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Add test script for git-stripspace.
These tests check some features that git-stripspace already has and those that it should manage well: Removing trailing spaces from lines, removing blank lines at the beginning and end, unifying multiple lines between paragraphs, doing the correct when there is no newline at the last line, etc. It seems that the implementation needs to save the whole line in memory to be able to manage correctly long lines with text and spaces conveniently distribuited on them. Signed-off-by: Carlos Rica <jasampler@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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‎t/t0030-stripspace.sh‎

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#!/bin/sh
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#
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# Copyright (c) 2007 Carlos Rica
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#
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test_description='git-stripspace'
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. ./test-lib.sh
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t40='A quick brown fox jumps over the lazy do'
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s40=' '
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sss="$s40$s40$s40$s40$s40$s40$s40$s40$s40$s40" # 400
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ttt="$t40$t40$t40$t40$t40$t40$t40$t40$t40$t40" # 400
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test_expect_success \
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'long lines without spaces should be unchanged' '
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echo "$ttt" >expect &&
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git-stripspace <expect >actual &&
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git diff expect actual &&
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echo "$ttt$ttt" >expect &&
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git-stripspace <expect >actual &&
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git diff expect actual &&
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echo "$ttt$ttt$ttt" >expect &&
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git-stripspace <expect >actual &&
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git diff expect actual &&
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echo "$ttt$ttt$ttt$ttt" >expect &&
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git-stripspace <expect >actual &&
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git diff expect actual
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'
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test_expect_success \
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'lines with spaces at the beginning should be unchanged' '
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echo "$sss$ttt" >expect &&
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git-stripspace <expect >actual &&
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git diff expect actual &&
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echo "$sss$sss$ttt" >expect &&
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git-stripspace <expect >actual &&
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git diff expect actual &&
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echo "$sss$sss$sss$ttt" >expect &&
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git-stripspace <expect >actual &&
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git diff expect actual
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'
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test_expect_success \
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'lines with intermediate spaces should be unchanged' '
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echo "$ttt$sss$ttt" >expect &&
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git-stripspace <expect >actual &&
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git diff expect actual &&
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echo "$ttt$sss$sss$ttt" >expect &&
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git-stripspace <expect >actual &&
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git diff expect actual
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'
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test_expect_success \
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'consecutive blank lines should be unified' '
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printf "$ttt\n\n$ttt\n" > expect &&
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printf "$ttt\n\n\n\n\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt\n\n$ttt\n" > expect &&
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printf "$ttt$ttt\n\n\n\n\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt$ttt\n\n$ttt\n" > expect &&
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printf "$ttt$ttt$ttt\n\n\n\n\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n\n$ttt\n" > expect &&
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printf "$ttt\n\n\n\n\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n\n$ttt$ttt\n" > expect &&
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printf "$ttt\n\n\n\n\n$ttt$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n\n$ttt$ttt$ttt\n" > expect &&
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printf "$ttt\n\n\n\n\n$ttt$ttt$ttt\n" | git-stripspace >actual &&
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git diff expect actual
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'
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test_expect_success \
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'consecutive blank lines at the beginning should be removed' '
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printf "" > expect &&
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printf "\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "" > expect &&
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printf "\n\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "" > expect &&
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printf "$sss\n$sss\n$sss\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "" > expect &&
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printf "$sss$sss\n$sss\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "" > expect &&
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printf "\n$sss\n$sss$sss\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "" > expect &&
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printf "$sss$sss$sss$sss\n\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "" > expect &&
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printf "\n$sss$sss$sss$sss\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "" > expect &&
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printf "\n\n$sss$sss$sss$sss\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "\n\n\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt\n" > expect &&
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printf "\n\n\n$ttt$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt$ttt\n" > expect &&
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printf "\n\n\n$ttt$ttt$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt$ttt$ttt\n" > expect &&
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printf "\n\n\n$ttt$ttt$ttt$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$sss\n$sss\n$sss\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "\n$sss\n$sss$sss\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$sss$sss\n$sss\n\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$sss$sss$sss\n\n\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "\n$sss$sss$sss\n\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "\n\n$sss$sss$sss\n$ttt\n" | git-stripspace >actual &&
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git diff expect actual
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'
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test_expect_success \
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'consecutive blank lines at the end should be removed' '
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printf "$ttt\n" > expect &&
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printf "$ttt\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$ttt\n\n\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt\n" > expect &&
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printf "$ttt$ttt\n\n\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt$ttt\n" > expect &&
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printf "$ttt$ttt$ttt\n\n\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt$ttt$ttt\n" > expect &&
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printf "$ttt$ttt$ttt$ttt\n\n\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$ttt\n$sss\n$sss\n$sss\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$ttt\n\n$sss\n$sss$sss\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$ttt\n$sss$sss\n$sss\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$ttt\n$sss$sss$sss\n\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$ttt\n\n$sss$sss$sss\n\n" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" > expect &&
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printf "$ttt\n\n\n$sss$sss$sss\n" | git-stripspace >actual &&
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git diff expect actual
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'
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test_expect_success \
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'text without newline at end should end with newline' '
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test `printf "$ttt" | git-stripspace | wc -l` -gt 0 &&
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test `printf "$ttt$ttt" | git-stripspace | wc -l` -gt 0 &&
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test `printf "$ttt$ttt$ttt" | git-stripspace | wc -l` -gt 0 &&
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test `printf "$ttt$ttt$ttt$ttt" | git-stripspace | wc -l` -gt 0
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'
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# text plus spaces at the end:
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test_expect_success \
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'text plus spaces without newline at end should end with newline' '
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test `printf "$ttt$sss" | git-stripspace | wc -l` -gt 0 &&
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test `printf "$ttt$ttt$sss" | git-stripspace | wc -l` -gt 0 &&
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test `printf "$ttt$ttt$ttt$sss" | git-stripspace | wc -l` -gt 0
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test `printf "$ttt$sss$sss" | git-stripspace | wc -l` -gt 0 &&
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test `printf "$ttt$ttt$sss$sss" | git-stripspace | wc -l` -gt 0 &&
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test `printf "$ttt$sss$sss$sss" | git-stripspace | wc -l` -gt 0
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'
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test_expect_failure \
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'text plus spaces without newline at end should not show spaces' '
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printf "$ttt$sss" | git-stripspace | grep -q " " ||
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printf "$ttt$ttt$sss" | git-stripspace | grep -q " " ||
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printf "$ttt$ttt$ttt$sss" | git-stripspace | grep -q " " ||
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printf "$ttt$sss$sss" | git-stripspace | grep -q " " ||
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printf "$ttt$ttt$sss$sss" | git-stripspace | grep -q " " ||
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printf "$ttt$sss$sss$sss" | git-stripspace | grep -q " "
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'
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test_expect_success \
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'text plus spaces without newline should show the correct lines' '
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printf "$ttt\n" >expect &&
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printf "$ttt$sss" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" >expect &&
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printf "$ttt$sss$sss" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt\n" >expect &&
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printf "$ttt$sss$sss$sss" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt\n" >expect &&
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printf "$ttt$ttt$sss" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt\n" >expect &&
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printf "$ttt$ttt$sss$sss" | git-stripspace >actual &&
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git diff expect actual &&
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printf "$ttt$ttt$ttt\n" >expect &&
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printf "$ttt$ttt$ttt$sss" | git-stripspace >actual &&
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git diff expect actual
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'
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test_expect_failure \
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'text plus spaces at end should not show spaces' '
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echo "$ttt$sss" | git-stripspace | grep -q " " ||
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echo "$ttt$ttt$sss" | git-stripspace | grep -q " " ||
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echo "$ttt$ttt$ttt$sss" | git-stripspace | grep -q " " ||
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echo "$ttt$sss$sss" | git-stripspace | grep -q " " ||
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echo "$ttt$ttt$sss$sss" | git-stripspace | grep -q " " ||
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echo "$ttt$sss$sss$sss" | git-stripspace | grep -q " "
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'
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test_expect_success \
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'text plus spaces at end should be cleaned and newline must remain' '
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echo "$ttt" >expect &&
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echo "$ttt$sss" | git-stripspace >actual &&
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git diff expect actual &&
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echo "$ttt" >expect &&
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echo "$ttt$sss$sss" | git-stripspace >actual &&
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git diff expect actual &&
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echo "$ttt" >expect &&
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echo "$ttt$sss$sss$sss" | git-stripspace >actual &&
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git diff expect actual &&
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echo "$ttt$ttt" >expect &&
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echo "$ttt$ttt$sss" | git-stripspace >actual &&
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git diff expect actual &&
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echo "$ttt$ttt" >expect &&
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echo "$ttt$ttt$sss$sss" | git-stripspace >actual &&
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git diff expect actual &&
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echo "$ttt$ttt$ttt" >expect &&
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echo "$ttt$ttt$ttt$sss" | git-stripspace >actual &&
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git diff expect actual
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'
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# spaces only:
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test_expect_success \
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'spaces with newline at end should be replaced with empty string' '
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printf "" >expect &&
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echo | git-stripspace >actual &&
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git diff expect actual &&
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echo "$sss" | git-stripspace >actual &&
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git diff expect actual &&
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echo "$sss$sss" | git-stripspace >actual &&
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git diff expect actual &&
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echo "$sss$sss$sss" | git-stripspace >actual &&
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git diff expect actual &&
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echo "$sss$sss$sss$sss" | git-stripspace >actual &&
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git diff expect actual
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'
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test_expect_failure \
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'spaces without newline at end should not show spaces' '
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printf "" | git-stripspace | grep -q " " ||
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printf "$sss" | git-stripspace | grep -q " " ||
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printf "$sss$sss" | git-stripspace | grep -q " " ||
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printf "$sss$sss$sss" | git-stripspace | grep -q " " ||
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printf "$sss$sss$sss$sss" | git-stripspace | grep -q " "
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'
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test_expect_success \
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'spaces without newline at end should be replaced with empty string' '
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printf "" >expect &&
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printf "" | git-stripspace >actual &&
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git diff expect actual
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printf "$sss$sss" | git-stripspace >actual &&
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git diff expect actual
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printf "$sss$sss$sss" | git-stripspace >actual &&
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git diff expect actual
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printf "$sss$sss$sss$sss" | git-stripspace >actual &&
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git diff expect actual
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'
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test_done

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