mirror of
https://github.com/git/git.git
synced 2024-12-04 07:24:41 +08:00
5977744d04
* cc/maint-diff-CC-binary: diff: fix "git show -C -C" output when renaming a binary file Conflicts: diff.c
495 lines
10 KiB
Bash
Executable File
495 lines
10 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Copyright (c) 2006 Johannes E. Schindelin
|
|
#
|
|
|
|
test_description='Test special whitespace in diff engine.
|
|
|
|
'
|
|
. ./test-lib.sh
|
|
. "$TEST_DIRECTORY"/diff-lib.sh
|
|
|
|
# Ray Lehtiniemi's example
|
|
|
|
cat << EOF > x
|
|
do {
|
|
nothing;
|
|
} while (0);
|
|
EOF
|
|
|
|
git update-index --add x
|
|
|
|
cat << EOF > x
|
|
do
|
|
{
|
|
nothing;
|
|
}
|
|
while (0);
|
|
EOF
|
|
|
|
cat << EOF > expect
|
|
diff --git a/x b/x
|
|
index adf3937..6edc172 100644
|
|
--- a/x
|
|
+++ b/x
|
|
@@ -1,3 +1,5 @@
|
|
-do {
|
|
+do
|
|
+{
|
|
nothing;
|
|
-} while (0);
|
|
+}
|
|
+while (0);
|
|
EOF
|
|
|
|
git diff > out
|
|
test_expect_success "Ray's example without options" 'test_cmp expect out'
|
|
|
|
git diff -w > out
|
|
test_expect_success "Ray's example with -w" 'test_cmp expect out'
|
|
|
|
git diff -b > out
|
|
test_expect_success "Ray's example with -b" 'test_cmp expect out'
|
|
|
|
tr 'Q' '\015' << EOF > x
|
|
whitespace at beginning
|
|
whitespace change
|
|
whitespace in the middle
|
|
whitespace at end
|
|
unchanged line
|
|
CR at endQ
|
|
EOF
|
|
|
|
git update-index x
|
|
|
|
tr '_' ' ' << EOF > x
|
|
whitespace at beginning
|
|
whitespace change
|
|
white space in the middle
|
|
whitespace at end__
|
|
unchanged line
|
|
CR at end
|
|
EOF
|
|
|
|
tr 'Q_' '\015 ' << EOF > expect
|
|
diff --git a/x b/x
|
|
index d99af23..8b32fb5 100644
|
|
--- a/x
|
|
+++ b/x
|
|
@@ -1,6 +1,6 @@
|
|
-whitespace at beginning
|
|
-whitespace change
|
|
-whitespace in the middle
|
|
-whitespace at end
|
|
+ whitespace at beginning
|
|
+whitespace change
|
|
+white space in the middle
|
|
+whitespace at end__
|
|
unchanged line
|
|
-CR at endQ
|
|
+CR at end
|
|
EOF
|
|
git diff > out
|
|
test_expect_success 'another test, without options' 'test_cmp expect out'
|
|
|
|
cat << EOF > expect
|
|
EOF
|
|
git diff -w > out
|
|
test_expect_success 'another test, with -w' 'test_cmp expect out'
|
|
git diff -w -b > out
|
|
test_expect_success 'another test, with -w -b' 'test_cmp expect out'
|
|
git diff -w --ignore-space-at-eol > out
|
|
test_expect_success 'another test, with -w --ignore-space-at-eol' 'test_cmp expect out'
|
|
git diff -w -b --ignore-space-at-eol > out
|
|
test_expect_success 'another test, with -w -b --ignore-space-at-eol' 'test_cmp expect out'
|
|
|
|
tr 'Q' '\015' << EOF > expect
|
|
diff --git a/x b/x
|
|
index d99af23..8b32fb5 100644
|
|
--- a/x
|
|
+++ b/x
|
|
@@ -1,6 +1,6 @@
|
|
-whitespace at beginning
|
|
+ whitespace at beginning
|
|
whitespace change
|
|
-whitespace in the middle
|
|
+white space in the middle
|
|
whitespace at end
|
|
unchanged line
|
|
CR at endQ
|
|
EOF
|
|
git diff -b > out
|
|
test_expect_success 'another test, with -b' 'test_cmp expect out'
|
|
git diff -b --ignore-space-at-eol > out
|
|
test_expect_success 'another test, with -b --ignore-space-at-eol' 'test_cmp expect out'
|
|
|
|
tr 'Q' '\015' << EOF > expect
|
|
diff --git a/x b/x
|
|
index d99af23..8b32fb5 100644
|
|
--- a/x
|
|
+++ b/x
|
|
@@ -1,6 +1,6 @@
|
|
-whitespace at beginning
|
|
-whitespace change
|
|
-whitespace in the middle
|
|
+ whitespace at beginning
|
|
+whitespace change
|
|
+white space in the middle
|
|
whitespace at end
|
|
unchanged line
|
|
CR at endQ
|
|
EOF
|
|
git diff --ignore-space-at-eol > out
|
|
test_expect_success 'another test, with --ignore-space-at-eol' 'test_cmp expect out'
|
|
|
|
test_expect_success 'check mixed spaces and tabs in indent' '
|
|
|
|
# This is indented with SP HT SP.
|
|
echo " foo();" > x &&
|
|
git diff --check | grep "space before tab in indent"
|
|
|
|
'
|
|
|
|
test_expect_success 'check mixed tabs and spaces in indent' '
|
|
|
|
# This is indented with HT SP HT.
|
|
echo " foo();" > x &&
|
|
git diff --check | grep "space before tab in indent"
|
|
|
|
'
|
|
|
|
test_expect_success 'check with no whitespace errors' '
|
|
|
|
git commit -m "snapshot" &&
|
|
echo "foo();" > x &&
|
|
git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check with trailing whitespace' '
|
|
|
|
echo "foo(); " > x &&
|
|
test_must_fail git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check with space before tab in indent' '
|
|
|
|
# indent has space followed by hard tab
|
|
echo " foo();" > x &&
|
|
test_must_fail git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success '--check and --exit-code are not exclusive' '
|
|
|
|
git checkout x &&
|
|
git diff --check --exit-code
|
|
|
|
'
|
|
|
|
test_expect_success '--check and --quiet are not exclusive' '
|
|
|
|
git diff --check --quiet
|
|
|
|
'
|
|
|
|
test_expect_success 'check staged with no whitespace errors' '
|
|
|
|
echo "foo();" > x &&
|
|
git add x &&
|
|
git diff --cached --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check staged with trailing whitespace' '
|
|
|
|
echo "foo(); " > x &&
|
|
git add x &&
|
|
test_must_fail git diff --cached --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check staged with space before tab in indent' '
|
|
|
|
# indent has space followed by hard tab
|
|
echo " foo();" > x &&
|
|
git add x &&
|
|
test_must_fail git diff --cached --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check with no whitespace errors (diff-index)' '
|
|
|
|
echo "foo();" > x &&
|
|
git add x &&
|
|
git diff-index --check HEAD
|
|
|
|
'
|
|
|
|
test_expect_success 'check with trailing whitespace (diff-index)' '
|
|
|
|
echo "foo(); " > x &&
|
|
git add x &&
|
|
test_must_fail git diff-index --check HEAD
|
|
|
|
'
|
|
|
|
test_expect_success 'check with space before tab in indent (diff-index)' '
|
|
|
|
# indent has space followed by hard tab
|
|
echo " foo();" > x &&
|
|
git add x &&
|
|
test_must_fail git diff-index --check HEAD
|
|
|
|
'
|
|
|
|
test_expect_success 'check staged with no whitespace errors (diff-index)' '
|
|
|
|
echo "foo();" > x &&
|
|
git add x &&
|
|
git diff-index --cached --check HEAD
|
|
|
|
'
|
|
|
|
test_expect_success 'check staged with trailing whitespace (diff-index)' '
|
|
|
|
echo "foo(); " > x &&
|
|
git add x &&
|
|
test_must_fail git diff-index --cached --check HEAD
|
|
|
|
'
|
|
|
|
test_expect_success 'check staged with space before tab in indent (diff-index)' '
|
|
|
|
# indent has space followed by hard tab
|
|
echo " foo();" > x &&
|
|
git add x &&
|
|
test_must_fail git diff-index --cached --check HEAD
|
|
|
|
'
|
|
|
|
test_expect_success 'check with no whitespace errors (diff-tree)' '
|
|
|
|
echo "foo();" > x &&
|
|
git commit -m "new commit" x &&
|
|
git diff-tree --check HEAD^ HEAD
|
|
|
|
'
|
|
|
|
test_expect_success 'check with trailing whitespace (diff-tree)' '
|
|
|
|
echo "foo(); " > x &&
|
|
git commit -m "another commit" x &&
|
|
test_must_fail git diff-tree --check HEAD^ HEAD
|
|
|
|
'
|
|
|
|
test_expect_success 'check with space before tab in indent (diff-tree)' '
|
|
|
|
# indent has space followed by hard tab
|
|
echo " foo();" > x &&
|
|
git commit -m "yet another" x &&
|
|
test_must_fail git diff-tree --check HEAD^ HEAD
|
|
|
|
'
|
|
|
|
test_expect_success 'check trailing whitespace (trailing-space: off)' '
|
|
|
|
git config core.whitespace "-trailing-space" &&
|
|
echo "foo (); " > x &&
|
|
git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check trailing whitespace (trailing-space: on)' '
|
|
|
|
git config core.whitespace "trailing-space" &&
|
|
echo "foo (); " > x &&
|
|
test_must_fail git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check space before tab in indent (space-before-tab: off)' '
|
|
|
|
# indent contains space followed by HT
|
|
git config core.whitespace "-space-before-tab" &&
|
|
echo " foo ();" > x &&
|
|
git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check space before tab in indent (space-before-tab: on)' '
|
|
|
|
# indent contains space followed by HT
|
|
git config core.whitespace "space-before-tab" &&
|
|
echo " foo (); " > x &&
|
|
test_must_fail git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check spaces as indentation (indent-with-non-tab: off)' '
|
|
|
|
git config core.whitespace "-indent-with-non-tab"
|
|
echo " foo ();" > x &&
|
|
git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check spaces as indentation (indent-with-non-tab: on)' '
|
|
|
|
git config core.whitespace "indent-with-non-tab" &&
|
|
echo " foo ();" > x &&
|
|
test_must_fail git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check tabs and spaces as indentation (indent-with-non-tab: on)' '
|
|
|
|
git config core.whitespace "indent-with-non-tab" &&
|
|
echo " foo ();" > x &&
|
|
test_must_fail git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check tabs as indentation (tab-in-indent: off)' '
|
|
|
|
git config core.whitespace "-tab-in-indent" &&
|
|
echo " foo ();" > x &&
|
|
git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check tabs as indentation (tab-in-indent: on)' '
|
|
|
|
git config core.whitespace "tab-in-indent" &&
|
|
echo " foo ();" > x &&
|
|
test_must_fail git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check tabs and spaces as indentation (tab-in-indent: on)' '
|
|
|
|
git config core.whitespace "tab-in-indent" &&
|
|
echo " foo ();" > x &&
|
|
test_must_fail git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check tab-in-indent and indent-with-non-tab conflict' '
|
|
|
|
git config core.whitespace "tab-in-indent,indent-with-non-tab" &&
|
|
echo "foo ();" > x &&
|
|
test_must_fail git diff --check
|
|
|
|
'
|
|
|
|
test_expect_success 'check tab-in-indent excluded from wildcard whitespace attribute' '
|
|
|
|
git config --unset core.whitespace &&
|
|
echo "x whitespace" > .gitattributes &&
|
|
echo " foo ();" > x &&
|
|
git diff --check &&
|
|
rm -f .gitattributes
|
|
|
|
'
|
|
|
|
test_expect_success 'line numbers in --check output are correct' '
|
|
|
|
echo "" > x &&
|
|
echo "foo(); " >> x &&
|
|
git diff --check | grep "x:2:"
|
|
|
|
'
|
|
|
|
test_expect_success 'checkdiff detects new trailing blank lines (1)' '
|
|
echo "foo();" >x &&
|
|
echo "" >>x &&
|
|
git diff --check | grep "new blank line"
|
|
'
|
|
|
|
test_expect_success 'checkdiff detects new trailing blank lines (2)' '
|
|
{ echo a; echo b; echo; echo; } >x &&
|
|
git add x &&
|
|
{ echo a; echo; echo; echo; echo; } >x &&
|
|
git diff --check | grep "new blank line"
|
|
'
|
|
|
|
test_expect_success 'checkdiff allows new blank lines' '
|
|
git checkout x &&
|
|
mv x y &&
|
|
(
|
|
echo "/* This is new */" &&
|
|
echo "" &&
|
|
cat y
|
|
) >x &&
|
|
git diff --check
|
|
'
|
|
|
|
cat <<EOF >expect
|
|
EOF
|
|
test_expect_success 'whitespace-only changes not reported' '
|
|
git reset --hard &&
|
|
echo >x "hello world" &&
|
|
git add x &&
|
|
git commit -m "hello 1" &&
|
|
echo >x "hello world" &&
|
|
git diff -b >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
cat <<EOF >expect
|
|
diff --git a/x b/z
|
|
similarity index NUM%
|
|
rename from x
|
|
rename to z
|
|
index 380c32a..a97b785 100644
|
|
EOF
|
|
test_expect_success 'whitespace-only changes reported across renames' '
|
|
git reset --hard &&
|
|
for i in 1 2 3 4 5 6 7 8 9; do echo "$i$i$i$i$i$i"; done >x &&
|
|
git add x &&
|
|
git commit -m "base" &&
|
|
sed -e "5s/^/ /" x >z &&
|
|
git rm x &&
|
|
git add z &&
|
|
git diff -w -M --cached |
|
|
sed -e "/^similarity index /s/[0-9][0-9]*/NUM/" >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
cat >expected <<\EOF
|
|
diff --git a/empty b/void
|
|
similarity index 100%
|
|
rename from empty
|
|
rename to void
|
|
EOF
|
|
|
|
test_expect_success 'rename empty' '
|
|
git reset --hard &&
|
|
>empty &&
|
|
git add empty &&
|
|
git commit -m empty &&
|
|
git mv empty void &&
|
|
git diff -w --cached -M >current &&
|
|
test_cmp expected current
|
|
'
|
|
|
|
test_expect_success 'combined diff with autocrlf conversion' '
|
|
|
|
git reset --hard &&
|
|
echo >x hello &&
|
|
git commit -m "one side" x &&
|
|
git checkout HEAD^ &&
|
|
echo >x goodbye &&
|
|
git commit -m "the other side" x &&
|
|
git config core.autocrlf true &&
|
|
test_must_fail git merge master &&
|
|
|
|
git diff | sed -e "1,/^@@@/d" >actual &&
|
|
! grep "^-" actual
|
|
|
|
'
|
|
|
|
test_done
|