From d3202537f3bcd18f3b0b712d9c670b914d5a230c Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Thu, 15 Nov 2012 17:20:05 +0100
Subject: [PATCH] lesskey, setup.sh: Don't store less' history in ~/.

---
 .gitignore |  3 ++-
 lesskey    |  4 ++++
 setup.sh   | 13 +++++++++++--
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index caf6922..5b546a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 /tmux.conf
 /tmux-window1.conf
 /tmux-window2.conf
-# Ignore temporary zsh files.
+# Ignore temporary files.
+/lesshistory
 /zsh/cache
 /zsh/history*
diff --git a/lesskey b/lesskey
index a5aac7a..da9ace4 100644
--- a/lesskey
+++ b/lesskey
@@ -46,3 +46,7 @@ l right-scroll
 # ignore-case: Ignore case if the search string doesn't contain any uppercase
 #              letters.
 LESS = --no-init --search-skip-screen --quit-if-one-screen --RAW-CONTROL-CHARS --ignore-case
+
+# Store less' history file in this directory. HISTORY_PATH is replaced by
+# setup.sh because lesskey doesn't expand ~/.
+LESSHISTFILE = HISTORY_PATH
diff --git a/setup.sh b/setup.sh
index a5af86b..041629f 100755
--- a/setup.sh
+++ b/setup.sh
@@ -39,8 +39,17 @@ fi
 mkdir -p ~/.tmp
 chmod 0700 ~/.tmp
 
-# Generate ~/.less with lesskey.
-lesskey lesskey
+# Generate ~/.less with lesskey. Prevent cluttering ~/ by storing the history
+# file in this directory; this requires replacing the constant HISTORY_PATH in
+# lesskey.
+echo lesskey: generating .lesskey
+perl < lesskey \
+    -e 'while (<STDIN>) {
+            s/\bHISTORY_PATH\b/$ARGV[0]/;
+            print;
+        }' \
+    "`pwd`/lesshistory" \
+    | lesskey -
 chmod 0600 ~/.less
 
 # Find the required options to get colored ls output. GNU ls is preferred. See
-- 
2.45.2