diff --git a/CHANGES.txt b/CHANGES.txt
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,27 +1,29 @@
 Changelog for Weeder
 
-0.1.7
+0.1.8, released 2017-12-06
+    Follow both branches for if/else containing dependencies/modules
+0.1.7, released 2017-08-09
     #21, detect dependencies that are only required transitively
     #13, respect the STACK_YAML environment variable
     #20, add verbosity messages in a lot of places
     #15, tone down unused import if exporting a cross-package type
     #11, optimise execution speed (~3x faster)
-0.1.6
+0.1.6, released 2017-06-18
     #10, find files generated by alex/happy
-0.1.5
+0.1.5, released 2017-06-02
     If --yaml and no hints give no output
-0.1.4
+0.1.4, released 2017-05-27
     #9, allow --dist-dir to set the stack dist-dir
     Deal with operators including | in them
     Allow arrays of arrays of strings in the .weeder.yaml
-0.1.3
+0.1.3, released 2017-05-08
     #5, document how to install weeder
     #8, detect unused imports, even import Foo()
     #7, don't say modules with only instances are always redundant
     #6, don't give partial pattern matches when reading .weeder.yaml
-0.1.2
+0.1.2, released 2017-04-29
     #3, deal with space-separated hs-source-dirs
-0.1.1
+0.1.1, released 2017-04-29
     #2, use "stack query" rather than parsing stack.yaml
-0.1
+0.1, released 2017-04-28
     Initial version
diff --git a/src/Cabal.hs b/src/Cabal.hs
--- a/src/Cabal.hs
+++ b/src/Cabal.hs
@@ -12,6 +12,7 @@
 import System.FilePath
 import qualified Data.HashMap.Strict as Map
 import Util
+import Data.Char
 import Data.Maybe
 import Data.List.Extra
 import Data.Tuple.Extra
@@ -111,14 +112,17 @@
             "benchmark" -> mempty{cabalSections=[parseSection (Benchmark name) xs]}
             _ -> mempty
 
-parseSection typ xs =
-    mempty{cabalSectionType=typ} <>
-    mconcat (map f $ parseHanging xs)
+parseSection typ xs = mempty{cabalSectionType=typ} <> parse xs
     where
-        keyValues (x,xs) = let (x1,x2) = word1 x in (lower x1, filter (not . null) $ map trim $ x2:xs)
+        parse = mconcat . map f . parseHanging
+        keyValues (x,xs) = let (x1,x2) = word1 x in (lower x1, trimEqual $ filter (not . null) $ x2:xs)
+        trimEqual xs = map (drop n) xs
+            where n = minimum $ 0 : map (length . takeWhile isSpace) xs
         listSplit = concatMap (wordsBy (`elem` " ,"))
 
         f (keyValues -> (k,vs)) = case k of
+            "if" -> parse vs
+            "else" -> parse vs
             "build-depends:" -> mempty{cabalPackages = map (trim . takeWhile (`notElem` "=><")) . splitOn "," $ unwords vs}
             "hs-source-dirs:" -> mempty{cabalSourceDirs=listSplit vs}
             "exposed-modules:" -> mempty{cabalExposedModules=listSplit vs}
diff --git a/src/Hi.hs b/src/Hi.hs
--- a/src/Hi.hs
+++ b/src/Hi.hs
@@ -128,7 +128,8 @@
         parsePackDep = intercalate "-" . takeWhile (any isAlpha) . wordsBy (== '-') . takeWhile (/= '@')
 
         -- "hlint-1.9.41-IPKy9tGF1918X9VRp9DMhp:HSE.All 8002" -> "HSE.All"
-        parseInterface = drop 1 . snd . breakOn ":" . fst . word1
+        -- "HSE.All 8002" -> "HSE.All"
+        parseInterface = takeWhileEnd (/= ':') . fst . word1
 
         -- "Apply.applyHintFile"
         -- "Language.Haskell.PPHsMode{Language.Haskell.PPHsMode caseIndent}
diff --git a/weeder.cabal b/weeder.cabal
--- a/weeder.cabal
+++ b/weeder.cabal
@@ -1,7 +1,7 @@
 cabal-version:      >= 1.18
 build-type:         Simple
 name:               weeder
-version:            0.1.7
+version:            0.1.8
 license:            BSD3
 license-file:       LICENSE
 category:           Development
@@ -52,3 +52,4 @@
         Warning
         CmdLine
         Str
+        Paths_weeder