>>>>> "LT" == Linus Torvalds <[EMAIL PROTECTED]> writes:
>> I'll immediately write a tool to diff the current working directory
>> against a tree object, and hopefully that will just make pasky happy with
>> this model too.
The model you have always had is that there are three things the
user needs to be aware of:
* files in working tree -- this is what you touch with your
editor and feed compilers with.
* files in dircache -- update-cache copies from working
tree to here, checkout-cache copies from here to working
* committed tree state -- write-tree + commit-tree copies from
dircache to this state, read-tree copies from here to
The original message I started this thread with suggested that I
wish if Cogito sugarcoating layer treated the dircache invisible
to the user by keeping it virtually and lazily in sync with the
working tree, as opposed to the way the current git-pasky does,
which is to keep it in sync with the committed state.
But after thinking about it more, I changed my mind. With
something like diff-cache available to the user, making aware of
the three hierarchy to the user might be cleaner.
The workflow becomes:
* Initial read-tree + checkout-cache -f -a; makes the three in
* Hack away. Makes the working tree drift from dircache.
* show-diff to see what's changed since your last "checkpoint".
update-cache when happy. Working tree is in sync with
dircache which is the "staging area" for my half-baked but
still good stuff. Makes the dircache different from the
* Hack away more. show-diff does not show your earlier changes
anymore. This is sometimes inconvenient when you want to see
what you earlier changed but not committed. Here comes the
new shiny diff-cache to rescue.
* When satisfied with all the changes diff-cache --cached
shows, finally, say write-tree + commit-tree. This makes all
three in sync again.
I vaguely recall having heard about some SCM that distinguishes
check-in and commit. Maybe this two-staged update-cache and
write-tree + commit-tree workflow is similar to it?
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