git-commit: initialize TMP_INDEX just to be sure.
We rely on TMP_INDEX variable to decide if we are doing a partial commit, as it is only set in the partial commit codepath. But the variable is never initialized. A stray environment variable from outside could ruin the day. Signed-off-by: Junio C Hamano <gitster@pobox.com>
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		@ -25,6 +25,7 @@ refuse_partial () {
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	exit 1
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						exit 1
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}
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					}
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					TMP_INDEX=
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THIS_INDEX="$GIT_DIR/index"
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					THIS_INDEX="$GIT_DIR/index"
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NEXT_INDEX="$GIT_DIR/next-index$$"
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					NEXT_INDEX="$GIT_DIR/next-index$$"
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rm -f "$NEXT_INDEX"
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					rm -f "$NEXT_INDEX"
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