git/t/t2007-checkout-symlink.sh
Johannes Sixt 704a3143d5 Use prerequisite tags to skip tests that depend on symbolic links
Many tests depend on that symbolic links work.  This introduces a check
that sets the prerequisite tag SYMLINKS if the file system supports
symbolic links.  Since so many tests have to check for this prerequisite,
we do the check in test-lib.sh, so that we don't need to repeat the test
in many scripts.

To check for 'ln -s' failures, you can use a FAT partition on Linux:

$ mkdosfs -C git-on-fat 1000000
$ sudo mount -o loop,uid=j6t,gid=users,shortname=winnt git-on-fat /mnt

Clone git to /mnt and

$ GIT_SKIP_TESTS='t0001.1[34] t0010 t1301 t403[34] t4129.[47] t5701.7
          t7701.3 t9100 t9101.26 t9119 t9124.[67] t9200.10 t9600.6' \
        make test

(These additionally skipped tests depend on POSIX permissions that FAT on
Linux does not provide.)

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
2009-03-22 17:26:44 +01:00

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#!/bin/sh
#
# Copyright (c) 2007 Junio C Hamano
test_description='git checkout to switch between branches with symlink<->dir'
. ./test-lib.sh
if ! test_have_prereq SYMLINKS
then
say "symbolic links not supported - skipping tests"
test_done
fi
test_expect_success setup '
mkdir frotz &&
echo hello >frotz/filfre &&
git add frotz/filfre &&
test_tick &&
git commit -m "master has file frotz/filfre" &&
git branch side &&
echo goodbye >nitfol &&
git add nitfol
test_tick &&
git commit -m "master adds file nitfol" &&
git checkout side &&
git rm --cached frotz/filfre &&
mv frotz xyzzy &&
ln -s xyzzy frotz &&
git add xyzzy/filfre frotz &&
test_tick &&
git commit -m "side moves frotz/ to xyzzy/ and adds frotz->xyzzy/"
'
test_expect_success 'switch from symlink to dir' '
git checkout master
'
rm -fr frotz xyzzy nitfol &&
git checkout -f master || exit
test_expect_success 'switch from dir to symlink' '
git checkout side
'
test_done