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#!/bin/sh
# git-signify [GIT COMMAND] - use git with signify(1)
#
# First, you need to set the signing key for the repo, e.g.
# git config --local user.signingKey ~/.signify/cwm
# This will use cwm.sec and cwm.pub.
#
# Then you can use
# gpg signify commit -S
# gpg signify verify-commit
#
# gpg signify tag -s
# gpg signify verify-tag
#
# You also can set this script as "gpg.program" to use signify
# automatically.
#
# To the extent possible under law, Leah Neukirchen has waived
# all copyright and related or neighboring rights to this work.
# http://creativecommons.org/publicdomain/zero/1.0/
getkey() {
key=$(git config user.signingKey)
if [ -z "$key" ]; then
echo "git-signify: no user.signingKey defined!" 1>&2
exit 7
fi
}
while :; do
case "$1" in
-bsau)
getkey
echo "-----BEGIN PGP SIGNATURE----- (really git-signify)"
{
signify -S -s "$key.sec" -m - -x -
if [ $? -eq 0 ] && [ -n "$statusfd" ]; then
printf '\n[GNUPG:] SIG_CREATED ' >/dev/fd/$statusfd
fi
} | sed "s/: .*/: verify with git-signify and ${key##*/}.pub/"
echo "-----END PGP SIGNATURE-----"
exit 0
;;
--verify)
getkey
sed -i '/-----.* PGP SIGNATURE-----/d' "$2"
if signify -V -p "$key.pub" -m - -x "$2" 1>&2; then
echo "[GNUPG:] GOODSIG "
exit 0
else
r=$?
echo "[GNUPG:] BADSIG "
exit $r
fi
;;
--status-fd=*)
statusfd=${1#--status-fd=}
shift
;;
--*)
# ignore all other arguments
shift
;;
*)
exec git -c "gpg.program=$0" "$@"
;;
esac
done
|
