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imp:demo: improve error message when asciinema fails

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Simon Michael 2023-10-23 14:21:20 +01:00
parent d8021ef754
commit 31ecc9f4f2
1 changed files with 4 additions and 1 deletions
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5
hledger/Hledger/Cli/Commands/Demo.hs
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@ -161,7 +161,10 @@ runAsciinemaPlay speed idlelimit content args =
,args
])
`catchIOError` \err -> do
putStrLn $ "There was a problem. Is asciinema installed ?\n" <> show err -- (or PowerSession on Windows)
putStrLn $ "\n" <> show err
putStrLn "Error: running asciinema failed. Trying 'asciinema --version':"
callProcess "asciinema" ["--version"] `catchIOError` \_ ->
putStrLn "This also failed. Check that asciinema is installed in your PATH."
exitFailure
where
showwithouttrailingzero = dropWhileEnd (=='.') . dropWhileEnd (=='0') . show