xbps-src/chroot: pass proxy variables

common/xbps-src/shutils/chroot.sh

@@ -183,6 +183,9 @@ chroot_handler() {
     else
         env -i -- PATH="/usr/bin:$PATH" SHELL=/bin/sh \
             HOME=/tmp IN_CHROOT=1 LC_COLLATE=C LANG=en_US.UTF-8 \
+            HTTP_PROXY=${HTTP_PROXY} HTTPS_PROXY=${HTTPS_PROXY} \
+            FTP_PROXY=${FTP_PROXY} SOCKS_PROXY=${SOCKS_PROXY} NO_PROXY=${NO_PROXY} \
+            HTTP_PROXY_AUTH=${HTTP_PROXY_AUTH} \
             SOURCE_DATE_EPOCH="$SOURCE_DATE_EPOCH" \
             XBPS_ALLOW_CHROOT_BREAKOUT="$XBPS_ALLOW_CHROOT_BREAKOUT" \
             $XBPS_COMMONDIR/chroot-style/${XBPS_CHROOT_CMD:=uunshare}.sh \