diff options
| author | Hugo Hörnquist <hugo@lysator.liu.se> | 2022-10-30 23:52:09 +0100 |
|---|---|---|
| committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2022-10-30 23:52:09 +0100 |
| commit | 0a5e375ecbd69c634b8faaf75768349088e60570 (patch) | |
| tree | 590790d8b26bee8ec2e08253d0e6f06439f61dcc | |
| parent | Add verbose logging. (diff) | |
| download | vimwiki-scripts-0a5e375ecbd69c634b8faaf75768349088e60570.tar.gz vimwiki-scripts-0a5e375ecbd69c634b8faaf75768349088e60570.tar.xz | |
Crash with error message when data files are missing.
| -rw-r--r-- | hs/src/Html.hs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/hs/src/Html.hs b/hs/src/Html.hs index 5235a42..a45f4b1 100644 --- a/hs/src/Html.hs +++ b/hs/src/Html.hs @@ -289,8 +289,9 @@ copyFromDatadir :: FilePath -> [FilePath] -> FilePath -> IO () copyFromDatadir filename datadirs destination = do let candidates = datadirs <&> (</> filename) existing <- filterM doesFileExist candidates - let source = head existing - copyFile source destination + case existing of + [] -> error $ filename <> " not found in any of " <> show datadirs + source:_ -> copyFile source destination main = do |