recompute: stage new version of file in git
When writing doc/tips/computing_annexed_files.mdwn, I noticed that a recompute --reproducible followed by a drop and a re-get did not actually test if the file could be reproducible computed again. Turns out that get and drop both operate on staged files. If there is an unstaged modification in the work tree, that's ignored. Somewhat surprisingly, other commands like info do operate on staged files. So behavior is inconsistent, and fairly surprising really, when there are unstaged modifications to files. Probably this is rarely noticed because `git-annex add` is used to add a new version of a file, and then it's staged. Or `git mv` is used to move a file, rather than `mv` of a file over top of an existing file. So it's uncommon to have an unstaged annexed file in a worktree. It might be worth making things more consistent, but that's out of scope for what I'm working on currently. Also, I anticipate that supporting unlocked files with recompute will require it to stage changes anyway. So, make recompute stage the new version of the file. I considered having recompute refuse to overwrite an existing staged file. After all, whatever version was staged before will get lost when the new version is staged over top of it. But, that's no different than `git-annex addcomputed` being run with the name of an existing staged file. Or `git-annex add` being run with a new file content when there is an existing staged file. Or, for that matter, `git add` being ran with a new content when there is an existing staged file.
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@ -137,7 +137,7 @@ perform o r file origkey origstate = do
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go program reproducibleconfig result tmpdir ts = do
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checkbehaviorchange program
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(Remote.Compute.computeState result)
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addComputed Nothing False r reproducibleconfig
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addComputed Nothing r reproducibleconfig
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choosebackend destfile False result tmpdir ts
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checkbehaviorchange program state = do
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