[utils.git] / gpvi

#!/bin/sh

set -e

if [ $# -lt 1 ]; then
    echo "usage: gpvi FILENAME" >&2
    exit 1
fi

file="$1"; shift

rcpt="$(gpg --batch --quiet --decrypt --list-only --status-fd 1 <"$file" | sed -n '/^\[GNUPG:\]/s/^.*ENC_TO \([^ ]*\) .*$/-r \1/p')"
tf="$(mktemp /tmp/gpvi.XXXXXX)"

gpg --quiet --decrypt --armor <"$file" >"$tf"
omd5="$(md5sum "$tf")"
vi -n "$tf"
nmd5="$(md5sum "$tf")"
if [ "$omd5" != "$nmd5" ]; then
    gpg --quiet --encrypt --armor $rcpt <"$tf" >"${file}.new"
    rm -f "$file~"
    ln "$file" "$file~"
    mv "${file}.new" "$file"
else
    echo "gpvi: file left unchanged, not overwriting old" >&2
fi

shred -u "$tf"
Commit	Line	Data
	1	#!/bin/sh
	2
	3	set -e
	4
	5	if [ $# -lt 1 ]; then
	6	echo "usage: gpvi FILENAME" >&2
	7	exit 1
	8	fi
	9
	10	file="$1"; shift
	11
	12	rcpt="$(gpg --batch --quiet --decrypt --list-only --status-fd 1 <"$file" \| sed -n '/^\[GNUPG:\]/s/^.ENC_TO \([^ ]\) .*$/-r \1/p')"
	13	tf="$(mktemp /tmp/gpvi.XXXXXX)"
	14
	15	gpg --quiet --decrypt --armor <"$file" >"$tf"
	16	omd5="$(md5sum "$tf")"
	17	vi -n "$tf"
	18	nmd5="$(md5sum "$tf")"
	19	if [ "$omd5" != "$nmd5" ]; then
	20	gpg --quiet --encrypt --armor $rcpt <"$tf" >"${file}.new"
	21	rm -f "$file~"
	22	ln "$file" "$file~"
	23	mv "${file}.new" "$file"
	24	else
	25	echo "gpvi: file left unchanged, not overwriting old" >&2
	26	fi
	27
	28	shred -u "$tf"