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t4017-diff-retval.sh
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#!/bin/sh
test_description='Return value of diffs'
. ./test-lib.sh
test_expect_success 'setup' '
echo "1 " >a &&
git add . &&
git commit -m zeroth &&
echo 1 >a &&
git add . &&
git commit -m first &&
echo 2 >b &&
git add . &&
git commit -a -m second
'
test_expect_success 'git diff --quiet -w HEAD^^ HEAD^' '
git diff --quiet -w HEAD^^ HEAD^
'
test_expect_success 'git diff --quiet HEAD^^ HEAD^' '
test_must_fail git diff --quiet HEAD^^ HEAD^
'
test_expect_success 'git diff --quiet -w HEAD^ HEAD' '
test_must_fail git diff --quiet -w HEAD^ HEAD
'
test_expect_success 'git diff-tree HEAD^ HEAD' '
test_expect_code 1 git diff-tree --exit-code HEAD^ HEAD
'
test_expect_success 'git diff-tree HEAD^ HEAD -- a' '
git diff-tree --exit-code HEAD^ HEAD -- a
'
test_expect_success 'git diff-tree HEAD^ HEAD -- b' '
test_expect_code 1 git diff-tree --exit-code HEAD^ HEAD -- b
'
test_expect_success 'echo HEAD | git diff-tree --stdin' '
echo $(git rev-parse HEAD) | test_expect_code 1 git diff-tree --exit-code --stdin
'
test_expect_success 'git diff-tree HEAD HEAD' '
git diff-tree --exit-code HEAD HEAD
'
test_expect_success 'git diff-files' '
git diff-files --exit-code
'
test_expect_success 'git diff-index --cached HEAD' '
git diff-index --exit-code --cached HEAD
'
test_expect_success 'git diff-index --cached HEAD^' '
test_expect_code 1 git diff-index --exit-code --cached HEAD^
'
test_expect_success 'git diff-index --cached HEAD^' '
echo text >>b &&
echo 3 >c &&
git add . &&
test_expect_code 1 git diff-index --exit-code --cached HEAD^
'
test_expect_success 'git diff-tree -Stext HEAD^ HEAD -- b' '
git commit -m "text in b" &&
test_expect_code 1 git diff-tree -p --exit-code -Stext HEAD^ HEAD -- b
'
test_expect_success 'git diff-tree -Snot-found HEAD^ HEAD -- b' '
git diff-tree -p --exit-code -Snot-found HEAD^ HEAD -- b
'
test_expect_success 'git diff-files' '
echo 3 >>c &&
test_expect_code 1 git diff-files --exit-code
'
test_expect_success 'git diff-index --cached HEAD' '
git update-index c &&
test_expect_code 1 git diff-index --exit-code --cached HEAD
'
test_expect_success '--check --exit-code returns 0 for no difference' '
git diff --check --exit-code
'
test_expect_success '--check --exit-code returns 1 for a clean difference' '
echo "good" > a &&
test_expect_code 1 git diff --check --exit-code
'
test_expect_success '--check --exit-code returns 3 for a dirty difference' '
echo "bad " >> a &&
test_expect_code 3 git diff --check --exit-code
'
test_expect_success '--check with --no-pager returns 2 for dirty difference' '
test_expect_code 2 git --no-pager diff --check
'
test_expect_success 'check should test not just the last line' '
echo "" >>a &&
test_expect_code 2 git --no-pager diff --check
'
test_expect_success 'check detects leftover conflict markers' '
git reset --hard &&
git checkout HEAD^ &&
echo binary >>b &&
git commit -m "side" b &&
test_must_fail git merge master &&
git add b &&
test_expect_code 2 git --no-pager diff --cached --check >test.out &&
test 3 = $(grep "conflict marker" test.out | wc -l) &&
git reset --hard
'
test_expect_success 'check honors conflict marker length' '
git reset --hard &&
echo ">>>>>>> boo" >>b &&
echo "======" >>a &&
git diff --check a &&
test_expect_code 2 git diff --check b &&
git reset --hard &&
echo ">>>>>>>> boo" >>b &&
echo "========" >>a &&
git diff --check &&
echo "b conflict-marker-size=8" >.gitattributes &&
test_expect_code 2 git diff --check b &&
git diff --check a &&
git reset --hard
'
test_done