_timestamp() {
+  local last_saved_timestamp="$(get_tmux_option "$last_auto_save_option" "")"
+  local first_save_timestamp="$(get_tmux_option "$first_save" "")"
+  # continuum sets the last save timestamp to the current time on first load if auto_save_option is not set
+  # so we can outrace it and detect that last_uato_save_option is empty and the timestamp is a dummy save
+  if [ -z "$first_save_timestamp" ]; then
+    last_saved_timestamp="$($DATE -r "$(last_resurrect_file)" +%s)" || last_saved_timestamp=0
+    set_tmux_option "$first_save" "$last_saved_timestamp"
+  elif [ "$first_save_timestamp" != "done" ]; then
+    last_saved_timestamp="$($DATE -r "$(last_resurrect_file)" +%s)" || last_saved_timestamp=0
+    if [ "$last_saved_timestamp" -gt "$first_save_timestamp" ]; then
+      set_tmux_option "$first_save" "done"
+    else
+      last_saved_timestamp="$first_save_timestamp"
+    fi
+  fi
+  echo "$last_saved_timestamp"
 }
 
 print_status() {
-  local mode="$(get_tmux_option "$alert_mode" "default")"
-  local threshold="$(get_tmux_option "$time_threshold" "15")"
+  local mode="$(get_tmux_option "$alert_mode" "countdown")"
+  local info_threshold="$(get_tmux_option "$time_threshold" "15")"
   local save_int="$(get_tmux_option "$auto_save_interval_option" "$auto_save_interval_default")"
   local interval_seconds="$((save_int * 60))"
   local status=""
-  local time_delta="$(time_since_last_run_passed)"
+  local last_timestamp="$(last_saved_timestamp)"
+  local time_delta="$(($(current_timestamp) - last_timestamp))"
   local time_delta_minutes="$((time_delta / 60))"
 
-  case "$mode" in
-    time)
-      if [[ $save_int -gt 0 ]]; then
-        if [[ "$time_delta" -gt $((interval_seconds+warn_threshold)) ]]; then
-          status="no save after $time_delta_minutes minutes!"
-        else
-          status="$time_delta_minutes"
-        fi
-      else
-        status="off"
-      fi
-      ;;
+  if [[ $save_int -gt 0 ]]; then
+    if [[ "$time_delta" -gt $((interval_seconds + warn_threshold)) ]]; then
+      if [[ "$mode" == "countdown" ]]; then
+        # continuum timestamp may be different than file timestamp on first load
+        local last_continuum_timestamp="$(get_tmux_option "$last_auto_save_option" "")"
+        time_delta="$(($(current_timestamp) - last_continuum_timestamp))"
+        time_delta_minutes="$((time_delta / 60))"
 
-    alert)
-      if [[ "$time_delta" -gt $((interval_seconds+warn_threshold)) ]]; then
-        status="no save after $time_delta_minutes minutes!"
-      elif [[ "$time_delta" -le "$threshold" ]]; then
-        status="saved"
-      elif [[ $save_int -gt 0 ]]; then
-        status=""
+        status="last save: $($DATE -d "@$last_timestamp" '+%F %T'); next: T$(printf '%+d' "$((time_delta_minutes - save_int)) min")"
       else
-        status="off"
+        status="last save: $($DATE -d "@$last_timestamp" '+%F %T')"
       fi
-      ;;
+    elif [[ "$time_delta" -le "$info_threshold" ]]; then
+      status="saved"
+    else
+      case "$mode" in
+        countdown)
+          status="T$(printf '%+d' "$((time_delta_minutes - save_int))")min";
+          ;;
+
+        time)
+          status="$time_delta_minutes";
+          ;;
+
+        alert)
+          status=""
+          ;;
+
+        interval)
+          status="$save_int"
+          ;;
+      esac
+    fi
+  else
+    status="off"
+  fi
 
-    *)
-      if [[ "$time_delta" -le "$threshold" ]]; then
-        status="saved"
-      elif [[ $save_int -gt 0 ]]; then
-        status="$save_int"
-      else
-        status="off"
-      fi
-      ;;
-  esac
   echo "$status"
 }
 print_status

From 67cde9d1ae2ac980a7d1f35c03fd09702db3c233 Mon Sep 17 00:00:00 2001
From: Aaron Kollasch <aaron@kollasch.dev>
Date: Fri, 28 Oct 2022 12:14:50 -0400
Subject: [PATCH 3/6] Improve date compat in tmux-continuum status

---
 scripts/continuum.sh | 49 ++++++++++++++++++++++++++++++++++++--------
 1 file changed, 40 insertions(+), 9 deletions(-)

diff --git a/scripts/continuum.sh b/scripts/continuum.sh
index 1e4229f..54ba773 100755
--- a/scripts/continuum.sh
+++ b/scripts/continuum.sh
@@ -1,11 +1,6 @@
 #!/usr/bin/env bash
 # setting the locale, some users have issues with different locales, this forces the correct one
 export LC_ALL=en_US.UTF-8
-if command -v gdate &>/dev/null; then
-  DATE=gdate
-else
-  DATE=date
-fi
 
 # configuration
 # @dracula-continuum-mode default (countdown|time|alert|interval)
@@ -34,6 +29,42 @@ current_timestamp() {
   echo "$(date +%s)"
 }
 
+file_mtime() {
+  if [ ! -f "$1" ]; then
+    echo 0
+    return
+  fi
+  case $(uname -s) in
+    Linux|Darwin)
+      date -r "$1" +%s
+      ;;
+
+    FreeBSD)
+      stat -f %m "$1"
+      ;;
+
+    CYGWIN*|MINGW32*|MSYS*|MINGW*)
+      # TODO - windows compatability
+      ;;
+  esac
+}
+
+timestamp_date() {
+  case $(uname -s) in
+    Linux)
+      date -d "@$1" "$2"
+      ;;
+
+    Darwin|FreeBSD)
+      date -r "$1" "$2"
+      ;;
+
+    CYGWIN*|MINGW32*|MSYS*|MINGW*)
+      # TODO - windows compatability
+      ;;
+  esac
+}
+
 set_tmux_option() {
   local option="$1"
   local value="$2"
@@ -62,10 +93,10 @@ last_saved_timestamp() {
   # continuum sets the last save timestamp to the current time on first load if auto_save_option is not set
   # so we can outrace it and detect that last_uato_save_option is empty and the timestamp is a dummy save
   if [ -z "$first_save_timestamp" ]; then
-    last_saved_timestamp="$($DATE -r "$(last_resurrect_file)" +%s)" || last_saved_timestamp=0
+    last_saved_timestamp="$(file_mtime "$(last_resurrect_file)")" || last_saved_timestamp=0
     set_tmux_option "$first_save" "$last_saved_timestamp"
   elif [ "$first_save_timestamp" != "done" ]; then
-    last_saved_timestamp="$($DATE -r "$(last_resurrect_file)" +%s)" || last_saved_timestamp=0
+    last_saved_timestamp="$(file_mtime "$(last_resurrect_file)")" || last_saved_timestamp=0
     if [ "$last_saved_timestamp" -gt "$first_save_timestamp" ]; then
       set_tmux_option "$first_save" "done"
     else
@@ -93,9 +124,9 @@ print_status() {
         time_delta="$(($(current_timestamp) - last_continuum_timestamp))"
         time_delta_minutes="$((time_delta / 60))"
 
-        status="last save: $($DATE -d "@$last_timestamp" '+%F %T'); next: T$(printf '%+d' "$((time_delta_minutes - save_int)) min")"
+        status="last save: $(timestamp_date "$last_timestamp" '+%F %T'); next: T$(printf '%+d' "$((time_delta_minutes - save_int))")min"
       else
-        status="last save: $($DATE -d "@$last_timestamp" '+%F %T')"
+        status="last save: $(timestamp_date "$last_timestamp" '+%F %T')"
       fi
     elif [[ "$time_delta" -le "$info_threshold" ]]; then
       status="saved"

From e0dd39def54e1af2080261f2481e0460ab912998 Mon Sep 17 00:00:00 2001
From: Aaron Kollasch <aaron@kollasch.dev>
Date: Tue, 1 Nov 2022 03:01:33 -0400
Subject: [PATCH 4/6] Improve tmux-continuum status if no save present

---
 scripts/continuum.sh | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/scripts/continuum.sh b/scripts/continuum.sh
index 54ba773..a66e897 100755
--- a/scripts/continuum.sh
+++ b/scripts/continuum.sh
@@ -31,7 +31,7 @@ current_timestamp() {
 
 file_mtime() {
   if [ ! -f "$1" ]; then
-    echo 0
+    echo -1
     return
   fi
   case $(uname -s) in
@@ -93,10 +93,10 @@ last_saved_timestamp() {
   # continuum sets the last save timestamp to the current time on first load if auto_save_option is not set
   # so we can outrace it and detect that last_uato_save_option is empty and the timestamp is a dummy save
   if [ -z "$first_save_timestamp" ]; then
-    last_saved_timestamp="$(file_mtime "$(last_resurrect_file)")" || last_saved_timestamp=0
+    last_saved_timestamp="$(file_mtime "$(last_resurrect_file)")" || last_saved_timestamp=-1
     set_tmux_option "$first_save" "$last_saved_timestamp"
   elif [ "$first_save_timestamp" != "done" ]; then
-    last_saved_timestamp="$(file_mtime "$(last_resurrect_file)")" || last_saved_timestamp=0
+    last_saved_timestamp="$(file_mtime "$(last_resurrect_file)")" || last_saved_timestamp=-1
     if [ "$last_saved_timestamp" -gt "$first_save_timestamp" ]; then
       set_tmux_option "$first_save" "done"
     else
@@ -118,15 +118,18 @@ print_status() {
 
   if [[ $save_int -gt 0 ]]; then
     if [[ "$time_delta" -gt $((interval_seconds + warn_threshold)) ]]; then
+      if [[ "$last_timestamp" == -1 ]]; then
+        status="no save"
+      else
+        status="last save: $(timestamp_date "$last_timestamp" '+%F %T')"
+      fi
       if [[ "$mode" == "countdown" ]]; then
         # continuum timestamp may be different than file timestamp on first load
         local last_continuum_timestamp="$(get_tmux_option "$last_auto_save_option" "")"
         time_delta="$(($(current_timestamp) - last_continuum_timestamp))"
         time_delta_minutes="$((time_delta / 60))"
 
-        status="last save: $(timestamp_date "$last_timestamp" '+%F %T'); next: T$(printf '%+d' "$((time_delta_minutes - save_int))")min"
-      else
-        status="last save: $(timestamp_date "$last_timestamp" '+%F %T')"
+        status="$status; next: T$(printf '%+d' "$((time_delta_minutes - save_int))")min"
       fi
     elif [[ "$time_delta" -le "$info_threshold" ]]; then
       status="saved"

From 7a8c436807358d1273016833ef3ed8d5f1fdc963 Mon Sep 17 00:00:00 2001
From: Aaron Kollasch <aaron@kollasch.dev>
Date: Thu, 10 Nov 2022 22:53:25 -0500
Subject: [PATCH 5/6] Trim tmux-continuum status if no save present

---
 scripts/continuum.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/continuum.sh b/scripts/continuum.sh
index a66e897..189e01b 100755
--- a/scripts/continuum.sh
+++ b/scripts/continuum.sh
@@ -129,7 +129,7 @@ print_status() {
         time_delta="$(($(current_timestamp) - last_continuum_timestamp))"
         time_delta_minutes="$((time_delta / 60))"
 
-        status="$status; next: T$(printf '%+d' "$((time_delta_minutes - save_int))")min"
+        status="$status; T$(printf '%+d' "$((time_delta_minutes - save_int))")min"
       fi
     elif [[ "$time_delta" -le "$info_threshold" ]]; then
       status="saved"

From cf474c934260ef82e7da7cf71dbf8a1bf6877b70 Mon Sep 17 00:00:00 2001
From: Aaron Kollasch <aaron@kollasch.dev>
Date: Sat, 17 Jun 2023 17:28:39 -0400
Subject: [PATCH 6/6] Add tmux-continuum feature to README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 6ea0860..6fcd9ef 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ Configuration and options can be found at [draculatheme.com/tmux](https://dracul
 - Info if the Panes are synchronized
 - Spotify playback (needs the tool spotify-tui installed)
 - Current kubernetes context
+- Countdown to tmux-continuum save
 - Current working directory of tmux pane
 
 ## Compatibility