Re: [PATCH] git-mv: Keep moved index entries inact

Petr Baudis [off-list ref] writes:

On Mon, Jul 21, 2008 at 03:20:46AM +0200, Johannes Schindelin wrote:

quoted

On Mon, 21 Jul 2008, Petr Baudis wrote:

quoted

I want to make sure the whole index entry is intact, not just the sha1.

"rev-parse :dirty" will have to read the index to get at the object name 
of "dirty".  So there you have your index validation for you.

  it will test if the entry stays _valid_, but not whether it stays the
_same_.

You are right.  You would want to catch breakages like a file losing its
executable bits, which you cannot detect by grabbing "rev-parse :dirty"
and comparing it with the expected value.