mirror of
https://github.com/git/git.git
synced 2024-10-30 05:47:53 +01:00
d55aeb7687
The strbuf_add_commented_lines() function passes a pair of prefixes, one to be used for a non-empty line, and the other for an empty line, to underlying add_lines(). The former is set to a comment char followed by a SP, while the latter is set to just the comment char. This is designed to give a SP after the comment character, e.g. "# <user text>\n", on a line with some text, and to avoid emitting an unsightly "# \n" for an empty line. Teach this machinery to also use the latter space-less prefix when the payload line begins with a tab, to show e.g. "#\t<user text>\n"; otherwise we will end up showing "# \t<user text>\n" which is similarly unsightly. Signed-off-by: Junio C Hamano <gitster@pobox.com>
441 lines
14 KiB
Bash
Executable file
441 lines
14 KiB
Bash
Executable file
#!/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 "$ttt" >expect &&
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git stripspace <expect >actual &&
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test_cmp expect actual &&
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echo "$ttt$ttt" >expect &&
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git stripspace <expect >actual &&
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test_cmp expect actual &&
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echo "$ttt$ttt$ttt" >expect &&
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git stripspace <expect >actual &&
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test_cmp expect actual &&
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echo "$ttt$ttt$ttt$ttt" >expect &&
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git stripspace <expect >actual &&
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test_cmp 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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test_cmp expect actual &&
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echo "$sss$sss$ttt" >expect &&
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git stripspace <expect >actual &&
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test_cmp expect actual &&
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echo "$sss$sss$sss$ttt" >expect &&
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git stripspace <expect >actual &&
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test_cmp expect actual
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'
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test_expect_success \
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'lines with intermediate spaces should be unchanged' '
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echo "$ttt$sss$ttt" >expect &&
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git stripspace <expect >actual &&
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test_cmp expect actual &&
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echo "$ttt$sss$sss$ttt" >expect &&
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git stripspace <expect >actual &&
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test_cmp 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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test_cmp 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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test_cmp 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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test_cmp 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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test_cmp 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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test_cmp 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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test_cmp expect actual &&
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printf "$ttt\n\n$ttt\n" > expect &&
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printf "$ttt\n\t\n \n\n \t\t\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt$ttt\n\n$ttt\n" > expect &&
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printf "$ttt$ttt\n\t\n \n\n \t\t\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt$ttt$ttt\n\n$ttt\n" > expect &&
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printf "$ttt$ttt$ttt\n\t\n \n\n \t\t\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n\n$ttt\n" > expect &&
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printf "$ttt\n\t\n \n\n \t\t\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n\n$ttt$ttt\n" > expect &&
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printf "$ttt\n\t\n \n\n \t\t\n$ttt$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n\n$ttt$ttt$ttt\n" > expect &&
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printf "$ttt\n\t\n \n\n \t\t\n$ttt$ttt$ttt\n" | git stripspace >actual &&
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test_cmp expect actual
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'
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test_expect_success \
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'only consecutive blank lines should be completely removed' '
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> expect &&
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printf "\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "\n\n\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$sss\n$sss\n$sss\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$sss$sss\n$sss\n\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "\n$sss\n$sss$sss\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$sss$sss$sss$sss\n\n\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "\n$sss$sss$sss$sss\n\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "\n\n$sss$sss$sss$sss\n" | git stripspace >actual &&
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test_cmp expect actual
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'
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test_expect_success \
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'consecutive blank lines at the beginning should be removed' '
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printf "$ttt\n" > expect &&
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printf "\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n" > expect &&
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printf "\n\n\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt$ttt\n" > expect &&
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printf "\n\n\n$ttt$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt$ttt$ttt\n" > expect &&
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printf "\n\n\n$ttt$ttt$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt$ttt$ttt$ttt\n" > expect &&
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printf "\n\n\n$ttt$ttt$ttt$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n" > expect &&
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printf "$sss\n$sss\n$sss\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "\n$sss\n$sss$sss\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$sss$sss\n$sss\n\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$sss$sss$sss\n\n\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "\n$sss$sss$sss\n\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "\n\n$sss$sss$sss\n$ttt\n" | git stripspace >actual &&
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test_cmp 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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test_cmp 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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test_cmp 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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test_cmp 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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test_cmp 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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test_cmp expect actual &&
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printf "$ttt\n" > expect &&
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printf "$ttt\n$sss\n$sss\n$sss\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n\n$sss\n$sss$sss\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n$sss$sss\n$sss\n\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n$sss$sss$sss\n\n\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n\n$sss$sss$sss\n\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n\n\n$sss$sss$sss\n" | git stripspace >actual &&
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test_cmp 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$sss" | git stripspace | wc -l) -gt 0
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'
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test_expect_success \
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'text plus spaces without newline at end should not show spaces' '
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! (printf "$ttt$sss" | git stripspace | grep " " >/dev/null) &&
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! (printf "$ttt$ttt$sss" | git stripspace | grep " " >/dev/null) &&
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! (printf "$ttt$ttt$ttt$sss" | git stripspace | grep " " >/dev/null) &&
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! (printf "$ttt$sss$sss" | git stripspace | grep " " >/dev/null) &&
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! (printf "$ttt$ttt$sss$sss" | git stripspace | grep " " >/dev/null) &&
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! (printf "$ttt$sss$sss$sss" | git stripspace | grep " " >/dev/null)
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'
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test_expect_success \
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'text plus spaces without newline should show the correct lines' '
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printf "$ttt\n" >expect &&
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printf "$ttt$sss" | git stripspace >actual &&
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test_cmp 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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test_cmp expect actual &&
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printf "$ttt\n" >expect &&
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printf "$ttt$sss$sss$sss" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt$ttt\n" >expect &&
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printf "$ttt$ttt$sss" | git stripspace >actual &&
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test_cmp 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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test_cmp expect actual &&
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printf "$ttt$ttt$ttt\n" >expect &&
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printf "$ttt$ttt$ttt$sss" | git stripspace >actual &&
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test_cmp expect actual
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'
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test_expect_success \
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'text plus spaces at end should not show spaces' '
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! (echo "$ttt$sss" | git stripspace | grep " " >/dev/null) &&
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! (echo "$ttt$ttt$sss" | git stripspace | grep " " >/dev/null) &&
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! (echo "$ttt$ttt$ttt$sss" | git stripspace | grep " " >/dev/null) &&
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! (echo "$ttt$sss$sss" | git stripspace | grep " " >/dev/null) &&
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! (echo "$ttt$ttt$sss$sss" | git stripspace | grep " " >/dev/null) &&
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! (echo "$ttt$sss$sss$sss" | git stripspace | grep " " >/dev/null)
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'
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test_expect_success \
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'text plus spaces at end should be cleaned and newline must remain' '
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echo "$ttt" >expect &&
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echo "$ttt$sss" | git stripspace >actual &&
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test_cmp expect actual &&
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echo "$ttt" >expect &&
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echo "$ttt$sss$sss" | git stripspace >actual &&
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test_cmp expect actual &&
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echo "$ttt" >expect &&
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echo "$ttt$sss$sss$sss" | git stripspace >actual &&
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test_cmp expect actual &&
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echo "$ttt$ttt" >expect &&
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echo "$ttt$ttt$sss" | git stripspace >actual &&
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test_cmp 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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test_cmp expect actual &&
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echo "$ttt$ttt$ttt" >expect &&
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echo "$ttt$ttt$ttt$sss" | git stripspace >actual &&
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test_cmp expect actual
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'
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# spaces only:
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test_expect_success \
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'spaces with newline at end should be replaced with empty string' '
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printf "" >expect &&
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echo | git stripspace >actual &&
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test_cmp expect actual &&
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echo "$sss" | git stripspace >actual &&
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test_cmp expect actual &&
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echo "$sss$sss" | git stripspace >actual &&
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test_cmp expect actual &&
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echo "$sss$sss$sss" | git stripspace >actual &&
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test_cmp expect actual &&
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echo "$sss$sss$sss$sss" | git stripspace >actual &&
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test_cmp expect actual
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'
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test_expect_success \
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'spaces without newline at end should not show spaces' '
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! (printf "" | git stripspace | grep " " >/dev/null) &&
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! (printf "$sss" | git stripspace | grep " " >/dev/null) &&
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! (printf "$sss$sss" | git stripspace | grep " " >/dev/null) &&
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! (printf "$sss$sss$sss" | git stripspace | grep " " >/dev/null) &&
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! (printf "$sss$sss$sss$sss" | git stripspace | grep " " >/dev/null)
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'
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test_expect_success \
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'spaces without newline at end should be replaced with empty string' '
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printf "" >expect &&
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printf "" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$sss$sss" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$sss$sss$sss" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$sss$sss$sss$sss" | git stripspace >actual &&
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test_cmp expect actual
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'
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test_expect_success \
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'consecutive text lines should be unchanged' '
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printf "$ttt$ttt\n$ttt\n" >expect &&
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printf "$ttt$ttt\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n$ttt$ttt\n$ttt\n" >expect &&
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printf "$ttt\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" >expect &&
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printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" >expect &&
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printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" >expect &&
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printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
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test_cmp expect actual &&
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printf "$ttt\n$ttt$ttt\n\n$ttt\n" >expect &&
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printf "$ttt\n$ttt$ttt\n\n$ttt\n" | git stripspace >actual &&
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test_cmp expect actual
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'
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test_expect_success 'strip comments, too' '
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test ! -z "$(echo "# comment" | git stripspace)" &&
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test -z "$(echo "# comment" | git stripspace -s)"
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'
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test_expect_success 'strip comments with changed comment char' '
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test ! -z "$(echo "; comment" | git -c core.commentchar=";" stripspace)" &&
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test -z "$(echo "; comment" | git -c core.commentchar=";" stripspace -s)"
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'
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test_expect_success '-c with single line' '
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printf "# foo\n" >expect &&
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printf "foo" | git stripspace -c >actual &&
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test_cmp expect actual
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'
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test_expect_success '-c with single line followed by empty line' '
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printf "# foo\n#\n" >expect &&
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printf "foo\n\n" | git stripspace -c >actual &&
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test_cmp expect actual
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'
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test_expect_success '-c with newline only' '
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printf "#\n" >expect &&
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printf "\n" | git stripspace -c >actual &&
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test_cmp expect actual
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'
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test_expect_success '--comment-lines with single line' '
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printf "# foo\n" >expect &&
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printf "foo" | git stripspace -c >actual &&
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test_cmp expect actual
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'
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test_expect_success '-c with changed comment char' '
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printf "; foo\n" >expect &&
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printf "foo" | git -c core.commentchar=";" stripspace -c >actual &&
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test_cmp expect actual
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'
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test_expect_success 'avoid SP-HT sequence in commented line' '
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printf "#\tone\n#\n# two\n" >expect &&
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printf "\tone\n\ntwo\n" | git stripspace -c >actual &&
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test_cmp expect actual
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'
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test_done
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