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41a457e4f8
Currently textconv helpers are run directly. Running through the shell is useful because the user can provide a program with command line arguments, like "antiword -f". It also makes textconv more consistent with other parts of git, most of which run their helpers using the shell. The downside is that textconv helpers with shell metacharacters (like space) in the filename will be broken. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
68 lines
1.3 KiB
Bash
Executable file
68 lines
1.3 KiB
Bash
Executable file
#!/bin/sh
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test_description='rewrite diff on binary file'
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. ./test-lib.sh
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# We must be large enough to meet the MINIMUM_BREAK_SIZE
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# requirement.
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make_file() {
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# common first line to help identify rewrite versus regular diff
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printf "=\n" >file
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for i in 1 2 3 4 5 6 7 8 9 10
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do
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for j in 1 2 3 4 5 6 7 8 9
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do
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for k in 1 2 3 4 5
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do
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printf "$1\n"
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done
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done
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done >>file
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}
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test_expect_success 'create binary file with changes' '
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make_file "\\0" &&
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git add file &&
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make_file "\\01"
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'
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test_expect_success 'vanilla diff is binary' '
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git diff >diff &&
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grep "Binary files a/file and b/file differ" diff
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'
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test_expect_success 'rewrite diff is binary' '
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git diff -B >diff &&
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grep "dissimilarity index" diff &&
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grep "Binary files a/file and b/file differ" diff
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'
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test_expect_success 'rewrite diff can show binary patch' '
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git diff -B --binary >diff &&
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grep "dissimilarity index" diff &&
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grep "GIT binary patch" diff
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'
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{
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echo "#!$SHELL_PATH"
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cat <<'EOF'
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perl -e '$/ = undef; $_ = <>; s/./ord($&)/ge; print $_' < "$1"
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EOF
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} >dump
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chmod +x dump
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test_expect_success 'setup textconv' '
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echo file diff=foo >.gitattributes &&
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git config diff.foo.textconv "\"$PWD\""/dump
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'
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test_expect_success 'rewrite diff respects textconv' '
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git diff -B >diff &&
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grep "dissimilarity index" diff &&
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grep "^-61" diff &&
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grep "^-0" diff
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'
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test_done
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