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#!/bin/sh
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test_description='checkout switching away from an invalid branch'
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. ./test-lib.sh
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test_expect_success 'setup' '
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echo hello >world &&
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git add world &&
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git commit -m initial
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'
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test_expect_success 'checkout should not start branch from a tree' '
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test_must_fail git checkout -b newbranch master^{tree}
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'
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test_expect_success 'checkout master from invalid HEAD' '
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echo $_z40 >.git/HEAD &&
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git checkout master --
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'
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test_done
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