From 36bd86d0a83f252a4e43df6638d6563304571711 Mon Sep 17 00:00:00 2001
From: merakor <cem@ckyln.com>
Date: Mon, 10 Aug 2020 08:21:57 +0000
Subject: as_root(): use 'env' for setting variables.
FossilOrigin-Name: 1cfe280b0c731ed14d08c3e89f8eef0ee2202e9dbd9d5aeca2587dd4427f8124
---
src/cpt-lib | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/src/cpt-lib b/src/cpt-lib
index 3218fab..df3f92d 100644
--- a/src/cpt-lib
+++ b/src/cpt-lib
@@ -75,10 +75,24 @@ as_root() {
# 'doas' or 'su'. Hurrah for choice.
[ "$uid" = 0 ] || log "Using '${su:-su}' (to become ${user:=root})"
+ # We are exporting package manager variables, so that we still have the same
+ # repository paths / access to the same cache directories etc.
+ set -- HOME="$HOME" \
+ XDG_CACHE_HOME="$XDG_CACHE_HOME" \
+ CPT_PATH="$CPT_PATH" \
+ CPT_FORCE="$CPT_FORCE" \
+ CPT_HOOK="$CPT_HOOK" \
+ CPT_ROOT="$CPT_ROOT" \
+ CPT_CHOICE="$CPT_CHOICE" \
+ CPT_CACHE="$CPT_CACHE" \
+ CPT_TMPDIR="$CPT_TMPDIR" \
+ CPT_HOOK="$CPT_HOOK" \
+ CPT_PID="$CPT_PID" \
+ "$@"
+
case ${su##*/} in
- sudo) sudo -E -u "$user" -- "$@" ;;
- doas) doas -u "$user" -- "$@" ;;
- su) su -pc "env USER=$user $* <&3" "$user" 3<&0 </dev/tty ;;
+ sudo|doas) "$su" -u "$user" -- env "$@" ;;
+ su) su -c "env $* <&3" "$user" 3<&0 </dev/tty ;;
*) die "Invalid CPT_SU value: $su" ;;
esac
}
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