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3af828634f
As a general principle, we should not use "git diff" to validate the results of what git command that is being tested has done. We would not know if we are testing the command in question, or locating a bug in the cute hack of "git diff --no-index". Rather use test_cmp for that purpose. Signed-off-by: Junio C Hamano <gitster@pobox.com>
92 lines
1.7 KiB
Bash
Executable file
92 lines
1.7 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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test_description='git apply in reverse
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'
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. ./test-lib.sh
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test_expect_success setup '
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for i in a b c d e f g h i j k l m n; do echo $i; done >file1 &&
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perl -pe "y/ijk/\\000\\001\\002/" <file1 >file2 &&
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git add file1 file2 &&
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git commit -m initial &&
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git tag initial &&
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for i in a b c g h i J K L m o n p q; do echo $i; done >file1 &&
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perl -pe "y/mon/\\000\\001\\002/" <file1 >file2 &&
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git commit -a -m second &&
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git tag second &&
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git diff --binary initial second >patch
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'
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test_expect_success 'apply in forward' '
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T0=`git rev-parse "second^{tree}"` &&
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git reset --hard initial &&
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git apply --index --binary patch &&
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T1=`git write-tree` &&
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test "$T0" = "$T1"
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'
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test_expect_success 'apply in reverse' '
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git reset --hard second &&
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git apply --reverse --binary --index patch &&
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git diff >diff &&
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test_cmp /dev/null diff
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'
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test_expect_success 'setup separate repository lacking postimage' '
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git tar-tree initial initial | tar xf - &&
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(
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cd initial && git init && git add .
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) &&
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git tar-tree second second | tar xf - &&
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(
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cd second && git init && git add .
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)
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'
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test_expect_success 'apply in forward without postimage' '
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T0=`git rev-parse "second^{tree}"` &&
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(
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cd initial &&
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git apply --index --binary ../patch &&
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T1=`git write-tree` &&
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test "$T0" = "$T1"
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)
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'
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test_expect_success 'apply in reverse without postimage' '
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T0=`git rev-parse "initial^{tree}"` &&
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(
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cd second &&
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git apply --index --binary --reverse ../patch &&
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T1=`git write-tree` &&
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test "$T0" = "$T1"
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)
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'
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test_expect_success 'reversing a whitespace introduction' '
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sed "s/a/a /" < file1 > file1.new &&
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mv file1.new file1 &&
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git diff | git apply --reverse --whitespace=error
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'
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test_done
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