cli, ui, web: make -NUM a shortcut for --depth NUM

doc/lib.m4

@@ -141,8 +141,8 @@ m4_define({{_reportingoptions_}}, {{
 `-R --real`
 : include only non-virtual postings
 
-`--depth=N`
-: hide accounts/postings deeper than N
+`-NUM --depth=NUM`
+: hide/aggregate accounts or postings more than NUM levels deep
 
 `-E --empty`
 : show items with zero amount, normally hidden

hledger-ui/Hledger/UI/UIOptions.hs

@@ -10,6 +10,7 @@ import Data.Default
 import Data.Functor.Compat ((<$>))
 #endif
 import Data.List (intercalate)
+import System.Environment
 
 import Hledger.Cli hiding (progname,version,prognameandversion)
 import Hledger.UI.Theme (themeNames)
@@ -94,6 +95,12 @@ checkUIOpts opts =
       Just t | not $ elem t themeNames -> Left $ "invalid theme name: "++t
       _                                -> Right ()
 
+-- XXX some refactoring seems due
 getHledgerUIOpts :: IO UIOpts
-getHledgerUIOpts = processArgs uimode >>= return . decodeRawOpts >>= rawOptsToUIOpts
+--getHledgerUIOpts = processArgs uimode >>= return . decodeRawOpts >>= rawOptsToUIOpts
+getHledgerUIOpts = do
+  args <- getArgs
+  let args' = replaceNumericFlags args 
+  let cmdargopts = either usageError id $ process uimode args'
+  rawOptsToUIOpts $ decodeRawOpts cmdargopts 
 

hledger-web/Hledger/Web/WebOptions.hs

@@ -7,6 +7,7 @@ import Data.Default
 import Data.Functor.Compat ((<$>))
 #endif
 import Data.Maybe
+import System.Environment
 
 import Hledger.Cli hiding (progname,version,prognameandversion)
 import Settings
@@ -92,5 +93,10 @@ checkWebOpts wopts =
     else Right ()
 
 getHledgerWebOpts :: IO WebOpts
-getHledgerWebOpts = processArgs webmode >>= return . decodeRawOpts >>= rawOptsToWebOpts
+--getHledgerWebOpts = processArgs webmode >>= return . decodeRawOpts >>= rawOptsToWebOpts
+getHledgerWebOpts = do
+  args <- getArgs
+  let args' = replaceNumericFlags args 
+  let cmdargopts = either usageError id $ process webmode args'
+  rawOptsToWebOpts $ decodeRawOpts cmdargopts 
 

hledger/Hledger/Cli/CliOptions.hs

@@ -51,6 +51,7 @@ module Hledger.Cli.CliOptions (
   outputFormatFromOpts,
   defaultWidth,
   widthFromOpts,
+  replaceNumericFlags,
   -- | For register:
   registerWidthsFromOpts,
   maybeAccountNameDrop,
@@ -75,6 +76,7 @@ import Prelude ()
 import Prelude.Compat
 import qualified Control.Exception as C
 import Control.Monad (when)
+import Data.Char
 import Data.Default
 #if !MIN_VERSION_base(4,8,0)
 import Data.Functor.Compat ((<$>))
@@ -149,7 +151,7 @@ reportflags = [
  ,flagNone ["pending","P"]   (setboolopt "pending") "include only pending postings/txns"
  ,flagNone ["cleared","C"]   (setboolopt "cleared") "include only cleared postings/txns"
  ,flagNone ["real","R"]      (setboolopt "real") "include only non-virtual postings"
- ,flagReq  ["depth"]         (\s opts -> Right $ setopt "depth" s opts) "N" "hide accounts/postings deeper than N"
+ ,flagReq  ["depth"]         (\s opts -> Right $ setopt "depth" s opts) "NUM" "(or -NUM): hide accounts/postings deeper than this"
  ,flagNone ["empty","E"]     (setboolopt "empty") "show items with zero amount, normally hidden"
  ,flagNone ["cost","B"]      (setboolopt "cost") "convert amounts to their cost at transaction time (using the transaction price, if any)"
  ,flagNone ["value","V"]     (setboolopt "value") "convert amounts to their market value on the report end date (using the most recent applicable market price, if any)"
@@ -377,6 +379,14 @@ decodeRawOpts = map (\(name',val) -> (name', fromSystemString val))
 defaultWidth :: Int
 defaultWidth = 80
 
+-- | Replace any numeric flags (eg -2) with their long form (--depth 2),
+-- as I'm guessing cmdargs doesn't support this directly.  
+replaceNumericFlags :: [String] -> [String]
+replaceNumericFlags = map replace
+  where
+    replace ('-':ds) | not (null ds) && all isDigit ds = "--depth="++ds
+    replace s = s
+
 -- | Parse raw option string values to the desired final data types.
 -- Any relative smart dates will be converted to fixed dates based on
 -- today's date. Parsing failures will raise an error.

hledger/Hledger/Cli/Main.hs

@@ -108,7 +108,7 @@ main = do
   -- some preliminary (imperfect) argument parsing to supplement cmdargs
   args <- getArgs
   let
-    args'                = moveFlagsAfterCommand args
+    args'                = moveFlagsAfterCommand $ replaceNumericFlags args
     isFlag               = ("-" `isPrefixOf`)
     isNonEmptyNonFlag s  = not (isFlag s) && not (null s)
     rawcmd               = headDef "" $ takeWhile isNonEmptyNonFlag args'
@@ -201,7 +201,7 @@ main = do
 argsToCliOpts :: [String] -> [String] -> IO CliOpts
 argsToCliOpts args addons = do
   let
-    args'        = moveFlagsAfterCommand args
+    args'        = moveFlagsAfterCommand $ replaceNumericFlags args
     cmdargsopts  = either usageError id $ process (mainmode addons) args'
     cmdargsopts' = decodeRawOpts cmdargsopts
   rawOptsToCliOpts cmdargsopts'

hledger/doc/options.m4.md

@@ -258,9 +258,11 @@ Group postings from start of wednesday to end of next tuesday (N is start date a
 
 ## Depth limiting
 
-With the `--depth N` option, commands like [account](#account), [balance](#balance)
+With the `--depth N` option (short form: `-N`), commands like [account](#account), [balance](#balance)
 and [register](#register) will show only the uppermost accounts in the account
 tree, down to level N. Use this when you want a summary with less detail.
+This flag has the same effect as a `depth:` query argument
+(so `-2`, `--depth=2` or `depth:2` are basically equivalent).   
 
 ## Pivoting