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#!/bin/sh
test_description='diff --no-index'
. ./test-lib.sh
test_expect_success 'setup' '
mkdir a &&
mkdir b &&
echo 1 >a/1 &&
echo 2 >a/2 &&
git init repo &&
echo 1 >repo/a &&
mkdir -p non/git &&
echo 1 >non/git/a &&
echo 1 >non/git/b
'
test_expect_success 'git diff --no-index directories' '
test_expect_code 1 git diff --no-index a b >cnt &&
test_line_count = 14 cnt
'
test_expect_success 'git diff --no-index relative path outside repo' '
(
cd repo &&
test_expect_code 0 git diff --no-index a ../non/git/a &&
test_expect_code 0 git diff --no-index ../non/git/a ../non/git/b
)
'
test_expect_success 'git diff --no-index with broken index' '
(
cd repo &&
echo broken >.git/index &&
git diff --no-index a ../non/git/a
)
'
test_expect_success 'git diff outside repo with broken index' '
(
cd repo &&
git diff ../non/git/a ../non/git/b
)
'
test_expect_success 'git diff --no-index executed outside repo gives correct error message' '
(
GIT_CEILING_DIRECTORIES=$TRASH_DIRECTORY/non &&
export GIT_CEILING_DIRECTORIES &&
cd non/git &&
test_must_fail git diff --no-index a 2>actual.err &&
echo "usage: git diff --no-index <path> <path>" >expect.err &&
test_cmp expect.err actual.err
)
'
test_expect_success 'diff D F and diff F D' '
(
cd repo &&
echo in-repo >a &&
echo non-repo >../non/git/a &&
mkdir sub &&
echo sub-repo >sub/a &&
test_must_fail git diff --no-index sub/a ../non/git/a >expect &&
test_must_fail git diff --no-index sub/a ../non/git/ >actual &&
test_cmp expect actual &&
test_must_fail git diff --no-index a ../non/git/a >expect &&
test_must_fail git diff --no-index a ../non/git/ >actual &&
test_cmp expect actual &&
test_must_fail git diff --no-index ../non/git/a a >expect &&
test_must_fail git diff --no-index ../non/git a >actual &&
test_cmp expect actual
)
'
test_expect_success 'turning a file into a directory' '
(
cd non/git &&
mkdir d e e/sub &&
echo 1 >d/sub &&
echo 2 >e/sub/file &&
printf "D\td/sub\nA\te/sub/file\n" >expect &&
test_must_fail git diff --no-index --name-status d e >actual &&
test_cmp expect actual
)
'
test_expect_success 'diff from repo subdir shows real paths (explicit)' '
echo "diff --git a/../../non/git/a b/../../non/git/b" >expect &&
test_expect_code 1 \
git -C repo/sub \
diff --no-index ../../non/git/a ../../non/git/b >actual &&
head -n 1 <actual >actual.head &&
test_cmp expect actual.head
'
test_expect_success 'diff from repo subdir shows real paths (implicit)' '
echo "diff --git a/../../non/git/a b/../../non/git/b" >expect &&
test_expect_code 1 \
git -C repo/sub \
diff ../../non/git/a ../../non/git/b >actual &&
head -n 1 <actual >actual.head &&
test_cmp expect actual.head
'
test_expect_success 'diff --no-index from repo subdir respects config (explicit)' '
echo "diff --git ../../non/git/a ../../non/git/b" >expect &&
test_config -C repo diff.noprefix true &&
test_expect_code 1 \
git -C repo/sub \
diff --no-index ../../non/git/a ../../non/git/b >actual &&
head -n 1 <actual >actual.head &&
test_cmp expect actual.head
'
test_expect_success 'diff --no-index from repo subdir respects config (implicit)' '
echo "diff --git ../../non/git/a ../../non/git/b" >expect &&
test_config -C repo diff.noprefix true &&
test_expect_code 1 \
git -C repo/sub \
diff ../../non/git/a ../../non/git/b >actual &&
head -n 1 <actual >actual.head &&
test_cmp expect actual.head
'
test_done