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-rw-r--r--MANUAL.txt6
-rw-r--r--pandoc.cabal19
-rw-r--r--src/Text/Pandoc/App.hs12
3 files changed, 20 insertions, 17 deletions
diff --git a/MANUAL.txt b/MANUAL.txt
index 36bc8e5ac..105ef8b1e 100644
--- a/MANUAL.txt
+++ b/MANUAL.txt
@@ -356,6 +356,12 @@ General options
: Exit with error status if there are any warnings.
+`--log=`*FILE*
+
+: Write log messages in machine-readable JSON format to
+ *FILE*. All messages above DEBUG level will be written,
+ regardless of verbosity settings (`--verbose`, `--quiet`).
+
`--list-input-formats`
: List supported input formats, one per line.
diff --git a/pandoc.cabal b/pandoc.cabal
index a817cdab2..255057cfa 100644
--- a/pandoc.cabal
+++ b/pandoc.cabal
@@ -275,6 +275,7 @@ Library
extensible-exceptions >= 0.1 && < 0.2,
pandoc-types >= 1.17 && < 1.18,
aeson >= 0.7 && < 1.2,
+ aeson-pretty >= 0.8 && < 0.9,
tagsoup >= 0.13.7 && < 0.15,
base64-bytestring >= 0.1 && < 1.1,
zlib >= 0.5 && < 0.7,
@@ -435,23 +436,7 @@ Library
Executable pandoc
Build-Depends: pandoc,
- pandoc-types >= 1.17 && < 1.18,
- base >= 4.2 && <5,
- directory >= 1.2 && < 1.4,
- filepath >= 1.1 && < 1.5,
- text >= 0.11 && < 1.3,
- bytestring >= 0.9 && < 0.11,
- extensible-exceptions >= 0.1 && < 0.2,
- skylighting >= 0.1.1.3 && < 0.2,
- aeson >= 0.7.0.5 && < 1.2,
- yaml >= 0.8.8.2 && < 0.9,
- containers >= 0.1 && < 0.6,
- HTTP >= 4000.0.5 && < 4000.4,
- mtl >= 2.2 && < 2.3
- if flag(network-uri)
- Build-Depends: network-uri >= 2.6 && < 2.7, network >= 2.6
- else
- Build-Depends: network >= 2 && < 2.6
+ base >= 4.2 && < 5
Ghc-Options: -rtsopts -with-rtsopts=-K16m -Wall -fno-warn-unused-do-bind
Ghc-Prof-Options: -fprof-auto-exported -rtsopts -with-rtsopts=-K16m
diff --git a/src/Text/Pandoc/App.hs b/src/Text/Pandoc/App.hs
index 91d0711c1..df1ed9fde 100644
--- a/src/Text/Pandoc/App.hs
+++ b/src/Text/Pandoc/App.hs
@@ -71,6 +71,7 @@ import qualified Data.ByteString.Lazy as B
import qualified Data.ByteString as BS
import qualified Data.Map as M
import Data.Aeson (eitherDecode', encode)
+import Data.Aeson.Encode.Pretty (encodePretty)
import Data.Yaml (decode)
import qualified Data.Yaml as Yaml
import qualified Data.Text as T
@@ -348,6 +349,9 @@ convertWithOpts opts = do
x <- f
rs <- getLog
return (x, rs)
+ case optLogFile opts of
+ Nothing -> return ()
+ Just logfile -> B.writeFile logfile (encodePretty reports)
let isWarning msg = messageVerbosity msg == WARNING
when (optFailIfWarnings opts && any isWarning reports) $
err 3 "Failing because there were warnings."
@@ -487,6 +491,7 @@ data Opt = Opt
, optDumpArgs :: Bool -- ^ Output command-line arguments
, optIgnoreArgs :: Bool -- ^ Ignore command-line arguments
, optVerbosity :: Verbosity -- ^ Verbosity of diagnostic output
+ , optLogFile :: Maybe FilePath -- ^ File to write JSON log output
, optFailIfWarnings :: Bool -- ^ Fail on warnings
, optReferenceLinks :: Bool -- ^ Use reference links in writing markdown, rst
, optReferenceLocation :: ReferenceLocation -- ^ location for footnotes and link references in markdown output
@@ -552,6 +557,7 @@ defaultOpts = Opt
, optDumpArgs = False
, optIgnoreArgs = False
, optVerbosity = WARNING
+ , optLogFile = Nothing
, optFailIfWarnings = False
, optReferenceLinks = False
, optReferenceLocation = EndOfDocument
@@ -1289,6 +1295,12 @@ options =
(\opt -> return opt { optFailIfWarnings = True }))
"" -- "Exit with error status if there were warnings."
+ , Option "" ["log"]
+ (ReqArg
+ (\arg opt -> return opt{ optLogFile = Just arg })
+ "FILE")
+ "" -- "Log messages in JSON format to this file."
+
, Option "" ["bash-completion"]
(NoArg
(\_ -> do