From 9834ea90dd3bd9587f97235dda3c96e11444df94 Mon Sep 17 00:00:00 2001
From: Mirek Kratochvil <exa.exa@gmail.com>
Date: Fri, 21 Jul 2023 20:32:51 +0200
Subject: allow adding full paths to .../index.html files, fix minor extra
 stuff

---
 reploy.hs | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

(limited to 'reploy.hs')

diff --git a/reploy.hs b/reploy.hs
index 0c3a645..54bfa15 100644
--- a/reploy.hs
+++ b/reploy.hs
@@ -13,7 +13,6 @@
  - License for the specific language governing permissions and limitations
  - under the License.
  -}
-
 {-# LANGUAGE OverloadedStrings #-}
 
 -- | The main deployment script.
@@ -25,6 +24,7 @@ import Control.Monad.Trans.State.Lazy
 import qualified Data.Aeson as AE
 import qualified Data.Aeson.Key as K
 import qualified Data.Aeson.KeyMap as KM
+import Data.Bool (bool)
 import qualified Data.ByteString.Lazy as B
 import Data.Digest.Pure.SHA (sha256, showDigest)
 import Data.Foldable (traverse_)
@@ -161,6 +161,12 @@ checkTarget fp = do
 rootUrl :: FilePath -> Site FilePath
 rootUrl fp = (</> unAbsolute fp) <$> use urlBase
 
+-- | Like `rootUrl` but also appends @index.html@ for systems that don't have
+-- working directory indexes.
+rootPageUrl :: FilePath -> Site FilePath
+rootPageUrl fp =
+  bool id (</> "index.html") <$> use appendUrlIndex <*> rootUrl fp
+
 -- | Process a single link pointing out from a page.
 processLink :: FilePath -> FilePath -> Site String
 processLink base l =
@@ -168,7 +174,7 @@ processLink base l =
      "#"
     then pure l
     else if isAbsolute l
-           then rootUrl l
+           then rootPageUrl l
            else installFile (base </> l) >>= rootUrl
 
 -- | Get a mount point of the page into the correct location.
@@ -401,7 +407,7 @@ tagPath = joinPath
 
 -- | Make a link to the tag page
 tagLink :: [String] -> Site FilePath
-tagLink = rootUrl . ("tag" </>) . tagPath
+tagLink = rootPageUrl . ("tag" </>) . tagPath
 
 -- | Fold the hierarchical tag bits to a slashed path.
 listPath :: [String] -> FilePath
@@ -409,7 +415,7 @@ listPath = joinPath
 
 -- | Make a link to the tag page
 listLink :: [String] -> Site FilePath
-listLink = rootUrl . ("list" </>) . listPath
+listLink = rootPageUrl . ("list" </>) . listPath
 
 -- | Make metadata for printing out a single hierarchical tag (all levels clickable)
 makeHTagMeta :: ([String] -> Site FilePath) -> [String] -> Site Y.Value
@@ -425,7 +431,7 @@ makeHTagMeta lf tag = do
 -- | Make metadata for printing out a link to a page
 makePageLinkMeta :: FilePath -> Site Y.Value
 makePageLinkMeta mount = do
-  link <- rootUrl mount
+  link <- rootPageUrl mount
   meta <- use $ pages . to (M.! mount) . pageMeta
   pure $ Y.object [("href", fromString link), ("meta", meta)]
 
@@ -517,7 +523,7 @@ renderLists = use (ehtags . to M.keys) >>= traverse_ renderList
 -- | Transform one mounted PageInfo to the base search data
 mkSearchData :: FilePath -> PageInfo -> Site [Y.Value]
 mkSearchData mount pi = do
-  link <- rootUrl mount
+  link <- rootPageUrl mount
   text <- io . runIOorExplode $ writePlain plainWriteOpts (pi ^. pageDoc)
   let title = pi ^? pageMeta . key "title" . _String
   -- TODO: unify retrieval of tags
-- 
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