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path: root/t/diff-lib.sh
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:

_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
sanitize_diff_raw='/^:/s/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]*	/ X X \1#	/'
compare_diff_raw () {
    # When heuristics are improved, the score numbers would change.
    # Ignore them while comparing.
    # Also we do not check SHA1 hash generation in this test, which
    # is a job for t0000-basic.sh

    sed -e "$sanitize_diff_raw" <"$1" >.tmp-1
    sed -e "$sanitize_diff_raw" <"$2" >.tmp-2
    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
}

sanitize_diff_raw_z='/^:/s/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]*$/ X X \1#/'
compare_diff_raw_z () {
    # When heuristics are improved, the score numbers would change.
    # Ignore them while comparing.
    # Also we do not check SHA1 hash generation in this test, which
    # is a job for t0000-basic.sh

    tr '\0' '\012' <"$1" | sed -e "$sanitize_diff_raw_z" >.tmp-1
    tr '\0' '\012' <"$2" | sed -e "$sanitize_diff_raw_z" >.tmp-2
    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
}

compare_diff_patch () {
    # When heuristics are improved, the score numbers would change.
    # Ignore them while comparing.
    sed -e '/^[dis]*imilarity index [0-9]*%$/d' <"$1" >.tmp-1
    sed -e '/^[dis]*imilarity index [0-9]*%$/d' <"$2" >.tmp-2
    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
}