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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,
# tl-update-tlnet, et al. See tlpkg/gpg/tl-key-extension.txt for some info.
# Perhaps someday we will rename this to tlgpg-sign at some point,
# to be more parallel with tlgpg-verify.
if test $# -ne 1; then
echo "$0: Exactly one argument must be given, the file to sign." >&2
exit 1
fi
mydir=`cd \`dirname $0\` && pwd`
PATH=$mydir:$PATH # for our tlgpg* commands
# remove any previous signature, else gpg will bail out.
rm -f "$1.asc"
sign_cmd="tlgpg --detach-sign --armor"
if $sign_cmd "$1"; then
# signing will succeed even with expired keys and other problems, so
# do verification; our tlpgpg-verify script will report the errors, so
# just exit if it fails.
if tlgpg-verify "$1"; then :; else
echo "$0: gpg signing did not verify, exiting." >&2
exit 1
fi
else # original gpg signing failed.
echo "$0: gpg signing failed." >&2
if test -r "$1".asc; then
echo "$0: moving $1.asc to $1.asc.bads." >&2
mv "$1".asc "$1".asc.bads || exit 1
else
echo "$0: no file $1.asc" >&2
fi
echo "$0: gpg command was:" >&2
echo "$0: $gpg_prog $gpg_sign_opts $gpg_opts" "$1" >&2
echo "$0: goodbye and good luck." >&2
exit 1
fi
exit 0
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