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690ed84363
Since the coloring logic processed the patch output one line at a time, we couldn't easily color code the new blank lines at the end of file. Reuse the adds_blank_at_eof() function to find where the runs of such blank lines start, keep track of the line number in the preimage while processing the patch output one line at a time, and paint the new blank lines that appear after that line to implement this. Signed-off-by: Junio C Hamano <gitster@pobox.com>
203 lines
4.5 KiB
Bash
Executable file
203 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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test_expect_success default '
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git diff --color >output
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grep "$blue_grep" output >error
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grep -v "$blue_grep" output >normal
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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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git diff --color >output
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grep "$blue_grep" output >error
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grep -v "$blue_grep" output >normal
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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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git diff --color >output
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grep "$blue_grep" output >error
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grep -v "$blue_grep" output >normal
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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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git diff --color >output
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grep "$blue_grep" output >error
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grep -v "$blue_grep" output >normal
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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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git diff --color >output
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grep "$blue_grep" output >error
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grep -v "$blue_grep" output >normal
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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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git diff --color >output
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grep "$blue_grep" output >error
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grep -v "$blue_grep" output >normal
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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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git diff --color >output
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grep "$blue_grep" output >error
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grep -v "$blue_grep" output >normal
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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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git diff --color >output
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grep "$blue_grep" output >error
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grep -v "$blue_grep" output >normal
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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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git diff --color >output
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grep "$blue_grep" output >error
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grep -v "$blue_grep" output >normal
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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 '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; } >x &&
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git diff --color x >output &&
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cnt=$(grep "${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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