test-lib.sh: Add a test_set_editor function to safely set $VISUAL

In particular, this function correctly handles cases where the pwd contains
spaces, quotes, and other troublesome metacharacters.

Signed-off-by: Bryan Donlan <bdonlan@fushizen.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Bryan Donlan 2008-05-04 01:37:54 -04:00 committed by Junio C Hamano
parent 065096c2b5
commit 02b3566003

View File

@ -160,6 +160,22 @@ die () {
trap 'die' exit
# The semantics of the editor variables are that of invoking
# sh -c "$EDITOR \"$@\"" files ...
#
# If our trash directory contains shell metacharacters, they will be
# interpreted if we just set $EDITOR directly, so do a little dance with
# environment variables to work around this.
#
# In particular, quoting isn't enough, as the path may contain the same quote
# that we're using.
test_set_editor () {
FAKE_EDITOR="$1"
export FAKE_EDITOR
VISUAL='"$FAKE_EDITOR"'
export VISUAL
}
test_tick () {
if test -z "${test_tick+set}"
then