The paragraph just above already shows how to configure .gitattributes
and the necessary git config. So this is redundant. Also, it makes
.gitattributes match *, which is likely not a good idea because those
files are not likely to be all text files.
Running git config --list inside .git then fails, so better to only
do that when --git-dir was specified explicitly. Otherwise, when the
repository is not bare, run the command inside the working tree.
Also make init detect when the uuid it just set cannot be read and fail
with an error, in case git changes something that breaks this later.
I still don't actually understand why git-annex add/assist -J2 was
affected but -J1 was not. But I did show that it was skipping writing to
the location log, because the uuid was NoUUID.
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Command.Add.seek starts concurrency with CommandStages. And for
Command.Sync, it needs TransferStages. So, to get both types of concurrency
for the two different parts, it either needs to change the type of
concurrency in between, or just call startConcurrency once for each.
It seems safe enough to call startConcurrency twice, because it does shut
down concurrency (mostly) at the end, and eg the old Annex.workers get
emptied.
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This ended up having an interface like sync, rather than like get/copy/drop.
That let it be implemented in terms of sync, which took a lot less code.
Also, it lets it handle many of the edge cases that sync does, such as
getting files that are not visible in a --hide-missing branch, and sending
files to exporttree remotes.
As well as being easier to implement, `git-annex satisfy myremote` makes
sense as it satisfies the preferred content settings of the remote.
`git-annex satisfy somefile` does not form a sentence that makes sense. So
while -C can be a little bit annoying, it still makes sense to have this
syntax.
Note that, while I initially thought this would also satisfy numcopies, it
does not. Arguably it ought to. But, sync does not send files in order to
satisfy numcopies, it only sends files to satisfy preferred content. And
it's important that this transfer the same files as sync does, because
it will probably be used in a workflow where the user sometimes syncs and
sometimes satisfies, and does not expect satisfy to do things that sync
would not do.
(Also opened a new bug that also affects sync et all, not only this command.)
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This was already possible, but it was rather hard to come up with the
complex shell command needed.
Note that the diff output starts with "diff a/... b/...".
I left off the "--git" because it's not a git format diff.
