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74f16b0c6f
All of these violations are necessary parts of the tests
(which are generally checking the behavior of trailing
whitespace, or contain diff fragments with empty lines).
Our solution is two-fold:
1. Process input with whitespace problems using tr. This
has the added bonus that it becomes very obvious where
the bogus whitespace is intended to go.
2. Move large diff fragments into their own supplemental
files. This gets rid of the whitespace problem, since
supplemental files are not checked, and it also makes
the test script a bit easier to read.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
339 lines
6.3 KiB
Bash
Executable file
339 lines
6.3 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2006 Johannes E. Schindelin
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#
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test_description='Test special whitespace in diff engine.
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'
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. ./test-lib.sh
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. ../diff-lib.sh
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# Ray Lehtiniemi's example
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cat << EOF > x
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do {
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nothing;
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} while (0);
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EOF
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git update-index --add x
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cat << EOF > x
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do
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{
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nothing;
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}
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while (0);
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EOF
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cat << EOF > expect
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diff --git a/x b/x
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index adf3937..6edc172 100644
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--- a/x
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+++ b/x
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@@ -1,3 +1,5 @@
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-do {
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+do
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+{
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nothing;
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-} while (0);
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+}
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+while (0);
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EOF
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git diff > out
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test_expect_success "Ray's example without options" 'test_cmp expect out'
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git diff -w > out
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test_expect_success "Ray's example with -w" 'test_cmp expect out'
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git diff -b > out
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test_expect_success "Ray's example with -b" 'test_cmp expect out'
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tr 'Q' '\015' << EOF > x
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whitespace at beginning
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whitespace change
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whitespace in the middle
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whitespace at end
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unchanged line
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CR at endQ
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EOF
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git update-index x
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tr '_' ' ' << EOF > x
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whitespace at beginning
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whitespace change
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white space in the middle
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whitespace at end__
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unchanged line
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CR at end
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EOF
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tr 'Q_' '\015 ' << EOF > expect
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diff --git a/x b/x
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index d99af23..8b32fb5 100644
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--- a/x
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+++ b/x
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@@ -1,6 +1,6 @@
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-whitespace at beginning
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-whitespace change
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-whitespace in the middle
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-whitespace at end
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+ whitespace at beginning
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+whitespace change
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+white space in the middle
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+whitespace at end__
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unchanged line
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-CR at endQ
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+CR at end
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EOF
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git diff > out
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test_expect_success 'another test, without options' 'test_cmp expect out'
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cat << EOF > expect
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diff --git a/x b/x
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index d99af23..8b32fb5 100644
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EOF
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git diff -w > out
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test_expect_success 'another test, with -w' 'test_cmp expect out'
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tr 'Q' '\015' << EOF > expect
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diff --git a/x b/x
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index d99af23..8b32fb5 100644
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--- a/x
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+++ b/x
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@@ -1,6 +1,6 @@
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-whitespace at beginning
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+ whitespace at beginning
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whitespace change
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-whitespace in the middle
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+white space in the middle
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whitespace at end
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unchanged line
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CR at endQ
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EOF
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git diff -b > out
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test_expect_success 'another test, with -b' 'test_cmp expect out'
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test_expect_success 'check mixed spaces and tabs in indent' '
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# This is indented with SP HT SP.
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echo " foo();" > x &&
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git diff --check | grep "space before tab in indent"
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'
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test_expect_success 'check mixed tabs and spaces in indent' '
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# This is indented with HT SP HT.
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echo " foo();" > x &&
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git diff --check | grep "space before tab in indent"
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'
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test_expect_success 'check with no whitespace errors' '
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git commit -m "snapshot" &&
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echo "foo();" > x &&
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git diff --check
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'
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test_expect_success 'check with trailing whitespace' '
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echo "foo(); " > x &&
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! git diff --check
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'
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test_expect_success 'check with space before tab in indent' '
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# indent has space followed by hard tab
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echo " foo();" > x &&
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! git diff --check
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'
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test_expect_success '--check and --exit-code are not exclusive' '
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git checkout x &&
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git diff --check --exit-code
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'
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test_expect_success '--check and --quiet are not exclusive' '
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git diff --check --quiet
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'
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test_expect_success 'check staged with no whitespace errors' '
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echo "foo();" > x &&
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git add x &&
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git diff --cached --check
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'
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test_expect_success 'check staged with trailing whitespace' '
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echo "foo(); " > x &&
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git add x &&
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! git diff --cached --check
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'
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test_expect_success 'check staged with space before tab in indent' '
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# indent has space followed by hard tab
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echo " foo();" > x &&
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git add x &&
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! git diff --cached --check
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'
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test_expect_success 'check with no whitespace errors (diff-index)' '
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echo "foo();" > x &&
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git add x &&
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git diff-index --check HEAD
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'
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test_expect_success 'check with trailing whitespace (diff-index)' '
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echo "foo(); " > x &&
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git add x &&
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! git diff-index --check HEAD
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'
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test_expect_success 'check with space before tab in indent (diff-index)' '
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# indent has space followed by hard tab
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echo " foo();" > x &&
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git add x &&
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! git diff-index --check HEAD
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'
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test_expect_success 'check staged with no whitespace errors (diff-index)' '
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echo "foo();" > x &&
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git add x &&
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git diff-index --cached --check HEAD
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'
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test_expect_success 'check staged with trailing whitespace (diff-index)' '
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echo "foo(); " > x &&
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git add x &&
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! git diff-index --cached --check HEAD
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'
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test_expect_success 'check staged with space before tab in indent (diff-index)' '
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# indent has space followed by hard tab
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echo " foo();" > x &&
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git add x &&
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! git diff-index --cached --check HEAD
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'
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test_expect_success 'check with no whitespace errors (diff-tree)' '
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echo "foo();" > x &&
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git commit -m "new commit" x &&
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git diff-tree --check HEAD^ HEAD
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'
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test_expect_success 'check with trailing whitespace (diff-tree)' '
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echo "foo(); " > x &&
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git commit -m "another commit" x &&
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! git diff-tree --check HEAD^ HEAD
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'
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test_expect_success 'check with space before tab in indent (diff-tree)' '
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# indent has space followed by hard tab
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echo " foo();" > x &&
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git commit -m "yet another" x &&
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! git diff-tree --check HEAD^ HEAD
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'
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test_expect_success 'check trailing whitespace (trailing-space: off)' '
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git config core.whitespace "-trailing-space" &&
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echo "foo (); " > x &&
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git diff --check
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'
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test_expect_success 'check trailing whitespace (trailing-space: on)' '
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git config core.whitespace "trailing-space" &&
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echo "foo (); " > x &&
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! git diff --check
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'
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test_expect_success 'check space before tab in indent (space-before-tab: off)' '
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# indent contains space followed by HT
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git config core.whitespace "-space-before-tab" &&
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echo " foo ();" > x &&
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git diff --check
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'
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test_expect_success 'check space before tab in indent (space-before-tab: on)' '
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# indent contains space followed by HT
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git config core.whitespace "space-before-tab" &&
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echo " foo (); " > x &&
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! git diff --check
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'
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test_expect_success 'check spaces as indentation (indent-with-non-tab: off)' '
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git config core.whitespace "-indent-with-non-tab"
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echo " foo ();" > x &&
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git diff --check
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'
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test_expect_success 'check spaces as indentation (indent-with-non-tab: on)' '
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git config core.whitespace "indent-with-non-tab" &&
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echo " foo ();" > x &&
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! git diff --check
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'
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test_expect_success 'check tabs and spaces as indentation (indent-with-non-tab: on)' '
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git config core.whitespace "indent-with-non-tab" &&
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echo " foo ();" > x &&
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! git diff --check
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'
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test_expect_success 'line numbers in --check output are correct' '
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echo "" > x &&
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echo "foo(); " >> x &&
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git diff --check | grep "x:2:"
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'
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test_done
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