git/t/t4031-diff-rewrite-binary.sh
Jonathan Nieder 6dd88832e7 diffstat summary line varies by locale: miscellany
These changes are in the same spirit as the six patches that
precede them, but they haven't been split into individually
justifiable patches yet.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-13 14:26:33 -07:00

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#!/bin/sh
test_description='rewrite diff on binary file'
. ./test-lib.sh
# We must be large enough to meet the MINIMUM_BREAK_SIZE
# requirement.
make_file() {
# common first line to help identify rewrite versus regular diff
printf "=\n" >file
for i in 1 2 3 4 5 6 7 8 9 10
do
for j in 1 2 3 4 5 6 7 8 9
do
for k in 1 2 3 4 5
do
printf "$1\n"
done
done
done >>file
}
test_expect_success 'create binary file with changes' '
make_file "\\0" &&
git add file &&
make_file "\\01"
'
test_expect_success 'vanilla diff is binary' '
git diff >diff &&
grep "Binary files a/file and b/file differ" diff
'
test_expect_success 'rewrite diff is binary' '
git diff -B >diff &&
grep "dissimilarity index" diff &&
grep "Binary files a/file and b/file differ" diff
'
test_expect_success 'rewrite diff can show binary patch' '
git diff -B --binary >diff &&
grep "dissimilarity index" diff &&
grep "GIT binary patch" diff
'
test_expect_success 'rewrite diff --numstat shows binary changes' '
git diff -B --numstat --summary >diff &&
grep -e "- - " diff &&
grep " rewrite file" diff
'
test_expect_success 'diff --stat counts binary rewrite as 0 lines' '
git diff -B --stat --summary >diff &&
grep "Bin" diff &&
test_i18ngrep "0 insertions.*0 deletions" diff &&
grep " rewrite file" diff
'
{
echo "#!$SHELL_PATH"
cat <<'EOF'
perl -e '$/ = undef; $_ = <>; s/./ord($&)/ge; print $_' < "$1"
EOF
} >dump
chmod +x dump
test_expect_success 'setup textconv' '
echo file diff=foo >.gitattributes &&
git config diff.foo.textconv "\"$(pwd)\""/dump
'
test_expect_success 'rewrite diff respects textconv' '
git diff -B >diff &&
grep "dissimilarity index" diff &&
grep "^-61" diff &&
grep "^-0" diff
'
test_done