From 5b0bb46421ab946457b16d271bee0db08d9174a6 Mon Sep 17 00:00:00 2001 From: Johannes Schauer Marin Rodrigues Date: Thu, 9 Sep 2021 22:59:54 +0200 Subject: [PATCH] add gpgvnoexpkeysig --- gpgvnoexpkeysig | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ mmdebstrap | 1 + 2 files changed, 49 insertions(+) create mode 100755 gpgvnoexpkeysig diff --git a/gpgvnoexpkeysig b/gpgvnoexpkeysig new file mode 100755 index 0000000..0aba454 --- /dev/null +++ b/gpgvnoexpkeysig @@ -0,0 +1,48 @@ +#!/bin/sh +# +# This script is in the public domain +# +# This is a wrapper around gpgv as invoked by apt. It turns EXPKEYSIG results +# from gpgv into GOODSIG results. This is necessary for apt to access very old +# timestamps from snapshot.debian.org for which the GPG key is already expired: +# +# Get:1 http://snapshot.debian.org/archive/debian/20150106T000000Z unstable InRelease [242 kB] +# Err:1 http://snapshot.debian.org/archive/debian/20150106T000000Z unstable InRelease +# The following signatures were invalid: EXPKEYSIG 8B48AD6246925553 Debian Archive Automatic Signing Key (7.0/wheezy) +# Reading package lists... +# W: GPG error: http://snapshot.debian.org/archive/debian/20150106T000000Z unstable InRelease: The following signatures were invalid: EXPKEYSIG 8B48AD6246925553 Debian Archive Automatic Signing Key (7.0/wheezy) +# E: The repository 'http://snapshot.debian.org/archive/debian/20150106T000000Z unstable InRelease' is not signed. +# +# To use this script, call apt with +# +# -o Apt::Key::gpgvcommand=/usr/libexec/mmdebstrap/gpgvnoexpkeysig +# +# Scripts doing similar things can be found here: +# +# * debuerreotype as /usr/share/debuerreotype/scripts/.gpgv-ignore-expiration.sh +# * derivative census: salsa.d.o/deriv-team/census/-/blob/master/bin/fakegpgv + +set -eu + +find_gpgv_status_fd() { + while [ "$#" -gt 0 ]; do + if [ "$1" = '--status-fd' ]; then + echo "$2" + return 0 + fi + shift + done + # default fd is stdout + echo 1 +} +GPGSTATUSFD="$(find_gpgv_status_fd "$@")" + +case $GPGSTATUSFD in + ''|*[!0-9]*) + echo "invalid --status-fd argument" >&2 + exit 1 + ;; +esac + +# we need eval because we cannot redirect a variable fd +eval 'exec gpgv "$@" '"$GPGSTATUSFD"'>&1 | sed "s/^\[GNUPG:\] EXPKEYSIG /[GNUPG:] GOODSIG /" >&'"$GPGSTATUSFD" diff --git a/mmdebstrap b/mmdebstrap index e60b0fc..3b39d43 100755 --- a/mmdebstrap +++ b/mmdebstrap @@ -6135,6 +6135,7 @@ the file will be appended to 99mmdebstrap verbatim. Example: This is necessary for allowing old timestamps from snapshot.debian.org --aptopt='Acquire::Check-Valid-Until "false"' + --aptopt='Apt::Key::gpgvcommand "/usr/libexec/mmdebstrap/gpgvnoexpkeysig"' Example: Settings controlling download of package description translations