feat: add `review` command

Prototype of the `review` command, cf. `anissue review -h`. Also adds
the `status` command.

1 files changed, 39 insertions, 0 deletions

diff --git a/diff-parse.patch b/diff-parse.patch
new file mode 100644
index 0000000..d3fac03
--- /dev/null
+++ b/diff-parse.patch
@@ -0,0 +1,39 @@
+diff --git a/src/Text/Diff/Parse/Internal.hs b/src/Text/Diff/Parse/Internal.hs
+index 99302b8..715686c 100644
+--- a/src/Text/Diff/Parse/Internal.hs
++++ b/src/Text/Diff/Parse/Internal.hs
+@@ -50,12 +50,12 @@ fileDelta = do
+ fileDeltaHeader :: Parser (FileStatus, Text, Text)
+ fileDeltaHeader = do
+     _      <- string "diff --git "
+-    source <- path <* space
+-    dest   <- path <* endOfLine
++    _      <- path <* space
++    _      <- path <* endOfLine
+     status <- fileStatus
+     _      <- option "" (string "index" >> takeLine)
+-    _      <- option "" (string "--- " >> takeLine)
+-    _      <- option "" (string "+++ " >> takeLine)
++    source <- string "--- " >> path <* endOfLine
++    dest   <- string "+++ " >> path <* endOfLine
+     return $ (status, source, dest)
+ 
+ takeLine :: Parser Text
+@@ -97,3 +97,4 @@ annotation :: Parser Annotation
+ annotation = (char '+' >> return Added)
+          <|> (char '-' >> return Removed)
+          <|> (char ' ' >> return Context)
++         <|> (char '#' >> return Comment)
+diff --git a/src/Text/Diff/Parse/Types.hs b/src/Text/Diff/Parse/Types.hs
+index a658ae4..3901575 100644
+--- a/src/Text/Diff/Parse/Types.hs
++++ b/src/Text/Diff/Parse/Types.hs
+@@ -2,7 +2,7 @@ module Text.Diff.Parse.Types where
+ 
+ import Data.Text (Text)
+ 
+-data Annotation = Added | Removed | Context deriving (Show, Eq)
++data Annotation = Added | Removed | Context | Comment deriving (Show, Eq)
+ 
+ data Line = Line {
+     lineAnnotation :: Annotation