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json object for FileNotFound

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When a nonexistant file is passed to a command and  --json-error-messages
is enabled, output a JSON object indicating the problem.

(But git ls-files --error-unmatch still displays errors about such files in
some situations.)

I don't like the duplication of the name of the command introduced by this,
but I can't see a great way around it. One way would be to pass the Command
instead.

When json is not enabled, the stderr is unchanged. This is necessary
because some commands like find have custom output. So dislaying
"find foo not found" would be wrong. So had to complicate things with
toplevelFileProblem having different output with and without json.

When not using --json-error-messages but still using --json, it displays
the error to stderr, but does display a json object without the error. It
does have an errorid though. Unsure how useful that behavior is.

Sponsored-by: Dartmouth College's Datalad project
This commit is contained in:
Joey Hess 2023-04-25 19:26:20 -04:00
parent 91ba0cc7fd
commit be36e208c2
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29 changed files with 97 additions and 43 deletions
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2
Command/Log.hs
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@ -105,7 +105,7 @@ seek o = ifM (null <$> Annex.Branch.getUnmergedRefs)
, giveup "This repository is read-only, and there are unmerged git-annex branches, which prevents displaying location log changes. (Set annex.merge-annex-branches to false to ignore the unmerged git-annex branches.)"
)
where
ww = WarnUnmatchLsFiles
ww = WarnUnmatchLsFiles "log"
start :: LogOptions -> (FilePath -> Outputter) -> SeekInput -> RawFilePath -> Key -> CommandStart
start o outputter _ file key = do