Fix sample pre-commit hook
If the worktree happened to have a file called HEAD, "diff-index --cached HEAD" would complain about the ambiguity between revision and path. Avoid it by using an explicit "--" for disambiguation. Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -13,7 +13,7 @@
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if git-rev-parse --verify HEAD 2>/dev/null
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then
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git-diff-index -p -M --cached HEAD
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git-diff-index -p -M --cached HEAD --
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else
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# NEEDSWORK: we should produce a diff with an empty tree here
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# if we want to do the same verification for the initial import.
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