git/t/t4017-diff-retval.sh
Larry D'Anna 1caaf225f8 git-diff: add a test for git diff --quiet -w
This patch adds two test cases for:

6977c25 git diff --quiet -w: check and report the status

Signed-off-by: Larry D'Anna <larry@elder-gods.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-02-21 21:57:19 -08:00

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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' '
git diff-tree --exit-code HEAD^ HEAD
test $? = 1
'
test_expect_success 'git diff-tree HEAD^ HEAD -- a' '
git diff-tree --exit-code HEAD^ HEAD -- a
test $? = 0
'
test_expect_success 'git diff-tree HEAD^ HEAD -- b' '
git diff-tree --exit-code HEAD^ HEAD -- b
test $? = 1
'
test_expect_success 'echo HEAD | git diff-tree --stdin' '
echo $(git rev-parse HEAD) | git diff-tree --exit-code --stdin
test $? = 1
'
test_expect_success 'git diff-tree HEAD HEAD' '
git diff-tree --exit-code HEAD HEAD
test $? = 0
'
test_expect_success 'git diff-files' '
git diff-files --exit-code
test $? = 0
'
test_expect_success 'git diff-index --cached HEAD' '
git diff-index --exit-code --cached HEAD
test $? = 0
'
test_expect_success 'git diff-index --cached HEAD^' '
git diff-index --exit-code --cached HEAD^
test $? = 1
'
test_expect_success 'git diff-index --cached HEAD^' '
echo text >>b &&
echo 3 >c &&
git add . && {
git diff-index --exit-code --cached HEAD^
test $? = 1
}
'
test_expect_success 'git diff-tree -Stext HEAD^ HEAD -- b' '
git commit -m "text in b" && {
git diff-tree -p --exit-code -Stext HEAD^ HEAD -- b
test $? = 1
}
'
test_expect_success 'git diff-tree -Snot-found HEAD^ HEAD -- b' '
git diff-tree -p --exit-code -Snot-found HEAD^ HEAD -- b
test $? = 0
'
test_expect_success 'git diff-files' '
echo 3 >>c && {
git diff-files --exit-code
test $? = 1
}
'
test_expect_success 'git diff-index --cached HEAD' '
git update-index c && {
git diff-index --exit-code --cached HEAD
test $? = 1
}
'
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 &&
git diff --check --exit-code
test $? = 1
'
test_expect_success '--check --exit-code returns 3 for a dirty difference' '
echo "bad " >> a &&
git diff --check --exit-code
test $? = 3
'
test_expect_success '--check with --no-pager returns 2 for dirty difference' '
git --no-pager diff --check
test $? = 2
'
test_expect_success 'check should test not just the last line' '
echo "" >>a &&
git --no-pager diff --check
test $? = 2
'
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 && (
git --no-pager diff --cached --check >test.out
test $? = 2
) &&
test 3 = $(grep "conflict marker" test.out | wc -l) &&
git reset --hard
'
test_done