summaryrefslogtreecommitdiff
path: root/t/t4017-diff-retval.sh
diff options
context:
space:
mode:
Diffstat (limited to 't/t4017-diff-retval.sh')
-rwxr-xr-xt/t4017-diff-retval.sh166
1 files changed, 166 insertions, 0 deletions
diff --git a/t/t4017-diff-retval.sh b/t/t4017-diff-retval.sh
new file mode 100755
index 0000000..6158985
--- /dev/null
+++ b/t/t4017-diff-retval.sh
@@ -0,0 +1,166 @@
+#!/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_expect_success 'check honors conflict marker length' '
+ git reset --hard &&
+ echo ">>>>>>> boo" >>b &&
+ echo "======" >>a &&
+ git diff --check a &&
+ (
+ git diff --check b
+ test $? = 2
+ ) &&
+ git reset --hard &&
+ echo ">>>>>>>> boo" >>b &&
+ echo "========" >>a &&
+ git diff --check &&
+ echo "b conflict-marker-size=8" >.gitattributes &&
+ (
+ git diff --check b
+ test $? = 2
+ ) &&
+ git diff --check a &&
+ git reset --hard
+'
+
+test_done