From be5f66f5744a0d6496b5f4cdb465e8881cec949c Mon Sep 17 00:00:00 2001
From: Tanguy Herbron <tanguy.herbron@outlook.com>
Date: Sat, 13 Jan 2024 15:59:14 +0100
Subject: [PATCH] feat(tmux-projectinator): Add cache file

---
 .bin/tmux-projectinator | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/.bin/tmux-projectinator b/.bin/tmux-projectinator
index 5a801a1..560a6cc 100755
--- a/.bin/tmux-projectinator
+++ b/.bin/tmux-projectinator
@@ -5,6 +5,7 @@ set -o emacs
 bind '"\e": "\C-W\c-d"'
 
 OPEN_MODE="new_pane"
+CACHE_FILE=~/.cache/project_list
 
 debug () {
     if [ "$VERBOSE" = true ]; then
@@ -50,6 +51,12 @@ open_new_pane () {
     tmux display-popup -C
 }
 
+update_project_list_cache() {
+  PROJECT_LIST_UPDATE=$(find ~/* -name .git -type d -not -path "~/.*" -prune 2>/dev/null | sed 's/\/.git/\n/g' | sed "s/$(echo $HOME | sed 's/\//\\\//g')//" | cut -d'/' -f2-)
+  
+  echo $PROJECT_LIST_UPDATE > $CACHE_FILE
+}
+
 while getopts "lv" option; do
     debug "Reading option $option"
     case $option in
@@ -68,15 +75,28 @@ CUSTOM_SESSIONS[Projects]=Halia
 spinner &
 spinner_pid=$!
 
-PROJECT_LIST=$(find ~/* -name .git -type d -not -path "~/.*" -prune 2>/dev/null)
+if [ ! -f "$CACHE_FILE" ]; then
+    debug "Start synchronous project list cache update"
+    update_project_list_cache
+else
+    debug "Start asynchronous project list cache update"
+    update_project_list_cache &
+fi
+
+PROJECT_LIST=$(cat $CACHE_FILE)
 
 kill $spinner_pid
 
-SELECTED=$(echo $PROJECT_LIST | sed 's/\/.git/\n/g' | sed "s/$(echo $HOME | sed 's/\//\\\//g')//" | cut -d'/' -f2- | fzf)
+SELECTED=$(echo $PROJECT_LIST | tr ' ' '\n' | fzf)
 
 debug "Selected $SELECTED"
 
-PROJECT_PATH=$(echo $PROJECT_LIST | sed 's/\/.git/\n/g' | grep "${SELECTED}$")
+# Quit if nothing has been selected
+if [ ! $SELECTED ]; then
+  exit 0
+fi
+
+PROJECT_PATH=$(realpath ~/${SELECTED})
 PROJECT_ROOT=$(echo $SELECTED | cut -d '/' -f1)
 PROJECT_NAME=$(echo $SELECTED | rev | cut -d '/' -f1 | rev)