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git/t/t1011-read-tree-sparse-checkout.sh
Jens Lehmann ea5070c91f Teach read-tree the -n|--dry-run option
The option can be used to check if read-tree with the same set of other
options like "-m" and "-u" would succeed without actually changing either
the index or the working tree.

The relevant tests in the t10?? range were extended to do a read-tree -n
before the real read-tree to make sure neither the index nor any local
files were changed with -n and the same exit code as without -n is
returned. The helper functions added for that purpose reside in the new
t/lib-read-tree.sh file.

The only exception is #13 in t1004 ("unlinking an un-unlink-able
symlink"). As this is an issue of wrong directory permissions it is not
detected with -n.

Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-05-25 15:04:25 -07:00

237 lines
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Executable file

#!/bin/sh
test_description='sparse checkout tests
* (tag: removed, master) removed
| D sub/added
* (HEAD, tag: top) modified and added
| M init.t
| A sub/added
* (tag: init) init
A init.t
'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-read-tree.sh
test_expect_success 'setup' '
cat >expected <<-\EOF &&
100644 77f0ba1734ed79d12881f81b36ee134de6a3327b 0 init.t
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 sub/added
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 sub/addedtoo
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 subsub/added
EOF
cat >expected.swt <<-\EOF &&
H init.t
H sub/added
H sub/addedtoo
H subsub/added
EOF
test_commit init &&
echo modified >>init.t &&
mkdir sub subsub &&
touch sub/added sub/addedtoo subsub/added &&
git add init.t sub/added sub/addedtoo subsub/added &&
git commit -m "modified and added" &&
git tag top &&
git rm sub/added &&
git commit -m removed &&
git tag removed &&
git checkout top &&
git ls-files --stage >result &&
test_cmp expected result
'
test_expect_success 'read-tree without .git/info/sparse-checkout' '
read_tree_u_must_succeed -m -u HEAD &&
git ls-files --stage >result &&
test_cmp expected result &&
git ls-files -t >result &&
test_cmp expected.swt result
'
test_expect_success 'read-tree with .git/info/sparse-checkout but disabled' '
echo >.git/info/sparse-checkout &&
read_tree_u_must_succeed -m -u HEAD &&
git ls-files -t >result &&
test_cmp expected.swt result &&
test -f init.t &&
test -f sub/added
'
test_expect_success 'read-tree --no-sparse-checkout with empty .git/info/sparse-checkout and enabled' '
git config core.sparsecheckout true &&
echo >.git/info/sparse-checkout &&
read_tree_u_must_succeed --no-sparse-checkout -m -u HEAD &&
git ls-files -t >result &&
test_cmp expected.swt result &&
test -f init.t &&
test -f sub/added
'
test_expect_success 'read-tree with empty .git/info/sparse-checkout' '
git config core.sparsecheckout true &&
echo >.git/info/sparse-checkout &&
read_tree_u_must_fail -m -u HEAD &&
git ls-files --stage >result &&
test_cmp expected result &&
git ls-files -t >result &&
test_cmp expected.swt result &&
test -f init.t &&
test -f sub/added
'
test_expect_success 'match directories with trailing slash' '
cat >expected.swt-noinit <<-\EOF &&
S init.t
H sub/added
H sub/addedtoo
S subsub/added
EOF
echo sub/ > .git/info/sparse-checkout &&
read_tree_u_must_succeed -m -u HEAD &&
git ls-files -t > result &&
test_cmp expected.swt-noinit result &&
test ! -f init.t &&
test -f sub/added
'
test_expect_success 'match directories without trailing slash' '
echo sub >.git/info/sparse-checkout &&
read_tree_u_must_succeed -m -u HEAD &&
git ls-files -t >result &&
test_cmp expected.swt-noinit result &&
test ! -f init.t &&
test -f sub/added
'
test_expect_success 'match directories with negated patterns' '
cat >expected.swt-negation <<\EOF &&
S init.t
S sub/added
H sub/addedtoo
S subsub/added
EOF
cat >.git/info/sparse-checkout <<\EOF &&
sub
!sub/added
EOF
git read-tree -m -u HEAD &&
git ls-files -t >result &&
test_cmp expected.swt-negation result &&
test ! -f init.t &&
test ! -f sub/added &&
test -f sub/addedtoo
'
test_expect_success 'match directories with negated patterns (2)' '
cat >expected.swt-negation2 <<\EOF &&
H init.t
H sub/added
S sub/addedtoo
H subsub/added
EOF
cat >.git/info/sparse-checkout <<\EOF &&
/*
!sub
sub/added
EOF
git read-tree -m -u HEAD &&
git ls-files -t >result &&
test_cmp expected.swt-negation2 result &&
test -f init.t &&
test -f sub/added &&
test ! -f sub/addedtoo
'
test_expect_success 'match directory pattern' '
echo "s?b" >.git/info/sparse-checkout &&
read_tree_u_must_succeed -m -u HEAD &&
git ls-files -t >result &&
test_cmp expected.swt-noinit result &&
test ! -f init.t &&
test -f sub/added
'
test_expect_success 'checkout area changes' '
cat >expected.swt-nosub <<-\EOF &&
H init.t
S sub/added
S sub/addedtoo
S subsub/added
EOF
echo init.t >.git/info/sparse-checkout &&
read_tree_u_must_succeed -m -u HEAD &&
git ls-files -t >result &&
test_cmp expected.swt-nosub result &&
test -f init.t &&
test ! -f sub/added
'
test_expect_success 'read-tree updates worktree, absent case' '
echo sub/added >.git/info/sparse-checkout &&
git checkout -f top &&
read_tree_u_must_succeed -m -u HEAD^ &&
test ! -f init.t
'
test_expect_success 'read-tree updates worktree, dirty case' '
echo sub/added >.git/info/sparse-checkout &&
git checkout -f top &&
echo dirty >init.t &&
read_tree_u_must_succeed -m -u HEAD^ &&
grep -q dirty init.t &&
rm init.t
'
test_expect_success 'read-tree removes worktree, dirty case' '
echo init.t >.git/info/sparse-checkout &&
git checkout -f top &&
echo dirty >added &&
read_tree_u_must_succeed -m -u HEAD^ &&
grep -q dirty added
'
test_expect_success 'read-tree adds to worktree, absent case' '
echo init.t >.git/info/sparse-checkout &&
git checkout -f removed &&
read_tree_u_must_succeed -u -m HEAD^ &&
test ! -f sub/added
'
test_expect_success 'read-tree adds to worktree, dirty case' '
echo init.t >.git/info/sparse-checkout &&
git checkout -f removed &&
mkdir sub &&
echo dirty >sub/added &&
read_tree_u_must_succeed -u -m HEAD^ &&
grep -q dirty sub/added
'
test_expect_success 'index removal and worktree narrowing at the same time' '
>empty &&
echo init.t >.git/info/sparse-checkout &&
echo sub/added >>.git/info/sparse-checkout &&
git checkout -f top &&
echo init.t >.git/info/sparse-checkout &&
git checkout removed &&
git ls-files sub/added >result &&
test ! -f sub/added &&
test_cmp empty result
'
test_expect_success 'read-tree --reset removes outside worktree' '
>empty &&
echo init.t >.git/info/sparse-checkout &&
git checkout -f top &&
git reset --hard removed &&
git ls-files sub/added >result &&
test_cmp empty result
'
test_done