From fbd6ded26639b1b4b1fe69b1b85769ab4d2f8891 Mon Sep 17 00:00:00 2001
From: Kevin Brubeck Unhammer <unhammer@fsfe.org>
Date: Mon, 20 Aug 2018 11:22:09 +0200
Subject: [PATCH] new env _FASD_ADD_MAX for max args to process in --add/--proc

In an example where '*' expanded to 17k elts, fasd used 10s before
giving the next bash prompt. This change cuts the list down to the
last _FASD_ADD_MAX arguments (defaults to 2000).
---
 fasd | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/fasd b/fasd
index 4275b7e..32a0fd5 100755
--- a/fasd
+++ b/fasd
@@ -49,6 +49,7 @@ fasd() {
           [ -z "$_FASD_SINK" ] && _FASD_SINK=/dev/null
           [ -z "$_FASD_TRACK_PWD" ] && _FASD_TRACK_PWD=1
           [ -z "$_FASD_MAX" ] && _FASD_MAX=2000
+          [ -z "$_FASD_ADD_MAX" ] && _FASD_ADD_MAX=2000
           [ -z "$_FASD_BACKENDS" ] && _FASD_BACKENDS=native
           [ -z "$_FASD_FUZZY" ] && _FASD_FUZZY=2
           [ -z "$_FASD_VIMINFO" ] && _FASD_VIMINFO="$HOME/.viminfo"
@@ -314,7 +315,14 @@ EOS
       *\ $1\ *) return;;
     esac
 
-    shift; fasd --add "$@" # add all arguments except command
+    shift                       # remove command itself
+
+    # possibly too many elements:
+    if [ $# -gt $_FASD_ADD_MAX ]; then
+        shift $(( $# - _FASD_ADD_MAX ))
+    fi
+
+    fasd --add "$@"
     ;;
 
   --add|-A) shift # add entries