Patch-Source: https://github.com/AlexanderThaller/hstdb/pull/55
--
From edd0899c6a53db041972a3411c0973d291b1cf77 Mon Sep 17 00:00:00 2001
From: Jakub Jirutka <jakub@jirutka.cz>
Date: Sun, 12 Mar 2023 19:36:37 +0100
Subject: [PATCH] Get default histfile path from HISTFILE env. variable if
 exists

This is the standard Zsh variable to define the histfile location.
---
 src/opt.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/opt.rs b/src/opt.rs
index af7fb97..91cae47 100644
--- a/src/opt.rs
+++ b/src/opt.rs
@@ -70,9 +70,11 @@ fn default_histdb_sqlite_path() -> PathBuf {
 }
 
 fn default_zsh_histfile_path() -> PathBuf {
-    let base_dirs = base_directory();
-    let home = base_dirs.home_dir();
-    home.join(".histfile")
+    std::env::var_os("HISTFILE").map(PathBuf::from).unwrap_or_else(|| {
+        let base_dirs = base_directory();
+        let home = base_dirs.home_dir();
+        home.join(".histfile")
+    })
 }
 
 fn default_socket_path() -> PathBuf {