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#!/bin/sh
# $Id$
# Public domain. Originally written 2016, Norbert Preining.
# Sign a file for release in TeX Live. Used in tl-update-images, etc.
# See tlpkg/gpg/tl-key-extension.txt for some info.
if test $# -ne 1; then
echo "$0: Exactly one argument must be given, the file to sign." >&2
exit 1
fi
# remove previous signature
rm -f "$1.asc"
prg=gpg
gpgopts="--batch --homedir /home/texlive/.gnupg \
--passphrase-file /home/texlive/.gnupg/passphrase \
--local-user 0x06BAB6BC "
gpgmainopts="--armor --detach-sign"
# use the environment variables if available
if test -n "$TL_GNUPG" ; then
prg=$TL_GNUPG
fi
if test -n "$TL_GNUPGOPTS" ; then
gpgopts=$TL_GNUPGOPTS
fi
if test -n "$TL_GNUPGMAINOPTS" ; then
gpgmainopts=$TL_GNUPGMAINOPTS
fi
# sign, check that result doesn't use something expired.
# both --detach-sign and --verify exit 0 even when something is expired.
if "$prg" $gpgmainopts $gpgopts "$1"; then
if "$prg" --verify "$1".asc 2>&1 | grep xpired >/dev/null; then
echo "$0: expired key, output from $prg --verify $1.asc:" >&2
"$prg" --verify "$1".asc
echo "$0: expired key, moving $1.asc to $1.asc.xpir." >&2
mv "$1".asc "$1".asc.xpir || exit 1
echo "$0: gpg command was:" >&2
echo "$0:" "$prg" $gpgmainopts $gpgopts "$1" >&2
echo "$0: good luck and goodbye." >&2
exit 1
fi
else
echo "$0: gpg failed, exiting." >&2
echo "$0: gpg command was:" >&2
echo "$0:" "$prg" $gpgmainopts $gpgopts "$1" >&2
exit 1
fi
exit 0
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