[cli] ini: --dry-run option to output toml to stdout

bin/gargantext-cli/CLI/Ini.hs

@@ -36,7 +36,7 @@ import Toml qualified
 
 
 iniCLI :: IniArgs -> IO ()
-iniCLI iniArgs = do
+iniCLI iniArgs@(IniArgs { dry_run }) = do
   let iniPath  = fromMaybe "gargantext.ini"           $ ini_path  iniArgs
   let tomlPath = fromMaybe "gargantext-settings.toml" $ toml_path iniArgs
   putStrLn $ "Reading configuration from file " <> iniPath <> "..."
@@ -45,6 +45,9 @@ iniCLI iniArgs = do
   iniNLP <- IniNLP.readConfig iniPath
   connInfo <- Ini.readDBConfig iniPath
   let c = convertConfigs ini iniMail iniNLP connInfo
+  if dry_run then
+    putStrLn (show (Toml.encode c) :: Text)
+  else do
     T.writeFile tomlPath (show (Toml.encode c) :: Text)
     putStrLn $ "Converted configuration into TOML and wrote it to file " <> tomlPath
 
@@ -55,7 +58,8 @@ iniCmd = command "ini" (info (helper <*> fmap CLISub iniParser)
 iniParser :: Parser CLICmd
 iniParser = fmap CCMD_ini $ IniArgs <$>
   (optional . strOption $ long "ini-path"  <> help "Path to the input ini file"   ) <*>
-  (optional . strOption $ long "toml-path" <> help "Path to the output .toml file")
+  (optional . strOption $ long "toml-path" <> help "Path to the output .toml file") <*>
+  (flag False True (long "dry-run" <> help "If set, will only output generated .toml file to stdout"))
 
 convertConfigs :: Ini.GargConfig -> IniMail.MailConfig -> IniNLP.NLPConfig -> PGS.ConnectInfo -> Config.GargConfig
 convertConfigs ini@(Ini.GargConfig { .. }) iniMail nlpConfig connInfo =

bin/gargantext-cli/CLI/Types.hs

@@ -48,6 +48,7 @@ data ImportArgs = ImportArgs
 data IniArgs = IniArgs
   { ini_path  :: !(Maybe FilePath)
   , toml_path :: !(Maybe FilePath)
+  , dry_run   :: !Bool
   } deriving (Show, Eq)
 
 data InitArgs = InitArgs