imp: prices: use --infer-market-prices instead of --costs

This command now reuses the --infer-market-prices flag, and uses
a new --infer-reverse-prices flag, instead of the old
--costs and --inverted-costs flags, which are now deprecated and hidden.

hledger/Hledger/Cli/CliOptions.hs

@@ -184,12 +184,17 @@ reportflags = [
      ,"'now':  convert to current market value, in default valuation commodity or COMM"
      ,"YYYY-MM-DD: convert to market value on the given date, in default valuation commodity or COMM"
      ])
-  -- history of this flag:
+  
+  -- history of this flag so far, lest we be confused:
   --  originally --infer-value
-  -- 2021-02, --infer-market-price added, --infer-value deprecated 
-  -- 2021-09, --infer-value hidden
+  --  2021-02 --infer-market-price added, --infer-value deprecated 
+  --  2021-09
+  --   --infer-value hidden
   --   --infer-market-price renamed to --infer-market-prices, old spelling still works
-  --          ReportOptions{infer_value_} renamed to infer_prices_ (and BalancingOpts{infer_prices_} renamed to infer_transaction_prices_)
+  --   ReportOptions{infer_value_} renamed to infer_prices_, BalancingOpts{infer_prices_} renamed to infer_transaction_prices_
+  --   some related prices command changes
+  --    --costs deprecated and hidden, uses --infer-market-prices instead
+  --    --inverted-costs renamed to --infer-reverse-prices
  ,flagNone ["infer-market-prices"] (setboolopt "infer-market-prices") 
     "use transaction prices (recorded with @ or @@) as additional market prices, as if they were P directives"
 

hledger/Hledger/Cli/Commands/Prices.hs

@@ -19,10 +19,13 @@ import System.Console.CmdArgs.Explicit
 
 pricesmode = hledgerCommandMode
   $(embedFileRelative "Hledger/Cli/Commands/Prices.txt")
-  [flagNone ["costs"] (setboolopt "costs") "print transaction prices from postings"
-  ,flagNone ["inverted-costs"] (setboolopt "inverted-costs") "print transaction inverted prices from postings also"]
+  [flagNone ["infer-reverse-prices"] (setboolopt "infer-reverse-prices") "also show prices obtained by inverting transaction prices"
+  ]
   [generalflagsgroup1]
-  hiddenflags
+  (hiddenflags ++
+  [flagNone ["costs"]          (setboolopt "infer-market-prices") "deprecated, use --infer-market-prices instead"
+  ,flagNone ["inverted-costs"] (setboolopt "infer-reverse-prices")      "deprecated, use --infer-reverse-prices instead"
+  ])
   ([], Just $ argsFlag "[QUERY]")
 
 -- XXX the original hledger-prices script always ignored assertions
@@ -32,9 +35,18 @@ prices opts j = do
     q          = _rsQuery $ reportspec_ opts
     ps         = filter (matchesPosting q) $ allPostings j
     mprices    = jpricedirectives j
-    cprices    = map (stylePriceDirectiveExceptPrecision styles) $ concatMap postingsPriceDirectivesFromCosts ps
-    icprices   = map (stylePriceDirectiveExceptPrecision styles) $ concatMap (postingsPriceDirectivesFromCosts . postingTransformAmount (mapMixedAmount invertPrice)) ps
-    allprices  = mprices ++ ifBoolOpt "costs" cprices ++ ifBoolOpt "inverted-costs" icprices
+    cprices    = 
+      map (stylePriceDirectiveExceptPrecision styles) $ 
+      concatMap postingsPriceDirectivesFromCosts ps
+    rcprices   = 
+      map (stylePriceDirectiveExceptPrecision styles) $ 
+      concatMap (postingsPriceDirectivesFromCosts . postingTransformAmount (mapMixedAmount invertPrice)) 
+      ps
+    allprices  = 
+      mprices 
+      ++ ifBoolOpt "infer-market-prices" cprices 
+      ++ ifBoolOpt "infer-reverse-prices" rcprices  -- TODO: shouldn't this show reversed P prices also ? valuation will use them
+
   mapM_ (T.putStrLn . showPriceDirective) $
     sortOn pddate $
     filter (matchesPriceDirective q) $

hledger/Hledger/Cli/Commands/Prices.md

@@ -1,8 +1,8 @@
 prices\
 Print [market price directives](https://hledger.org/manual#market-prices) from the journal.
-With --costs, also print synthetic market prices based on [transaction prices](https://hledger.org/manual#transaction-prices).
-With --inverted-costs, also print inverse prices based on transaction prices.
-Prices (and postings providing prices) can be filtered by a query.
-Price amounts are always displayed with their full precision.
+With --infer-market-prices, generate additional market prices from [transaction prices](https://hledger.org/manual#transaction-prices).
+With --infer-reverse-prices, also generate market prices by inverting transaction prices.
+Prices (and postings providing transaction prices) can be filtered by a query.
+Price amounts are displayed with their full precision.
 
 _FLAGS

hledger/shell-completion/hledger-completion.bash

@@ -1600,7 +1600,6 @@ read -r -d "" _hledger_complist_options_prices <<"__TEXT__"
 --cleared
 --color=
 --cost
---costs
 --daily
 --date2
 --debug=
@@ -1613,8 +1612,8 @@ read -r -d "" _hledger_complist_options_prices <<"__TEXT__"
 --help
 --ignore-assertions
 --infer-market-prices
+--infer-reverse-prices
 --info
---inverted-costs
 --man
 --market
 --monthly

hledger/test/prices.test

@@ -32,13 +32,13 @@ P 2016/2/1 EUR $1.05
 2016/1/3 spend
     expenses             20 EUR @@ $21.45
     assets:bank
-$ hledger prices -f- --costs
+$ hledger prices -f- --infer-market-prices
 P 2016-01-01 EUR $1.06
 P 2016-01-02 EUR $1.07
 P 2016-01-03 EUR $1.0725
 P 2016-02-01 EUR $1.05
 
-# 3. inverted costs from postings can be calculated
+# 3. inverted prices can be calculated
 <
 P 2016/1/1 EUR $1.06
 P 2016/2/1 EUR $1.05
@@ -51,7 +51,7 @@ P 2016/2/1 EUR $1.05
 2016/1/3 spend
     expenses             $21.45 @@ 20.00 EUR
     assets:bank
-$ hledger prices -f- --inverted-costs
+$ hledger prices -f- --infer-reverse-prices
 P 2016-01-01 EUR $1.06
 P 2016-01-03 EUR $1.0725
 P 2016-02-01 EUR $1.05
@@ -74,7 +74,7 @@ P 2019-01-01 X 1.000,123 A
 P 2019-01-02 X 1.000,1 A
 
 # 5. Commodity styles aren't yet applied to prices inferred from transaction prices.
-$ hledger -f- prices --costs
+$ hledger -f- prices --infer-market-prices
 P 2019-01-01 X 1.000,123 A
 P 2019-01-02 X 1.000,1 A
 P 2019-02-01 X 1.000,2345 A