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Revision 51a94af845cb3f797abd638478834721d7295af7 authored by Junio C Hamano on 17 October 2008, 06:37:44 UTC, committed by Junio C Hamano on 17 October 2008, 21:35:06 UTC 
Fix "checkout --track -b newbranch" on detached HEAD
 
The test to make sure that checkout fails when --track was asked for and
we cannot set up tracking information in t7201 was wrong, and it turns out
that the implementation for that feature itself was buggy.  This fixes it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 parent 8ed0a74
Raw File
t4020-diff-external.sh 
#!/bin/sh

test_description='external diff interface test'

. ./test-lib.sh

_z40=0000000000000000000000000000000000000000

test_expect_success setup '

	test_tick &&
	echo initial >file &&
	git add file &&
	git commit -m initial &&

	test_tick &&
	echo second >file &&
	git add file &&
	git commit -m second &&

	test_tick &&
	echo third >file
'

test_expect_success 'GIT_EXTERNAL_DIFF environment' '

	GIT_EXTERNAL_DIFF=echo git diff | {
		read path oldfile oldhex oldmode newfile newhex newmode &&
		test "z$path" = zfile &&
		test "z$oldmode" = z100644 &&
		test "z$newhex" = "z$_z40" &&
		test "z$newmode" = z100644 &&
		oh=$(git rev-parse --verify HEAD:file) &&
		test "z$oh" = "z$oldhex"
	}

'

test_expect_success 'GIT_EXTERNAL_DIFF environment should apply only to diff' '

	GIT_EXTERNAL_DIFF=echo git log -p -1 HEAD |
	grep "^diff --git a/file b/file"

'

test_expect_success 'diff attribute' '

	git config diff.parrot.command echo &&

	echo >.gitattributes "file diff=parrot" &&

	git diff | {
		read path oldfile oldhex oldmode newfile newhex newmode &&
		test "z$path" = zfile &&
		test "z$oldmode" = z100644 &&
		test "z$newhex" = "z$_z40" &&
		test "z$newmode" = z100644 &&
		oh=$(git rev-parse --verify HEAD:file) &&
		test "z$oh" = "z$oldhex"
	}

'

test_expect_success 'diff attribute should apply only to diff' '

	git log -p -1 HEAD |
	grep "^diff --git a/file b/file"

'

test_expect_success 'diff attribute' '

	git config --unset diff.parrot.command &&
	git config diff.color.command echo &&

	echo >.gitattributes "file diff=color" &&

	git diff | {
		read path oldfile oldhex oldmode newfile newhex newmode &&
		test "z$path" = zfile &&
		test "z$oldmode" = z100644 &&
		test "z$newhex" = "z$_z40" &&
		test "z$newmode" = z100644 &&
		oh=$(git rev-parse --verify HEAD:file) &&
		test "z$oh" = "z$oldhex"
	}

'

test_expect_success 'diff attribute should apply only to diff' '

	git log -p -1 HEAD |
	grep "^diff --git a/file b/file"

'

test_expect_success 'no diff with -diff' '
	echo >.gitattributes "file -diff" &&
	git diff | grep Binary
'

echo NULZbetweenZwords | perl -pe 'y/Z/\000/' > file

test_expect_success 'force diff with "diff"' '
	echo >.gitattributes "file diff" &&
	git diff >actual &&
	test_cmp ../t4020/diff.NUL actual
'

test_done
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