blob: 1a2a57f220ccd2f4075cbd3f90c83596dbb27153 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
{- git-annex command
-
- Copyright 2013-2017 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.LookupKey where
import Command
import Annex.CatFile
import qualified Git.LsFiles
cmd :: Command
cmd = notBareRepo $ noCommit $ noMessages $
command "lookupkey" SectionPlumbing
"looks up key used for file"
(paramRepeating paramFile)
(batchable run (pure ()))
run :: () -> String -> Annex Bool
run _ file = seekSingleGitFile file >>= \case
Nothing -> return False
Just file' -> catKeyFile file' >>= \case
Just k -> do
liftIO $ putStrLn $ key2file k
return True
Nothing -> return False
-- To support absolute filenames, pass through git ls-files.
-- But, this plumbing command does not recurse through directories.
seekSingleGitFile :: FilePath -> Annex (Maybe FilePath)
seekSingleGitFile file = do
(l, cleanup) <- inRepo (Git.LsFiles.inRepo [file])
r <- case l of
(f:[]) | takeFileName f == takeFileName file -> return (Just f)
_ -> return Nothing
void $ liftIO cleanup
return r
|
