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398 lines
8 KiB
Bash
Executable file
398 lines
8 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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. "$TEST_DIRECTORY"/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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git diff -w -b > out
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test_expect_success 'another test, with -w -b' 'test_cmp expect out'
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git diff -w --ignore-space-at-eol > out
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test_expect_success 'another test, with -w --ignore-space-at-eol' 'test_cmp expect out'
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git diff -w -b --ignore-space-at-eol > out
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test_expect_success 'another test, with -w -b --ignore-space-at-eol' '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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git diff -b --ignore-space-at-eol > out
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test_expect_success 'another test, with -b --ignore-space-at-eol' '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 change
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-whitespace in the middle
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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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EOF
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git diff --ignore-space-at-eol > out
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test_expect_success 'another test, with --ignore-space-at-eol' '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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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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test_must_fail 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_expect_success 'checkdiff detects trailing blank lines' '
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echo "foo();" >x &&
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echo "" >>x &&
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git diff --check | grep "ends with blank"
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'
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test_expect_success 'checkdiff allows new blank lines' '
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git checkout x &&
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mv x y &&
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(
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echo "/* This is new */" &&
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echo "" &&
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cat y
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) >x &&
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git diff --check
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'
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test_expect_success 'combined diff with autocrlf conversion' '
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git reset --hard &&
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echo >x hello &&
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git commit -m "one side" x &&
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git checkout HEAD^ &&
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echo >x goodbye &&
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git commit -m "the other side" x &&
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git config core.autocrlf true &&
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test_must_fail git merge master &&
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git diff | sed -e "1,/^@@@/d" >actual &&
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! grep "^-" actual
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'
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test_done
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