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"git diff" has a --check option that can be used to check for whitespace problems but it only reported by printing warnings to the console. Now when the --check option is used we give a non-zero exit status, making "git diff --check" nicer to use in scripts and hooks. Signed-off-by: Wincent Colaiuta <win@wincent.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
264 lines
4.6 KiB
Bash
Executable file
264 lines
4.6 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" 'git diff expect out'
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git diff -w > out
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test_expect_success "Ray's example with -w" 'git diff expect out'
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git diff -b > out
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test_expect_success "Ray's example with -b" 'git diff 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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cat << 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' 'git diff 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' 'git diff 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' 'git diff 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"
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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_failure '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_failure '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_failure '--check and --exit-code are 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_failure '--check and --quiet are 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_failure '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_failure '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_failure '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_failure '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_failure '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_failure '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_failure '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_failure '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_done
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