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-rwxr-xr-xt/t4015-diff-whitespace.sh213
1 files changed, 137 insertions, 76 deletions
diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh
index 6b087df3dc..88d3026894 100755
--- a/t/t4015-diff-whitespace.sh
+++ b/t/t4015-diff-whitespace.sh
@@ -16,6 +16,8 @@ test_expect_success "Ray Lehtiniemi's example" '
} while (0);
EOF
git update-index --add x &&
+ old_hash_x=$(git hash-object x) &&
+ before=$(git rev-parse --short "$old_hash_x") &&
cat <<-\EOF >x &&
do
@@ -24,10 +26,12 @@ test_expect_success "Ray Lehtiniemi's example" '
}
while (0);
EOF
+ new_hash_x=$(git hash-object x) &&
+ after=$(git rev-parse --short "$new_hash_x") &&
- cat <<-\EOF >expect &&
+ cat <<-EOF >expect &&
diff --git a/x b/x
- index adf3937..6edc172 100644
+ index $before..$after 100644
--- a/x
+++ b/x
@@ -1,3 +1,5 @@
@@ -61,6 +65,8 @@ test_expect_success 'another test, without options' '
EOF
git update-index x &&
+ old_hash_x=$(git hash-object x) &&
+ before=$(git rev-parse --short "$old_hash_x") &&
tr "_" " " <<-\EOF >x &&
_ whitespace at beginning
@@ -70,10 +76,12 @@ test_expect_success 'another test, without options' '
unchanged line
CR at end
EOF
+ new_hash_x=$(git hash-object x) &&
+ after=$(git rev-parse --short "$new_hash_x") &&
- tr "Q_" "\015 " <<-\EOF >expect &&
+ tr "Q_" "\015 " <<-EOF >expect &&
diff --git a/x b/x
- index d99af23..22d9f73 100644
+ index $before..$after 100644
--- a/x
+++ b/x
@@ -1,6 +1,6 @@
@@ -108,9 +116,9 @@ test_expect_success 'another test, without options' '
git diff -w --ignore-cr-at-eol >out &&
test_must_be_empty out &&
- tr "Q_" "\015 " <<-\EOF >expect &&
+ tr "Q_" "\015 " <<-EOF >expect &&
diff --git a/x b/x
- index d99af23..22d9f73 100644
+ index $before..$after 100644
--- a/x
+++ b/x
@@ -1,6 +1,6 @@
@@ -132,9 +140,9 @@ test_expect_success 'another test, without options' '
git diff -b --ignore-cr-at-eol >out &&
test_cmp expect out &&
- tr "Q_" "\015 " <<-\EOF >expect &&
+ tr "Q_" "\015 " <<-EOF >expect &&
diff --git a/x b/x
- index d99af23..22d9f73 100644
+ index $before..$after 100644
--- a/x
+++ b/x
@@ -1,6 +1,6 @@
@@ -154,9 +162,9 @@ test_expect_success 'another test, without options' '
git diff --ignore-space-at-eol --ignore-cr-at-eol >out &&
test_cmp expect out &&
- tr "Q_" "\015 " <<-\EOF >expect &&
+ tr "Q_" "\015 " <<-EOF >expect &&
diff --git a/x b/x
- index_d99af23..22d9f73 100644
+ index_$before..$after 100644
--- a/x
+++ b/x
@@ -1,6 +1,6 @@
@@ -522,13 +530,15 @@ test_expect_success 'ignore-blank-lines: mix changes and blank lines' '
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_must_fail git diff --check >check &&
+ grep "space before tab in indent" check
'
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_must_fail git diff --check >check &&
+ grep "space before tab in indent" check
'
test_expect_success 'check with no whitespace errors' '
@@ -749,20 +759,23 @@ test_expect_success 'check tab-in-indent excluded from wildcard whitespace attri
test_expect_success 'line numbers in --check output are correct' '
echo "" >x &&
echo "foo(); " >>x &&
- git diff --check | grep "x:2:"
+ test_must_fail git diff --check >check &&
+ grep "x:2:" check
'
test_expect_success 'checkdiff detects new trailing blank lines (1)' '
echo "foo();" >x &&
echo "" >>x &&
- git diff --check | grep "new blank line"
+ test_must_fail git diff --check >check &&
+ grep "new blank line" check
'
test_expect_success 'checkdiff detects new trailing blank lines (2)' '
- { echo a; echo b; echo; echo; } >x &&
+ test_write_lines a b "" "" >x &&
git add x &&
- { echo a; echo; echo; echo; echo; } >x &&
- git diff --check | grep "new blank line"
+ test_write_lines a "" "" "" "" >x &&
+ test_must_fail git diff --check >check &&
+ grep "new blank line" check
'
test_expect_success 'checkdiff allows new blank lines' '
@@ -786,23 +799,27 @@ test_expect_success 'whitespace-only changes not reported' '
test_must_be_empty 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 &&
+ hash_x=$(git hash-object x) &&
+ before=$(git rev-parse --short "$hash_x") &&
git commit -m "base" &&
sed -e "5s/^/ /" x >z &&
git rm x &&
git add z &&
- git diff -w -M --cached |
- sed -e "/^similarity index /s/[0-9][0-9]*/NUM/" >actual &&
+ hash_z=$(git hash-object z) &&
+ after=$(git rev-parse --short "$hash_z") &&
+ git diff -w -M --cached >actual.raw &&
+ sed -e "/^similarity index /s/[0-9][0-9]*/NUM/" actual.raw >actual &&
+ cat <<-EOF >expect &&
+ diff --git a/x b/z
+ similarity index NUM%
+ rename from x
+ rename to z
+ index $before..$after 100644
+ EOF
test_cmp expect actual
'
@@ -834,7 +851,8 @@ test_expect_success 'combined diff with autocrlf conversion' '
git config core.autocrlf true &&
test_must_fail git merge master &&
- git diff | sed -e "1,/^@@@/d" >actual &&
+ git diff >actual.raw &&
+ sed -e "1,/^@@@/d" actual.raw >actual &&
! grep "^-" actual
'
@@ -858,13 +876,18 @@ test_expect_success 'diff that introduces a line with only tabs' '
git config core.whitespace blank-at-eol &&
git reset --hard &&
echo "test" >x &&
+ old_hash_x=$(git hash-object x) &&
+ before=$(git rev-parse --short "$old_hash_x") &&
git commit -m "initial" x &&
echo "{NTN}" | tr "NT" "\n\t" >>x &&
- git diff --color | test_decode_color >current &&
+ new_hash_x=$(git hash-object x) &&
+ after=$(git rev-parse --short "$new_hash_x") &&
+ git diff --color >current.raw &&
+ test_decode_color <current.raw >current &&
- cat >expected <<-\EOF &&
+ cat >expected <<-EOF &&
<BOLD>diff --git a/x b/x<RESET>
- <BOLD>index 9daeafb..2874b91 100644<RESET>
+ <BOLD>index $before..$after 100644<RESET>
<BOLD>--- a/x<RESET>
<BOLD>+++ b/x<RESET>
<CYAN>@@ -1 +1,4 @@<RESET>
@@ -883,19 +906,23 @@ test_expect_success 'diff that introduces and removes ws breakages' '
echo "0. blank-at-eol " &&
echo "1. blank-at-eol "
} >x &&
+ old_hash_x=$(git hash-object x) &&
+ before=$(git rev-parse --short "$old_hash_x") &&
git commit -a --allow-empty -m preimage &&
{
echo "0. blank-at-eol " &&
echo "1. still-blank-at-eol " &&
echo "2. and a new line "
} >x &&
+ new_hash_x=$(git hash-object x) &&
+ after=$(git rev-parse --short "$new_hash_x") &&
- git diff --color |
- test_decode_color >current &&
+ git diff --color >current.raw &&
+ test_decode_color <current.raw >current &&
- cat >expected <<-\EOF &&
+ cat >expected <<-EOF &&
<BOLD>diff --git a/x b/x<RESET>
- <BOLD>index d0233a2..700886e 100644<RESET>
+ <BOLD>index $before..$after 100644<RESET>
<BOLD>--- a/x<RESET>
<BOLD>+++ b/x<RESET>
<CYAN>@@ -1,2 +1,3 @@<RESET>
@@ -915,16 +942,20 @@ test_expect_success 'ws-error-highlight test setup' '
echo "0. blank-at-eol " &&
echo "1. blank-at-eol "
} >x &&
+ old_hash_x=$(git hash-object x) &&
+ before=$(git rev-parse --short "$old_hash_x") &&
git commit -a --allow-empty -m preimage &&
{
echo "0. blank-at-eol " &&
echo "1. still-blank-at-eol " &&
echo "2. and a new line "
} >x &&
+ new_hash_x=$(git hash-object x) &&
+ after=$(git rev-parse --short "$new_hash_x") &&
- cat >expect.default-old <<-\EOF &&
+ cat >expect.default-old <<-EOF &&
<BOLD>diff --git a/x b/x<RESET>
- <BOLD>index d0233a2..700886e 100644<RESET>
+ <BOLD>index $before..$after 100644<RESET>
<BOLD>--- a/x<RESET>
<BOLD>+++ b/x<RESET>
<CYAN>@@ -1,2 +1,3 @@<RESET>
@@ -934,9 +965,9 @@ test_expect_success 'ws-error-highlight test setup' '
<GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET>
EOF
- cat >expect.all <<-\EOF &&
+ cat >expect.all <<-EOF &&
<BOLD>diff --git a/x b/x<RESET>
- <BOLD>index d0233a2..700886e 100644<RESET>
+ <BOLD>index $before..$after 100644<RESET>
<BOLD>--- a/x<RESET>
<BOLD>+++ b/x<RESET>
<CYAN>@@ -1,2 +1,3 @@<RESET>
@@ -946,9 +977,9 @@ test_expect_success 'ws-error-highlight test setup' '
<GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET>
EOF
- cat >expect.none <<-\EOF
+ cat >expect.none <<-EOF
<BOLD>diff --git a/x b/x<RESET>
- <BOLD>index d0233a2..700886e 100644<RESET>
+ <BOLD>index $before..$after 100644<RESET>
<BOLD>--- a/x<RESET>
<BOLD>+++ b/x<RESET>
<CYAN>@@ -1,2 +1,3 @@<RESET>
@@ -962,32 +993,32 @@ test_expect_success 'ws-error-highlight test setup' '
test_expect_success 'test --ws-error-highlight option' '
- git diff --color --ws-error-highlight=default,old |
- test_decode_color >current &&
+ git diff --color --ws-error-highlight=default,old >current.raw &&
+ test_decode_color <current.raw >current &&
test_cmp expect.default-old current &&
- git diff --color --ws-error-highlight=all |
- test_decode_color >current &&
+ git diff --color --ws-error-highlight=all >current.raw &&
+ test_decode_color <current.raw >current &&
test_cmp expect.all current &&
- git diff --color --ws-error-highlight=none |
- test_decode_color >current &&
+ git diff --color --ws-error-highlight=none >current.raw &&
+ test_decode_color <current.raw >current &&
test_cmp expect.none current
'
test_expect_success 'test diff.wsErrorHighlight config' '
- git -c diff.wsErrorHighlight=default,old diff --color |
- test_decode_color >current &&
+ git -c diff.wsErrorHighlight=default,old diff --color >current.raw &&
+ test_decode_color <current.raw >current &&
test_cmp expect.default-old current &&
- git -c diff.wsErrorHighlight=all diff --color |
- test_decode_color >current &&
+ git -c diff.wsErrorHighlight=all diff --color >current.raw &&
+ test_decode_color <current.raw >current &&
test_cmp expect.all current &&
- git -c diff.wsErrorHighlight=none diff --color |
- test_decode_color >current &&
+ git -c diff.wsErrorHighlight=none diff --color >current.raw &&
+ test_decode_color <current.raw >current &&
test_cmp expect.none current
'
@@ -995,18 +1026,18 @@ test_expect_success 'test diff.wsErrorHighlight config' '
test_expect_success 'option overrides diff.wsErrorHighlight' '
git -c diff.wsErrorHighlight=none \
- diff --color --ws-error-highlight=default,old |
- test_decode_color >current &&
+ diff --color --ws-error-highlight=default,old >current.raw &&
+ test_decode_color <current.raw >current &&
test_cmp expect.default-old current &&
git -c diff.wsErrorHighlight=default \
- diff --color --ws-error-highlight=all |
- test_decode_color >current &&
+ diff --color --ws-error-highlight=all >current.raw &&
+ test_decode_color <current.raw >current &&
test_cmp expect.all current &&
git -c diff.wsErrorHighlight=all \
- diff --color --ws-error-highlight=none |
- test_decode_color >current &&
+ diff --color --ws-error-highlight=none >current.raw &&
+ test_decode_color <current.raw >current &&
test_cmp expect.none current
'
@@ -1022,14 +1053,16 @@ test_expect_success 'detect moved code, complete file' '
EOF
git add test.c &&
git commit -m "add main function" &&
+ file=$(git rev-parse --short HEAD:test.c) &&
git mv test.c main.c &&
test_config color.diff.oldMoved "normal red" &&
test_config color.diff.newMoved "normal green" &&
- git diff HEAD --color-moved=zebra --color --no-renames | test_decode_color >actual &&
- cat >expected <<-\EOF &&
+ git diff HEAD --color-moved=zebra --color --no-renames >actual.raw &&
+ test_decode_color <actual.raw >actual &&
+ cat >expected <<-EOF &&
<BOLD>diff --git a/main.c b/main.c<RESET>
<BOLD>new file mode 100644<RESET>
- <BOLD>index 0000000..a986c57<RESET>
+ <BOLD>index 0000000..$file<RESET>
<BOLD>--- /dev/null<RESET>
<BOLD>+++ b/main.c<RESET>
<CYAN>@@ -0,0 +1,5 @@<RESET>
@@ -1040,7 +1073,7 @@ test_expect_success 'detect moved code, complete file' '
<BGREEN>+<RESET><BGREEN>}<RESET>
<BOLD>diff --git a/test.c b/test.c<RESET>
<BOLD>deleted file mode 100644<RESET>
- <BOLD>index a986c57..0000000<RESET>
+ <BOLD>index $file..0000000<RESET>
<BOLD>--- a/test.c<RESET>
<BOLD>+++ /dev/null<RESET>
<CYAN>@@ -1,5 +0,0 @@<RESET>
@@ -1094,6 +1127,8 @@ test_expect_success 'detect malicious moved code, inside file' '
EOF
git add main.c test.c &&
git commit -m "add main and test file" &&
+ before_main=$(git rev-parse --short HEAD:main.c) &&
+ before_test=$(git rev-parse --short HEAD:test.c) &&
cat <<-\EOF >main.c &&
#include<stdio.h>
int stuff()
@@ -1126,10 +1161,15 @@ test_expect_success 'detect malicious moved code, inside file' '
bar();
}
EOF
- git diff HEAD --no-renames --color-moved=zebra --color | test_decode_color >actual &&
- cat <<-\EOF >expected &&
+ hash_main=$(git hash-object main.c) &&
+ after_main=$(git rev-parse --short "$hash_main") &&
+ hash_test=$(git hash-object test.c) &&
+ after_test=$(git rev-parse --short "$hash_test") &&
+ git diff HEAD --no-renames --color-moved=zebra --color >actual.raw &&
+ test_decode_color <actual.raw >actual &&
+ cat <<-EOF >expected &&
<BOLD>diff --git a/main.c b/main.c<RESET>
- <BOLD>index 27a619c..7cf9336 100644<RESET>
+ <BOLD>index $before_main..$after_main 100644<RESET>
<BOLD>--- a/main.c<RESET>
<BOLD>+++ b/main.c<RESET>
<CYAN>@@ -5,13 +5,6 @@<RESET> <RESET>printf("Hello ");<RESET>
@@ -1147,7 +1187,7 @@ test_expect_success 'detect malicious moved code, inside file' '
{<RESET>
foo();<RESET>
<BOLD>diff --git a/test.c b/test.c<RESET>
- <BOLD>index 1dc1d85..2bedec9 100644<RESET>
+ <BOLD>index $before_test..$after_test 100644<RESET>
<BOLD>--- a/test.c<RESET>
<BOLD>+++ b/test.c<RESET>
<CYAN>@@ -4,6 +4,13 @@<RESET> <RESET>int bar()<RESET>
@@ -1175,10 +1215,11 @@ test_expect_success 'plain moved code, inside file' '
test_config color.diff.oldMovedAlternative "blue" &&
test_config color.diff.newMovedAlternative "yellow" &&
# needs previous test as setup
- git diff HEAD --no-renames --color-moved=plain --color | test_decode_color >actual &&
- cat <<-\EOF >expected &&
+ git diff HEAD --no-renames --color-moved=plain --color >actual.raw &&
+ test_decode_color <actual.raw >actual &&
+ cat <<-EOF >expected &&
<BOLD>diff --git a/main.c b/main.c<RESET>
- <BOLD>index 27a619c..7cf9336 100644<RESET>
+ <BOLD>index $before_main..$after_main 100644<RESET>
<BOLD>--- a/main.c<RESET>
<BOLD>+++ b/main.c<RESET>
<CYAN>@@ -5,13 +5,6 @@<RESET> <RESET>printf("Hello ");<RESET>
@@ -1196,7 +1237,7 @@ test_expect_success 'plain moved code, inside file' '
{<RESET>
foo();<RESET>
<BOLD>diff --git a/test.c b/test.c<RESET>
- <BOLD>index 1dc1d85..2bedec9 100644<RESET>
+ <BOLD>index $before_test..$after_test 100644<RESET>
<BOLD>--- a/test.c<RESET>
<BOLD>+++ b/test.c<RESET>
<CYAN>@@ -4,6 +4,13 @@<RESET> <RESET>int bar()<RESET>
@@ -1754,7 +1795,8 @@ test_expect_success 'move detection with submodules' '
! grep BRED decoded_actual &&
# nor did we mess with it another way
- git diff --submodule=diff --color | test_decode_color >expect &&
+ git diff --submodule=diff --color >expect.raw &&
+ test_decode_color <expect.raw >expect &&
test_cmp expect decoded_actual &&
rm -rf bananas &&
git submodule deinit bananas
@@ -2008,11 +2050,6 @@ test_expect_success 'compare mixed whitespace delta across moved blocks' '
test_cmp expected actual
'
-# Note that the "6" in the expected hunk header below is funny, since we only
-# show 5 lines (the missing one was blank and thus ignored). This is how
-# --ignore-blank-lines behaves even without --function-context, and this test
-# is just checking the interaction of the two features. Don't take it as an
-# endorsement of that output.
test_expect_success 'combine --ignore-blank-lines with --function-context' '
test_write_lines 1 "" 2 3 4 5 >a &&
test_write_lines 1 2 3 4 >b &&
@@ -2022,6 +2059,7 @@ test_expect_success 'combine --ignore-blank-lines with --function-context' '
cat <<-\EOF >expect &&
@@ -1,6 +1,4 @@
1
+ -
2
3
4
@@ -2030,4 +2068,27 @@ test_expect_success 'combine --ignore-blank-lines with --function-context' '
test_cmp expect actual
'
+test_expect_success 'combine --ignore-blank-lines with --function-context 2' '
+ test_write_lines a b c "" function 1 2 3 4 5 "" 6 7 8 9 >a &&
+ test_write_lines "" a b c "" function 1 2 3 4 5 6 7 8 >b &&
+ test_must_fail git diff --no-index \
+ --ignore-blank-lines --function-context a b >actual.raw &&
+ sed -n "/@@/,\$p" <actual.raw >actual &&
+ cat <<-\EOF >expect &&
+ @@ -5,11 +6,9 @@ c
+ function
+ 1
+ 2
+ 3
+ 4
+ 5
+ -
+ 6
+ 7
+ 8
+ -9
+ EOF
+ test_cmp expect actual
+'
+
test_done