git/t/t2003-checkout-cache-mkdir.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) 2005 Junio C Hamano
#
test_description='git checkout-index --prefix test.
This test makes sure that --prefix option works as advertised, and
also verifies that such leading path may contain symlinks, unlike
the GIT controlled paths.
'
. ./test-lib.sh
test_expect_success \
'setup' \
'mkdir path1 &&
echo frotz >path0 &&
echo rezrov >path1/file1 &&
git update-index --add path0 path1/file1'
test_expect_success SYMLINKS \
'have symlink in place where dir is expected.' \
'rm -fr path0 path1 &&
mkdir path2 &&
ln -s path2 path1 &&
git checkout-index -f -a &&
test ! -h path1 && test -d path1 &&
test -f path1/file1 && test ! -f path2/file1'
test_expect_success \
'use --prefix=path2/' \
'rm -fr path0 path1 path2 &&
mkdir path2 &&
git checkout-index --prefix=path2/ -f -a &&
test -f path2/path0 &&
test -f path2/path1/file1 &&
test ! -f path0 &&
test ! -f path1/file1'
test_expect_success \
'use --prefix=tmp-' \
'rm -fr path0 path1 path2 tmp* &&
git checkout-index --prefix=tmp- -f -a &&
test -f tmp-path0 &&
test -f tmp-path1/file1 &&
test ! -f path0 &&
test ! -f path1/file1'
test_expect_success \
'use --prefix=tmp- but with a conflicting file and dir' \
'rm -fr path0 path1 path2 tmp* &&
echo nitfol >tmp-path1 &&
mkdir tmp-path0 &&
git checkout-index --prefix=tmp- -f -a &&
test -f tmp-path0 &&
test -f tmp-path1/file1 &&
test ! -f path0 &&
test ! -f path1/file1'
# Linus fix #1
test_expect_success SYMLINKS \
'use --prefix=tmp/orary/ where tmp is a symlink' \
'rm -fr path0 path1 path2 tmp* &&
mkdir tmp1 tmp1/orary &&
ln -s tmp1 tmp &&
git checkout-index --prefix=tmp/orary/ -f -a &&
test -d tmp1/orary &&
test -f tmp1/orary/path0 &&
test -f tmp1/orary/path1/file1 &&
test -h tmp'
# Linus fix #2
test_expect_success SYMLINKS \
'use --prefix=tmp/orary- where tmp is a symlink' \
'rm -fr path0 path1 path2 tmp* &&
mkdir tmp1 &&
ln -s tmp1 tmp &&
git checkout-index --prefix=tmp/orary- -f -a &&
test -f tmp1/orary-path0 &&
test -f tmp1/orary-path1/file1 &&
test -h tmp'
# Linus fix #3
test_expect_success SYMLINKS \
'use --prefix=tmp- where tmp-path1 is a symlink' \
'rm -fr path0 path1 path2 tmp* &&
mkdir tmp1 &&
ln -s tmp1 tmp-path1 &&
git checkout-index --prefix=tmp- -f -a &&
test -f tmp-path0 &&
test ! -h tmp-path1 &&
test -d tmp-path1 &&
test -f tmp-path1/file1'
test_done