git/t/t2300-cd-to-toplevel.sh
Junio C Hamano fe17fc0006 t2300: run git-sh-setup in an environment that better mimics the real life
When we run scripted Porcelains, "git" potty has set up the $PATH by
prepending $GIT_EXEC_PATH, the path given by "git --exec-path=$there
$cmd", etc. already.  Because of this, scripted Porcelains can
dot-source shell script library like git-sh-setup with simple dot
without specifying any path.

t2300 however dot-sources git-sh-setup without adjusting $PATH like
the real "git" potty does.  This has not been a problem so far, but
once git-sh-setup wants to rely on the $PATH adjustment, just like
any scripted Porcelains already do, it would become one.  It cannot
for example dot-source another shell library without specifying the
full path to it by prefixing $(git --exec-path).

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-01 14:15:17 -07:00

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#!/bin/sh
test_description='cd_to_toplevel'
. ./test-lib.sh
test_cd_to_toplevel () {
test_expect_success $3 "$2" '
(
cd '"'$1'"' &&
PATH="$(git --exec-path):$PATH" &&
. git-sh-setup &&
cd_to_toplevel &&
[ "$(pwd -P)" = "$TOPLEVEL" ]
)
'
}
TOPLEVEL="$(pwd -P)/repo"
mkdir -p repo/sub/dir
mv .git repo/
SUBDIRECTORY_OK=1
test_cd_to_toplevel repo 'at physical root'
test_cd_to_toplevel repo/sub/dir 'at physical subdir'
ln -s repo symrepo 2>/dev/null
test_cd_to_toplevel symrepo 'at symbolic root' SYMLINKS
ln -s repo/sub/dir subdir-link 2>/dev/null
test_cd_to_toplevel subdir-link 'at symbolic subdir' SYMLINKS
cd repo
ln -s sub/dir internal-link 2>/dev/null
test_cd_to_toplevel internal-link 'at internal symbolic subdir' SYMLINKS
test_done