From 70c91a2239c52ca411b68f32d0845a1c14868d34 Mon Sep 17 00:00:00 2001
From: sev <git@sev.monster>
Date: Fri, 23 Aug 2024 12:33:47 -0500
Subject: [PATCH] zshenv: add _sev_proot_old_username for proot tmp

---
 etc/zsh/.zshenv | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/etc/zsh/.zshenv b/etc/zsh/.zshenv
index 2cbb88a..69ac9bc 100644
--- a/etc/zsh/.zshenv
+++ b/etc/zsh/.zshenv
@@ -156,7 +156,10 @@ if [[ ! -v _sev_setup_path || -o login ]] {
 if [[ ! -v _sev_tmp ]] {
     _sev_tmp=~/.local/tmp
     # create personal TMPDIR under system tmp
-    t=${TMPDIR:-${TEMPDIR:-${TEMP:-${TMP:-${${TMPPREFIX%/zsh}:-/tmp}}}}}/.home-$LOGNAME
+    # NOTE: under proot with uid remapping, we can reuse old tmp, without
+    #       worrying about permission issues; intended for proot under termux.
+    # XXX: _sev_proot_old_user only works if /tmp is shared!
+    t=${TMPDIR:-${TEMPDIR:-${TEMP:-${TMP:-${${TMPPREFIX%/zsh}:-/tmp}}}}}/.home-${_sev_proot_old_username:-$LOGNAME}
     [[ -e $t ]] || mkdir -m700 $t 2>/dev/null
     if [[ ! -d $t ]] {
         # fallback TMPDIR to bare local directory or existing softlink
-- 
2.47.0