diff -u -r ../upstream.git/cmdline/apt-key.in ./cmdline/apt-key.in
--- ../upstream.git/cmdline/apt-key.in	2014-04-25 13:39:00.000000000 +0200
+++ ./cmdline/apt-key.in	2014-06-03 11:55:07.623749140 +0200
@@ -40,10 +40,7 @@
 TMP_KEYRING=${APT_DIR}/var/lib/apt/keyrings/maybe-import-keyring.gpg
 
 requires_root() {
-	if [ "$(id -u)" -ne 0 ]; then
-		echo >&1 "ERROR: This command can only be used by root."
-		exit 1
-	fi
+        # We do not require root
 }
 
 # gpg defaults to mode 0600 for new keyrings. Create one with 0644 instead.
@@ -216,11 +213,11 @@
 	remove_key_from_keyring "$FORCED_KEYRING" "$1"
     else
 	# otherwise all known keyrings are up for inspection
-	local TRUSTEDFILE="/etc/apt/trusted.gpg"
+	local TRUSTEDFILE="@TERMUX_PREFIX@/etc/apt/trusted.gpg"
 	eval $(apt-config shell TRUSTEDFILE Apt::GPGV::TrustedKeyring)
 	eval $(apt-config shell TRUSTEDFILE Dir::Etc::Trusted/f)
 	remove_key_from_keyring "$TRUSTEDFILE" "$1"
-	TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
+	TRUSTEDPARTS="@TERMUX_PREFIX@/etc/apt/trusted.gpg.d"
 	eval $(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)
 	if [ -d "$TRUSTEDPARTS" ]; then
 	    for trusted in $(run-parts --list "$TRUSTEDPARTS" --regex '^.*\.gpg$'); do
@@ -278,14 +275,14 @@
 done
 
 if [ -z "$TRUSTEDFILE" ]; then
-   TRUSTEDFILE="/etc/apt/trusted.gpg"
+   TRUSTEDFILE="@TERMUX_PREFIX@/etc/apt/trusted.gpg"
    eval $(apt-config shell TRUSTEDFILE Apt::GPGV::TrustedKeyring)
    eval $(apt-config shell TRUSTEDFILE Dir::Etc::Trusted/f)
    if [ -r "$TRUSTEDFILE" ]; then
       GPG="$GPG --keyring $TRUSTEDFILE"
    fi
    GPG="$GPG --primary-keyring $TRUSTEDFILE"
-   TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
+   TRUSTEDPARTS="@TERMUX_PREFIX@/etc/apt/trusted.gpg.d"
    eval $(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)
    if [ -d "$TRUSTEDPARTS" ]; then
       # strip / suffix as gpg will double-slash in that case (#665411)