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#!/bin/sh
#
# Copyright (c) 2006 Junio C Hamano
#
test_description='Binary diff and apply
'
. ./test-lib.sh
cat >expect.binary-numstat <<\EOF
1 1 a
- - b
1 1 c
- - d
EOF
test_expect_success 'prepare repository' '
echo AIT >a && echo BIT >b && echo CIT >c && echo DIT >d &&
git update-index --add a b c d &&
echo git >a &&
cat "$TEST_DIRECTORY"/test-binary-1.png >b &&
echo git >c &&
cat b b >d
'
cat > expected <<\EOF
a | 2 +-
b | Bin
c | 2 +-
d | Bin
4 files changed, 2 insertions(+), 2 deletions(-)
EOF
test_expect_success 'apply --stat output for binary file change' '
git diff >diff &&
git apply --stat --summary <diff >current &&
test_i18ncmp expected current
'
test_expect_success 'diff --shortstat output for binary file change' '
tail -n 1 expected >expect &&
git diff --shortstat >current &&
test_i18ncmp expect current
'
test_expect_success 'diff --shortstat output for binary file change only' '
echo " 1 file changed, 0 insertions(+), 0 deletions(-)" >expected &&
git diff --shortstat -- b >current &&
test_i18ncmp expected current
'
test_expect_success 'apply --numstat notices binary file change' '
git diff >diff &&
git apply --numstat <diff >current &&
test_cmp expect.binary-numstat current
'
test_expect_success 'apply --numstat understands diff --binary format' '
git diff --binary >diff &&
git apply --numstat <diff >current &&
test_cmp expect.binary-numstat current
'
# apply needs to be able to skip the binary material correctly
# in order to report the line number of a corrupt patch.
test_expect_success C_LOCALE_OUTPUT 'apply detecting corrupt patch correctly' '
git diff >output &&
sed -e "s/-CIT/xCIT/" <output >broken &&
test_must_fail git apply --stat --summary broken 2>detected &&
detected=$(cat detected) &&
detected=$(expr "$detected" : "error.*at line \\([0-9]*\\)\$") &&
detected=$(sed -ne "${detected}p" broken) &&
test "$detected" = xCIT
'
test_expect_success C_LOCALE_OUTPUT 'apply detecting corrupt patch correctly' '
git diff --binary | sed -e "s/-CIT/xCIT/" >broken &&
test_must_fail git apply --stat --summary broken 2>detected &&
detected=$(cat detected) &&
detected=$(expr "$detected" : "error.*at line \\([0-9]*\\)\$") &&
detected=$(sed -ne "${detected}p" broken) &&
test "$detected" = xCIT
'
test_expect_success 'initial commit' 'git commit -a -m initial'
# Try removal (b), modification (d), and creation (e).
test_expect_success 'diff-index with --binary' '
echo AIT >a && mv b e && echo CIT >c && cat e >d &&
git update-index --add --remove a b c d e &&
tree0=$(git write-tree) &&
git diff --cached --binary >current &&
git apply --stat --summary current
'
test_expect_success 'apply binary patch' '
git reset --hard &&
git apply --binary --index <current &&
tree1=$(git write-tree) &&
test "$tree1" = "$tree0"
'
test_expect_success 'diff --no-index with binary creation' '
echo Q | q_to_nul >binary &&
(: hide error code from diff, which just indicates differences
git diff --binary --no-index /dev/null binary >current ||
true
) &&
rm binary &&
git apply --binary <current &&
echo Q >expected &&
nul_to_q <binary >actual &&
test_cmp expected actual
'
cat >expect <<EOF
binfile | Bin 0 -> 1026 bytes
textfile | 10000 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF
test_expect_success 'diff --stat with binary files and big change count' '
printf "\01\00%1024d" 1 >binfile &&
git add binfile &&
i=0 &&
while test $i -lt 10000; do
echo $i &&
i=$(($i + 1))
done >textfile &&
git add textfile &&
git diff --cached --stat binfile textfile >output &&
grep " | " output >actual &&
test_cmp expect actual
'
test_done