#!/bin/bash
#
# usage:
#  after tests/tests/some-test has been run (and maybe failed)
#   cd tests/tmp/some-test/blah
#   ../../adhoc ../../../dgit some options
# or
#  after tests/tests/some-test has been run (and maybe failed)
#   cd tests/tmp/some-test/blah
#   ../../adhoc some rune run by some piece of infrastructure
#
# effects:
#   directly sets the env variables which arrange to use
#   programs etc. from the working tree

ourname=adhoc

case $0 in
*/$ourname)
	: ${DGIT_TEST_INTREE:=$(realpath "${0%/$ourname}/..")}
	;;
*)
	echo >&2 "$ourname must be invoked as .../$ourname not $0"
	exit 127
	;;
esac

export DGIT_TEST_INTREE

. $DGIT_TEST_INTREE/tests/lib-core

t-set-intree

pwd=$(realpath "$(pwd)")
basis=$DGIT_TEST_INTREE/tests/tmp
case "$pwd" in
"$basis" | "$basis"/*)
	testname=${pwd/"$basis/"/}
	testname=${testname%%/*}
	tmp="$basis/$testname"
	;;
*)
	fail "$ourname pwd must be inside some test (in $basis), not $pwd"
	;;
esac

export ADTTMP=$tmp HOME=$tmp DGIT_TEST_DUMMY_DIR=$tmp DGIT_TEST_TMP=$tmp

exec "$@"