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8837d33595
The whitespace check printed the value of the wrong variable, i.e. the beginning of the block of blank lines at the EOF (possibly absent) in the old file. As "git diff --check" is used by users to check their changes before making a commit, we should point at the line number in the file after the change. Signed-off-by: Christoph Mallon <christoph.mallon@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
211 lines
4.5 KiB
Bash
Executable file
211 lines
4.5 KiB
Bash
Executable file
#!/bin/sh
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test_description='diff whitespace error detection'
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. ./test-lib.sh
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test_expect_success setup '
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git config diff.color.whitespace "blue reverse" &&
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>F &&
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git add F &&
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echo " Eight SP indent" >>F &&
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echo " HT and SP indent" >>F &&
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echo "With trailing SP " >>F &&
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echo "Carriage ReturnQ" | tr Q "\015" >>F &&
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echo "No problem" >>F &&
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echo >>F
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'
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blue_grep='7;34m' ;# ESC [ 7 ; 3 4 m
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printf "\033[%s" "$blue_grep" >check-grep
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if (grep "$blue_grep" <check-grep | grep "$blue_grep") >/dev/null 2>&1
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then
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grep_a=grep
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elif (grep -a "$blue_grep" <check-grep | grep -a "$blue_grep") >/dev/null 2>&1
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then
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grep_a='grep -a'
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else
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grep_a=grep ;# expected to fail...
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fi
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rm -f check-grep
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prepare_output () {
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git diff --color >output
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$grep_a "$blue_grep" output >error
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$grep_a -v "$blue_grep" output >normal
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}
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test_expect_success default '
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prepare_output
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grep Eight normal >/dev/null &&
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grep HT error >/dev/null &&
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grep With error >/dev/null &&
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grep Return error >/dev/null &&
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grep No normal >/dev/null
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'
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test_expect_success 'without -trail' '
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git config core.whitespace -trail
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prepare_output
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grep Eight normal >/dev/null &&
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grep HT error >/dev/null &&
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grep With normal >/dev/null &&
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grep Return normal >/dev/null &&
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grep No normal >/dev/null
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'
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test_expect_success 'without -trail (attribute)' '
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git config --unset core.whitespace
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echo "F whitespace=-trail" >.gitattributes
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prepare_output
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grep Eight normal >/dev/null &&
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grep HT error >/dev/null &&
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grep With normal >/dev/null &&
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grep Return normal >/dev/null &&
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grep No normal >/dev/null
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'
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test_expect_success 'without -space' '
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rm -f .gitattributes
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git config core.whitespace -space
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prepare_output
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grep Eight normal >/dev/null &&
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grep HT normal >/dev/null &&
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grep With error >/dev/null &&
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grep Return error >/dev/null &&
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grep No normal >/dev/null
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'
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test_expect_success 'without -space (attribute)' '
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git config --unset core.whitespace
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echo "F whitespace=-space" >.gitattributes
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prepare_output
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grep Eight normal >/dev/null &&
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grep HT normal >/dev/null &&
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grep With error >/dev/null &&
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grep Return error >/dev/null &&
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grep No normal >/dev/null
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'
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test_expect_success 'with indent-non-tab only' '
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rm -f .gitattributes
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git config core.whitespace indent,-trailing,-space
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prepare_output
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grep Eight error >/dev/null &&
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grep HT normal >/dev/null &&
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grep With normal >/dev/null &&
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grep Return normal >/dev/null &&
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grep No normal >/dev/null
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'
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test_expect_success 'with indent-non-tab only (attribute)' '
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git config --unset core.whitespace
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echo "F whitespace=indent,-trailing,-space" >.gitattributes
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prepare_output
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grep Eight error >/dev/null &&
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grep HT normal >/dev/null &&
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grep With normal >/dev/null &&
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grep Return normal >/dev/null &&
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grep No normal >/dev/null
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'
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test_expect_success 'with cr-at-eol' '
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rm -f .gitattributes
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git config core.whitespace cr-at-eol
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prepare_output
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grep Eight normal >/dev/null &&
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grep HT error >/dev/null &&
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grep With error >/dev/null &&
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grep Return normal >/dev/null &&
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grep No normal >/dev/null
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'
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test_expect_success 'with cr-at-eol (attribute)' '
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git config --unset core.whitespace
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echo "F whitespace=trailing,cr-at-eol" >.gitattributes
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prepare_output
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grep Eight normal >/dev/null &&
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grep HT error >/dev/null &&
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grep With error >/dev/null &&
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grep Return normal >/dev/null &&
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grep No normal >/dev/null
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'
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test_expect_success 'trailing empty lines (1)' '
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rm -f .gitattributes &&
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test_must_fail git diff --check >output &&
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grep "new blank line at" output &&
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grep "trailing whitespace" output
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'
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test_expect_success 'trailing empty lines (2)' '
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echo "F -whitespace" >.gitattributes &&
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git diff --check >output &&
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! test -s output
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'
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test_expect_success 'checkdiff shows correct line number for trailing blank lines' '
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printf "a\nb\n" > G &&
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git add G &&
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printf "x\nx\nx\na\nb\nc\n\n" > G &&
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[ "$(git diff --check -- G)" = "G:7: new blank line at EOF." ]
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'
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test_expect_success 'do not color trailing cr in context' '
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git config --unset core.whitespace
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rm -f .gitattributes &&
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echo AAAQ | tr Q "\015" >G &&
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git add G &&
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echo BBBQ | tr Q "\015" >>G
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git diff --color G | tr "\015" Q >output &&
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grep "BBB.*${blue_grep}Q" output &&
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grep "AAA.*\[mQ" output
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'
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test_expect_success 'color new trailing blank lines' '
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{ echo a; echo b; echo; echo; } >x &&
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git add x &&
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{ echo a; echo; echo; echo; echo c; echo; echo; echo; echo; } >x &&
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git diff --color x >output &&
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cnt=$($grep_a "${blue_grep}" output | wc -l) &&
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test $cnt = 2
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'
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test_done
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