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git/t/diff-lib.sh
H.Merijn Brand 3175b0cfc1 the use of 'tr' in the test suite isn't really portable
Some versions of 'tr' only accept octal codes if entered with three digits,
and therefor misinterpret the '\0' in the test suite.

Some versions of 'tr' reject the (needless) use of character classes.

Signed-off-by: H.Merijn Brand <h.m.brand@xs4all.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-12-17 20:49:18 -08:00

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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" <"$2" >.tmp-2
git diff .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
}
sanitize_diff_raw_z='/^:/s/ '"$_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 '\000' '\012' <"$1" | sed -e "$sanitize_diff_raw_z" >.tmp-1
tr '\000' '\012' <"$2" | sed -e "$sanitize_diff_raw_z" >.tmp-2
git diff .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
/^index [0-9a-f]*\.\.[0-9a-f]/d
' <"$1" >.tmp-1
sed -e '
/^[dis]*imilarity index [0-9]*%$/d
/^index [0-9a-f]*\.\.[0-9a-f]/d
' <"$2" >.tmp-2
git diff .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
}