#!/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' "$PERL_PATH" -e '$/ = 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