git/t/t4027-diff-submodule.sh
SZEDER Gábor ec10b018e7 tests: use 'test_must_be_empty' instead of '! test -s'
Using 'test_must_be_empty' is preferable to '! test -s', because it
gives a helpful error message if the given file is unexpectedly not
empty, while the latter remains completely silent.  Furthermore, it
also catches cases when the given file unexpectedly does not exist at
all.

This patch was basically created by:

  sed -i -e 's/! test -s/test_must_be_empty/' t[0-9]*.sh

with the following notable exceptions:

  - The '! test -s' check in '.gitmodules ignore=dirty suppresses
    submodules with untracked content' in 't7508-status.sh' is left
    as-is, because it's bogus and, therefore, it's subject of a
    dedicated patch.

  - The '! test -s' checks in 't9131-git-svn-empty-symlink.sh' and
    't9135-git-svn-moved-branch-empty-file.sh' are immediately
    preceeded by a 'test -f' to ensure that the files exist in the
    first place.  'test_must_be_empty' ensures that as well, so those
    'test -f' commands are removed as well.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-21 11:48:29 -07:00

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#!/bin/sh
test_description='difference in submodules'
. ./test-lib.sh
. "$TEST_DIRECTORY"/diff-lib.sh
test_expect_success setup '
test_tick &&
test_create_repo sub &&
(
cd sub &&
echo hello >world &&
git add world &&
git commit -m submodule
) &&
test_tick &&
echo frotz >nitfol &&
git add nitfol sub &&
git commit -m superproject &&
(
cd sub &&
echo goodbye >world &&
git add world &&
git commit -m "submodule #2"
) &&
set x $(
cd sub &&
git rev-list HEAD
) &&
echo ":160000 160000 $3 $ZERO_OID M sub" >expect &&
subtip=$3 subprev=$2
'
test_expect_success 'git diff --raw HEAD' '
git diff --raw --abbrev=40 HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'git diff-index --raw HEAD' '
git diff-index --raw HEAD >actual.index &&
test_cmp expect actual.index
'
test_expect_success 'git diff-files --raw' '
git diff-files --raw >actual.files &&
test_cmp expect actual.files
'
expect_from_to () {
printf "%sSubproject commit %s\n+Subproject commit %s\n" \
"-" "$1" "$2"
}
test_expect_success 'git diff HEAD' '
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subtip $subprev &&
test_cmp expect.body actual.body
'
test_expect_success 'git diff HEAD with dirty submodule (work tree)' '
echo >>sub/world &&
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subtip $subprev-dirty &&
test_cmp expect.body actual.body
'
test_expect_success 'git diff HEAD with dirty submodule (index)' '
(
cd sub &&
git reset --hard &&
echo >>world &&
git add world
) &&
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subtip $subprev-dirty &&
test_cmp expect.body actual.body
'
test_expect_success 'git diff HEAD with dirty submodule (untracked)' '
(
cd sub &&
git reset --hard &&
git clean -qfdx &&
>cruft
) &&
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subtip $subprev-dirty &&
test_cmp expect.body actual.body
'
test_expect_success 'git diff HEAD with dirty submodule (work tree, refs match)' '
git commit -m "x" sub &&
echo >>sub/world &&
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subprev $subprev-dirty &&
test_cmp expect.body actual.body &&
git diff --ignore-submodules HEAD >actual2 &&
test_must_be_empty actual2 &&
git diff --ignore-submodules=untracked HEAD >actual3 &&
sed -e "1,/^@@/d" actual3 >actual3.body &&
expect_from_to >expect.body $subprev $subprev-dirty &&
test_cmp expect.body actual3.body &&
git diff --ignore-submodules=dirty HEAD >actual4 &&
test_must_be_empty actual4
'
test_expect_success 'git diff HEAD with dirty submodule (work tree, refs match) [.gitmodules]' '
git config diff.ignoreSubmodules dirty &&
git diff HEAD >actual &&
test_must_be_empty actual &&
git config --add -f .gitmodules submodule.subname.ignore none &&
git config --add -f .gitmodules submodule.subname.path sub &&
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subprev $subprev-dirty &&
test_cmp expect.body actual.body &&
git config -f .gitmodules submodule.subname.ignore all &&
git config -f .gitmodules submodule.subname.path sub &&
git diff HEAD >actual2 &&
test_must_be_empty actual2 &&
git config -f .gitmodules submodule.subname.ignore untracked &&
git diff HEAD >actual3 &&
sed -e "1,/^@@/d" actual3 >actual3.body &&
expect_from_to >expect.body $subprev $subprev-dirty &&
test_cmp expect.body actual3.body &&
git config -f .gitmodules submodule.subname.ignore dirty &&
git diff HEAD >actual4 &&
test_must_be_empty actual4 &&
git config submodule.subname.ignore none &&
git config submodule.subname.path sub &&
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subprev $subprev-dirty &&
test_cmp expect.body actual.body &&
git config --remove-section submodule.subname &&
git config --remove-section -f .gitmodules submodule.subname &&
git config --unset diff.ignoreSubmodules &&
rm .gitmodules
'
test_expect_success 'git diff HEAD with dirty submodule (index, refs match)' '
(
cd sub &&
git reset --hard &&
echo >>world &&
git add world
) &&
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subprev $subprev-dirty &&
test_cmp expect.body actual.body
'
test_expect_success 'git diff HEAD with dirty submodule (untracked, refs match)' '
(
cd sub &&
git reset --hard &&
git clean -qfdx &&
>cruft
) &&
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subprev $subprev-dirty &&
test_cmp expect.body actual.body &&
git diff --ignore-submodules=all HEAD >actual2 &&
test_must_be_empty actual2 &&
git diff --ignore-submodules=untracked HEAD >actual3 &&
test_must_be_empty actual3 &&
git diff --ignore-submodules=dirty HEAD >actual4 &&
test_must_be_empty actual4
'
test_expect_success 'git diff HEAD with dirty submodule (untracked, refs match) [.gitmodules]' '
git config --add -f .gitmodules submodule.subname.ignore all &&
git config --add -f .gitmodules submodule.subname.path sub &&
git diff HEAD >actual2 &&
test_must_be_empty actual2 &&
git config -f .gitmodules submodule.subname.ignore untracked &&
git diff HEAD >actual3 &&
test_must_be_empty actual3 &&
git config -f .gitmodules submodule.subname.ignore dirty &&
git diff HEAD >actual4 &&
test_must_be_empty actual4 &&
git config submodule.subname.ignore none &&
git config submodule.subname.path sub &&
git diff HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subprev $subprev-dirty &&
test_cmp expect.body actual.body &&
git config --remove-section submodule.subname &&
git config --remove-section -f .gitmodules submodule.subname &&
rm .gitmodules
'
test_expect_success 'git diff between submodule commits' '
git diff HEAD^..HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subtip $subprev &&
test_cmp expect.body actual.body &&
git diff --ignore-submodules=dirty HEAD^..HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subtip $subprev &&
test_cmp expect.body actual.body &&
git diff --ignore-submodules HEAD^..HEAD >actual &&
test_must_be_empty actual
'
test_expect_success 'git diff between submodule commits [.gitmodules]' '
git diff HEAD^..HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subtip $subprev &&
test_cmp expect.body actual.body &&
git config --add -f .gitmodules submodule.subname.ignore dirty &&
git config --add -f .gitmodules submodule.subname.path sub &&
git diff HEAD^..HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subtip $subprev &&
test_cmp expect.body actual.body &&
git config -f .gitmodules submodule.subname.ignore all &&
git diff HEAD^..HEAD >actual &&
test_must_be_empty actual &&
git config submodule.subname.ignore dirty &&
git config submodule.subname.path sub &&
git diff HEAD^..HEAD >actual &&
sed -e "1,/^@@/d" actual >actual.body &&
expect_from_to >expect.body $subtip $subprev &&
git config --remove-section submodule.subname &&
git config --remove-section -f .gitmodules submodule.subname &&
rm .gitmodules
'
test_expect_success 'git diff (empty submodule dir)' '
: >empty &&
rm -rf sub/* sub/.git &&
git diff > actual.empty &&
test_cmp empty actual.empty
'
test_expect_success 'conflicted submodule setup' '
# 39 efs
c=fffffffffffffffffffffffffffffffffffffff &&
(
echo "000000 $ZERO_OID 0 sub" &&
echo "160000 1$c 1 sub" &&
echo "160000 2$c 2 sub" &&
echo "160000 3$c 3 sub"
) | git update-index --index-info &&
echo >expect.nosub '\''diff --cc sub
index 2ffffff,3ffffff..0000000
--- a/sub
+++ b/sub
@@@ -1,1 -1,1 +1,1 @@@
- Subproject commit 2fffffffffffffffffffffffffffffffffffffff
-Subproject commit 3fffffffffffffffffffffffffffffffffffffff
++Subproject commit 0000000000000000000000000000000000000000'\'' &&
hh=$(git rev-parse HEAD) &&
sed -e "s/$ZERO_OID/$hh/" expect.nosub >expect.withsub
'
test_expect_success 'combined (empty submodule)' '
rm -fr sub && mkdir sub &&
git diff >actual &&
test_cmp expect.nosub actual
'
test_expect_success 'combined (with submodule)' '
rm -fr sub &&
git clone --no-checkout . sub &&
git diff >actual &&
test_cmp expect.withsub actual
'
test_done